├── .gitattributes ├── .gitignore ├── LICENSE ├── README.md ├── cpbypass32_ms ├── Makefile ├── Tweak.mm ├── Tweak.x ├── control ├── cpbypass.plist └── layout │ └── usr │ └── bin │ └── sysent_patch ├── cpbypass64_ms ├── Makefile ├── Tweak.mm ├── Tweak.x ├── control └── cpbypass.plist └── kernel ├── README.md ├── mk32.sh ├── mk64.sh ├── patchfinder32 ├── patchfinder32.c └── patchfinder32.h ├── patchfinder64 └── .empty ├── payload ├── mk32.sh ├── payload32.h ├── stat_sysent32.c └── stat_sysent64.c ├── sysent_patch32.c ├── sysent_patch64.c └── tfp0.xml /.gitattributes: -------------------------------------------------------------------------------- 1 | # Auto detect text files and perform LF normalization 2 | * text=auto 3 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # CP-Bypass Public 2 | 3 | ****による脱獄検知を回避するTweak/Patch 4 | 5 | ## 動作環境 6 | - non-KPP/KTRR devices 7 | - KPP devices (iOS 10.0-10.3.3) 8 | 9 | ## 使い方 10 | ### kernel patch 11 | 32-bitの場合: インストール後、Terminalから`sysent_patch -p`を実行してカーネルにパッチを適用。 12 | 64-bit (KPP devices)の場合: KPP bypassを行ってCPBypassのカーネルパッチを追加した脱獄を適用。 13 | 14 | ### mobile substrate 15 | 共通: `/Library/MobileSubstrate/DynamicLibraries/cpbypass.plist`に回避を実行したいアプリのバンドルIDを追加して起動。 16 | 17 | ## 対応状況 18 | ### デバイス 19 | 32-bitプロセッサ搭載のiOS 10デバイスであればパッチを実行することで動きます。 20 | 64-bitプロセッサ搭載デバイスの場合、iOS 8.4.1以下、またはiOS 10.0-10.3.3のKPPデバイスで動作確認済です。ただし、iOS 10.0-10.3.3ではカーネルパッチを行う際にKPP(/KTRR) Bypassが必要となります。 21 | 22 | ### アプリ対応状況一覧 23 | 24 | 25 | ### 対応アプリの追加 26 | アプリによって確認しているパスに差異があるため、一部回避できないものがあります。ほとんどの場合はsyscallでの検知以外が入っているため、こちらの回避も必要となります。 27 | 32-bitデバイスを使用できるアプリであれば、カーネルにパッチすることでIOLogから検知パスの情報を得ることができます。 28 | ****の検知手法が現状のまま変わらなければsyscallによる検知の回避は簡単に対応可能です。 29 | 64-bitデバイスでは現バージョンではログの出力がうまくいっていないようです。 30 | 31 | ## Credits 32 | [cp-c](https://github.com/akusio/cp-c) by akusio 33 | 34 | 2020/12/12 made by dora2ios 35 | 2020/12/16 update: for 64bit 36 | 2021/02/28 public release (under GPLv3) 37 | -------------------------------------------------------------------------------- /cpbypass32_ms/Makefile: -------------------------------------------------------------------------------- 1 | include $(THEOS)/makefiles/common.mk 2 | ARCHS = armv7 3 | TWEAK_NAME = cpbypass 4 | 5 | cpbypass_FILES = Tweak.x 6 | cpbypass_CFLAGS = -fobjc-arc 7 | cpbypass_FRAMEWORKS = UIKit 8 | include $(THEOS_MAKE_PATH)/tweak.mk 9 | 10 | after-install:: 11 | install.exec "killall -9 SpringBoard" -------------------------------------------------------------------------------- /cpbypass32_ms/Tweak.mm: -------------------------------------------------------------------------------- 1 | /* Tweak.mm: Bypass file detection with MS hooking 2 | * 2020/12/12 3 | * made by dora2ios 4 | */ 5 | 6 | #import 7 | #import 8 | #import 9 | 10 | #import 11 | #import 12 | #import 13 | #import 14 | #import 15 | #import 16 | #include 17 | #include 18 | #import 19 | #import 20 | #import 21 | #include 22 | #include 23 | #include 24 | 25 | int checkfiles(const char *path){ 26 | 27 | /* **f**u****c--*k* v3.0.0 */ 28 | 29 | if (strcasecmp(path, "/User") == 0 || 30 | strcasecmp(path, "/boot") == 0 || 31 | strcasecmp(path, "/lib") == 0 || 32 | strcasecmp(path, "/mnt") == 0 || 33 | strcasecmp(path, "/.cydia_no_stash") == 0 || 34 | strcasecmp(path, "/bin/bash") == 0 || 35 | strcasecmp(path, "/bin/sh") == 0 || 36 | strcasecmp(path, "/Applications/Cydia.app") == 0 || 37 | strcasecmp(path, "/Library/MobileSubstrate") == 0 || 38 | strcasecmp(path, "/Library/MobileSubstrate/DynamicLibraries") == 0 || 39 | strcasecmp(path, "/Library/MobileSubstrate/MobileSubstrate.dylib") == 0 || 40 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework") == 0 || 41 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework/Libraries") == 0 || 42 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework/Libraries/SubstrateLoader.dylib") == 0 || 43 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework/CydiaSubstrate") == 0 || 44 | strcasecmp(path, "/private/var/lib") == 0 || 45 | strcasecmp(path, "/var/lib") == 0 || 46 | strcasecmp(path, "/private/var/lib/apt") == 0 || 47 | strcasecmp(path, "/var/lib/apt") == 0 || 48 | strcasecmp(path, "/private/var/db/stash") == 0 || 49 | strcasecmp(path, "/var/db/stash") == 0 || 50 | strcasecmp(path, "/private/var/stash") == 0 || 51 | strcasecmp(path, "/var/stash") == 0 || 52 | strcasecmp(path, "/private/var/mobile/Library/Cydia") == 0 || 53 | strcasecmp(path, "/var/mobile/Library/Cydia") == 0 || 54 | strcasecmp(path, "/private/var/mobile/Library/Caches/com.saurik.Cydia") == 0 || 55 | strcasecmp(path, "/var/mobile/Library/Caches/com.saurik.Cydia") == 0 || 56 | strcasecmp(path, "/private/var/mobile/Library/Preferences/com.saurik.Cydia.plist") == 0 || 57 | strcasecmp(path, "/var/mobile/Library/Preferences/com.saurik.Cydia.plist") == 0 || 58 | strcasecmp(path, "/private/etc/ssh") == 0 || 59 | strcasecmp(path, "/etc/ssh") == 0 || 60 | strcasecmp(path, "/private/etc/apt") == 0 || 61 | strcasecmp(path, "/etc/apt") == 0 || 62 | strcasecmp(path, "/usr/bin/ssh") == 0 || 63 | strcasecmp(path, "/usr/sbin/sshd") == 0 || 64 | strcasecmp(path, "/usr/libexec/cydia") == 0){ 65 | return 0; 66 | } 67 | return -1; 68 | } 69 | 70 | %group hookf 71 | 72 | /* ---- Bypass by akusio's cp-c https://github.com/akusio/cp-c/blob/master/Tweak.xm#L29 ---- */ 73 | struct dirent* readdir(DIR* dir); 74 | %hookf(struct dirent*,readdir,DIR* dir) 75 | { 76 | 77 | struct dirent* dire; 78 | 79 | while((dire = %orig(dir)) != NULL) 80 | { 81 | if (strcasecmp(dire->d_name,"User") == 0) 82 | { 83 | strcpy(dire->d_name,"System"); 84 | } 85 | if (strcasecmp(dire->d_name,"boot") == 0) 86 | { 87 | strcpy(dire->d_name,"System"); 88 | } 89 | if (strcasecmp(dire->d_name,"lib") == 0) 90 | { 91 | strcpy(dire->d_name,"System"); 92 | } 93 | if (strcasecmp(dire->d_name,"mnt") == 0) 94 | { 95 | strcpy(dire->d_name,"System"); 96 | } 97 | 98 | return dire; 99 | } 100 | return %orig; 101 | 102 | } 103 | /* ---- end ---- */ 104 | 105 | %hookf(FILE *, fopen, const char *path, const char *mode) { 106 | if (checkfiles(path) == 0){ 107 | errno = ENOENT; 108 | return NULL; 109 | } 110 | 111 | return %orig; 112 | } 113 | 114 | %hookf(int, stat, const char *path, struct stat *buf) { 115 | if (checkfiles(path) == 0){ 116 | errno = ENOENT; 117 | return -1; 118 | } 119 | 120 | return %orig; 121 | } 122 | 123 | %hookf(int, lstat, const char *path, struct stat *buf) { 124 | if (checkfiles(path) == 0){ 125 | errno = ENOENT; 126 | return -1; 127 | } 128 | 129 | return %orig; 130 | } 131 | 132 | %hookf(int, getattrlist, const char* path, struct attrlist * attrList, void * attrBuf, size_t attrBufSize, unsigned long options){ 133 | if (checkfiles(path) == 0){ 134 | errno = ENOENT; 135 | return -1; 136 | } 137 | 138 | return %orig; 139 | } 140 | 141 | %hookf(DIR *,__opendir2,const char *path, int buf){ 142 | if (checkfiles(path) == 0){ 143 | errno = ENOENT; 144 | return NULL; 145 | } 146 | 147 | return %orig; 148 | } 149 | %end 150 | 151 | static int (*orig_open)(const char *path, int oflag, ...); 152 | static int hook_open(const char *path, int oflag, ...) { // not need ? 153 | va_list args; 154 | int fd = 0; 155 | 156 | if (checkfiles(path) == 0){ 157 | errno = ENOENT; 158 | return -1; 159 | } 160 | 161 | if ((oflag & O_CREAT) == O_CREAT){ 162 | mode_t mode; 163 | 164 | va_start(args, oflag); 165 | mode = (mode_t) va_arg(args, int); 166 | va_end(args); 167 | 168 | fd = orig_open(path, oflag, mode); 169 | } else { 170 | fd = orig_open(path, oflag); 171 | } 172 | return fd; 173 | } 174 | 175 | %ctor{ 176 | %init(hookf); 177 | MSHookFunction((void *) open, (void *) hook_open, (void **) &orig_open); 178 | } 179 | -------------------------------------------------------------------------------- /cpbypass32_ms/Tweak.x: -------------------------------------------------------------------------------- 1 | Tweak.mm -------------------------------------------------------------------------------- /cpbypass32_ms/control: -------------------------------------------------------------------------------- 1 | Package: jp.dora2ios.cpbypass 2 | Name: CP-Bypass 3 | Depends: mobilesubstrate, firmware(>=9.1) 4 | Version: 1.4.1 5 | Architecture: iphoneos-arm 6 | Description: JB detection bypass for CrackProof. 7 | Maintainer: dora2ios 8 | Author: dora2ios 9 | Section: System 10 | -------------------------------------------------------------------------------- /cpbypass32_ms/cpbypass.plist: -------------------------------------------------------------------------------- 1 | { 2 | Filter = { 3 | Bundles = (); 4 | }; 5 | } -------------------------------------------------------------------------------- /cpbypass32_ms/layout/usr/bin/sysent_patch: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dora2ios/CPBypass-public/935df36bf9b8239aa23509c95b8dbe8dee9283f1/cpbypass32_ms/layout/usr/bin/sysent_patch -------------------------------------------------------------------------------- /cpbypass64_ms/Makefile: -------------------------------------------------------------------------------- 1 | include $(THEOS)/makefiles/common.mk 2 | ARCHS = arm64 3 | TWEAK_NAME = cpbypass 4 | 5 | cpbypass_FILES = Tweak.x 6 | cpbypass_CFLAGS = -fobjc-arc 7 | cpbypass_FRAMEWORKS = UIKit 8 | include $(THEOS_MAKE_PATH)/tweak.mk 9 | 10 | after-install:: 11 | install.exec "killall -9 SpringBoard" -------------------------------------------------------------------------------- /cpbypass64_ms/Tweak.mm: -------------------------------------------------------------------------------- 1 | /* Tweak.mm: Bypass file detection with MS hooking 2 | * 2020/12/12 3 | * made by dora2ios 4 | */ 5 | 6 | #import 7 | #import 8 | #import 9 | 10 | #import 11 | #import 12 | #import 13 | #import 14 | #import 15 | #import 16 | #include 17 | #include 18 | #import 19 | #import 20 | #import 21 | #include 22 | #include 23 | #include 24 | 25 | int checkfiles(const char *path){ 26 | 27 | /* ***f****u**c***k* v3.0.0 */ 28 | 29 | if (strcasecmp(path, "/User") == 0 || 30 | strcasecmp(path, "/boot") == 0 || 31 | strcasecmp(path, "/lib") == 0 || 32 | strcasecmp(path, "/mnt") == 0 || 33 | strcasecmp(path, "/.cydia_no_stash") == 0 || 34 | strcasecmp(path, "/bin/bash") == 0 || 35 | strcasecmp(path, "/bin/sh") == 0 || 36 | strcasecmp(path, "/Applications/Cydia.app") == 0 || 37 | strcasecmp(path, "/Library/MobileSubstrate") == 0 || 38 | strcasecmp(path, "/Library/MobileSubstrate/DynamicLibraries") == 0 || 39 | strcasecmp(path, "/Library/MobileSubstrate/MobileSubstrate.dylib") == 0 || 40 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework") == 0 || 41 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework/Libraries") == 0 || 42 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework/Libraries/SubstrateLoader.dylib") == 0 || 43 | strcasecmp(path, "/Library/Frameworks/CydiaSubstrate.framework/CydiaSubstrate") == 0 || 44 | strcasecmp(path, "/private/var/lib") == 0 || 45 | strcasecmp(path, "/var/lib") == 0 || 46 | strcasecmp(path, "/private/var/lib/apt") == 0 || 47 | strcasecmp(path, "/var/lib/apt") == 0 || 48 | strcasecmp(path, "/private/var/db/stash") == 0 || 49 | strcasecmp(path, "/var/db/stash") == 0 || 50 | strcasecmp(path, "/private/var/stash") == 0 || 51 | strcasecmp(path, "/var/stash") == 0 || 52 | strcasecmp(path, "/private/var/mobile/Library/Cydia") == 0 || 53 | strcasecmp(path, "/var/mobile/Library/Cydia") == 0 || 54 | strcasecmp(path, "/private/var/mobile/Library/Caches/com.saurik.Cydia") == 0 || 55 | strcasecmp(path, "/var/mobile/Library/Caches/com.saurik.Cydia") == 0 || 56 | strcasecmp(path, "/private/var/mobile/Library/Preferences/com.saurik.Cydia.plist") == 0 || 57 | strcasecmp(path, "/var/mobile/Library/Preferences/com.saurik.Cydia.plist") == 0 || 58 | strcasecmp(path, "/private/etc/ssh") == 0 || 59 | strcasecmp(path, "/etc/ssh") == 0 || 60 | strcasecmp(path, "/private/etc/apt") == 0 || 61 | strcasecmp(path, "/etc/apt") == 0 || 62 | strcasecmp(path, "/usr/bin/ssh") == 0 || 63 | strcasecmp(path, "/usr/sbin/sshd") == 0 || 64 | strcasecmp(path, "/usr/libexec/cydia") == 0){ 65 | return 0; 66 | } 67 | return -1; 68 | } 69 | 70 | %group hookf 71 | 72 | /* ---- Bypass by akusio's cp-c https://github.com/akusio/cp-c/blob/master/Tweak.xm#L29 ---- */ 73 | struct dirent* readdir(DIR* dir); 74 | %hookf(struct dirent*,readdir,DIR* dir) 75 | { 76 | 77 | struct dirent* dire; 78 | 79 | while((dire = %orig(dir)) != NULL) 80 | { 81 | if (strcasecmp(dire->d_name,"User") == 0) 82 | { 83 | strcpy(dire->d_name,"System"); 84 | } 85 | if (strcasecmp(dire->d_name,"boot") == 0) 86 | { 87 | strcpy(dire->d_name,"System"); 88 | } 89 | if (strcasecmp(dire->d_name,"lib") == 0) 90 | { 91 | strcpy(dire->d_name,"System"); 92 | } 93 | if (strcasecmp(dire->d_name,"mnt") == 0) 94 | { 95 | strcpy(dire->d_name,"System"); 96 | } 97 | 98 | return dire; 99 | } 100 | return %orig; 101 | 102 | } 103 | /* ---- end ---- */ 104 | 105 | %hookf(FILE *, fopen, const char *path, const char *mode) { 106 | if (checkfiles(path) == 0){ 107 | errno = ENOENT; 108 | return NULL; 109 | } 110 | 111 | return %orig; 112 | } 113 | 114 | %hookf(int, stat, const char *path, struct stat *buf) { 115 | if (checkfiles(path) == 0){ 116 | errno = ENOENT; 117 | return -1; 118 | } 119 | 120 | return %orig; 121 | } 122 | 123 | %hookf(int, lstat, const char *path, struct stat *buf) { 124 | if (checkfiles(path) == 0){ 125 | errno = ENOENT; 126 | return -1; 127 | } 128 | 129 | return %orig; 130 | } 131 | 132 | 133 | %hookf(int, getattrlist, const char* path, struct attrlist * attrList, void * attrBuf, size_t attrBufSize, unsigned long options){ 134 | if (checkfiles(path) == 0){ 135 | errno = ENOENT; 136 | return -1; 137 | } 138 | 139 | return %orig; 140 | } 141 | 142 | %hookf(DIR *,__opendir2,const char *path, int buf){ 143 | if (checkfiles(path) == 0){ 144 | errno = ENOENT; 145 | return NULL; 146 | } 147 | 148 | return %orig; 149 | } 150 | %end 151 | 152 | static int (*orig_open)(const char *path, int oflag, ...); 153 | static int hook_open(const char *path, int oflag, ...) { // not need ? 154 | va_list args; 155 | int fd = 0; 156 | 157 | if (checkfiles(path) == 0){ 158 | errno = ENOENT; 159 | return -1; 160 | } 161 | 162 | if ((oflag & O_CREAT) == O_CREAT){ 163 | mode_t mode; 164 | 165 | va_start(args, oflag); 166 | mode = (mode_t) va_arg(args, int); 167 | va_end(args); 168 | 169 | fd = orig_open(path, oflag, mode); 170 | } else { 171 | fd = orig_open(path, oflag); 172 | } 173 | return fd; 174 | } 175 | 176 | %ctor{ 177 | %init(hookf); 178 | MSHookFunction((void *) open, (void *) hook_open, (void **) &orig_open); 179 | } 180 | -------------------------------------------------------------------------------- /cpbypass64_ms/Tweak.x: -------------------------------------------------------------------------------- 1 | Tweak.mm -------------------------------------------------------------------------------- /cpbypass64_ms/control: -------------------------------------------------------------------------------- 1 | Package: jp.dora2ios.cpbypass64 2 | Name: CP-Bypass64 3 | Depends: mobilesubstrate 4 | Version: 0.0.2 5 | Architecture: iphoneos-arm 6 | Description: JB detection bypass for CrackProof. 7 | Maintainer: dora2ios 8 | Author: dora2ios 9 | Section: System 10 | -------------------------------------------------------------------------------- /cpbypass64_ms/cpbypass.plist: -------------------------------------------------------------------------------- 1 | { 2 | Filter = { 3 | Bundles = (); 4 | }; 5 | } -------------------------------------------------------------------------------- /kernel/README.md: -------------------------------------------------------------------------------- 1 | # CP-Bypass - kernel 2 | 3 | syscallによる脱獄検知を回避するKernel Patch 4 | 注意: ほとんどのアプリでは通常のファイル検知も行なっているようなので、こちらはMobileSubstrateによるHookingで対応する必要があります。 5 | 6 | ## 動作環境 7 | - non-KPP/KTRR devices 8 | - KPP devices (iOS 10.0-10.3.3) 9 | 10 | ## 対応状況 11 | ### armv7 12 | - sysent_patch32.cをビルドして脱獄環境でカーネルパッチすることで動作するようになります。 13 | - コンソールからkernelプロセスを確認することで_stat()が呼ばれた際のパスの確認が行えます。 14 | 32-bitのiOS 7.1-9.0.2 (8.4.1を除く)で脱獄している場合、脱獄ツールによるsb_evaluate()をHookするpayloadと位置が競合する可能性があります。パッチ前にpayloadの位置を確認した上で、被るようならアドレスをズラしてください。 15 | 16 | 17 | ### arm64(KPP devices) 18 | sysent_patch64.cは不完全なコードです。このコードはyalu102のKPP bypassを利用する脱獄に組み込むことで利用できます。 19 | 64bit環境では現在IOLogによるログ出力が機能していません。 20 | 21 | -------------------------------------------------------------------------------- /kernel/mk32.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | xcrun -sdk iphoneos clang -arch armv7 sysent_patch32.c patchfinder32/patchfinder32.c -o sysent_patch32; ldid -Stfp0.xml sysent_patch32; mv -v sysent_patch32 sysent_patch 3 | -------------------------------------------------------------------------------- /kernel/mk64.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | xcrun -sdk iphoneos clang -arch arm64 -o sysent_patch64 sysent_patch64.c patchfinder64/patchfinder64.c; ldid -Stfp0.xml sysent_patch64 3 | -------------------------------------------------------------------------------- /kernel/patchfinder32/patchfinder32.c: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | 4 | #include 5 | #include 6 | 7 | #include "patchfinder32.h" 8 | 9 | /* --- planetbeing patchfinder --- */ 10 | static uint32_t bit_range(uint32_t x, int start, int end) { 11 | x = (x << (31 - start)) >> (31 - start); 12 | x = (x >> end); 13 | return x; 14 | } 15 | 16 | static uint32_t ror(uint32_t x, int places) { 17 | return (x >> places) | (x << (32 - places)); 18 | } 19 | 20 | static int thumb_expand_imm_c(uint16_t imm12) { 21 | if (bit_range(imm12, 11, 10) == 0) { 22 | switch (bit_range(imm12, 9, 8)) { 23 | case 0: 24 | return bit_range(imm12, 7, 0); 25 | case 1: 26 | return (bit_range(imm12, 7, 0) << 16) | bit_range(imm12, 7, 0); 27 | case 2: 28 | return (bit_range(imm12, 7, 0) << 24) | (bit_range(imm12, 7, 0) << 8); 29 | case 3: 30 | return (bit_range(imm12, 7, 0) << 24) | (bit_range(imm12, 7, 0) << 16) | (bit_range(imm12, 7, 0) << 8) | bit_range(imm12, 7, 0); 31 | default: 32 | return 0; 33 | } 34 | } else { 35 | uint32_t unrotated_value = 0x80 | bit_range(imm12, 6, 0); 36 | return ror(unrotated_value, bit_range(imm12, 11, 7)); 37 | } 38 | } 39 | 40 | static int insn_is_32bit(uint16_t *i) { 41 | return (*i & 0xe000) == 0xe000 && (*i & 0x1800) != 0x0; 42 | } 43 | 44 | static int insn_is_bl(uint16_t *i) { 45 | if ((*i & 0xf800) == 0xf000 && (*(i + 1) & 0xd000) == 0xd000) 46 | return 1; 47 | else if ((*i & 0xf800) == 0xf000 && (*(i + 1) & 0xd001) == 0xc000) 48 | return 1; 49 | else 50 | return 0; 51 | } 52 | 53 | static uint32_t insn_bl_imm32(uint16_t *i) { 54 | uint16_t insn0 = *i; 55 | uint16_t insn1 = *(i + 1); 56 | uint32_t s = (insn0 >> 10) & 1; 57 | uint32_t j1 = (insn1 >> 13) & 1; 58 | uint32_t j2 = (insn1 >> 11) & 1; 59 | uint32_t i1 = ~(j1 ^ s) & 1; 60 | uint32_t i2 = ~(j2 ^ s) & 1; 61 | uint32_t imm10 = insn0 & 0x3ff; 62 | uint32_t imm11 = insn1 & 0x7ff; 63 | uint32_t imm32 = (imm11 << 1) | (imm10 << 12) | (i2 << 22) | (i1 << 23) | (s ? 0xff000000 : 0); 64 | return imm32; 65 | } 66 | 67 | static int insn_is_b_conditional(uint16_t *i) { 68 | return (*i & 0xF000) == 0xD000 && (*i & 0x0F00) != 0x0F00 && (*i & 0x0F00) != 0xE; 69 | } 70 | 71 | static int insn_is_b_unconditional(uint16_t *i) { 72 | if ((*i & 0xF800) == 0xE000) 73 | return 1; 74 | else if ((*i & 0xF800) == 0xF000 && (*(i + 1) & 0xD000) == 9) 75 | return 1; 76 | else 77 | return 0; 78 | } 79 | 80 | static int insn_is_ldr_literal(uint16_t *i) { 81 | return (*i & 0xF800) == 0x4800 || (*i & 0xFF7F) == 0xF85F; 82 | } 83 | 84 | static int insn_ldr_literal_rt(uint16_t *i) { 85 | if ((*i & 0xF800) == 0x4800) 86 | return (*i >> 8) & 7; 87 | else if ((*i & 0xFF7F) == 0xF85F) 88 | return (*(i + 1) >> 12) & 0xF; 89 | else 90 | return 0; 91 | } 92 | 93 | static int insn_ldr_literal_imm(uint16_t *i) { 94 | if ((*i & 0xF800) == 0x4800) 95 | return (*i & 0xF) << 2; 96 | else if ((*i & 0xFF7F) == 0xF85F) 97 | return (*(i + 1) & 0xFFF) * (((*i & 0x0800) == 0x0800) ? 1 : -1); 98 | else 99 | return 0; 100 | } 101 | 102 | static int insn_ldr_imm_rt(uint16_t *i) { 103 | return (*i & 7); 104 | } 105 | 106 | static int insn_ldr_imm_rn(uint16_t *i) { 107 | return ((*i >> 3) & 7); 108 | } 109 | 110 | static int insn_ldr_imm_imm(uint16_t *i) { 111 | return ((*i >> 6) & 0x1F); 112 | } 113 | 114 | static int insn_is_add_reg(uint16_t *i) { 115 | if ((*i & 0xFE00) == 0x1800) 116 | return 1; 117 | else if ((*i & 0xFF00) == 0x4400) 118 | return 1; 119 | else if ((*i & 0xFFE0) == 0xEB00) 120 | return 1; 121 | else 122 | return 0; 123 | } 124 | 125 | static int insn_add_reg_rd(uint16_t *i) { 126 | if ((*i & 0xFE00) == 0x1800) 127 | return (*i & 7); 128 | else if ((*i & 0xFF00) == 0x4400) 129 | return (*i & 7) | ((*i & 0x80) >> 4); 130 | else if ((*i & 0xFFE0) == 0xEB00) 131 | return (*(i + 1) >> 8) & 0xF; 132 | else 133 | return 0; 134 | } 135 | 136 | static int insn_add_reg_rn(uint16_t *i) { 137 | if ((*i & 0xFE00) == 0x1800) 138 | return ((*i >> 3) & 7); 139 | else if ((*i & 0xFF00) == 0x4400) 140 | return (*i & 7) | ((*i & 0x80) >> 4); 141 | else if ((*i & 0xFFE0) == 0xEB00) 142 | return (*i & 0xF); 143 | else 144 | return 0; 145 | } 146 | 147 | static int insn_add_reg_rm(uint16_t *i) { 148 | if ((*i & 0xFE00) == 0x1800) 149 | return (*i >> 6) & 7; 150 | else if ((*i & 0xFF00) == 0x4400) 151 | return (*i >> 3) & 0xF; 152 | else if ((*i & 0xFFE0) == 0xEB00) 153 | return *(i + 1) & 0xF; 154 | else 155 | return 0; 156 | } 157 | 158 | static int insn_is_movt(uint16_t *i) { 159 | return (*i & 0xFBF0) == 0xF2C0 && (*(i + 1) & 0x8000) == 0; 160 | } 161 | 162 | static int insn_movt_rd(uint16_t *i) { 163 | return (*(i + 1) >> 8) & 0xF; 164 | } 165 | 166 | static int insn_movt_imm(uint16_t *i) { 167 | return ((*i & 0xF) << 12) | ((*i & 0x0400) << 1) | ((*(i + 1) & 0x7000) >> 4) | (*(i + 1) & 0xFF); 168 | } 169 | 170 | static int insn_is_mov_imm(uint16_t *i) { 171 | if ((*i & 0xF800) == 0x2000) 172 | return 1; 173 | else if ((*i & 0xFBEF) == 0xF04F && (*(i + 1) & 0x8000) == 0) 174 | return 1; 175 | else if ((*i & 0xFBF0) == 0xF240 && (*(i + 1) & 0x8000) == 0) 176 | return 1; 177 | else 178 | return 0; 179 | } 180 | 181 | static int insn_mov_imm_rd(uint16_t *i) { 182 | if ((*i & 0xF800) == 0x2000) 183 | return (*i >> 8) & 7; 184 | else if ((*i & 0xFBEF) == 0xF04F && (*(i + 1) & 0x8000) == 0) 185 | return (*(i + 1) >> 8) & 0xF; 186 | else if ((*i & 0xFBF0) == 0xF240 && (*(i + 1) & 0x8000) == 0) 187 | return (*(i + 1) >> 8) & 0xF; 188 | else 189 | return 0; 190 | } 191 | 192 | static int insn_mov_imm_imm(uint16_t *i) { 193 | if ((*i & 0xF800) == 0x2000) 194 | return *i & 0xF; 195 | else if ((*i & 0xFBEF) == 0xF04F && (*(i + 1) & 0x8000) == 0) 196 | return thumb_expand_imm_c(((*i & 0x0400) << 1) | ((*(i + 1) & 0x7000) >> 4) | (*(i + 1) & 0xFF)); 197 | else if ((*i & 0xFBF0) == 0xF240 && (*(i + 1) & 0x8000) == 0) 198 | return ((*i & 0xF) << 12) | ((*i & 0x0400) << 1) | ((*(i + 1) & 0x7000) >> 4) | (*(i + 1) & 0xFF); 199 | else 200 | return 0; 201 | } 202 | 203 | // Given an instruction, search backwards until an instruction is found matching the specified criterion. 204 | static uint16_t *find_last_insn_matching(uint8_t *kdata, size_t ksize, uint16_t *current_instruction, int (*match_func) (uint16_t *)) { 205 | while ((uintptr_t) current_instruction > (uintptr_t) kdata) { 206 | if (insn_is_32bit(current_instruction - 2) && !insn_is_32bit(current_instruction - 3)) { 207 | current_instruction -= 2; 208 | } else { 209 | --current_instruction; 210 | } 211 | if (match_func(current_instruction)) { 212 | return current_instruction; 213 | } 214 | } 215 | return NULL; 216 | } 217 | 218 | // Given an instruction and a register, find the PC-relative address that was stored inside the register by the time the instruction was reached. 219 | static uint32_t find_pc_rel_value(uint8_t *kdata, size_t ksize, uint16_t *insn, int reg) { 220 | // Find the last instruction that completely wiped out this register 221 | int found = 0; 222 | uint16_t *current_instruction = insn; 223 | while ((uintptr_t) current_instruction > (uintptr_t) kdata) { 224 | if (insn_is_32bit(current_instruction - 2)) { 225 | current_instruction -= 2; 226 | } else { 227 | --current_instruction; 228 | } 229 | 230 | if (insn_is_mov_imm(current_instruction) && insn_mov_imm_rd(current_instruction) == reg) { 231 | found = 1; 232 | break; 233 | } 234 | 235 | if (insn_is_ldr_literal(current_instruction) && insn_ldr_literal_rt(current_instruction) == reg) { 236 | found = 1; 237 | break; 238 | } 239 | } 240 | 241 | if (!found) 242 | return 0; 243 | 244 | // Step through instructions, executing them as a virtual machine, only caring about instructions that affect the target register and are commonly used for PC-relative addressing. 245 | uint32_t value = 0; 246 | while ((uintptr_t) current_instruction < (uintptr_t) insn) { 247 | if (insn_is_mov_imm(current_instruction) && insn_mov_imm_rd(current_instruction) == reg) { 248 | value = insn_mov_imm_imm(current_instruction); 249 | } else if (insn_is_ldr_literal(current_instruction) && insn_ldr_literal_rt(current_instruction) == reg) { 250 | value = *(uint32_t *) (kdata + (((((uintptr_t) current_instruction - (uintptr_t) kdata) + 4) & 0xFFFFFFFC) + insn_ldr_literal_imm(current_instruction))); 251 | } else if (insn_is_movt(current_instruction) && insn_movt_rd(current_instruction) == reg) { 252 | value |= insn_movt_imm(current_instruction) << 16; 253 | } else if (insn_is_add_reg(current_instruction) && insn_add_reg_rd(current_instruction) == reg) { 254 | if (insn_add_reg_rm(current_instruction) != 15 || insn_add_reg_rn(current_instruction) != reg) { 255 | // Can't handle this kind of operation! 256 | return 0; 257 | } 258 | value += ((uintptr_t) current_instruction - (uintptr_t) kdata) + 4; 259 | } 260 | current_instruction += insn_is_32bit(current_instruction) ? 2 : 1; 261 | } 262 | return value; 263 | } 264 | 265 | // Find PC-relative references to a certain address (relative to kdata). This is basically a virtual machine that only cares about instructions used in PC-relative addressing, so no branches, etc. 266 | static uint16_t *find_literal_ref(uint8_t *kdata, size_t ksize, uint16_t *insn, uint32_t address) { 267 | uint16_t *current_instruction = insn; 268 | uint32_t value[16]; 269 | memset(value, 0, sizeof(value)); 270 | 271 | while ((uintptr_t) current_instruction < (uintptr_t) (kdata + ksize)) { 272 | if (insn_is_mov_imm(current_instruction)) { 273 | value[insn_mov_imm_rd(current_instruction)] = insn_mov_imm_imm(current_instruction); 274 | } else if (insn_is_ldr_literal(current_instruction)) { 275 | uintptr_t literal_address = (uintptr_t) kdata + ((((uintptr_t) current_instruction - (uintptr_t) kdata) + 4) & 0xFFFFFFFC) + insn_ldr_literal_imm(current_instruction); 276 | if (literal_address >= (uintptr_t) kdata && (literal_address + 4) <= ((uintptr_t) kdata + ksize)) { 277 | value[insn_ldr_literal_rt(current_instruction)] = *(uint32_t *) (literal_address); 278 | } 279 | } else if (insn_is_movt(current_instruction)) { 280 | value[insn_movt_rd(current_instruction)] |= insn_movt_imm(current_instruction) << 16; 281 | } else if (insn_is_add_reg(current_instruction)) { 282 | int reg = insn_add_reg_rd(current_instruction); 283 | if (insn_add_reg_rm(current_instruction) == 15 && insn_add_reg_rn(current_instruction) == reg) { 284 | value[reg] += ((uintptr_t) current_instruction - (uintptr_t) kdata) + 4; 285 | if (value[reg] == address) { 286 | return current_instruction; 287 | } 288 | } 289 | } 290 | current_instruction += insn_is_32bit(current_instruction) ? 2 : 1; 291 | } 292 | return NULL; 293 | } 294 | 295 | static int find_macho_section(struct mach_header *hdr, size_t size, const char *segname, const char *sectname, uint32_t *ret_addr, uint32_t *ret_size) { 296 | /* Doesn't do bounds checking for size and other values */ 297 | if (hdr->magic == MH_MAGIC) { 298 | struct load_command *cmd = (struct load_command *)(hdr + 1); 299 | for (int i = 0; i < hdr->ncmds; i++) { 300 | if (cmd->cmd == LC_SEGMENT) { 301 | struct segment_command *seg = (struct segment_command *)cmd; 302 | if (!strncmp(seg->segname, segname, 16)) { 303 | for (uint32_t j = 0; j < seg->nsects; j++) { 304 | struct section *sect = ((struct section *)(seg + 1)) + j; 305 | if (!strncmp(sect->sectname, sectname, 16)) { 306 | *ret_addr = sect->addr; 307 | *ret_size = sect->size; 308 | return 0; 309 | } 310 | } 311 | } 312 | } 313 | cmd = (struct load_command *)(((uint8_t *)cmd) + cmd->cmdsize); 314 | } 315 | } 316 | return 1; 317 | } 318 | 319 | /* Buggy, but re-implemented because some old versions of iOS don't have memmem */ 320 | static void * buggy_memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen) { 321 | if (haystack == NULL || haystacklen == 0 || needle == NULL || needlelen == 0) { 322 | printf("ERROR: Invalid arguments for buggy_memmem.\n"); 323 | return NULL; 324 | } 325 | for (size_t i = 0; i < haystacklen; i++) { 326 | if (*(uint8_t *)(haystack + i) == *(uint8_t *)needle && i + needlelen <= haystacklen && 0 == memcmp(((uint8_t *)haystack) + i, needle, needlelen)) { 327 | return (void *)(((uint8_t *)haystack) + i); 328 | } 329 | } 330 | return NULL; 331 | } 332 | 333 | static uint32_t find_kernel_pmap_pre_iOS_6(uint8_t *pmap_map_bd, uint32_t kernel_base, uint8_t *kdata, size_t ksize) { 334 | /* Find xref to string "pmap_map_bd" (that function also references kernel_pmap) */ 335 | uint32_t xref = 0; 336 | for (size_t i = 0; i < ksize; i += 4) 337 | if (*(uint32_t *)(kdata + i) == (uint32_t)(kernel_base + pmap_map_bd - kdata)) { 338 | xref = i; 339 | break; 340 | } 341 | if (0 == xref) { 342 | printf("ERROR: Failed to find xref to string \"pmap_map_bd\".\n"); 343 | return -1; 344 | } 345 | 346 | /* Find beginning of next function */ 347 | uint32_t next_func_start = 0; 348 | for (int i = 0; i < 128; i += 2) { 349 | if (*(uint16_t *)(kdata + xref + i) == 0xB5F0) { 350 | /* Align to 4-byte boundary */ 351 | next_func_start = (xref + i) & ~3; 352 | break; 353 | } 354 | } 355 | if (0 == next_func_start) { 356 | printf("ERROR: Failed to find next function within 128 bytes.\n"); 357 | return -1; 358 | } 359 | 360 | /* Find end of this function */ 361 | uint32_t this_func_end = 0; 362 | for (int i = 0; i < 64; i += 2) { 363 | if (*(uint16_t *)(kdata + xref - i) == 0xBDF0) { 364 | /* Align to 4-byte boundary */ 365 | this_func_end = (xref - i + 4) & ~3; 366 | break; 367 | } 368 | } 369 | if (0 == this_func_end) { 370 | printf("ERROR: Failed to find end of this function within 64 bytes.\n"); 371 | return -1; 372 | } 373 | 374 | uint32_t vm_addr = 0, vm_size = 0; 375 | /* Find location of __DATA __data section */ 376 | if (0 != find_macho_section((struct mach_header *)kdata, ksize, SEG_DATA, SECT_DATA, &vm_addr, &vm_size)) { 377 | printf("ERROR: Failed to find __DATA __data in Mach-O header.\n"); 378 | return -1; 379 | } 380 | 381 | uint32_t pmap = 0; 382 | for (uint32_t *search = (uint32_t *)(kdata + this_func_end); search < (uint32_t *)(kdata + next_func_start); search += 1) { 383 | if (vm_addr <= *search && *search < vm_addr + vm_size) { 384 | if (pmap != 0 && pmap != *search) { 385 | printf("ERROR: Multiple possible values within __DATA __data section were found.\n"); 386 | return -1; 387 | } 388 | pmap = *search; 389 | } 390 | } 391 | if (0 == pmap) { 392 | printf("ERROR: No values within __DATA __data section were found.\n"); 393 | return -1; 394 | } 395 | 396 | return pmap - (kernel_base); 397 | } 398 | 399 | // This points to kernel_pmap. Use that to change the page tables if necessary. 400 | static uint32_t find_kernel_pmap_post_iOS_6(uint8_t *pmap_map_bd, uint8_t *kdata, size_t ksize) { 401 | // Find a reference to the pmap_map_bd string. That function also references kernel_pmap 402 | uint16_t *ptr = find_literal_ref(kdata, ksize, (uint16_t *)kdata, (uintptr_t)pmap_map_bd - (uintptr_t)kdata); 403 | if (!ptr) { 404 | return 0; 405 | } 406 | 407 | // Find the beginning of it (we may have a version that throws panic after the function end). 408 | while (*ptr != 0xB5F0) { 409 | if ((uint8_t *)ptr == kdata) { 410 | return 0; 411 | } 412 | ptr--; 413 | } 414 | 415 | // Find the end of it. 416 | const uint8_t search_function_end[] = { 0xF0, 0xBD }; 417 | ptr = buggy_memmem(ptr, ksize - ((uintptr_t)ptr - (uintptr_t)kdata), search_function_end, sizeof(search_function_end)); 418 | if (!ptr) { 419 | return 0; 420 | } 421 | 422 | // Find the last BL before the end of it. The third argument to it should be kernel_pmap 423 | uint16_t *bl = find_last_insn_matching(kdata, ksize, ptr, insn_is_bl); 424 | if (!bl) { 425 | return 0; 426 | } 427 | 428 | // Find the last LDR R2, [R*] before it that's before any branches. If there are branches, then we have a version of the function that assumes kernel_pmap instead of being passed it. 429 | uint16_t *ldr_r2 = NULL; 430 | uint16_t *current_instruction = bl; 431 | while ((uintptr_t) current_instruction > (uintptr_t) kdata) { 432 | if (insn_is_32bit(current_instruction - 2) && !insn_is_32bit(current_instruction - 3)) { 433 | current_instruction -= 2; 434 | } else { 435 | --current_instruction; 436 | } 437 | 438 | if (insn_ldr_imm_rt(current_instruction) == 2 && insn_ldr_imm_imm(current_instruction) == 0) { 439 | ldr_r2 = current_instruction; 440 | break; 441 | } else if (insn_is_b_conditional(current_instruction) || insn_is_b_unconditional(current_instruction)) { 442 | break; 443 | } 444 | } 445 | 446 | // The function has a third argument, which must be kernel_pmap. Find out its address 447 | if (ldr_r2) { 448 | return find_pc_rel_value(kdata, ksize, ldr_r2, insn_ldr_imm_rn(ldr_r2)); 449 | } 450 | 451 | // The function has no third argument, Follow the BL. 452 | uint32_t imm32 = insn_bl_imm32(bl); 453 | uint32_t target = ((uintptr_t) bl - (uintptr_t) kdata) + 4 + imm32; 454 | if (target > ksize) { 455 | return 0; 456 | } 457 | 458 | // Find the first PC-relative reference in this function. 459 | current_instruction = (uint16_t *) (kdata + target); 460 | while ((uintptr_t) current_instruction < (uintptr_t) (kdata + ksize)) { 461 | if (insn_is_add_reg(current_instruction) && insn_add_reg_rm(current_instruction) == 15) { 462 | current_instruction += insn_is_32bit(current_instruction) ? 2 : 1; 463 | return find_pc_rel_value(kdata, ksize, current_instruction, insn_add_reg_rd(current_instruction)); 464 | } 465 | current_instruction += insn_is_32bit(current_instruction) ? 2 : 1; 466 | } 467 | 468 | return 0; 469 | } 470 | 471 | static uint32_t find_larm_init_tramp(uint8_t *kdata, size_t ksize) { 472 | // ldr lr, [pc, lr]; b +0x0; cpsid if 473 | const uint8_t search[] = { 0x0E, 0xE0, 0x9F, 0xE7, 0xFF, 0xFF, 0xFF, 0xEA, 0xC0, 0x00, 0x0C, 0xF1 }; 474 | void *ptr = buggy_memmem(kdata, ksize, search, sizeof(search)); 475 | if (ptr) { 476 | return ((uintptr_t)ptr) - ((uintptr_t)kdata); 477 | } 478 | 479 | // ldr lr, [pc #value]; b +0x0; cpsid if 480 | const uint8_t search2[] = {/* ??, ?? */ 0x9F, 0xE5, 0xFF, 0xFF, 0xFF, 0xEA, 0xC0, 0x00, 0x0C, 0xF1 }; 481 | ptr = buggy_memmem(kdata, ksize, search2, sizeof(search2)); 482 | if (ptr) { 483 | return ((uintptr_t)ptr) - 2 - ((uintptr_t)kdata); 484 | } 485 | 486 | printf("ERROR: Failed to locate larm_init_tramp.\n"); 487 | return -1; 488 | } 489 | 490 | uint32_t get_kernel_pmap(vm_address_t kernel_base, uint8_t *kernel_dump, size_t ksize) { 491 | uint8_t *pmap_map_bd = buggy_memmem(kernel_dump, ksize, "\"pmap_map_bd\"", strlen("\"pmap_map_bd\"")); 492 | if (NULL == pmap_map_bd) { 493 | printf("ERROR: Failed to find string \"pmap_map_bd\".\n"); 494 | return -1; 495 | } 496 | uint32_t kernel_pmap_offset = 0; 497 | kernel_pmap_offset = find_kernel_pmap_post_iOS_6(pmap_map_bd, kernel_dump, ksize); 498 | if (0 == kernel_pmap_offset) { 499 | printf("ERROR: Failed to find kernel_pmap offset."); 500 | return -1; 501 | } 502 | return kernel_pmap_offset; 503 | } 504 | 505 | /* --- end --- */ 506 | 507 | // taig8's patchfinder 508 | struct find_search_mask 509 | { 510 | uint16_t mask; 511 | uint16_t value; 512 | }; 513 | 514 | // Search the range of kdata for a series of 16-bit values that match the search mask. 515 | static uint16_t* find_with_search_mask(uint32_t region, uint8_t* kdata, size_t ksize, int num_masks, const struct find_search_mask* masks) 516 | { 517 | uint16_t* end = (uint16_t*)(kdata + ksize - (num_masks * sizeof(uint16_t))); 518 | uint16_t* cur; 519 | for(cur = (uint16_t*) kdata; cur <= end; ++cur) 520 | { 521 | int matched = 1; 522 | int i; 523 | for(i = 0; i < num_masks; ++i) 524 | { 525 | if((*(cur + i) & masks[i].mask) != masks[i].value) 526 | { 527 | matched = 0; 528 | break; 529 | } 530 | } 531 | 532 | if(matched) 533 | return cur; 534 | } 535 | 536 | return NULL; 537 | } 538 | 539 | 540 | uint32_t find_copyinstr(uint32_t region, uint8_t* kdata, size_t ksize) 541 | { 542 | const struct find_search_mask search_masks[] = 543 | { 544 | {0x0FFF, 0x0F90}, 545 | {0xFFFF, 0xEE1D}, 546 | {0x0000, 0x0000}, 547 | {0xFFF0, 0xE590}, 548 | {0x0000, 0x0000}, 549 | {0xFFF0, 0xE580}, 550 | {0x0000, 0x0000}, 551 | {0xFFF0, 0xE590}, 552 | {0x0FFF, 0x0F10}, 553 | {0xFFFF, 0xEE02}, 554 | {0x0000, 0x0000}, 555 | {0xFFF0, 0xE590}, 556 | {0x0FFF, 0x0F30}, 557 | {0xFFFF, 0xEE0D} 558 | }; 559 | 560 | uint16_t* insn = find_with_search_mask(region, kdata, ksize, sizeof(search_masks) / sizeof(*search_masks), search_masks); 561 | if(!insn) 562 | return 0; 563 | 564 | // Find the beginning of the function 565 | for ( ; (uint8_t*)insn > kdata; insn -= 2 ) 566 | { 567 | if ( (insn[1] & 0xFFF0) == 0xE920 ) 568 | break; 569 | } 570 | 571 | return ((uintptr_t)insn) - ((uintptr_t)kdata); 572 | } 573 | 574 | // Function used to find IOLog for printing debug messages 575 | uint32_t find_IOLog(uint32_t region, uint8_t* kdata, size_t ksize) 576 | { 577 | // Find location of the "%s: error mapping interrupt[%d]\n" string. 578 | uint8_t* msg = memmem(kdata, ksize, "%s: error mapping interrupt[%d]\n", sizeof("%s: error mapping interrupt[%d]\n")); 579 | if(!msg) 580 | return 0; 581 | 582 | // Find a reference to the "%s: error mapping interrupt[%d]\n" string. 583 | uint16_t* ref = find_literal_ref(kdata, ksize, (uint16_t*) kdata, (uintptr_t)msg - (uintptr_t)kdata); 584 | if(!ref) 585 | return 0; 586 | 587 | uint16_t* bl = NULL; 588 | uint16_t* current_instruction = ref; 589 | while((uintptr_t)current_instruction < (uintptr_t)(kdata + ksize)) 590 | { 591 | if(insn_is_bl(current_instruction)) 592 | { 593 | bl = current_instruction; 594 | break; 595 | } 596 | 597 | current_instruction += insn_is_32bit(current_instruction) ? 2 : 1; 598 | } 599 | 600 | if(!bl) 601 | return 0; 602 | 603 | uint32_t imm32 = insn_bl_imm32(bl); 604 | uint32_t target = ((uintptr_t)bl - (uintptr_t)kdata) + 4 + imm32; 605 | if(target > ksize) 606 | return 0; 607 | 608 | return target + 1; 609 | } 610 | 611 | // Function to find the syscall 0 function pointer. Used to modify the syscall table to call our own code. 612 | uint32_t find_syscall188(uint32_t region, uint8_t* kdata, size_t ksize, int sysent) 613 | { 614 | 615 | /* find syscall(0) */ 616 | uint32_t syscall0; 617 | uint8_t* str = memmem(kdata, ksize, ".HFS+ Private Directory Data\r", sizeof(".HFS+ Private Directory Data\r")); 618 | if(str) { 619 | uint32_t address = ((uintptr_t)str) + region - ((uintptr_t)kdata); 620 | uint8_t *offset = memmem(kdata, ksize, (const char *)&address, sizeof(uint32_t)); 621 | // "HFS+" string offset preceded syscall table 622 | syscall0 = ((uintptr_t)offset) + 4 - ((uintptr_t)kdata); 623 | } 624 | 625 | if(!syscall0) return 0; 626 | 627 | if(*(uint32_t*)&kdata[syscall0+0x4] == 0x1 && // syscall0.sy_return_type 628 | *(uint16_t*)&kdata[syscall0+0x8] == 0x0 && // syscall0.sy_narg 629 | *(uint16_t*)&kdata[syscall0+0xa] == 0x0 && // syscall0.sy_arg_bytes 630 | *(uint32_t*)&kdata[syscall0+0x10] == 0x0 && // syscall1.sy_return_type 631 | *(uint16_t*)&kdata[syscall0+0x14] == 0x1 && // syscall1.sy_narg 632 | *(uint16_t*)&kdata[syscall0+0x16] == 0x4 && // syscall1.sy_arg_bytes 633 | *(uint32_t*)&kdata[syscall0+0x8D4] == 0x1 && // syscall188.sy_return_type 634 | *(uint16_t*)&kdata[syscall0+0x8D8] == 0x2 && // syscall188.sy_narg 635 | *(uint16_t*)&kdata[syscall0+0x8DA] == 0x8){ // syscall188.sy_arg_bytes 636 | 637 | if(sysent) return *(uint32_t*)&kdata[syscall0+0x8D0] - region; // syscall188.sy_call 638 | if(!sysent) return syscall0+0x8D0; 639 | } 640 | 641 | return 0; 642 | } 643 | 644 | // for iOS 10.x 645 | uint32_t find_syscall188_post_iOSX(uint32_t region, uint8_t* kdata, size_t ksize, int sysent) 646 | { 647 | const uint8_t syscall0_search[] = {0x80, 0xb5, 0x6f, 0x46, 0x82, 0xb0, 0x1d, 0xee, 0x90, 0x2f, 0x00, 0x20, 0x01, 0x90, 0x0c, 0x20, 0x00, 0x90, 0x00, 0x20, 0x00, 0x21, 0x04, 0x23}; 648 | 649 | void* ptr = memmem(kdata, ksize, syscall0_search, sizeof(syscall0_search)); 650 | if(!ptr) 651 | return 0; 652 | 653 | uint32_t syscall0_ptr = ((uintptr_t)ptr) - ((uintptr_t)kdata) + region + 1; 654 | 655 | for(int i=0;i<0x800000;i++){ 656 | if(*(uint32_t*)&kdata[i] == syscall0_ptr && // syscall0.sy_call 657 | *(uint32_t*)&kdata[i+0x4] == 0x1 && // syscall0.sy_return_type 658 | *(uint16_t*)&kdata[i+0x8] == 0x0 && // syscall0.sy_narg 659 | *(uint16_t*)&kdata[i+0xa] == 0x0 && // syscall0.sy_arg_bytes 660 | *(uint32_t*)&kdata[i+0x10] == 0x0 && // syscall1.sy_return_type 661 | *(uint16_t*)&kdata[i+0x14] == 0x1 && // syscall1.sy_narg 662 | *(uint16_t*)&kdata[i+0x16] == 0x4 && // syscall1.sy_arg_bytes 663 | *(uint32_t*)&kdata[i+0x8D4] == 0x1 && // syscall188.sy_return_type 664 | *(uint16_t*)&kdata[i+0x8D8] == 0x2 && // syscall188.sy_narg 665 | *(uint16_t*)&kdata[i+0x8DA] == 0x8){ // syscall188.sy_arg_bytes 666 | 667 | if(sysent) return *(uint32_t*)&kdata[i+0x8D0] - region; // syscall188.sy_call 668 | if(!sysent) return i+0x8D0; 669 | } 670 | } 671 | 672 | return 0; 673 | } 674 | 675 | 676 | uint32_t find_strcmp(uint32_t region, uint8_t* kdata, size_t ksize) 677 | { 678 | const uint8_t strcmp_searchX[] = {0x01, 0x31, 0x01, 0x30, 0x00, 0x2a, 0x04, 0xbf, 0x00, 0x20, 0x70, 0x47}; 679 | 680 | void* ptrX = memmem(kdata, ksize, strcmp_searchX, sizeof(strcmp_searchX)); 681 | if(!ptrX){ 682 | const uint8_t strcmp_searchIX[] = {0x00, 0x2a, 0x00, 0xf1, 0x01, 0x00, 0x01, 0xf1, 0x01, 0x01, 0x04, 0xbf, 0x00, 0x20, 0x70, 0x47}; 683 | void* ptrIX = memmem(kdata, ksize, strcmp_searchIX, sizeof(strcmp_searchIX)); 684 | if(!ptrIX){ 685 | return 0; 686 | } 687 | return ((uintptr_t)ptrIX) - ((uintptr_t)kdata) - 0x2; 688 | } 689 | 690 | return ((uintptr_t)ptrX) - ((uintptr_t)kdata) - 0x2; 691 | 692 | } 693 | 694 | uint32_t get_kernel_str(uint32_t region, uint8_t* kdata, size_t ksize, char* str) 695 | { 696 | uint8_t *ptr = buggy_memmem(kdata, ksize, str, strlen(str) + 1); 697 | if (NULL == ptr) { 698 | printf("ERROR: Failed to find strings: %s\n", str); 699 | return -1; 700 | } 701 | 702 | return ((uintptr_t)ptr) - ((uintptr_t)kdata); 703 | } 704 | 705 | uint32_t find_IOLog_post_iOSX(uint32_t region, uint8_t* kdata, size_t ksize) 706 | { 707 | const uint8_t IOLog_search[] = {0x83, 0xB0, 0x90, 0xB5, 0x01, 0xAF, 0x85, 0xB0, 0x04, 0x46, 0x3B, 0x61, 0xFA, 0x60, 0xB9, 0x60, 0x07, 0xF1, 0x08, 0x00, 0x02, 0x90, 0x04, 0x90, 0x04, 0x98, 0x03, 0x90, 0x04, 0x99, 0x20, 0x46}; 708 | void* ptr = memmem(kdata, ksize, IOLog_search, sizeof(IOLog_search)); 709 | if(!ptr) 710 | return 0; 711 | 712 | return ((uintptr_t)ptr) - ((uintptr_t)kdata); 713 | 714 | return 0; 715 | } 716 | // end 717 | 718 | // make_bl - from iloader by xerub 719 | uint32_t make_bl(int blx, int pos, int tgt) 720 | { 721 | int delta; 722 | unsigned short pfx; 723 | unsigned short sfx; 724 | unsigned int omask = 0xF800; 725 | unsigned int amask = 0x7FF; 726 | if (blx) { // XXX untested 727 | omask = 0xE800; 728 | amask = 0x7FE; 729 | pos &= ~3; 730 | } 731 | delta = tgt - pos - 4; // range: 0x400000 732 | pfx = 0xF000 | ((delta >> 12) & 0x7FF); 733 | sfx = omask | ((delta >> 1) & amask); 734 | return (unsigned int)pfx | ((unsigned int)sfx << 16); 735 | } 736 | 737 | unsigned int 738 | make_b_w(int pos, int tgt) 739 | { 740 | int delta; 741 | unsigned int i; 742 | unsigned short pfx; 743 | unsigned short sfx; 744 | 745 | unsigned int omask_1k = 0xB800; 746 | unsigned int omask_2k = 0xB000; 747 | unsigned int omask_3k = 0x9800; 748 | unsigned int omask_4k = 0x9000; 749 | 750 | unsigned int amask = 0x7FF; 751 | int range; 752 | 753 | range = 0x400000; 754 | 755 | delta = tgt - pos - 4; // range: 0x400000 756 | i = 0; 757 | if(tgt > pos) i = tgt - pos - 4; 758 | if(tgt < pos) i = pos - tgt - 4; 759 | 760 | if (i < range){ 761 | pfx = 0xF000 | ((delta >> 12) & 0x7FF); 762 | sfx = omask_1k | ((delta >> 1) & amask); 763 | 764 | return (unsigned int)pfx | ((unsigned int)sfx << 16); 765 | } 766 | 767 | if (range < i && i < range*2){ // range: 0x400000-0x800000 768 | delta -= range; 769 | pfx = 0xF000 | ((delta >> 12) & 0x7FF); 770 | sfx = omask_2k | ((delta >> 1) & amask); 771 | 772 | return (unsigned int)pfx | ((unsigned int)sfx << 16); 773 | } 774 | 775 | if (range*2 < i && i < range*3){ // range: 0x800000-0xc000000 776 | delta -= range*2; 777 | pfx = 0xF000 | ((delta >> 12) & 0x7FF); 778 | sfx = omask_3k | ((delta >> 1) & amask); 779 | 780 | return (unsigned int)pfx | ((unsigned int)sfx << 16); 781 | } 782 | 783 | if (range*3 < i && i < range*4){ // range: 0xc00000-0x10000000 784 | delta -= range*3; 785 | pfx = 0xF000 | ((delta >> 12) & 0x7FF); 786 | sfx = omask_4k | ((delta >> 1) & amask); 787 | return (unsigned int)pfx | ((unsigned int)sfx << 16); 788 | } 789 | 790 | return -1; 791 | } 792 | -------------------------------------------------------------------------------- /kernel/patchfinder32/patchfinder32.h: -------------------------------------------------------------------------------- 1 | 2 | uint32_t get_kernel_pmap(vm_address_t kernel_base, uint8_t *kernel_dump, size_t ksize); 3 | uint32_t find_copyinstr(uint32_t region, uint8_t* kdata, size_t ksize); 4 | uint32_t find_IOLog(uint32_t region, uint8_t* kdata, size_t ksize); 5 | uint32_t find_syscall188_post_iOSX(uint32_t region, uint8_t* kdata, size_t ksize, int sysent); 6 | uint32_t find_syscall188(uint32_t region, uint8_t* kdata, size_t ksize, int sysent); 7 | uint32_t find_strcmp(uint32_t region, uint8_t* kdata, size_t ksize); 8 | uint32_t get_kernel_str(uint32_t region, uint8_t* kdata, size_t ksize, char* str); 9 | uint32_t find_IOLog_post_iOSX(uint32_t region, uint8_t* kdata, size_t ksize); 10 | 11 | uint32_t make_bl(int blx, int pos, int tgt); 12 | unsigned int make_b_w(int pos, int tgt); 13 | -------------------------------------------------------------------------------- /kernel/patchfinder64/.empty: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dora2ios/CPBypass-public/935df36bf9b8239aa23509c95b8dbe8dee9283f1/kernel/patchfinder64/.empty -------------------------------------------------------------------------------- /kernel/payload/mk32.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | /opt/gnuarm/bin/arm-none-eabi-gcc -c -Os -march=armv7 -mthumb stat_sysent32.c 4 | -------------------------------------------------------------------------------- /kernel/payload/payload32.h: -------------------------------------------------------------------------------- 1 | unsigned char sysent_stat_bin[] = { 2 | 0xff, 0xf7, 0xfe, 0xbf, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 3 | 0x1b, 0x02, 0x00, 0x00, 0x15, 0x02, 0x00, 0x00, 0x10, 0x02, 0x00, 0x00, 4 | 0x0b, 0x02, 0x00, 0x00, 0xf3, 0x01, 0x00, 0x00, 0xe2, 0x01, 0x00, 0x00, 5 | 0xd9, 0x01, 0x00, 0x00, 0xa5, 0x01, 0x00, 0x00, 0x79, 0x01, 0x00, 0x00, 6 | 0x68, 0x01, 0x00, 0x00, 0x4f, 0x01, 0x00, 0x00, 0x22, 0x01, 0x00, 0x00, 7 | 0x0c, 0x01, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0xeb, 0x00, 0x00, 0x00, 8 | 0xe0, 0x00, 0x00, 0x00, 0xc4, 0x00, 0x00, 0x00, 0xae, 0x00, 0x00, 0x00, 9 | 0x76, 0x00, 0x00, 0x00, 0x5f, 0x00, 0x00, 0x00, 0x26, 0x00, 0x00, 0x00, 10 | 0x04, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x2d, 0xe9, 0xf0, 0x41, 11 | 0xad, 0xf5, 0x81, 0x6d, 0x00, 0x23, 0x80, 0x46, 0x0e, 0x46, 0x17, 0x46, 12 | 0x01, 0x93, 0x4f, 0xf4, 0x80, 0x62, 0x08, 0x68, 0x01, 0xab, 0x02, 0xa9, 13 | 0xff, 0xf7, 0xfe, 0xff, 0x08, 0xb1, 0x02, 0x20, 0x98, 0xe0, 0x4e, 0x4c, 14 | 0x02, 0xaa, 0x94, 0xe8, 0x03, 0x00, 0xff, 0xf7, 0xfe, 0xff, 0x02, 0xa8, 15 | 0xa1, 0x68, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xf1, 0xd0, 0x02, 0xa8, 16 | 0xe1, 0x68, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xeb, 0xd0, 0x02, 0xa8, 17 | 0x21, 0x69, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xe5, 0xd0, 0x02, 0xa8, 18 | 0x61, 0x69, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xdf, 0xd0, 0x02, 0xa8, 19 | 0xa1, 0x69, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xd9, 0xd0, 0x02, 0xa8, 20 | 0xe1, 0x69, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xd3, 0xd0, 0x02, 0xa8, 21 | 0x21, 0x6a, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xcd, 0xd0, 0x02, 0xa8, 22 | 0x61, 0x6a, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xc7, 0xd0, 0x02, 0xa8, 23 | 0xa1, 0x6a, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xc1, 0xd0, 0x02, 0xa8, 24 | 0xe1, 0x6a, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xbb, 0xd0, 0x02, 0xa8, 25 | 0x21, 0x6b, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xb5, 0xd0, 0x02, 0xa8, 26 | 0x61, 0x6b, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xaf, 0xd0, 0x02, 0xa8, 27 | 0xa1, 0x6b, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xa9, 0xd0, 0x02, 0xa8, 28 | 0xe1, 0x6b, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0xa3, 0xd0, 0x02, 0xa8, 29 | 0x21, 0x6c, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0x9d, 0xd0, 0x02, 0xa8, 30 | 0x61, 0x6c, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0x97, 0xd0, 0x02, 0xa8, 31 | 0xa1, 0x6c, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0x91, 0xd0, 0x02, 0xa8, 32 | 0xe1, 0x6c, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0x8b, 0xd0, 0x02, 0xa8, 33 | 0x21, 0x6d, 0xff, 0xf7, 0xfe, 0xff, 0x00, 0x28, 0x85, 0xd0, 0x02, 0xa8, 34 | 0x61, 0x6d, 0xff, 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unsigned int sysent_stat_bin_sz = 1008; 89 | -------------------------------------------------------------------------------- /kernel/payload/stat_sysent32.c: -------------------------------------------------------------------------------- 1 | /* stat_sysent.c: Bypassing file detection with kernel hooking 2 | * 2020/12/12 3 | * made by dora2ios 4 | */ 5 | 6 | #include 7 | 8 | typedef uint32_t user_addr_t; 9 | typedef uint32_t size_t; 10 | typedef struct vfs_context *vfs_context_t; 11 | typedef uintptr_t vm_size_t; 12 | typedef struct vm_allocation_site vm_allocation_site_t; 13 | 14 | int 15 | strcmp(const char *s1, const char *s2); 16 | 17 | __attribute__((noinline)) int _pre_strcmp(const char *a, const char *b){ 18 | return strcmp(a, b); 19 | } 20 | 21 | void IOLog(const char *format, ...) 22 | __attribute__((format(printf, 1, 2))); 23 | 24 | #define MAXPATHLEN 0x400 25 | 26 | #if 0 27 | /* 64-bit */ 28 | /* rootlessjb */ 29 | const char *STR_JB = "/jb"; // not need 30 | const char *STR_VAR_CONT_BUNDLES_BINPACK64 = "/var/containers/Bundle/iosbinpack64"; // not need 31 | const char *STR_PRV_VAR_CONT_BUNDLES_BINPACK64 = "/private/var/containers/Bundle/iosbinpack64"; // not need 32 | const char *STR_VAR_LIBEXEC = "/var/libexec"; // not need 33 | const char *STR_PRV_VAR_LIBEXEC = "/private/var/libexec"; // not need 34 | /* sileo */ 35 | const char *STR_APP_SILEO = "/Applications/Sileo.app"; // not need 36 | const char *STR_PRV_VAR_MOBILE_LIBRARY_CACHES_SNAPSHOTS_SILEO = "/private/var/mobile/Library/Caches/Snapshots/org.coolstar.SileoStore"; // not need 37 | const char *STR_PRV_VAR_MOBILE_LIBRARY_PREF_SILEO = "/private/var/mobile/Library/Preferences/org.coolstar.SileoStore.plist"; // not need 38 | /* zebra */ 39 | const char *STR_APP_ZEBRA = "/Applications/Zebra.app"; // not need 40 | const char *STR_LIBRARY_DPKG_INFO_ZEBRA = "/Library/dpkg/info/xyz.willy.zebra.list"; // not need 41 | const char *STR_PRV_VAR_MOBILE_LIBRARY_PREF_ZEBRA = "/private/var/mobile/Library/Preferences/xyz.willy.Zebra.plist"; // not need 42 | #endif 43 | 44 | /* Universal */ 45 | const char *STR_USER = "/User"; 46 | const char *STR_BOOT = "/boot"; 47 | const char *STR_LIB = "/lib"; 48 | const char *STR_MNT = "/mnt"; 49 | const char *STR_APP_CYDIA = "/Applications/Cydia.app"; 50 | const char *STR_PRV_VAR_LIB = "/private/var/lib"; 51 | const char *STR_VAR_LIB = "/var/lib"; // not need? 52 | const char *STR_PRV_VAR_MOBILE_LIBRARY_CACHES_CYDIA = "/private/var/mobile/Library/Caches/com.saurik.Cydia"; 53 | const char *STR_VAR_MOBILE_LIBRARY_CACHES_CYDIA = "/var/mobile/Library/Caches/com.saurik.Cydia"; 54 | const char *STR_PRV_ETC_SSH = "/private/etc/ssh"; 55 | const char *STR_LIBRARY_MS = "/Library/MobileSubstrate"; 56 | const char *STR_LIBRARY_FRAMEWORKS_MS = "/Library/Frameworks/CydiaSubstrate.framework"; 57 | const char *STR_PRIV_VAR_DB_STASH = "/private/var/db/stash"; 58 | const char *STR_VAR_DB_STASH = "/var/db/stash"; 59 | const char *STR_PRIV_VAR_STASH = "/private/var/stash"; 60 | const char *STR_VAR_STASH = "/var/stash"; 61 | const char *STR_USR_LIB_SUBSTRATE = "/usr/lib/libsubstrate.dylib"; 62 | 63 | /* anti-anti jb detection */ 64 | const char *STR_LIBRARY_BT = "/Library/BreakThrough"; 65 | const char *STR_LIBRARY_PREFLOADER_PREF_LIBERTY = "/Library/PreferenceLoader/Preferences/LibertyPref.plist"; 66 | const char *STR_APP_FLEX = "/Applications/Flex.app"; 67 | const char *STR_LIBRARY_PREFLOADER_PREF_NOMS = "/Library/PreferenceLoader/Preferences/NoSubstitute.plist"; 68 | const char *STR_PRIV_VAR_MOBILE_LIBRARY_FLEX3 = "/private/var/mobile/Library/Flex3"; 69 | const char *STR_VAR_MOBILE_LIBRARY_FLEX3 = "/var/mobile/Library/Flex3"; 70 | 71 | /* IOLog */ 72 | const char *LOGDUMP = "a"; 73 | const char *BLOCKDUMP = "b"; 74 | 75 | /* hook */ 76 | struct proc; 77 | typedef uint32_t sy_call_t(struct proc *arg1, void *arg2, int *arg3); 78 | uint32_t orig_stat(struct proc *p, struct stat_args *uap, /* __unused */ uint32_t *retval); 79 | 80 | struct stat_args { 81 | uint32_t path; 82 | uint32_t ub; 83 | }; 84 | 85 | uint32_t main(struct proc *p, struct stat_args *uap, /* __unused */ uint32_t *retval){ 86 | 87 | char pathname[MAXPATHLEN]; 88 | size_t dummy=0; 89 | int error; 90 | 91 | error = copyinstr(uap->path, pathname, MAXPATHLEN, &dummy); 92 | if(error) return 2; 93 | 94 | // iPhone5,2 11D27 kern_offsets 95 | // 803aab6f db "%s: %s\n" 96 | // 803b3a2d db "path" 97 | // 98 | // LOGDUMP -> "%s: %s\n" 99 | // BLOCKDUMP -> "path" 100 | 101 | IOLog(LOGDUMP, BLOCKDUMP, pathname); 102 | //_IOLog("%s: %s\n", "path", pathname); 103 | 104 | if(_pre_strcmp(pathname, STR_USER) == 0 || 105 | _pre_strcmp(pathname, STR_BOOT) == 0 || 106 | _pre_strcmp(pathname, STR_LIB) == 0 || 107 | _pre_strcmp(pathname, STR_MNT) == 0 || 108 | _pre_strcmp(pathname, STR_APP_CYDIA) == 0 || 109 | _pre_strcmp(pathname, STR_PRV_VAR_LIB) == 0 || 110 | _pre_strcmp(pathname, STR_VAR_LIB) == 0 || 111 | _pre_strcmp(pathname, STR_PRV_VAR_MOBILE_LIBRARY_CACHES_CYDIA) == 0 || 112 | _pre_strcmp(pathname, STR_VAR_MOBILE_LIBRARY_CACHES_CYDIA) == 0 || 113 | _pre_strcmp(pathname, STR_PRV_ETC_SSH) == 0 || 114 | _pre_strcmp(pathname, STR_LIBRARY_MS) == 0 || 115 | 116 | _pre_strcmp(pathname, STR_LIBRARY_FRAMEWORKS_MS) == 0 || 117 | _pre_strcmp(pathname, STR_PRIV_VAR_DB_STASH) == 0 || 118 | _pre_strcmp(pathname, STR_VAR_DB_STASH) == 0 || 119 | _pre_strcmp(pathname, STR_PRIV_VAR_STASH) == 0 || 120 | _pre_strcmp(pathname, STR_VAR_STASH) == 0 || 121 | _pre_strcmp(pathname, STR_USR_LIB_SUBSTRATE) == 0 || 122 | 123 | _pre_strcmp(pathname, STR_LIBRARY_BT) == 0 || 124 | _pre_strcmp(pathname, STR_LIBRARY_PREFLOADER_PREF_LIBERTY) == 0 || 125 | _pre_strcmp(pathname, STR_APP_FLEX) == 0 || 126 | _pre_strcmp(pathname, STR_LIBRARY_PREFLOADER_PREF_NOMS) == 0 || 127 | _pre_strcmp(pathname, STR_PRIV_VAR_MOBILE_LIBRARY_FLEX3) == 0 || 128 | _pre_strcmp(pathname, STR_VAR_MOBILE_LIBRARY_FLEX3) == 0){ 129 | // return ENOENT; 130 | return 2; 131 | } 132 | 133 | return orig_stat(p, uap, retval); 134 | } 135 | -------------------------------------------------------------------------------- /kernel/payload/stat_sysent64.c: -------------------------------------------------------------------------------- 1 | /* stat_sysent.c: Bypassing file detection with kernel hooking 2 | * 2020/12/12 3 | * made by dora2ios 4 | */ 5 | 6 | #include 7 | 8 | typedef uint64_t user_addr_t; 9 | typedef uint64_t size_t; 10 | typedef struct vfs_context *vfs_context_t; 11 | typedef uintptr_t vm_size_t; 12 | typedef struct vm_allocation_site vm_allocation_site_t; 13 | 14 | #define MAXPATHLEN 0x400 15 | 16 | #if 0 17 | /* 64-bit */ 18 | /* rootlessjb */ 19 | const char *STR_JB = "/jb"; // not need 20 | const char *STR_VAR_CONT_BUNDLES_BINPACK64 = "/var/containers/Bundle/iosbinpack64"; // not need 21 | const char *STR_PRV_VAR_CONT_BUNDLES_BINPACK64 = "/private/var/containers/Bundle/iosbinpack64"; // not need 22 | const char *STR_VAR_LIBEXEC = "/var/libexec"; // not need 23 | const char *STR_PRV_VAR_LIBEXEC = "/private/var/libexec"; // not need 24 | /* sileo */ 25 | const char *STR_APP_SILEO = "/Applications/Sileo.app"; // not need 26 | const char *STR_PRV_VAR_MOBILE_LIBRARY_CACHES_SNAPSHOTS_SILEO = "/private/var/mobile/Library/Caches/Snapshots/org.coolstar.SileoStore"; // not need 27 | const char *STR_PRV_VAR_MOBILE_LIBRARY_PREF_SILEO = "/private/var/mobile/Library/Preferences/org.coolstar.SileoStore.plist"; // not need 28 | /* zebra */ 29 | const char *STR_APP_ZEBRA = "/Applications/Zebra.app"; // not need 30 | const char *STR_LIBRARY_DPKG_INFO_ZEBRA = "/Library/dpkg/info/xyz.willy.zebra.list"; // not need 31 | const char *STR_PRV_VAR_MOBILE_LIBRARY_PREF_ZEBRA = "/private/var/mobile/Library/Preferences/xyz.willy.Zebra.plist"; // not need 32 | #endif 33 | 34 | /* Universal */ 35 | const char *STR_USER = "/User"; 36 | const char *STR_BOOT = "/boot"; 37 | const char *STR_LIB = "/lib"; 38 | const char *STR_MNT = "/mnt"; 39 | const char *STR_APP_CYDIA = "/Applications/Cydia.app"; 40 | const char *STR_PRV_VAR_LIB = "/private/var/lib"; 41 | const char *STR_VAR_LIB = "/var/lib"; // not need? 42 | const char *STR_PRV_VAR_MOBILE_LIBRARY_CACHES_CYDIA = "/private/var/mobile/Library/Caches/com.saurik.Cydia"; 43 | const char *STR_VAR_MOBILE_LIBRARY_CACHES_CYDIA = "/var/mobile/Library/Caches/com.saurik.Cydia"; 44 | const char *STR_PRV_ETC_SSH = "/private/etc/ssh"; 45 | const char *STR_LIBRARY_MS = "/Library/MobileSubstrate"; 46 | const char *STR_LIBRARY_FRAMEWORKS_MS = "/Library/Frameworks/CydiaSubstrate.framework"; 47 | const char *STR_PRIV_VAR_DB_STASH = "/private/var/db/stash"; 48 | const char *STR_VAR_DB_STASH = "/var/db/stash"; 49 | const char *STR_PRIV_VAR_STASH = "/private/var/stash"; 50 | const char *STR_VAR_STASH = "/var/stash"; 51 | const char *STR_USR_LIB_SUBSTRATE = "/usr/lib/libsubstrate.dylib"; 52 | 53 | /* anti-anti jb detection */ 54 | const char *STR_LIBRARY_BT = "/Library/BreakThrough"; 55 | const char *STR_LIBRARY_PREFLOADER_PREF_LIBERTY = "/Library/PreferenceLoader/Preferences/LibertyPref.plist"; 56 | const char *STR_APP_FLEX = "/Applications/Flex.app"; 57 | const char *STR_LIBRARY_PREFLOADER_PREF_NOMS = "/Library/PreferenceLoader/Preferences/NoSubstitute.plist"; 58 | const char *STR_PRIV_VAR_MOBILE_LIBRARY_FLEX3 = "/private/var/mobile/Library/Flex3"; 59 | const char *STR_VAR_MOBILE_LIBRARY_FLEX3 = "/var/mobile/Library/Flex3"; 60 | 61 | /* IOLog */ // not working... 62 | const char *LOGDUMP = "[%s]: %s\n"; 63 | const char *BLOCKDUMP = "stat"; 64 | 65 | /* hook */ 66 | struct proc; 67 | typedef uint64_t sy_call_t(struct proc *arg1, void *arg2, int *arg3); 68 | typedef int (*orig_stat_t)(struct proc *p, struct stat_args *uap, /* __unused */ uint32_t *retval); 69 | __attribute__((noinline)) orig_stat_t orig_stat = 0x4444444444444444; 70 | 71 | struct stat_args { 72 | uint64_t path; 73 | uint64_t ub; 74 | }; 75 | 76 | typedef int (*copyinstr_t)(const user_addr_t uaddr, void *kaddr, size_t len, size_t *done); 77 | __attribute__((noinline)) copyinstr_t copyinstr = 0x4141414141414141; 78 | 79 | typedef int (*strcmp_t)(const char *s1, const char *s2); 80 | //__attribute__((noinline)) strcmp_t _strcmp = 0x4242424242424242; 81 | __attribute__((noinline)) strcmp_t _pre_strcmp = 0x4242424242424242; 82 | 83 | typedef void (*IOLog_t)(const char *format, ...) 84 | __attribute__((format(printf, 1, 2))); 85 | __attribute__((noinline)) IOLog_t IOLog = 0x4343434343434343; 86 | 87 | //__attribute__((noinline)) int _pre_strcmp(const char *a, const char *b){ 88 | // return _strcmp(a, b); 89 | //} 90 | 91 | uint64_t payload(struct proc *p, struct stat_args *uap, /* __unused */ uint64_t *retval){ 92 | 93 | char pathname[MAXPATHLEN]; 94 | size_t dummy=0; 95 | int error; 96 | 97 | error = copyinstr(uap->path, pathname, MAXPATHLEN, &dummy); 98 | if(error) return 2; 99 | 100 | // iPhone5,2 11D27 kern_offsets 101 | // 803aab6f db "%s: %s\n" 102 | // 803b3a2d db "path" 103 | // 104 | // LOGDUMP -> "%s: %s\n" 105 | // BLOCKDUMP -> "path" 106 | 107 | IOLog(LOGDUMP, BLOCKDUMP, pathname); 108 | //_IOLog("%s: %s\n", "path", pathname); 109 | 110 | if(_pre_strcmp(pathname, STR_USER) == 0 || 111 | _pre_strcmp(pathname, STR_BOOT) == 0 || 112 | _pre_strcmp(pathname, STR_LIB) == 0 || 113 | _pre_strcmp(pathname, STR_MNT) == 0 || 114 | _pre_strcmp(pathname, STR_APP_CYDIA) == 0 || 115 | _pre_strcmp(pathname, STR_PRV_VAR_LIB) == 0 || 116 | _pre_strcmp(pathname, STR_VAR_LIB) == 0 || 117 | _pre_strcmp(pathname, STR_PRV_VAR_MOBILE_LIBRARY_CACHES_CYDIA) == 0 || 118 | _pre_strcmp(pathname, STR_VAR_MOBILE_LIBRARY_CACHES_CYDIA) == 0 || 119 | _pre_strcmp(pathname, STR_PRV_ETC_SSH) == 0 || 120 | _pre_strcmp(pathname, STR_LIBRARY_MS) == 0 || 121 | 122 | _pre_strcmp(pathname, STR_LIBRARY_FRAMEWORKS_MS) == 0 || 123 | _pre_strcmp(pathname, STR_PRIV_VAR_DB_STASH) == 0 || 124 | _pre_strcmp(pathname, STR_VAR_DB_STASH) == 0 || 125 | _pre_strcmp(pathname, STR_PRIV_VAR_STASH) == 0 || 126 | _pre_strcmp(pathname, STR_VAR_STASH) == 0 || 127 | _pre_strcmp(pathname, STR_USR_LIB_SUBSTRATE) == 0 || 128 | 129 | _pre_strcmp(pathname, STR_LIBRARY_BT) == 0 || 130 | _pre_strcmp(pathname, STR_LIBRARY_PREFLOADER_PREF_LIBERTY) == 0 || 131 | _pre_strcmp(pathname, STR_APP_FLEX) == 0 || 132 | _pre_strcmp(pathname, STR_LIBRARY_PREFLOADER_PREF_NOMS) == 0 || 133 | _pre_strcmp(pathname, STR_PRIV_VAR_MOBILE_LIBRARY_FLEX3) == 0 || 134 | _pre_strcmp(pathname, STR_VAR_MOBILE_LIBRARY_FLEX3) == 0){ 135 | // return ENOENT; 136 | return 2; 137 | } 138 | 139 | return orig_stat(p, uap, retval); 140 | } 141 | -------------------------------------------------------------------------------- /kernel/sysent_patch32.c: -------------------------------------------------------------------------------- 1 | /* sysent_patch32.c: Patch the kernel and hook syscall(188) for iOS 10.x 2 | * 2020/12/12 3 | * made by dora2ios 4 | * 5 | */ 6 | 7 | #include 8 | #include 9 | #include 10 | 11 | #include 12 | #include 13 | #include 14 | #include 15 | #include "patchfinder32/patchfinder32.h" 16 | #include "payload/payload32.h" 17 | 18 | /* ARM page bits for L1 sections */ 19 | #define L1_SHIFT 20 /* log2(1MB) */ 20 | 21 | #define L1_SECT_PROTO (1 << 1) /* 0b10 */ 22 | 23 | #define L1_SECT_B_BIT (1 << 2) 24 | #define L1_SECT_C_BIT (1 << 3) 25 | 26 | #define L1_SECT_SORDER (0) /* 0b00, not cacheable, strongly ordered */ 27 | #define L1_SECT_SH_DEVICE (L1_SECT_B_BIT) 28 | #define L1_SECT_WT_NWA (L1_SECT_C_BIT) 29 | #define L1_SECT_WB_NWA (L1_SECT_B_BIT | L1_SECT_C_BIT) 30 | #define L1_SECT_S_BIT (1 << 16) 31 | 32 | #define L1_SECT_AP_URW (1 << 10) | (1 << 11) 33 | #define L1_SECT_PFN(x) (x & 0xFFF00000) 34 | 35 | #define L1_SECT_DEFPROT (L1_SECT_AP_URW) 36 | #define L1_SECT_DEFCACHE (L1_SECT_SORDER) 37 | 38 | #define L1_SECT_APX (1 << 15) 39 | #define L1_PAGE_PROTO (1 << 0) 40 | #define L1_COARSE_PT (0xFFFFFC00) 41 | #define PT_SIZE 256 42 | #define L2_PAGE_APX (1 << 9) 43 | 44 | #define L1_PROTO_TTE(paddr) (L1_SECT_PFN(paddr) | L1_SECT_S_BIT | L1_SECT_DEFPROT | L1_SECT_DEFCACHE | L1_SECT_PROTO) 45 | 46 | #define PFN_SHIFT 2 47 | #define TTB_OFFSET(vaddr) ((vaddr >> L1_SHIFT) << PFN_SHIFT) 48 | 49 | #define TTB_SIZE 4096 50 | #define DEFAULT_KERNEL_SLIDE 0x80000000 51 | #define KDUMP_SIZE 0x1200000 52 | #define CHUNK_SIZE 2048 53 | 54 | 55 | mach_port_t tfp0; 56 | 57 | kern_return_t mach_vm_read_overwrite(vm_map_t target_task, mach_vm_address_t address, mach_vm_size_t size, mach_vm_address_t data, mach_vm_size_t *outsize); 58 | kern_return_t mach_vm_write(vm_map_t target_task, mach_vm_address_t address, vm_offset_t data, mach_msg_type_number_t dataCnt); 59 | kern_return_t mach_vm_protect(vm_map_t target_task, mach_vm_address_t address, mach_vm_size_t size, boolean_t set_maximum, vm_prot_t new_protection); 60 | kern_return_t mach_vm_allocate(vm_map_t target, mach_vm_address_t *address, mach_vm_size_t size, int flags); 61 | 62 | void copyin(void* to, uint32_t from, size_t size) { 63 | mach_vm_size_t outsize = size; 64 | size_t szt = size; 65 | if (size > 0x1000) { 66 | size = 0x1000; 67 | } 68 | size_t off = 0; 69 | while (1) { 70 | mach_vm_read_overwrite(tfp0, off+from, size, (mach_vm_offset_t)(off+to), &outsize); 71 | szt -= size; 72 | off += size; 73 | if (szt == 0) { 74 | break; 75 | } 76 | size = szt; 77 | if (size > 0x1000) { 78 | size = 0x1000; 79 | } 80 | 81 | } 82 | } 83 | 84 | void copyout(uint32_t to, void* from, size_t size) { 85 | mach_vm_write(tfp0, to, (vm_offset_t)from, (mach_msg_type_number_t)size); 86 | } 87 | 88 | uint32_t rk32(uint32_t addr) { 89 | uint32_t val = 0; 90 | copyin(&val, addr, 4); 91 | return val; 92 | } 93 | 94 | uint32_t wk32(uint32_t addr, uint32_t val) { 95 | copyout(addr, &val, 4); 96 | return val; 97 | } 98 | 99 | uint32_t wk16(uint32_t addr, uint16_t val) { 100 | copyout(addr, &val, 2); 101 | return val; 102 | } 103 | /* -- end -- */ 104 | 105 | mach_port_t get_kernel_task() { 106 | task_t kernel_task; 107 | if (KERN_SUCCESS != task_for_pid(mach_task_self(), 0, &kernel_task)) { 108 | if (KERN_SUCCESS != host_get_special_port(mach_host_self(), HOST_LOCAL_NODE, 4, &kernel_task)){ 109 | return -1; 110 | } 111 | return kernel_task; 112 | } 113 | return kernel_task; 114 | } 115 | 116 | /*--- 32bit ---*/ 117 | vm_address_t get_kernel_base() { 118 | vm_region_submap_info_data_64_t info; 119 | vm_size_t size; 120 | mach_msg_type_number_t info_count = VM_REGION_SUBMAP_INFO_COUNT_64; 121 | unsigned int depth = 0; 122 | vm_address_t addr = 0x81200000; 123 | while (1) { 124 | if (KERN_SUCCESS != vm_region_recurse_64(tfp0, &addr, &size, &depth, (vm_region_info_t) & info, &info_count)) 125 | break; 126 | if (size > 1024 * 1024 * 1024) { 127 | /* 128 | * https://code.google.com/p/iphone-dataprotection/ 129 | * hax, sometimes on iOS7 kernel starts at +0x200000 in the 1Gb region 130 | */ 131 | pointer_t buf; 132 | mach_msg_type_number_t sz = 0; 133 | addr += 0x200000; 134 | vm_read(tfp0, addr + 0x1000, 512, &buf, &sz); 135 | if (*((uint32_t *)buf) != MH_MAGIC) { 136 | addr -= 0x200000; 137 | vm_read(tfp0, addr + 0x1000, 512, &buf, &sz); 138 | if (*((uint32_t*)buf) != MH_MAGIC) { 139 | break; 140 | } 141 | } 142 | vm_address_t kbase = addr + 0x1000; 143 | return kbase; 144 | } 145 | addr += size; 146 | } 147 | return -1; 148 | } 149 | 150 | void dump_kernel(vm_address_t kernel_base, uint8_t *dest, size_t ksize) { 151 | for (vm_address_t addr = kernel_base, e = 0; addr < kernel_base + ksize; addr += CHUNK_SIZE, e += CHUNK_SIZE) { 152 | pointer_t buf = 0; 153 | vm_address_t sz = 0; 154 | vm_read(tfp0, addr, CHUNK_SIZE, &buf, &sz); 155 | if (buf == 0 || sz == 0) 156 | continue; 157 | bcopy((uint8_t *)buf, dest + e, CHUNK_SIZE); 158 | } 159 | } 160 | 161 | /*-- jailbreak --*/ 162 | void patch_page_table(uint32_t tte_virt, uint32_t tte_phys, uint32_t page) { 163 | uint32_t i = page >> 20; 164 | uint32_t j = (page >> 12) & 0xFF; 165 | uint32_t addr = tte_virt+(i<<2); 166 | uint32_t entry = rk32(addr); 167 | if ((entry & L1_PAGE_PROTO) == L1_PAGE_PROTO) { 168 | uint32_t page_entry = ((entry & L1_COARSE_PT) - tte_phys) + tte_virt; 169 | uint32_t addr2 = page_entry+(j<<2); 170 | uint32_t entry2 = rk32(addr2); 171 | if (entry2) { 172 | uint32_t new_entry2 = (entry2 & (~L2_PAGE_APX)); 173 | wk32(addr2, new_entry2); 174 | } 175 | } else if ((entry & L1_SECT_PROTO) == L1_SECT_PROTO) { 176 | uint32_t new_entry = L1_PROTO_TTE(entry); 177 | new_entry &= ~L1_SECT_APX; 178 | wk32(addr, new_entry); 179 | } 180 | usleep(200000); 181 | } 182 | 183 | int find_ios_version() { 184 | struct utsname u = { 0 }; 185 | uname(&u); 186 | if (strcmp(u.release, "15.0.0") == 0 || 187 | strcmp(u.release, "15.4.0") == 0 || 188 | strcmp(u.release, "15.5.0") == 0 || 189 | strcmp(u.release, "15.6.0") == 0){ 190 | return 9; 191 | } 192 | 193 | if (strcmp(u.release, "16.0.0") == 0 || 194 | strcmp(u.release, "16.1.0") == 0 || 195 | strcmp(u.release, "16.3.0") == 0 || 196 | strcmp(u.release, "16.5.0") == 0 || 197 | strcmp(u.release, "16.6.0") == 0 || 198 | strcmp(u.release, "16.7.0") == 0){ 199 | return 10; 200 | } 201 | 202 | return -1; 203 | } 204 | 205 | void usage(char** argv) { 206 | printf("sysent_patcher v1.4\n"); 207 | printf("[2020/12/27] by dora2ios\n"); 208 | printf("Supported devices: iOS 9 - 10 (32-bit only)\n"); 209 | printf("\n"); 210 | printf("usage: %s [options]\n", argv[0]); 211 | printf("\t-p\t\tpatch syscall(188)\n"); 212 | printf("\n"); 213 | printf("!!!! warning !!!!\n"); 214 | printf("This software patches the kernel. As a result, the entire system may become unstable.\n"); 215 | } 216 | 217 | int main(int argc, char** argv){ 218 | 219 | #define PAYLOAD 0x80001c00 220 | 221 | int pwn_syscall; 222 | 223 | if(argc == 1) { 224 | usage(argv); 225 | return -1; 226 | } 227 | 228 | if(!strcmp(argv[1], "-p")) { 229 | pwn_syscall = 1; 230 | } 231 | 232 | if(pwn_syscall == 1){ 233 | 234 | int iosver; 235 | 236 | iosver = find_ios_version(); 237 | if(iosver == -1){ 238 | printf("Failed to get ios version!\n"); 239 | return -1; 240 | } 241 | 242 | tfp0 = get_kernel_task(); 243 | if (!tfp0) { 244 | printf("Failed to get tfp0!\n"); 245 | return -1; 246 | } 247 | printf("tfp0: %08x\n", tfp0); 248 | 249 | uint32_t kbase = get_kernel_base(); 250 | if (!kbase) { 251 | printf("Failed to get kernel base!\n"); 252 | return -1; 253 | } 254 | printf("kernel_base: %08x\n", kbase); 255 | 256 | uint32_t kslide = kbase - 0x80001000; 257 | printf("kslide: %08x\n", kslide); 258 | 259 | unsigned char *kdump; 260 | size_t ksize = KDUMP_SIZE; 261 | 262 | kdump = malloc(ksize); 263 | dump_kernel(kbase, kdump, ksize); 264 | if (!(*(uint32_t*)&kdump[0] == MH_MAGIC)) { 265 | printf("Failed to dump kernel!\n"); 266 | return -1; 267 | } 268 | 269 | uint32_t kernel_pmap = kbase + get_kernel_pmap(kbase, kdump, ksize); 270 | if (!kbase) { 271 | printf("Failed to get kernel_pmap!\n"); 272 | return -1; 273 | } 274 | printf("kernel_pmap: %08x\n", kernel_pmap); 275 | 276 | uint32_t kernel_pmap_store = rk32(kernel_pmap); 277 | uint32_t tte_virt = rk32(kernel_pmap_store); 278 | uint32_t tte_phys = rk32(kernel_pmap_store+4); 279 | 280 | printf("virt: %08x, phys: %08x\n", tte_virt, tte_phys); 281 | 282 | /* offsetfinder */ 283 | uint32_t payload; 284 | uint32_t payload_start; 285 | uint32_t _copyinstr; 286 | uint32_t _IOLog; 287 | uint32_t _sysent_stat; 288 | uint32_t _syscall_stat; 289 | uint32_t _strcmp; 290 | uint32_t logdump; 291 | uint32_t blockdump; 292 | 293 | payload = PAYLOAD + kslide; 294 | payload_start = payload + 0x69; 295 | 296 | _copyinstr = find_copyinstr(kbase, kdump, ksize); 297 | _strcmp = find_strcmp(kbase, kdump, ksize); 298 | logdump = get_kernel_str(kbase, kdump, ksize, "%s: %s\n"); 299 | blockdump = get_kernel_str(kbase, kdump, ksize, "path"); 300 | 301 | if(iosver == 10){ 302 | _IOLog = find_IOLog_post_iOSX(kbase, kdump, ksize); 303 | _sysent_stat = kbase + find_syscall188_post_iOSX(kbase, kdump, ksize, 0); 304 | _syscall_stat = find_syscall188_post_iOSX(kbase, kdump, ksize, 1); 305 | } 306 | 307 | if(iosver == 9){ 308 | _IOLog = find_IOLog(kbase, kdump, ksize); 309 | _sysent_stat = kbase + find_syscall188(kbase, kdump, ksize, 0); 310 | _syscall_stat = find_syscall188(kbase, kdump, ksize, 1); 311 | } 312 | 313 | if((_syscall_stat + kbase) == payload_start){ 314 | printf("Already patched.\n"); 315 | return 0; 316 | } 317 | 318 | patch_page_table(tte_virt, tte_phys, _sysent_stat & ~0xFFF); 319 | patch_page_table(tte_virt, tte_phys, payload & ~0xFFF); 320 | 321 | /* 322 | * payload 323 | * 80001c00: _pre_strcmp 324 | * 80001c04: .data START 325 | * 80001c64: .data END 326 | * 80001c68: .text START, _payload 327 | * 80001c84: blx _copyinstr 328 | * 80001c96: bl _IOLog 329 | * 80001dbc: bl _orig_stat 330 | */ 331 | 332 | copyout(payload, sysent_stat_bin, sysent_stat_bin_sz); 333 | 334 | // Use make_b_w instead of static offsets 335 | wk32(payload + 0x0000, make_b_w(0xc00, _strcmp)); // range: 0x10000000 336 | 337 | /* fix ptr */ 338 | wk32(payload + 0x0004, logdump + kbase); 339 | wk32(payload + 0x0008, blockdump + kbase); 340 | wk32(payload + 0x000c, 0x000003e7 + payload); 341 | wk32(payload + 0x0010, 0x000003e1 + payload); 342 | wk32(payload + 0x0014, 0x000003dc + payload); 343 | wk32(payload + 0x0018, 0x000003d7 + payload); 344 | wk32(payload + 0x001c, 0x000003bf + payload); 345 | wk32(payload + 0x0020, 0x000003ae + payload); 346 | wk32(payload + 0x0024, 0x000003a5 + payload); 347 | wk32(payload + 0x0028, 0x00000371 + payload); 348 | wk32(payload + 0x002c, 0x00000345 + payload); 349 | wk32(payload + 0x0030, 0x00000334 + payload); 350 | wk32(payload + 0x0034, 0x0000031b + payload); 351 | wk32(payload + 0x0038, 0x000002ee + payload); 352 | wk32(payload + 0x003c, 0x000002d8 + payload); 353 | wk32(payload + 0x0040, 0x000002ca + payload); 354 | wk32(payload + 0x0044, 0x000002b7 + payload); 355 | wk32(payload + 0x0048, 0x000002ac + payload); 356 | wk32(payload + 0x004c, 0x00000290 + payload); 357 | wk32(payload + 0x0050, 0x0000027a + payload); 358 | wk32(payload + 0x0054, 0x00000242 + payload); 359 | wk32(payload + 0x0058, 0x0000022b + payload); 360 | wk32(payload + 0x005c, 0x000001f2 + payload); 361 | wk32(payload + 0x0060, 0x000001d8 + payload); 362 | wk32(payload + 0x0064, 0x000001d0 + payload); 363 | 364 | wk32(payload + 0x01c8, 0x00000004 + payload); 365 | 366 | 367 | /* make bl(x) */ 368 | // Use make_bl instead of static offsets // range: 0x400000 369 | wk32(payload + 0x0084, make_bl(1, 0xc84, _copyinstr)); 370 | wk32(payload + 0x0096, make_bl(0, 0xc96, _IOLog)); 371 | wk32(payload + 0x01bc, make_bl(0, 0xdbc, _syscall_stat)); 372 | 373 | /* 374 | * fix bl 375 | * global offsets 376 | */ 377 | wk32(payload + 0x009e, 0xffaff7ff); // bl _pre_strcmp 378 | wk32(payload + 0x00aa, 0xffa9f7ff); // bl _pre_strcmp 379 | wk32(payload + 0x00b6, 0xffa3f7ff); // bl _pre_strcmp 380 | wk32(payload + 0x00c2, 0xff9df7ff); // bl _pre_strcmp 381 | wk32(payload + 0x00ce, 0xff97f7ff); // bl _pre_strcmp 382 | wk32(payload + 0x00da, 0xff91f7ff); // bl _pre_strcmp 383 | wk32(payload + 0x00e6, 0xff8bf7ff); // bl _pre_strcmp 384 | wk32(payload + 0x00f2, 0xff85f7ff); // bl _pre_strcmp 385 | wk32(payload + 0x00fe, 0xff7ff7ff); // bl _pre_strcmp 386 | wk32(payload + 0x010a, 0xff79f7ff); // bl _pre_strcmp 387 | wk32(payload + 0x0116, 0xff73f7ff); // bl _pre_strcmp 388 | wk32(payload + 0x0122, 0xff6df7ff); // bl _pre_strcmp 389 | wk32(payload + 0x012e, 0xff67f7ff); // bl _pre_strcmp 390 | wk32(payload + 0x013a, 0xff61f7ff); // bl _pre_strcmp 391 | wk32(payload + 0x0146, 0xff5bf7ff); // bl _pre_strcmp 392 | wk32(payload + 0x0152, 0xff55f7ff); // bl _pre_strcmp 393 | wk32(payload + 0x015e, 0xff4ff7ff); // bl _pre_strcmp 394 | wk32(payload + 0x016a, 0xff49f7ff); // bl _pre_strcmp 395 | wk32(payload + 0x0176, 0xff43f7ff); // bl _pre_strcmp 396 | wk32(payload + 0x0182, 0xff3df7ff); // bl _pre_strcmp 397 | wk32(payload + 0x0190, 0xff36f7ff); // bl _pre_strcmp 398 | wk32(payload + 0x019e, 0xff2ff7ff); // bl _pre_strcmp 399 | wk32(payload + 0x01ac, 0xff28f7ff); // bl _pre_strcmp 400 | 401 | /* 402 | * hook sysent 403 | * orig_stat -> _payload 404 | */ 405 | wk32(_sysent_stat, payload_start); 406 | 407 | printf("DONE!?\n"); 408 | } 409 | 410 | return 0; 411 | } 412 | 413 | /* svc list 414 | * stat, symlink, __sysctl, getpid, ptrace 415 | */ 416 | -------------------------------------------------------------------------------- /kernel/sysent_patch64.c: -------------------------------------------------------------------------------- 1 | /* sysent_patch64.c: Patch the kernel and hook syscall(188) 2 | * 2021/01/01 3 | * made by dora2ios 4 | * 5 | */ 6 | 7 | #include 8 | #include 9 | #include 10 | #include 11 | #include 12 | #include 13 | #include 14 | 15 | #include "patchfinder64/patchfinder64.h" 16 | 17 | #define IMAGE_OFFSET 0x2000 18 | #define MACHO_HEADER_MAGIC 0xfeedfacf 19 | #define MAX_KASLR_SLIDE 0x21000000 20 | #define KERNEL_SEARCH_ADDRESS 0xfffffff007004000 21 | #define ptrSize sizeof(uintptr_t) 22 | 23 | // krnl offsets: for n51, 10.2.1(14d27) 24 | uint64_t OFFSETOF_COPYINSTR = 0xfffffff007183734; 25 | uint64_t OFFSETOF_STRCMP = 0xfffffff007166d78; 26 | uint64_t OFFSETOF_IOLOG = 0xfffffff0074653d0; 27 | uint64_t OFFSETOF_SYSENT_STAT = 0xfffffff007067798; 28 | 29 | mach_port_t tfp0; 30 | 31 | kern_return_t mach_vm_read_overwrite(vm_map_t target_task, mach_vm_address_t address, mach_vm_size_t size, mach_vm_address_t data, mach_vm_size_t *outsize); 32 | kern_return_t mach_vm_write(vm_map_t target_task, mach_vm_address_t address, vm_offset_t data, mach_msg_type_number_t dataCnt); 33 | 34 | kern_return_t mach_vm_protect(vm_map_t target_task, mach_vm_address_t address, mach_vm_size_t size, boolean_t set_maximum, vm_prot_t new_protection); 35 | kern_return_t mach_vm_allocate(vm_map_t target, mach_vm_address_t *address, mach_vm_size_t size, int flags); 36 | 37 | void copyin(void* to, uint64_t from, size_t size) { 38 | mach_vm_size_t outsize = size; 39 | size_t szt = size; 40 | if (size > 0x1000) { 41 | size = 0x1000; 42 | } 43 | size_t off = 0; 44 | while (1) { 45 | mach_vm_read_overwrite(tfp0, off+from, size, (mach_vm_offset_t)(off+to), &outsize); 46 | szt -= size; 47 | off += size; 48 | if (szt == 0) { 49 | break; 50 | } 51 | size = szt; 52 | if (size > 0x1000) { 53 | size = 0x1000; 54 | } 55 | 56 | } 57 | } 58 | 59 | void copyout(uint64_t to, void* from, size_t size) { 60 | mach_vm_write(tfp0, to, (vm_offset_t)from, (mach_msg_type_number_t)size); 61 | } 62 | 63 | uint64_t ReadAnywhere16(uint64_t addr) { 64 | uint16_t val = 0; 65 | copyin(&val, addr, 2); 66 | return val; 67 | } 68 | 69 | uint64_t ReadAnywhere32(uint64_t addr) { 70 | uint32_t val = 0; 71 | copyin(&val, addr, 4); 72 | return val; 73 | } 74 | 75 | uint64_t WriteAnywhere32(uint64_t addr, uint32_t val) { 76 | copyout(addr, &val, 4); 77 | return val; 78 | } 79 | 80 | uint64_t ReadAnywhere64(uint64_t addr) { 81 | uint64_t val = 0; 82 | copyin(&val, addr, 8); 83 | return val; 84 | } 85 | 86 | uint64_t WriteAnywhere64(uint64_t addr, uint64_t val) { 87 | copyout(addr, &val, 8); 88 | return val; 89 | } 90 | 91 | 92 | task_t get_kernel_task() { 93 | task_t kt = 0; 94 | kern_return_t r = task_for_pid(mach_task_self(), 0, &kt); 95 | 96 | if (r) { 97 | r = host_get_special_port(mach_host_self(), HOST_LOCAL_NODE, 4, &kt); 98 | if (r) { 99 | printf("task_for_pid and host_get_special_port failed\n"); 100 | exit(-1); 101 | } 102 | } 103 | 104 | return kt; 105 | } 106 | 107 | uint64_t get_kernel_base(mach_port_t kernel_task) { 108 | uint64_t addr = 0; 109 | addr = KERNEL_SEARCH_ADDRESS+MAX_KASLR_SLIDE; 110 | while (1) { 111 | char *buf; 112 | mach_msg_type_number_t sz = 0; 113 | kern_return_t ret = vm_read(kernel_task, addr, 0x200, (vm_offset_t*)&buf, &sz); 114 | if (ret) { 115 | goto next; 116 | } 117 | if (*((uint32_t *)buf) == MACHO_HEADER_MAGIC) { 118 | int ret = vm_read(kernel_task, addr, 0x1000, (vm_offset_t*)&buf, &sz); 119 | if (ret != KERN_SUCCESS) { 120 | printf("Failed vm_read %i\n", ret); 121 | goto next; 122 | } 123 | for (uintptr_t i=addr; i < (addr+0x2000); i+=(ptrSize)) { 124 | mach_msg_type_number_t sz; 125 | int ret = vm_read(kernel_task, i, 0x120, (vm_offset_t*)&buf, &sz); 126 | if (ret != KERN_SUCCESS) { 127 | printf("Failed vm_read %i\n", ret); 128 | return 0; 129 | } 130 | if (!strcmp(buf, "__text") && !strcmp(buf+0x10, "__PRELINK_TEXT")) { 131 | return addr; 132 | } 133 | } 134 | } 135 | next: 136 | addr -= 0x200000; 137 | } 138 | printf("ERROR: Failed to find kernel base.\n"); 139 | return 0; 140 | } 141 | 142 | #include "patchfinder64/pte_stuff.h" 143 | 144 | uint64_t gPhysBase; 145 | uint64_t gVirtBase; 146 | uint64_t level1_table; 147 | 148 | void kpp(int uref, uint64_t kernbase, uint64_t slide){ 149 | 150 | int hooked; 151 | 152 | checkvad(); 153 | uint64_t entryp; 154 | 155 | int rv = init_kernel(kernbase, NULL); 156 | assert(rv == 0); 157 | 158 | /* 159 | * @qwertyoruiop's KPP bypass 160 | * 161 | * 162 | */ 163 | 164 | 165 | // hook sysent_stat 166 | { 167 | uint64_t payload_base = 0; 168 | kern_return_t err = mach_vm_allocate(tfp0, &payload_base, isvad == 0 ? 0x4000 : 0x1000, VM_FLAGS_ANYWHERE); 169 | 170 | uint64_t copyinstr_ptr = OFFSETOF_COPYINSTR + slide; 171 | uint64_t strcmp_ptr = OFFSETOF_STRCMP + slide; 172 | uint64_t IOLog_ptr = OFFSETOF_IOLOG + slide; 173 | uint64_t sysent_stat_addr = OFFSETOF_SYSENT_STAT + slide; 174 | uint64_t orig_stat = ReadAnywhere64(sysent_stat_addr); 175 | 176 | printf("sysent_stat_addr: 0x%016llx\n", sysent_stat_addr); 177 | printf("orig_stat: 0x%016llx\n", orig_stat); 178 | printf("copyinstr: 0x%016llx\n", copyinstr_ptr); 179 | printf("strcmp: 0x%016llx\n", strcmp_ptr); 180 | printf("IOLog: 0x%016llx\n", IOLog_ptr); // not work?? 181 | 182 | printf("allocate: 0x%x\n", err); 183 | printf("payload_base: 0x%016llx\n", payload_base); 184 | 185 | printf("writing payload...\n"); 186 | // Section __text 187 | // Range: [0x0; 0x2d8[ (728 bytes) 188 | WriteAnywhere32(0x000 + payload_base, 0xa9bc6ffc); 189 | WriteAnywhere32(0x004 + payload_base, 0xa90157f6); 190 | WriteAnywhere32(0x008 + payload_base, 0xa9024ff4); 191 | WriteAnywhere32(0x00c + payload_base, 0xa9037bfd); 192 | WriteAnywhere32(0x010 + payload_base, 0x9100c3fd); 193 | WriteAnywhere32(0x014 + payload_base, 0xd11083ff); 194 | WriteAnywhere32(0x018 + payload_base, 0xaa0103f4); 195 | WriteAnywhere32(0x01c + payload_base, 0xf9000fff); 196 | WriteAnywhere32(0x020 + payload_base, 0x90000008); 197 | WriteAnywhere32(0x024 + payload_base, 0xf942f909); 198 | WriteAnywhere32(0x028 + payload_base, 0xf9400288); 199 | WriteAnywhere32(0x02c + payload_base, 0xaa0203f3); 200 | WriteAnywhere32(0x030 + payload_base, 0xaa0003f5); 201 | WriteAnywhere32(0x034 + payload_base, 0x910083e1); 202 | WriteAnywhere32(0x038 + payload_base, 0x321603e2); 203 | WriteAnywhere32(0x03c + payload_base, 0x910063e3); 204 | WriteAnywhere32(0x040 + payload_base, 0xaa0803e0); 205 | WriteAnywhere32(0x044 + payload_base, 0x910083f6); 206 | WriteAnywhere32(0x048 + payload_base, 0xd63f0120); 207 | WriteAnywhere32(0x04c + payload_base, 0x34000100); 208 | WriteAnywhere32(0x050 + payload_base, 0x321f03e0); 209 | WriteAnywhere32(0x054 + payload_base, 0x911083ff); 210 | WriteAnywhere32(0x058 + payload_base, 0xa9437bfd); 211 | WriteAnywhere32(0x05c + payload_base, 0xa9424ff4); 212 | WriteAnywhere32(0x060 + payload_base, 0xa94157f6); 213 | WriteAnywhere32(0x064 + payload_base, 0xa8c46ffc); 214 | WriteAnywhere32(0x068 + payload_base, 0xd65f03c0); 215 | WriteAnywhere32(0x06c + payload_base, 0x90000008); 216 | WriteAnywhere32(0x070 + payload_base, 0x90000009); 217 | WriteAnywhere32(0x074 + payload_base, 0x9000000a); 218 | WriteAnywhere32(0x078 + payload_base, 0xf9430108); 219 | WriteAnywhere32(0x07c + payload_base, 0xf942ed20); 220 | WriteAnywhere32(0x080 + payload_base, 0xf942f149); 221 | WriteAnywhere32(0x084 + payload_base, 0xa9005be9); 222 | WriteAnywhere32(0x088 + payload_base, 0xd63f0100); 223 | WriteAnywhere32(0x08c + payload_base, 0x90000016); 224 | WriteAnywhere32(0x090 + payload_base, 0x90000008); 225 | WriteAnywhere32(0x094 + payload_base, 0xf942fec9); 226 | WriteAnywhere32(0x098 + payload_base, 0xf9429101); 227 | WriteAnywhere32(0x09c + payload_base, 0x910083e0); 228 | WriteAnywhere32(0x0a0 + payload_base, 0xd63f0120); 229 | WriteAnywhere32(0x0a4 + payload_base, 0x34fffd60); 230 | WriteAnywhere32(0x0a8 + payload_base, 0x90000009); 231 | WriteAnywhere32(0x0ac + payload_base, 0xf942fec8); 232 | WriteAnywhere32(0x0b0 + payload_base, 0xf9429521); 233 | WriteAnywhere32(0x0b4 + payload_base, 0x910083e0); 234 | WriteAnywhere32(0x0b8 + payload_base, 0xd63f0100); 235 | WriteAnywhere32(0x0bc + payload_base, 0x34fffca0); 236 | WriteAnywhere32(0x0c0 + payload_base, 0x90000009); 237 | WriteAnywhere32(0x0c4 + payload_base, 0xf942fec8); 238 | WriteAnywhere32(0x0c8 + payload_base, 0xf9429921); 239 | WriteAnywhere32(0x0cc + payload_base, 0x910083e0); 240 | WriteAnywhere32(0x0d0 + payload_base, 0xd63f0100); 241 | WriteAnywhere32(0x0d4 + payload_base, 0x34fffbe0); 242 | WriteAnywhere32(0x0d8 + payload_base, 0x90000009); 243 | WriteAnywhere32(0x0dc + payload_base, 0xf942fec8); 244 | WriteAnywhere32(0x0e0 + payload_base, 0xf9429d21); 245 | WriteAnywhere32(0x0e4 + payload_base, 0x910083e0); 246 | WriteAnywhere32(0x0e8 + payload_base, 0xd63f0100); 247 | WriteAnywhere32(0x0ec + payload_base, 0x34fffb20); 248 | WriteAnywhere32(0x0f0 + payload_base, 0x90000009); 249 | WriteAnywhere32(0x0f4 + payload_base, 0xf942fec8); 250 | WriteAnywhere32(0x0f8 + payload_base, 0xf942a121); 251 | WriteAnywhere32(0x0fc + payload_base, 0x910083e0); 252 | WriteAnywhere32(0x100 + payload_base, 0xd63f0100); 253 | WriteAnywhere32(0x104 + payload_base, 0x34fffa60); 254 | WriteAnywhere32(0x108 + payload_base, 0x90000009); 255 | WriteAnywhere32(0x10c + payload_base, 0xf942fec8); 256 | WriteAnywhere32(0x110 + payload_base, 0xf942a521); 257 | WriteAnywhere32(0x114 + payload_base, 0x910083e0); 258 | WriteAnywhere32(0x118 + payload_base, 0xd63f0100); 259 | WriteAnywhere32(0x11c + payload_base, 0x34fff9a0); 260 | WriteAnywhere32(0x120 + payload_base, 0x90000009); 261 | WriteAnywhere32(0x124 + payload_base, 0xf942fec8); 262 | WriteAnywhere32(0x128 + payload_base, 0xf942a921); 263 | WriteAnywhere32(0x12c + payload_base, 0x910083e0); 264 | WriteAnywhere32(0x130 + payload_base, 0xd63f0100); 265 | WriteAnywhere32(0x134 + payload_base, 0x34fff8e0); 266 | WriteAnywhere32(0x138 + payload_base, 0x90000009); 267 | WriteAnywhere32(0x13c + payload_base, 0xf942fec8); 268 | WriteAnywhere32(0x140 + payload_base, 0xf942ad21); 269 | WriteAnywhere32(0x144 + payload_base, 0x910083e0); 270 | WriteAnywhere32(0x148 + payload_base, 0xd63f0100); 271 | WriteAnywhere32(0x14c + payload_base, 0x34fff820); 272 | WriteAnywhere32(0x150 + payload_base, 0x90000009); 273 | WriteAnywhere32(0x154 + payload_base, 0xf942fec8); 274 | WriteAnywhere32(0x158 + payload_base, 0xf942b121); 275 | WriteAnywhere32(0x15c + payload_base, 0x910083e0); 276 | WriteAnywhere32(0x160 + payload_base, 0xd63f0100); 277 | WriteAnywhere32(0x164 + payload_base, 0x34fff760); 278 | WriteAnywhere32(0x168 + payload_base, 0x90000009); 279 | WriteAnywhere32(0x16c + payload_base, 0xf942fec8); 280 | WriteAnywhere32(0x170 + payload_base, 0xf942b521); 281 | WriteAnywhere32(0x174 + payload_base, 0x910083e0); 282 | WriteAnywhere32(0x178 + payload_base, 0xd63f0100); 283 | WriteAnywhere32(0x17c + payload_base, 0x34fff6a0); 284 | WriteAnywhere32(0x180 + payload_base, 0x90000009); 285 | WriteAnywhere32(0x184 + payload_base, 0xf942fec8); 286 | WriteAnywhere32(0x188 + payload_base, 0xf942b921); 287 | WriteAnywhere32(0x18c + payload_base, 0x910083e0); 288 | WriteAnywhere32(0x190 + payload_base, 0xd63f0100); 289 | WriteAnywhere32(0x194 + payload_base, 0x34fff5e0); 290 | WriteAnywhere32(0x198 + payload_base, 0x90000009); 291 | WriteAnywhere32(0x19c + payload_base, 0xf942fec8); 292 | WriteAnywhere32(0x1a0 + payload_base, 0xf942bd21); 293 | WriteAnywhere32(0x1a4 + payload_base, 0x910083e0); 294 | WriteAnywhere32(0x1a8 + payload_base, 0xd63f0100); 295 | WriteAnywhere32(0x1ac + payload_base, 0x34fff520); 296 | WriteAnywhere32(0x1b0 + payload_base, 0x90000009); 297 | WriteAnywhere32(0x1b4 + payload_base, 0xf942fec8); 298 | WriteAnywhere32(0x1b8 + payload_base, 0xf942c121); 299 | WriteAnywhere32(0x1bc + payload_base, 0x910083e0); 300 | WriteAnywhere32(0x1c0 + payload_base, 0xd63f0100); 301 | WriteAnywhere32(0x1c4 + payload_base, 0x34fff460); 302 | WriteAnywhere32(0x1c8 + payload_base, 0x90000009); 303 | WriteAnywhere32(0x1cc + payload_base, 0xf942fec8); 304 | WriteAnywhere32(0x1d0 + payload_base, 0xf942c521); 305 | WriteAnywhere32(0x1d4 + payload_base, 0x910083e0); 306 | WriteAnywhere32(0x1d8 + payload_base, 0xd63f0100); 307 | WriteAnywhere32(0x1dc + payload_base, 0x34fff3a0); 308 | WriteAnywhere32(0x1e0 + payload_base, 0x90000009); 309 | WriteAnywhere32(0x1e4 + payload_base, 0xf942fec8); 310 | WriteAnywhere32(0x1e8 + payload_base, 0xf942c921); 311 | WriteAnywhere32(0x1ec + payload_base, 0x910083e0); 312 | WriteAnywhere32(0x1f0 + payload_base, 0xd63f0100); 313 | WriteAnywhere32(0x1f4 + payload_base, 0x34fff2e0); 314 | WriteAnywhere32(0x1f8 + payload_base, 0x90000009); 315 | WriteAnywhere32(0x1fc + payload_base, 0xf942fec8); 316 | WriteAnywhere32(0x200 + payload_base, 0xf942cd21); 317 | WriteAnywhere32(0x204 + payload_base, 0x910083e0); 318 | WriteAnywhere32(0x208 + payload_base, 0xd63f0100); 319 | WriteAnywhere32(0x20c + payload_base, 0x34fff220); 320 | WriteAnywhere32(0x210 + payload_base, 0x90000009); 321 | WriteAnywhere32(0x214 + payload_base, 0xf942fec8); 322 | WriteAnywhere32(0x218 + payload_base, 0xf942d121); 323 | WriteAnywhere32(0x21c + payload_base, 0x910083e0); 324 | WriteAnywhere32(0x220 + payload_base, 0xd63f0100); 325 | WriteAnywhere32(0x224 + payload_base, 0x34fff160); 326 | WriteAnywhere32(0x228 + payload_base, 0x90000009); 327 | WriteAnywhere32(0x22c + payload_base, 0xf942fec8); 328 | WriteAnywhere32(0x230 + payload_base, 0xf942d521); 329 | WriteAnywhere32(0x234 + payload_base, 0x910083e0); 330 | WriteAnywhere32(0x238 + payload_base, 0xd63f0100); 331 | WriteAnywhere32(0x23c + payload_base, 0x34fff0a0); 332 | WriteAnywhere32(0x240 + payload_base, 0x90000009); 333 | WriteAnywhere32(0x244 + payload_base, 0xf942fec8); 334 | WriteAnywhere32(0x248 + payload_base, 0xf942d921); 335 | WriteAnywhere32(0x24c + payload_base, 0x910083e0); 336 | WriteAnywhere32(0x250 + payload_base, 0xd63f0100); 337 | WriteAnywhere32(0x254 + payload_base, 0x34ffefe0); 338 | WriteAnywhere32(0x258 + payload_base, 0x90000009); 339 | WriteAnywhere32(0x25c + payload_base, 0xf942fec8); 340 | WriteAnywhere32(0x260 + payload_base, 0xf942dd21); 341 | WriteAnywhere32(0x264 + payload_base, 0x910083e0); 342 | WriteAnywhere32(0x268 + payload_base, 0xd63f0100); 343 | WriteAnywhere32(0x26c + payload_base, 0x34ffef20); 344 | WriteAnywhere32(0x270 + payload_base, 0x90000009); 345 | WriteAnywhere32(0x274 + payload_base, 0xf942fec8); 346 | WriteAnywhere32(0x278 + payload_base, 0xf942e121); 347 | WriteAnywhere32(0x27c + payload_base, 0x910083e0); 348 | WriteAnywhere32(0x280 + payload_base, 0xd63f0100); 349 | WriteAnywhere32(0x284 + payload_base, 0x34ffee60); 350 | WriteAnywhere32(0x288 + payload_base, 0x90000009); 351 | WriteAnywhere32(0x28c + payload_base, 0xf942fec8); 352 | WriteAnywhere32(0x290 + payload_base, 0xf942e521); 353 | WriteAnywhere32(0x294 + payload_base, 0x910083e0); 354 | WriteAnywhere32(0x298 + payload_base, 0xd63f0100); 355 | WriteAnywhere32(0x29c + payload_base, 0x34ffeda0); 356 | WriteAnywhere32(0x2a0 + payload_base, 0x90000009); 357 | WriteAnywhere32(0x2a4 + payload_base, 0xf942fec8); 358 | WriteAnywhere32(0x2a8 + payload_base, 0xf942e921); 359 | WriteAnywhere32(0x2ac + payload_base, 0x910083e0); 360 | WriteAnywhere32(0x2b0 + payload_base, 0xd63f0100); 361 | WriteAnywhere32(0x2b4 + payload_base, 0x34ffece0); 362 | WriteAnywhere32(0x2b8 + payload_base, 0x90000008); 363 | WriteAnywhere32(0x2bc + payload_base, 0xf942f508); 364 | WriteAnywhere32(0x2c0 + payload_base, 0xaa1503e0); 365 | WriteAnywhere32(0x2c4 + payload_base, 0xaa1403e1); 366 | WriteAnywhere32(0x2c8 + payload_base, 0xaa1303e2); 367 | WriteAnywhere32(0x2cc + payload_base, 0xd63f0100); 368 | WriteAnywhere32(0x2d0 + payload_base, 0x93407c00); 369 | WriteAnywhere32(0x2d4 + payload_base, 0x17ffff60); 370 | 371 | 372 | // Section __cstring 373 | // Range: [0x2d8; 0x51e[ (582 bytes) 374 | WriteAnywhere32(0x2d8 + payload_base, 0x6573552f); 375 | WriteAnywhere32(0x2dc + payload_base, 0x622f0072); 376 | WriteAnywhere32(0x2e0 + payload_base, 0x00746f6f); 377 | WriteAnywhere32(0x2e4 + payload_base, 0x62696c2f); 378 | WriteAnywhere32(0x2e8 + payload_base, 0x6e6d2f00); 379 | WriteAnywhere32(0x2ec + payload_base, 0x412f0074); 380 | WriteAnywhere32(0x2f0 + payload_base, 0x696c7070); 381 | WriteAnywhere32(0x2f4 + payload_base, 0x69746163); 382 | WriteAnywhere32(0x2f8 + payload_base, 0x2f736e6f); 383 | WriteAnywhere32(0x2fc + payload_base, 0x69647943); 384 | WriteAnywhere32(0x300 + payload_base, 0x70612e61); 385 | WriteAnywhere32(0x304 + payload_base, 0x702f0070); 386 | WriteAnywhere32(0x308 + payload_base, 0x61766972); 387 | WriteAnywhere32(0x30c + payload_base, 0x762f6574); 388 | WriteAnywhere32(0x310 + payload_base, 0x6c2f7261); 389 | WriteAnywhere32(0x314 + payload_base, 0x2f006269); 390 | WriteAnywhere32(0x318 + payload_base, 0x2f726176); 391 | WriteAnywhere32(0x31c + payload_base, 0x0062696c); 392 | WriteAnywhere32(0x320 + payload_base, 0x6972702f); 393 | WriteAnywhere32(0x324 + payload_base, 0x65746176); 394 | WriteAnywhere32(0x328 + payload_base, 0x7261762f); 395 | WriteAnywhere32(0x32c + payload_base, 0x626f6d2f); 396 | WriteAnywhere32(0x330 + payload_base, 0x2f656c69); 397 | WriteAnywhere32(0x334 + payload_base, 0x7262694c); 398 | WriteAnywhere32(0x338 + payload_base, 0x2f797261); 399 | WriteAnywhere32(0x33c + payload_base, 0x68636143); 400 | WriteAnywhere32(0x340 + payload_base, 0x632f7365); 401 | WriteAnywhere32(0x344 + payload_base, 0x732e6d6f); 402 | WriteAnywhere32(0x348 + payload_base, 0x69727561); 403 | WriteAnywhere32(0x34c + payload_base, 0x79432e6b); 404 | WriteAnywhere32(0x350 + payload_base, 0x00616964); 405 | WriteAnywhere32(0x354 + payload_base, 0x7261762f); 406 | WriteAnywhere32(0x358 + payload_base, 0x626f6d2f); 407 | WriteAnywhere32(0x35c + payload_base, 0x2f656c69); 408 | WriteAnywhere32(0x360 + payload_base, 0x7262694c); 409 | WriteAnywhere32(0x364 + payload_base, 0x2f797261); 410 | WriteAnywhere32(0x368 + payload_base, 0x68636143); 411 | WriteAnywhere32(0x36c + payload_base, 0x632f7365); 412 | WriteAnywhere32(0x370 + payload_base, 0x732e6d6f); 413 | WriteAnywhere32(0x374 + payload_base, 0x69727561); 414 | WriteAnywhere32(0x378 + payload_base, 0x79432e6b); 415 | WriteAnywhere32(0x37c + payload_base, 0x00616964); 416 | WriteAnywhere32(0x380 + payload_base, 0x6972702f); 417 | WriteAnywhere32(0x384 + payload_base, 0x65746176); 418 | WriteAnywhere32(0x388 + payload_base, 0x6374652f); 419 | WriteAnywhere32(0x38c + payload_base, 0x6873732f); 420 | WriteAnywhere32(0x390 + payload_base, 0x694c2f00); 421 | WriteAnywhere32(0x394 + payload_base, 0x72617262); 422 | WriteAnywhere32(0x398 + payload_base, 0x6f4d2f79); 423 | WriteAnywhere32(0x39c + payload_base, 0x656c6962); 424 | WriteAnywhere32(0x3a0 + payload_base, 0x73627553); 425 | WriteAnywhere32(0x3a4 + payload_base, 0x74617274); 426 | WriteAnywhere32(0x3a8 + payload_base, 0x4c2f0065); 427 | WriteAnywhere32(0x3ac + payload_base, 0x61726269); 428 | WriteAnywhere32(0x3b0 + payload_base, 0x462f7972); 429 | WriteAnywhere32(0x3b4 + payload_base, 0x656d6172); 430 | WriteAnywhere32(0x3b8 + payload_base, 0x6b726f77); 431 | WriteAnywhere32(0x3bc + payload_base, 0x79432f73); 432 | WriteAnywhere32(0x3c0 + payload_base, 0x53616964); 433 | WriteAnywhere32(0x3c4 + payload_base, 0x74736275); 434 | WriteAnywhere32(0x3c8 + payload_base, 0x65746172); 435 | WriteAnywhere32(0x3cc + payload_base, 0x6172662e); 436 | WriteAnywhere32(0x3d0 + payload_base, 0x6f77656d); 437 | WriteAnywhere32(0x3d4 + payload_base, 0x2f006b72); 438 | WriteAnywhere32(0x3d8 + payload_base, 0x76697270); 439 | WriteAnywhere32(0x3dc + payload_base, 0x2f657461); 440 | WriteAnywhere32(0x3e0 + payload_base, 0x2f726176); 441 | WriteAnywhere32(0x3e4 + payload_base, 0x732f6264); 442 | WriteAnywhere32(0x3e8 + payload_base, 0x68736174); 443 | WriteAnywhere32(0x3ec + payload_base, 0x61762f00); 444 | WriteAnywhere32(0x3f0 + payload_base, 0x62642f72); 445 | WriteAnywhere32(0x3f4 + payload_base, 0x6174732f); 446 | WriteAnywhere32(0x3f8 + payload_base, 0x2f006873); 447 | WriteAnywhere32(0x3fc + payload_base, 0x76697270); 448 | WriteAnywhere32(0x400 + payload_base, 0x2f657461); 449 | WriteAnywhere32(0x404 + payload_base, 0x2f726176); 450 | WriteAnywhere32(0x408 + payload_base, 0x73617473); 451 | WriteAnywhere32(0x40c + payload_base, 0x762f0068); 452 | WriteAnywhere32(0x410 + payload_base, 0x732f7261); 453 | WriteAnywhere32(0x414 + payload_base, 0x68736174); 454 | WriteAnywhere32(0x418 + payload_base, 0x73752f00); 455 | WriteAnywhere32(0x41c + payload_base, 0x696c2f72); 456 | WriteAnywhere32(0x420 + payload_base, 0x696c2f62); 457 | WriteAnywhere32(0x424 + payload_base, 0x62757362); 458 | WriteAnywhere32(0x428 + payload_base, 0x61727473); 459 | WriteAnywhere32(0x42c + payload_base, 0x642e6574); 460 | WriteAnywhere32(0x430 + payload_base, 0x62696c79); 461 | WriteAnywhere32(0x434 + payload_base, 0x694c2f00); 462 | WriteAnywhere32(0x438 + payload_base, 0x72617262); 463 | WriteAnywhere32(0x43c + payload_base, 0x72422f79); 464 | WriteAnywhere32(0x440 + payload_base, 0x546b6165); 465 | WriteAnywhere32(0x444 + payload_base, 0x756f7268); 466 | WriteAnywhere32(0x448 + payload_base, 0x2f006867); 467 | WriteAnywhere32(0x44c + payload_base, 0x7262694c); 468 | WriteAnywhere32(0x450 + payload_base, 0x2f797261); 469 | WriteAnywhere32(0x454 + payload_base, 0x66657250); 470 | WriteAnywhere32(0x458 + payload_base, 0x6e657265); 471 | WriteAnywhere32(0x45c + payload_base, 0x6f4c6563); 472 | WriteAnywhere32(0x460 + payload_base, 0x72656461); 473 | WriteAnywhere32(0x464 + payload_base, 0x6572502f); 474 | WriteAnywhere32(0x468 + payload_base, 0x65726566); 475 | WriteAnywhere32(0x46c + payload_base, 0x7365636e); 476 | WriteAnywhere32(0x470 + payload_base, 0x62694c2f); 477 | WriteAnywhere32(0x474 + payload_base, 0x79747265); 478 | WriteAnywhere32(0x478 + payload_base, 0x66657250); 479 | WriteAnywhere32(0x47c + payload_base, 0x696c702e); 480 | WriteAnywhere32(0x480 + payload_base, 0x2f007473); 481 | WriteAnywhere32(0x484 + payload_base, 0x6c707041); 482 | WriteAnywhere32(0x488 + payload_base, 0x74616369); 483 | WriteAnywhere32(0x48c + payload_base, 0x736e6f69); 484 | WriteAnywhere32(0x490 + payload_base, 0x656c462f); 485 | WriteAnywhere32(0x494 + payload_base, 0x70612e78); 486 | WriteAnywhere32(0x498 + payload_base, 0x4c2f0070); 487 | WriteAnywhere32(0x49c + payload_base, 0x61726269); 488 | WriteAnywhere32(0x4a0 + payload_base, 0x502f7972); 489 | WriteAnywhere32(0x4a4 + payload_base, 0x65666572); 490 | WriteAnywhere32(0x4a8 + payload_base, 0x636e6572); 491 | WriteAnywhere32(0x4ac + payload_base, 0x616f4c65); 492 | WriteAnywhere32(0x4b0 + payload_base, 0x2f726564); 493 | WriteAnywhere32(0x4b4 + payload_base, 0x66657250); 494 | WriteAnywhere32(0x4b8 + payload_base, 0x6e657265); 495 | WriteAnywhere32(0x4bc + payload_base, 0x2f736563); 496 | WriteAnywhere32(0x4c0 + payload_base, 0x75536f4e); 497 | WriteAnywhere32(0x4c4 + payload_base, 0x69747362); 498 | WriteAnywhere32(0x4c8 + payload_base, 0x65747574); 499 | WriteAnywhere32(0x4cc + payload_base, 0x696c702e); 500 | WriteAnywhere32(0x4d0 + payload_base, 0x2f007473); 501 | WriteAnywhere32(0x4d4 + payload_base, 0x76697270); 502 | WriteAnywhere32(0x4d8 + payload_base, 0x2f657461); 503 | WriteAnywhere32(0x4dc + payload_base, 0x2f726176); 504 | WriteAnywhere32(0x4e0 + payload_base, 0x69626f6d); 505 | WriteAnywhere32(0x4e4 + payload_base, 0x4c2f656c); 506 | WriteAnywhere32(0x4e8 + payload_base, 0x61726269); 507 | WriteAnywhere32(0x4ec + payload_base, 0x462f7972); 508 | WriteAnywhere32(0x4f0 + payload_base, 0x3378656c); 509 | WriteAnywhere32(0x4f4 + payload_base, 0x61762f00); 510 | WriteAnywhere32(0x4f8 + payload_base, 0x6f6d2f72); 511 | WriteAnywhere32(0x4fc + payload_base, 0x656c6962); 512 | WriteAnywhere32(0x500 + payload_base, 0x62694c2f); 513 | WriteAnywhere32(0x504 + payload_base, 0x79726172); 514 | WriteAnywhere32(0x508 + payload_base, 0x656c462f); 515 | WriteAnywhere32(0x50c + payload_base, 0x5b003378); 516 | WriteAnywhere32(0x510 + payload_base, 0x3a5d7325); 517 | WriteAnywhere32(0x514 + payload_base, 0x0a732520); 518 | WriteAnywhere32(0x518 + payload_base, 0x61747300); 519 | WriteAnywhere32(0x51c + payload_base, 0x00000074); 520 | 521 | // Section __data 522 | // Range: [0x520; 0x608[ (232 bytes) 523 | WriteAnywhere64(0x520 + payload_base, 0x00000000000002d8 + payload_base); 524 | WriteAnywhere64(0x528 + payload_base, 0x00000000000002de + payload_base); 525 | WriteAnywhere64(0x530 + payload_base, 0x00000000000002e4 + payload_base); 526 | WriteAnywhere64(0x538 + payload_base, 0x00000000000002e9 + payload_base); 527 | WriteAnywhere64(0x540 + payload_base, 0x00000000000002ee + payload_base); 528 | WriteAnywhere64(0x548 + payload_base, 0x0000000000000306 + payload_base); 529 | WriteAnywhere64(0x550 + payload_base, 0x0000000000000317 + payload_base); 530 | WriteAnywhere64(0x558 + payload_base, 0x0000000000000320 + payload_base); 531 | WriteAnywhere64(0x560 + payload_base, 0x0000000000000354 + payload_base); 532 | WriteAnywhere64(0x568 + payload_base, 0x0000000000000380 + payload_base); 533 | WriteAnywhere64(0x570 + payload_base, 0x0000000000000391 + payload_base); 534 | WriteAnywhere64(0x578 + payload_base, 0x00000000000003aa + payload_base); 535 | WriteAnywhere64(0x580 + payload_base, 0x00000000000003d7 + payload_base); 536 | WriteAnywhere64(0x588 + payload_base, 0x00000000000003ed + payload_base); 537 | WriteAnywhere64(0x590 + payload_base, 0x00000000000003fb + payload_base); 538 | WriteAnywhere64(0x598 + payload_base, 0x000000000000040e + payload_base); 539 | WriteAnywhere64(0x5a0 + payload_base, 0x0000000000000419 + payload_base); 540 | WriteAnywhere64(0x5a8 + payload_base, 0x0000000000000435 + payload_base); 541 | WriteAnywhere64(0x5b0 + payload_base, 0x000000000000044b + payload_base); 542 | WriteAnywhere64(0x5b8 + payload_base, 0x0000000000000483 + payload_base); 543 | WriteAnywhere64(0x5c0 + payload_base, 0x000000000000049a + payload_base); 544 | WriteAnywhere64(0x5c8 + payload_base, 0x00000000000004d3 + payload_base); 545 | WriteAnywhere64(0x5d0 + payload_base, 0x00000000000004f5 + payload_base); 546 | WriteAnywhere64(0x5d8 + payload_base, 0x000000000000050f + payload_base); 547 | WriteAnywhere64(0x5e0 + payload_base, 0x0000000000000519 + payload_base); 548 | WriteAnywhere64(0x5e8 + payload_base, orig_stat); // _orig_stat 549 | WriteAnywhere64(0x5f0 + payload_base, copyinstr_ptr); // _copyinstr 550 | WriteAnywhere64(0x5f8 + payload_base, strcmp_ptr); // _strcmp 551 | WriteAnywhere64(0x600 + payload_base, IOLog_ptr); // _IOLog 552 | 553 | err = mach_vm_protect(tfp0, payload_base, isvad == 0 ? 0x4000 : 0x1000, 0, VM_PROT_READ|VM_PROT_EXECUTE); 554 | printf("vm_protect: 0x%d\n", err); 555 | sleep(1); 556 | 557 | RemapPage(sysent_stat_addr); 558 | printf("0x%016llx -> 0x%016llx\n", sysent_stat_addr, NewPointer(sysent_stat_addr)); 559 | printf("patching kernel...\n"); 560 | WriteAnywhere64(NewPointer(sysent_stat_addr), payload_base); 561 | 562 | } 563 | 564 | } 565 | 566 | int main(){ 567 | 568 | uint64_t kbase; 569 | uint64_t kslide; 570 | 571 | tfp0 = get_kernel_task(); 572 | kbase = get_kernel_base(tfp0); 573 | kslide = kbase - KERNEL_SEARCH_ADDRESS; 574 | printf("kernel base: 0x%016llx\n", kbase); 575 | printf("kslide: 0x%016llx\n", kslide); 576 | 577 | kpp(0, kbase, kslide); 578 | 579 | printf("well done??\n"); 580 | 581 | return 0; 582 | } 583 | -------------------------------------------------------------------------------- /kernel/tfp0.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | get-task-allow 6 | 7 | run-unsigned-code 8 | 9 | task_for_pid-allow 10 | 11 | 12 | 13 | --------------------------------------------------------------------------------