├── LICENSE ├── README.md ├── build ├── Makefile ├── afterinstall.sh └── beforeremove.sh └── src ├── Makefile ├── colors.h ├── helpers.c ├── helpers.h ├── helpers.o ├── main.c ├── main.h ├── main.o ├── shareenum ├── smb.c ├── smb.h ├── smb.o ├── smbresult.c ├── smbresult.h └── smbresult.o /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 | shareenum Copyright (C) 2014 Lucas Morris and Crowe Horwath LLP 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 | shareenum 2 | == 3 | 4 | This is a tool that attempts to enumerate the permissions shares, directories, and files on Microsoft Windows systems. Using an implementation of the Samba (http://www.samba.org/) libsmbclient libraries this tool makes a SMB connection to a host and recursively gathers information over the file and directory entities, compared to several other share enumeration tools that use RPC calls to gather similar information. Both ways work, this was a bit easier to implement and ends up being a lot faster. 5 | 6 | ```sh 7 | shareenum -o output.csv -u DOMAIN\\username -p Password1 192.168.1.1 8 | ``` 9 | 10 | License 11 | -- 12 | This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. 13 | 14 | This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 15 | 16 | You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/ 17 | 18 | Command Line Arguments 19 | -- 20 | Usage: shareenum -o FILE TARGET 21 | 22 | | Option | Description | Default | 23 | | --- | --- | --- | 24 | | TARGET | Full path or a file of paths to list the shares, files and directories within. Can be just an IP, a hostname, or even a full path inside a share, such as smb://COOL-DC.DOMAIN/NETLOGON. | | 25 | |-o FILE | File to write results to in CSV format. | | 26 | |-u USER | Username, otherwise go anonymous. If using a domain, it should be in the format of DOMAIN\\user. | Null Session | 27 | |-p PASS | Password, otherwise go anonymous. This can be a NTLM has in the format LMHASH:NTLMHASH. If so, we'll pass the hash. | Null Session | 28 | |-r NUM | How many levels into the share or directory should we go. Depending on the setting, this can pull a listing of every file and directory. | No Recursion | 29 | |-t NUM | Seconds to wait before connection timeout. | 3 seconds | 30 | |-s NUM | In the event that the scan needs restarted, skip the first NUM lines in the input file. All output will be appended to the output file so previous results will not be lost. | First Line | 31 | |-d NUM | How many seconds should we wait between each target. | No Delay | 32 | 33 | > TARGET and FILE are required. 34 | 35 | Download 36 | -- 37 | We have provided deb binary files for Kali Linux to aid with installation. These binary files include both shareenum itself, as well as the correct Samba versions of the libraries to allow Shareenum to execute. You can download the latest releases here: 38 | 39 | https://github.com/emperorcow/shareenum/releases 40 | 41 | Installation 42 | -- 43 | To install these binaries, its as simple as: 44 | 45 | ```sh 46 | dpkg -i shareenum_version.deb 47 | ``` 48 | 49 | Make sure that you get the correct version for your system (i386 for 32bit and amd64 for 64bit). 50 | 51 | 52 | -------------------------------------------------------------------------------- /build/Makefile: -------------------------------------------------------------------------------- 1 | GIT_VERSION := $(shell git describe --abbrev=4 --dirty --always) 2 | SAMBAROOT=/usr/local/samba/lib 3 | BINFILE=../src/shareenum 4 | DSTDIR=/usr/local/shareenum 5 | 6 | install: 7 | mkdir -p $(DSTDIR)/bin/ 8 | cp $(BINFILE) $(DSTDIR)/bin/ 9 | 10 | deb: 11 | fpm -s dir -t deb -n "shareenum" -v $(GIT_VERSION) --before-remove beforeremove.sh --after-install afterinstall.sh --url https://github.com/emperorcow/shareenum --description "Tool for gathering permissions from MS shares" $(DSTDIR)/ 12 | 13 | libprep: 14 | mkdir -p $(DSTDIR)/lib/ 15 | cp /usr/lib/x86_64-linux-gnu/libsmbclient.so.0 $(DSTDIR)/lib/ 16 | cp /usr/lib/x86_64-linux-gnu/libsamba-util.so.0 $(DSTDIR)/lib/ 17 | cp $(SAMBAROOT)/private/libreplace.so $(DSTDIR)/lib/ 18 | cp $(SAMBAROOT)/private/libmsrpc3.so $(DSTDIR)/lib/ 19 | cp $(SAMBAROOT)/private/liblibcli_lsa3.so $(DSTDIR)/lib/ 20 | cp $(SAMBAROOT)/private/liblibsmb.so $(DSTDIR)/lib/ 21 | cp $(SAMBAROOT)/private/libsamba-security.so $(DSTDIR)/lib/ 22 | cp $(SAMBAROOT)/private/liberrors.so $(DSTDIR)/lib/ 23 | cp $(SAMBAROOT)/libsmbconf.so.0 $(DSTDIR)/lib/ 24 | cp $(SAMBAROOT)/libndr.so.0 $(DSTDIR)/lib/ 25 | cp $(SAMBAROOT)/private/libgse.so $(DSTDIR)/lib/ 26 | cp $(SAMBAROOT)/libndr-standard.so.0 $(DSTDIR)/lib/ 27 | cp $(SAMBAROOT)/private/libdcerpc-samba.so $(DSTDIR)/lib/ 28 | cp $(SAMBAROOT)/private/libcli_smb_common.so $(DSTDIR)/lib/ 29 | cp $(SAMBAROOT)/private/libutil_cmdline.so $(DSTDIR)/lib/ 30 | cp $(SAMBAROOT)/private/libsmbregistry.so $(DSTDIR)/lib/ 31 | cp $(SAMBAROOT)/private/libsecrets3.so $(DSTDIR)/lib/ 32 | cp $(SAMBAROOT)/private/libtevent.so.0 $(DSTDIR)/lib/ 33 | cp $(SAMBAROOT)/private/libndr-samba.so $(DSTDIR)/lib/ 34 | cp $(SAMBAROOT)/libsamba-credentials.so.0 $(DSTDIR)/lib/ 35 | cp $(SAMBAROOT)/private/libsamba-sockets.so $(DSTDIR)/lib/ 36 | cp $(SAMBAROOT)/libdcerpc-binding.so.0 $(DSTDIR)/lib/ 37 | cp $(SAMBAROOT)/private/libcliauth.so $(DSTDIR)/lib/ 38 | cp $(SAMBAROOT)/libgensec.so.0 $(DSTDIR)/lib/ 39 | cp $(SAMBAROOT)/libtevent-util.so.0 $(DSTDIR)/lib/ 40 | cp $(SAMBAROOT)/private/libsamba3-util.so $(DSTDIR)/lib/ 41 | cp $(SAMBAROOT)/libwbclient.so.0 $(DSTDIR)/lib/ 42 | cp $(SAMBAROOT)/private/libcli_cldap.so $(DSTDIR)/lib/ 43 | cp $(SAMBAROOT)/private/libkrb5samba.so $(DSTDIR)/lib/ 44 | cp $(SAMBAROOT)/private/libcom_err-samba4.so.0 $(DSTDIR)/lib/ 45 | cp $(SAMBAROOT)/private/libasn1util.so $(DSTDIR)/lib/ 46 | cp $(SAMBAROOT)/libsamba-hostconfig.so.0 $(DSTDIR)/lib/ 47 | cp $(SAMBAROOT)/libndr-nbt.so.0 $(DSTDIR)/lib/ 48 | cp $(SAMBAROOT)/private/libsmb_transport.so $(DSTDIR)/lib/ 49 | cp $(SAMBAROOT)/private/libCHARSET3.so $(DSTDIR)/lib/ 50 | cp $(SAMBAROOT)/private/libinterfaces.so $(DSTDIR)/lib/ 51 | cp $(SAMBAROOT)/private/libccan.so $(DSTDIR)/lib/ 52 | cp $(SAMBAROOT)/private/libdbwrap.so $(DSTDIR)/lib/ 53 | cp $(SAMBAROOT)/private/libutil_tdb.so $(DSTDIR)/lib/ 54 | cp $(SAMBAROOT)/private/libutil_reg.so $(DSTDIR)/lib/ 55 | cp $(SAMBAROOT)/private/libsmbd_shim.so $(DSTDIR)/lib/ 56 | cp $(SAMBAROOT)/private/libutil_setid.so $(DSTDIR)/lib/ 57 | cp $(SAMBAROOT)/private/libtdb-wrap.so $(DSTDIR)/lib/ 58 | cp $(SAMBAROOT)/private/libserver-role.so $(DSTDIR)/lib/ 59 | cp $(SAMBAROOT)/private/libkrb5-samba4.so.26 $(DSTDIR)/lib/ 60 | cp $(SAMBAROOT)/private/libaddns.so $(DSTDIR)/lib/ 61 | cp $(SAMBAROOT)/private/libgssapi-samba4.so.2 $(DSTDIR)/lib/ 62 | cp $(SAMBAROOT)/private/libauthkrb5.so $(DSTDIR)/lib/ 63 | cp $(SAMBAROOT)/private/libcli-nbt.so $(DSTDIR)/lib/ 64 | cp $(SAMBAROOT)/private/libldb.so.1 $(DSTDIR)/lib/ 65 | cp $(SAMBAROOT)/private/libsamdb-common.so $(DSTDIR)/lib/ 66 | cp $(SAMBAROOT)/private/libldbsamba.so $(DSTDIR)/lib/ 67 | cp $(SAMBAROOT)/private/libsamba-modules.so $(DSTDIR)/lib/ 68 | cp $(SAMBAROOT)/libsamdb.so.0 $(DSTDIR)/lib/ 69 | cp $(SAMBAROOT)/private/libwinbind-client.so $(DSTDIR)/lib/ 70 | cp $(SAMBAROOT)/private/libcli-ldap-common.so $(DSTDIR)/lib/ 71 | cp $(SAMBAROOT)/private/libasn1-samba4.so.8 $(DSTDIR)/lib/ 72 | cp $(SAMBAROOT)/private/libutil_ntdb.so $(DSTDIR)/lib/ 73 | cp $(SAMBAROOT)/private/libntdb.so.0 $(DSTDIR)/lib/ 74 | cp $(SAMBAROOT)/private/libheimbase-samba4.so.1 $(DSTDIR)/lib/ 75 | cp $(SAMBAROOT)/private/libhx509-samba4.so.5 $(DSTDIR)/lib/ 76 | cp $(SAMBAROOT)/private/libhcrypto-samba4.so.5 $(DSTDIR)/lib/ 77 | cp $(SAMBAROOT)/private/libroken-samba4.so.19 $(DSTDIR)/lib/ 78 | cp $(SAMBAROOT)/private/libwind-samba4.so.0 $(DSTDIR)/lib/ 79 | cp $(SAMBAROOT)/libndr-krb5pac.so.0 $(DSTDIR)/lib/ 80 | cp $(SAMBAROOT)/private/libauth_sam_reply.so $(DSTDIR)/lib/ 81 | cp $(SAMBAROOT)/private/libflag_mapping.so $(DSTDIR)/lib/ 82 | cp $(SAMBAROOT)/private/libtdb.so.1 $(DSTDIR)/lib/ 83 | echo "Done." 84 | -------------------------------------------------------------------------------- /build/afterinstall.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | SRC="/usr/local/shareenum/bin/shareenum" 3 | DST="/usr/bin/shareenum" 4 | if [ -f $DST ]; then 5 | rm $DST 6 | fi 7 | ln -s $SRC $DST 8 | -------------------------------------------------------------------------------- /build/beforeremove.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | BINFILE="/usr/bin/shareenum" 3 | if [ -f $BINFILE ]; then 4 | rm /usr/bin/shareenum 5 | fi 6 | -------------------------------------------------------------------------------- /src/Makefile: -------------------------------------------------------------------------------- 1 | GIT_VERSION := $(shell git describe --abbrev=4 --dirty --always) 2 | 3 | CC=gcc 4 | CFLAGS=-DGIT_VERSION=\"$(GIT_VERSION)\" -I. 5 | LDFLAGS=-Wl,-lsmbclient -ltalloc -ltdb -ldl 6 | 7 | SOURCES=helpers.c smbresult.c smb.c main.c 8 | OBJECTS=$(SOURCES:.c=.o) 9 | 10 | all: shareenum 11 | 12 | debug: CFLAGS += -g -O0 -DDEBUG -lresolv 13 | debug: shareenum 14 | 15 | %.o: %.c 16 | $(CC) -c $< -o $@ $(CFLAGS) 17 | 18 | shareenum: $(OBJECTS) 19 | $(CC) -o shareenum $(OBJECTS) $(LDFLAGS) 20 | 21 | clean: 22 | rm shareenum *.o 23 | -------------------------------------------------------------------------------- /src/colors.h: -------------------------------------------------------------------------------- 1 | /* To colorize the output strings we can use "ANSI codes on linux 2 | * Using these defines to make it easier across the board for 3 | * everyone, plus make it easier to change if we want. 4 | */ 5 | 6 | #define ANSI_COLOR_BOLDBLACK "\x1b[1;30m" 7 | #define ANSI_COLOR_BLACK "\x1b[1;30m" 8 | #define ANSI_COLOR_BOLDRED "\x1b[1;31m" 9 | #define ANSI_COLOR_RED "\x1b[0;31m" 10 | #define ANSI_COLOR_BOLDGREEN "\x1b[1;32m" 11 | #define ANSI_COLOR_GREEN "\x1b[0;32m" 12 | #define ANSI_COLOR_BOLDYELLOW "\x1b[1;33m" 13 | #define ANSI_COLOR_YELLOW "\x1b[0;33m" 14 | #define ANSI_COLOR_BOLDBLUE "\x1b[1;34m" 15 | #define ANSI_COLOR_BLUE "\x1b[0;34m" 16 | #define ANSI_COLOR_BOLDMAGENTA "\x1b[1;35m" 17 | #define ANSI_COLOR_MAGENTA "\x1b[0;35m" 18 | #define ANSI_COLOR_BOLDCYAN "\x1b[1;36m" 19 | #define ANSI_COLOR_CYAN "\x1b[0;36m" 20 | #define ANSI_COLOR_BOLDWHITE "\x1b[1;37m" 21 | #define ANSI_COLOR_WHITE "\x1b[1;37m" 22 | #define ANSI_COLOR_RESET "\x1b[0m" 23 | 24 | -------------------------------------------------------------------------------- /src/helpers.c: -------------------------------------------------------------------------------- 1 | #include "helpers.h" 2 | 3 | int file_countlines(FILE * fh ) { 4 | int nlines = 0; 5 | int partial = 0; 6 | char buf[10] = ""; 7 | 8 | //Reset the file back to the beginning so we can count. 9 | rewind(fh); 10 | 11 | //Loop through the file and pull down the size of the buffer. 12 | while ( fgets( buf, sizeof(buf), fh ) != NULL ) { 13 | //If we have a newline char in the buffer, increase the counter 14 | if ( strchr(buf,'\n') ) { 15 | nlines++; 16 | partial = 0; 17 | //Otherwise we need to account for the fact that we may have a 18 | //partial line at the end 19 | } else { 20 | partial = 1; 21 | } 22 | } 23 | 24 | //Return us back to the beginning of the file. Might not be 25 | //the best idea, but this function will not be used in 26 | //this program for doing to the middle of a while. 27 | rewind(fh); 28 | return nlines += partial; 29 | } 30 | 31 | int file_exists(const char * filename) { 32 | //See if we can access the filename. F_OK is just an existence test 33 | //it doesn't check any permissions. 34 | if(access(filename, F_OK) != -1) { 35 | return 1; 36 | } 37 | return 0; 38 | } 39 | 40 | int numdigits(int n) { 41 | int c = 0; 42 | 43 | //Loop until we have no digits left in N. 44 | while(n!=0) { 45 | //Divide by 10 and increment our counter. 46 | n/=10; 47 | ++c; 48 | } 49 | return c; 50 | } 51 | 52 | -------------------------------------------------------------------------------- /src/helpers.h: -------------------------------------------------------------------------------- 1 | #include //Standard GNU IO Lib 2 | #include //"Strings" as if C had them, just helper functions 3 | #include //The GNU Standard Library 4 | #include //Unix system standard libraries 5 | 6 | /* Get the number of lines that are in a file. Attempts to count as 7 | * efficiently as possible and should be somewhat compiler optimized. 8 | * 9 | * PARAMETERS: 10 | * FILE - Pointer to a C file handle. Will be reset to the beginning 11 | * Position of the file after this is run. 12 | * 13 | * RETURN (int): Number of lines in the file. 14 | */ 15 | int file_countlines(FILE * fh); 16 | 17 | /* Determines if a file exists within the filesystem path. 18 | * 19 | * PARAMETERS: 20 | * char * - Pointer to a string containing the path to 21 | * the target file. 22 | * 23 | * RETURN (int): 0 if the file does not exist, 1 if it does. 24 | */ 25 | int file_exists(const char * filename); 26 | 27 | /* Determine the number of digits in an integer 28 | * 29 | * PARAMETERS: 30 | * int - Number to test 31 | * 32 | * RETURN (int): The number of digits in the integer. 33 | */ 34 | int numdigits(int n); 35 | -------------------------------------------------------------------------------- /src/helpers.o: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CroweCybersecurity/shareenum/db728dda2097a759232b9cc860c2dd58dd2360c7/src/helpers.o -------------------------------------------------------------------------------- /src/main.c: -------------------------------------------------------------------------------- 1 | #include "main.h" 2 | 3 | const char banner[] = ANSI_COLOR_BOLDBLUE" _____ "ANSI_COLOR_RED" _ "ANSI_COLOR_BOLDYELLOW" "ANSI_COLOR_BOLDBLUE" "ANSI_COLOR_GREEN" "ANSI_COLOR_RED" _____\n"\ 4 | ANSI_COLOR_BOLDBLUE" / ___|"ANSI_COLOR_RED"| | "ANSI_COLOR_BOLDYELLOW" "ANSI_COLOR_BOLDBLUE" "ANSI_COLOR_GREEN" "ANSI_COLOR_RED"| ___|\n"\ 5 | ANSI_COLOR_BOLDBLUE" \\ `--. "ANSI_COLOR_RED"| |__ "ANSI_COLOR_BOLDYELLOW" __ _ "ANSI_COLOR_BOLDBLUE" _ __ "ANSI_COLOR_GREEN" ___ "ANSI_COLOR_RED"| |__ _ __ _ _ _ __ ___\n"\ 6 | ANSI_COLOR_BOLDBLUE" `--. \\"ANSI_COLOR_RED"| '_ \\ "ANSI_COLOR_BOLDYELLOW" / _` |"ANSI_COLOR_BOLDBLUE"| '__|"ANSI_COLOR_GREEN" / _ \\"ANSI_COLOR_RED"| __| | '_ \\ | | | || '_ ` _ \\\n"\ 7 | ANSI_COLOR_BOLDBLUE" /\\__/ /"ANSI_COLOR_RED"| | | |"ANSI_COLOR_BOLDYELLOW"| (_| |"ANSI_COLOR_BOLDBLUE"| | "ANSI_COLOR_GREEN"| __/"ANSI_COLOR_RED"| |___ | | | || |_| || | | | | |\n"\ 8 | ANSI_COLOR_BOLDBLUE" \\____/ "ANSI_COLOR_RED"|_| |_|"ANSI_COLOR_BOLDYELLOW" \\__,_|"ANSI_COLOR_BOLDBLUE"|_| "ANSI_COLOR_GREEN" \\___|"ANSI_COLOR_RED"\\____/ |_| |_| \\__,_||_| |_| |_|\n"\ 9 | ANSI_COLOR_RESET; 10 | 11 | int main(int argc, char * argv[]) { 12 | FILE * outfile; 13 | char * target = NULL; 14 | int linedelay = 0; // -r command line option 15 | int recursion = 0; // -r command line option 16 | int startline = 0; // -s command line argument 17 | int c; //For getopt 18 | const char * l; //For length of the hash, if we got one 19 | char hash[33]; //To store our hash if the user gave us. 20 | 21 | //Print a header so we know the versions 22 | fprintf(stdout, "%s", banner); 23 | #ifdef DEBUG 24 | fprintf(stdout, ANSI_COLOR_BOLDWHITE"%*s %s-DEBUG\n\n"ANSI_COLOR_RESET, 61-strlen(GIT_VERSION), "Version", GIT_VERSION); 25 | #else 26 | fprintf(stdout, ANSI_COLOR_BOLDWHITE"%*s %s\n\n"ANSI_COLOR_RESET, 67-strlen(GIT_VERSION), "Version", GIT_VERSION); 27 | #endif 28 | 29 | 30 | /************************************************************************************* 31 | * COMMAND LINE ARGUMENTS 32 | ************************************************************************************/ 33 | 34 | /* Get all of our command line options with GetOpt 35 | * Basically, here we use getopt to loop through the arguments 36 | * It will pull one argument letter at a time and then 37 | * we use a case statement to process only that argument and 38 | * its value out to things. Mostly just setting variables, 39 | * maybe doing some processing 40 | */ 41 | opterr = 0; 42 | while ((c = getopt(argc, argv, "r:n:o:t:d:u:p:s:")) != -1) { 43 | switch (c) { 44 | case 'u': //Get the username 45 | gUsername = optarg; 46 | break; 47 | case 'p': //Get the password, but check if its a hash first. 48 | //Get the length of the string quickly. 49 | for (l = optarg; *l; ++l); 50 | 51 | //If the length is 65 (LM:NL) and there's a : in the right place 52 | if((l - optarg) == 65 && optarg[32] == ':') { 53 | //Copy over the last 32 characters into a temp buffer 54 | strncpy(hash, optarg + 33, 32); 55 | 56 | //Make sure the last character is a null 57 | //because we're good C programmers 58 | hash[32] = '\0'; 59 | 60 | //Set the value of hash to our global 61 | gPassword = hash; 62 | 63 | //And set the "bool" to true as well. 64 | gPassIsHash = 1; 65 | } else { 66 | //If its not a hash, just set the password. 67 | gPassword = optarg; 68 | } 69 | 70 | break; 71 | case 'r': //How deep are we going? 72 | recursion = atoi(optarg); 73 | break; 74 | case 'd': //How many seconds are we waiting between targets. 75 | linedelay = atoi(optarg); 76 | break; 77 | case 't': //How many seconds are we timing out. 78 | gTimeout = atoi(optarg); 79 | break; 80 | case 's': //What line in the file should we start at 81 | //Added because its a useful feature that McAtee 82 | //thought up and the program kept crashing after 83 | //a while during testing. 84 | startline = atoi(optarg); 85 | break; 86 | case 'o': //What is our output file. 87 | //Open the file 88 | outfile = fopen (optarg, "a"); 89 | //Turn off buffering of the output file so McAtee 90 | //can get his tail on instantly. 91 | setvbuf(outfile , NULL , _IONBF , 0); 92 | break; 93 | case '?': //If getopt doesn't know what the character is it comes here. 94 | if (isprint (optopt)) 95 | //Yell at the user for being dumb and giving us 96 | //something we don't want. 97 | fprintf(stderr, "Unknown option '-%c'.\n", optopt); 98 | 99 | usage(); 100 | 101 | return 1; 102 | default: 103 | abort(); 104 | } 105 | } 106 | 107 | /************************************************************************************* 108 | * CHECK AND SETUP 109 | ************************************************************************************/ 110 | 111 | //Get the target (IP or file) from the last item in argv. Optind 112 | //is from getopt telling us where it stopped. 113 | target = argv[optind]; 114 | 115 | //If target isn't set, complain because its mandatory. 116 | if(target == NULL) { 117 | fprintf(stderr, ANSI_COLOR_BOLDRED "ERROR: No target specified!\n" ANSI_COLOR_RESET); 118 | usage(); 119 | exit(1); 120 | } 121 | 122 | //If the outfile didn't open properly or isn't set, yell because its mandatory. 123 | if(outfile == NULL) { 124 | fprintf(stderr, ANSI_COLOR_BOLDRED "ERROR: No output file specified!\n" ANSI_COLOR_RESET); 125 | usage(); 126 | exit(1); 127 | } 128 | 129 | //Tell the user what creds we're using, if any. Because we want to make sure they know. 130 | fprintf(stdout, "\n"); 131 | fprintf(stdout, ANSI_COLOR_BOLDGREEN "Username: " ANSI_COLOR_RESET "%s\n", gUsername); 132 | if(gPassIsHash == 1) 133 | fprintf(stdout, ANSI_COLOR_BOLDGREEN "Hash: " ANSI_COLOR_RESET "%s\n", gPassword); 134 | else 135 | fprintf(stdout, ANSI_COLOR_BOLDGREEN "Password: " ANSI_COLOR_RESET "%s\n", gPassword); 136 | fprintf(stdout, "\n"); 137 | 138 | //If debugging is on, print out the other variables we got on the cmd line. 139 | #ifdef DEBUG 140 | fprintf(stdout, "Target: %s\n", argv[optind]); 141 | fprintf(stdout, "Start Point: %d\n", startline); 142 | #endif 143 | 144 | //Wait three seconds because McAtee 145 | sleep(3); 146 | 147 | //Try and turn off buffering on stdout. 148 | setbuf(stdout, NULL); 149 | 150 | /************************************************************************************* 151 | * RUNNING OF SHARES 152 | ************************************************************************************/ 153 | 154 | if(startline == 0) //If we're starting at 0, print the headers. 155 | fprintf(outfile, "\"USER\",\"HOST\",\"SHARE\",\"OBJECT\",\"TYPE\",\"PRINCIPAL\",\"NTFS_PERMISSIONS\",\"HIDDEN\"\n"); 156 | 157 | smbresultlist *head = NULL; //Struct to hold the results info 158 | 159 | //If the target we got is a file. 160 | if(file_exists(target)) { 161 | FILE *infile = fopen ( target, "r" ); //Open the file 162 | int current = 0; //Set a counter for where we're at in the file 163 | int total = file_countlines(infile); //Count the total number of lines in the file 164 | char infile_buf[1024]; //And a buffer to read the file into! 165 | 166 | if ( infile != NULL ) { //If our input file loaded properly... 167 | while ( fgets ( infile_buf, sizeof(infile_buf), infile ) != NULL ) { //Read our file one line at a time into the buffer 168 | current++; //We did it! Increment where we're at 169 | 170 | if(current < startline) continue; //Go ahead and skip until we get the line we want if set. 171 | 172 | if (infile_buf[strlen(infile_buf) - 1] == '\n') { //Check to make sure that our file doesn't have any newlines or returns 173 | infile_buf[strlen(infile_buf) - 1] = '\0'; 174 | } 175 | if (infile_buf[strlen(infile_buf) - 1] == '\r') { 176 | infile_buf[strlen(infile_buf) - 1] = '\0'; 177 | } 178 | 179 | 180 | head = runtarget(infile_buf, recursion); //Run the target and get results 181 | printsmbresultlist(head, outfile, infile_buf, current, total); 182 | } 183 | } else { 184 | perror ( target ); //If the file didn't load, print the error. 185 | } 186 | 187 | sleep(linedelay); //We'll delay as long as our user asked. 188 | 189 | //Otherwise we'll assume our target is an IP or hostname and won't do anything fancy 190 | } else { 191 | 192 | head = runtarget(target, recursion); //Run the target and get results 193 | printsmbresultlist(head, outfile, target, 1, 1); 194 | } 195 | 196 | fclose(outfile); //Close our file handle, because we're good programmers 197 | } 198 | 199 | int printsmbresultlist(smbresultlist *head, FILE *outfile, char *target, int cur, int total) { 200 | uint headlen = 0; //Hold the length of our linked list at output time. 201 | int totallen = numdigits(total); //And the number of digits in that total for pretty output 202 | smbresult *tmp; //Item to hold the temp results as we loop through objects 203 | char *outbuf; //Output buffer to hold some stuff. 204 | int numsuccess = 0; 205 | int numerror = 0; 206 | 207 | 208 | headlen = smbresultlist_length(head); 209 | 210 | fprintf(stdout, ANSI_COLOR_BOLDBLUE "(%*d/%d) " ANSI_COLOR_BOLDCYAN "%-25s " ANSI_COLOR_RESET, totallen, cur, total, target); 211 | 212 | while(smbresultlist_pop(&head, &tmp)) { //Loop through the llist of results and put them in tmp 213 | char *token; 214 | 215 | if(tmp->statuscode > 0) { 216 | fprintf(outfile, "\"%s\",\"%s\",\"%s\",\"\",\"\",\"\",\"%s (Code: %d)\",\"\"\n", gUsername, tmp->host, tmp->share, strerror(tmp->statuscode), tmp->statuscode); 217 | numerror++; 218 | } else { 219 | token = strtok(tmp->acl, ","); 220 | while(token != NULL) { 221 | if(smbresult_tocsv(*tmp, &outbuf, token) > 0) { //Convert tmp to a CSV 222 | fprintf(outfile, "\"%s\",%s\n", gUsername, outbuf); //Print it to our file 223 | fflush(outfile); 224 | } 225 | token = strtok(NULL, ","); 226 | } 227 | numsuccess++; 228 | } 229 | } 230 | 231 | //Now we print a message to the user so they know sutff is happening 232 | if(numerror == 0 && numsuccess > 0) { //Only success 233 | fprintf(stdout, "[" ANSI_COLOR_GREEN "x" ANSI_COLOR_RESET "] Got information on %d objects.\n", numsuccess); 234 | } else if (numerror > 0 && numsuccess == 0) { //Only errors 235 | if(numerror == 1) { //Give the user the error directly if there's only 1 236 | fprintf(stdout, "[" ANSI_COLOR_RED "!" ANSI_COLOR_RESET "] Error (%d): %s\n", tmp->statuscode, strerror(tmp->statuscode)); 237 | } else { 238 | fprintf(stdout, "[" ANSI_COLOR_RED "!" ANSI_COLOR_RESET "] Errors on %d objects.\n", numerror); 239 | } 240 | } else if (numerror > 0 && numsuccess > 0) { //Both success and error 241 | fprintf(stdout, "[" ANSI_COLOR_BOLDYELLOW "*" ANSI_COLOR_RESET "] Got %d objects with errors on %d.\n", numsuccess, numerror); 242 | } else { //No success or errors, we got nothing. 243 | fprintf(stdout, "[" ANSI_COLOR_MAGENTA "!" ANSI_COLOR_RESET "] Received no information.\n"); 244 | } 245 | 246 | free(tmp); 247 | } 248 | 249 | //If you don't get this, try again harder 250 | void usage() { 251 | printf("Usage: shareenum -o FILE TARGET\n"); 252 | printf(" TARGET - REQUIRED Full path or a file of paths to list the shares, files\n"); 253 | printf(" and directories within. Can be just an IP, a hostname, or even a\n"); 254 | printf(" full path inside a share, such as smb://COOL-DC.DOMAIN/NETLOGON.\n"); 255 | printf(" -o FILE - REQUIRED File to write results to in CSV format.\n"); 256 | printf(" -u USER - Username, otherwise go anonymous. If using a domain, it should\n"); 257 | printf(" be in the format of DOMAIN\\\\user.\n"); 258 | printf(" -p PASS - Password, otherwise go anonymous. This can be a NTLM has in\n"); 259 | printf(" the format LMHASH:NTLMHASH. If so, we'll pass the hash.\n"); 260 | printf(" -r NUM - How many levels into the share or directory should we go.\n"); 261 | printf(" Depending on the setting, this can pull a listing of every file\n"); 262 | printf(" and directory. (Default: None)\n"); 263 | printf(" -t NUM - Seconds to wait before connection timeout. (Default: 3s)\n"); 264 | printf(" -s NUM - In the event that the scan needs restarted, skip the first NUM\n"); 265 | printf(" lines in the input file. All output will be appended to the\n"); 266 | printf(" output file so previous results will not be lost. (Default: 0)\n"); 267 | printf(" -d NUM - How many seconds should we wait between each target. (Default: 0)\n"); 268 | } 269 | -------------------------------------------------------------------------------- /src/main.h: -------------------------------------------------------------------------------- 1 | #include 2 | #include 3 | #include 4 | #include 5 | #include "helpers.h" 6 | #include "colors.h" 7 | #include "smb.h" 8 | 9 | /* Globals for the options we got from the command line. 10 | * These are most likely going to be externs in other C 11 | * files and should be considered READ ONLY! 12 | */ 13 | char * gUsername = NULL; 14 | char * gPassword = NULL; 15 | int gPassIsHash = 0; 16 | int gTimeout = 0; 17 | 18 | /* Print the usage 19 | * 20 | * PARAMETERS: none 21 | * RETURN: none 22 | */ 23 | void usage(); 24 | -------------------------------------------------------------------------------- /src/main.o: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CroweCybersecurity/shareenum/db728dda2097a759232b9cc860c2dd58dd2360c7/src/main.o -------------------------------------------------------------------------------- /src/shareenum: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CroweCybersecurity/shareenum/db728dda2097a759232b9cc860c2dd58dd2360c7/src/shareenum -------------------------------------------------------------------------------- /src/smb.c: -------------------------------------------------------------------------------- 1 | #include "smb.h" 2 | 3 | smbresultlist* runtarget(char *target, int maxdepth) { 4 | SMBCCTX *context; 5 | char buf[256]; 6 | smbresultlist *res = NULL; 7 | 8 | //Try to create a context, if it's null that means we failed, so let the user know. 9 | if((context = create_context()) == NULL) { 10 | smbresult *tmp = createSMBResultEmpty(); 11 | parse_smburl(target, &tmp->host, &tmp->share, &tmp->object); 12 | tmp->statuscode = errno; 13 | smbresultlist_push(&res, tmp); 14 | return res; 15 | } 16 | 17 | //Check to see if the target has smb:// in front, if not add it. 18 | if(strncmp("smb://", target, 6) != 0) { 19 | snprintf(buf, sizeof(buf), "smb://%s", target); 20 | } else { 21 | strncpy(buf, target, strlen(target) + 1); 22 | } 23 | 24 | //Browse to our file and get the goods 25 | res = browse(context, buf, maxdepth, 0); 26 | 27 | //Delete our context, so there's less segfaults. 28 | delete_context(context); 29 | return res; 30 | } 31 | 32 | static smbresultlist* browse(SMBCCTX *ctx, char *path, int maxdepth, int depth) { 33 | SMBCFILE *fd; 34 | struct smbc_dirent *dirent; 35 | 36 | char fullpath[2560] = ""; 37 | 38 | char acl[1024] = ""; 39 | int aclret; 40 | 41 | char mode[128] = ""; 42 | int moderet; 43 | 44 | smbresultlist *thisresults = NULL; 45 | smbresultlist *subresults = NULL; 46 | 47 | 48 | //Try and get a directory listing of the object we just opened. 49 | //This could be a workgroup, server, share, or directory and 50 | //we'll get the full listing. If it doesn't work, return our error. 51 | //Errors will happen a lot in normal usage due to access denied. 52 | if ((fd = smbc_getFunctionOpendir(ctx)(ctx, path)) == NULL) { 53 | smbresult *tmp = createSMBResultEmpty(); 54 | parse_smburl(path, &tmp->host, &tmp->share, &tmp->object); 55 | tmp->statuscode = errno; 56 | smbresultlist_push(&thisresults, tmp); 57 | return thisresults; 58 | } 59 | 60 | //Get the current entity of the directory item we're working on. 61 | while ((dirent = smbc_getFunctionReaddir(ctx)(ctx, fd)) != NULL) { 62 | smbresult *thisresult = createSMBResultEmpty(); 63 | 64 | //Check to see if what we're working on is blank, or one of the 65 | //special directory characters. If so, skip them. 66 | if(strcmp(dirent->name, "") == 0) continue; 67 | if(strcmp(dirent->name, ".") == 0) continue; 68 | if(strcmp(dirent->name, "..") == 0) continue; 69 | 70 | //Create the full path for this object by concating it with the 71 | //parent path. 72 | sprintf(fullpath, "%s/%s", path, dirent->name); 73 | 74 | //Parse out the various parts of the path for pretty output. 75 | parse_smburl(fullpath, &thisresult->host, &thisresult->share, &thisresult->object); 76 | 77 | //Set the type so we have it 78 | thisresult->type = dirent->smbc_type; 79 | 80 | //Get the "dos_attr.mode" extended attribute which is the file permissions. 81 | moderet = smbc_getFunctionGetxattr(ctx)(ctx, fullpath, "system.dos_attr.mode", &mode, sizeof(mode)); 82 | if(moderet == -1 && errno == 13) { 83 | thisresult->mode = -1; 84 | } else { 85 | //The ACL is returned as a string pointer, but we need to convert it to a long so we can 86 | //do binary comparison on the settings eventually. 87 | thisresult->mode = strtol(acl, NULL, 16); 88 | } 89 | 90 | //Get the ACL ACEs for the NTFS permissions. The + is so we lookup SIDs to names 91 | aclret = smbc_getFunctionGetxattr(ctx)(ctx, fullpath, "system.nt_sec_desc.acl.*+", acl, sizeof(acl)); 92 | if(aclret < 0) { 93 | char permerrbuf[100]; 94 | sprintf(permerrbuf, "Unable to pull permissions (%d): %s", errno, strerror(errno)); 95 | thisresult->acl = strdup(permerrbuf); 96 | thisresult->statuscode = errno; 97 | } else { 98 | thisresult->acl = strdup(acl); 99 | } 100 | 101 | smbresultlist_push(&thisresults, thisresult); 102 | 103 | //If we have a directory or share we want to recurse to our max depth 104 | if(depth < maxdepth) { 105 | switch (thisresult->type) { 106 | case SMBC_FILE_SHARE: 107 | case SMBC_DIR: 108 | subresults = browse(ctx, fullpath, maxdepth, depth++); 109 | smbresultlist_merge(&thisresults, &subresults); 110 | } 111 | } 112 | } 113 | 114 | 115 | //Try to close the directory that we had opened. If it failed, it'll return > 0. 116 | if(smbc_getFunctionClosedir(ctx)(ctx, fd) > 0) { 117 | smbresult *tmp = createSMBResultEmpty(); 118 | parse_smburl(path, &tmp->host, &tmp->share, &tmp->object); 119 | tmp->statuscode = errno; 120 | smbresultlist_push(&thisresults, tmp); 121 | } 122 | 123 | //Finally, we're done, lets return to the user. 124 | return thisresults; 125 | } 126 | 127 | size_t smbresult_tocsv(smbresult data, char **buf, char *ace) { 128 | if(data.statuscode < 0) { 129 | return 0; 130 | } 131 | 132 | //parsehidden returns 0 or 1, so we need a quick if statement 133 | char hidden = ' '; 134 | if(parse_hidden(data.mode)) 135 | hidden = 'X'; 136 | 137 | //We need to parse the access entry, here are the variables we'll use to hold them 138 | char * principal = ""; 139 | unsigned int atype = 0; 140 | unsigned int aflags = 0; 141 | unsigned int amask = 0; 142 | 143 | //Parse the entry, if we can't then just quit because we got bad data. 144 | if(ace != NULL) { 145 | if(parse_acl(ace, &principal, &atype, &aflags, &amask) == 0) { 146 | return 0; 147 | } 148 | } 149 | 150 | //We need to determine the length of our new string 151 | size_t size = snprintf(NULL, 0, "\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%c\"", 152 | data.host, 153 | data.share, 154 | data.object, 155 | parse_type(data.type), 156 | principal, 157 | parse_accessmask(amask), 158 | hidden 159 | ); 160 | 161 | //Otherwise, just a simple sprintf to the buffer the user gave us. 162 | char *buffer = malloc(size+1); 163 | snprintf(buffer, size+1, "\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%s\",\"%c\"", 164 | data.host, 165 | data.share, 166 | data.object, 167 | parse_type(data.type), 168 | principal, 169 | parse_accessmask(amask), 170 | hidden 171 | ); 172 | 173 | *buf = strdup(buffer); 174 | 175 | free(buffer); 176 | 177 | return size+1; 178 | } 179 | 180 | void parse_smburl(char *url, char **host, char **share, char **object) { 181 | char buf[2048]; 182 | char *token; 183 | char *last; 184 | const char sep[2] = "/"; 185 | 186 | //Zero out our buffer to make sure we don't have any stray characters later 187 | memset(buf, 0, sizeof(buf)); 188 | 189 | //Remove the protocol from the URL 190 | if(strncmp("smb://", url, 6) == 0) 191 | strncpy(buf, url+6, strlen(url) - 5); 192 | else 193 | strncpy(buf, url, strlen(url)); 194 | 195 | //Tokenize the URL by /, get the first one, it should be our host. 196 | token = strtok(buf, sep); 197 | if(token == NULL) 198 | return; 199 | *host = strdup(token); 200 | 201 | //Get the second one, it should be our share 202 | token = strtok(NULL, sep); 203 | if(token == NULL) 204 | return; 205 | *share = strdup(token); 206 | 207 | //Finally, we take the rest of the string and its our object path 208 | *object = strdup(token + strlen(token) + 1); 209 | } 210 | 211 | char* parse_type(int type) { 212 | //We need to translate the type to something readable for our output 213 | switch(type) { 214 | case -1: 215 | return "ERROR"; 216 | case SMBC_WORKGROUP: 217 | return "WORKGROUP"; 218 | case SMBC_SERVER: 219 | return "SERVER"; 220 | case SMBC_FILE_SHARE: 221 | return "FILE_SHARE"; 222 | case SMBC_PRINTER_SHARE: 223 | return "PRINTER_SHARE"; 224 | case SMBC_COMMS_SHARE: 225 | return "COMMS_SHARE"; 226 | case SMBC_IPC_SHARE: 227 | return "IPC_SHARE"; 228 | case SMBC_DIR: 229 | return "DIR"; 230 | case SMBC_FILE: 231 | return "FILE"; 232 | case SMBC_LINK: 233 | return "LINK"; 234 | default: 235 | return "UNKNOWN"; 236 | } 237 | } 238 | 239 | int parse_acl(const char * ace, char ** princ, unsigned int * i1, unsigned int * i2, unsigned int * i3) { 240 | unsigned int *atype = i1; 241 | unsigned int *aflags = i2; 242 | unsigned int *amask = i3; 243 | 244 | char *p = strchr(ace, ':'); 245 | if(!p) { 246 | return 0; 247 | } 248 | *p = '\0'; 249 | p++; 250 | 251 | *princ = malloc(strlen(ace) + 1); 252 | if(!*princ) { 253 | return 0; 254 | } 255 | strcpy(*princ, ace); 256 | 257 | if(sscanf(p, "%u/%u/%x", atype, aflags, amask) == 3) { 258 | return 1; 259 | } else { 260 | return 0; 261 | } 262 | } 263 | 264 | char * parse_accessmask(unsigned int acl) { 265 | char tmpaccess[128] = ""; 266 | 267 | if(acl & ACCESS_FILE_READ_DATA) 268 | strcat(tmpaccess, "READ|"); 269 | if(acl & ACCESS_FILE_WRITE_DATA) 270 | strcat(tmpaccess, "WRITE|"); 271 | if(acl & ACCESS_FILE_APPEND_DATA) 272 | strcat(tmpaccess, "APPEND|"); 273 | if(acl & ACCESS_FILE_READ_EA) 274 | strcat(tmpaccess, "READEA|"); 275 | if(acl & ACCESS_FILE_WRITE_EA) 276 | strcat(tmpaccess, "WRITEEA|"); 277 | if(acl & ACCESS_FILE_EXECUTE) 278 | strcat(tmpaccess, "EXECUTE|"); 279 | if(acl & ACCESS_STANDARD_DELETE) 280 | strcat(tmpaccess, "DELETE|"); 281 | 282 | if(tmpaccess[strlen(tmpaccess)-1] == '|') { 283 | tmpaccess[strlen(tmpaccess)-1] = '\0'; 284 | } 285 | 286 | return strdup(tmpaccess); 287 | } 288 | 289 | uint parse_hidden(long acl) { 290 | //Check to see if the hidden flag is set, if so lets return it 291 | if (acl & SMBC_DOS_MODE_HIDDEN) 292 | return 1; 293 | else 294 | return 0; 295 | } 296 | 297 | static void auth_fn( 298 | const char *pServer, 299 | const char *pShare, 300 | char *pWorkgroup, 301 | int maxLenWorkgroup, 302 | char *pUsername, 303 | int maxLenUsername, 304 | char *pPassword, 305 | int maxLenPassword) { 306 | 307 | //Get our external globals that we got from the command line 308 | extern char *gUsername; 309 | extern char *gPassword; 310 | 311 | //We're always going to operate on a blank workgroup of WORKGROUP 312 | char workgroup[256] = { '\0' }; 313 | 314 | //Get the username, if its set, from the globals we set in the main. 315 | if(gUsername != NULL) 316 | strncpy(pUsername, gUsername, maxLenUsername - 1); 317 | 318 | //Same with the the password. If its a hash, it'll also just be a string. 319 | if(gPassword != NULL) 320 | strncpy(pPassword, gPassword, maxLenPassword - 1); 321 | 322 | //Finally copy our blank workgroup over also. 323 | strncpy(pWorkgroup, workgroup, maxLenWorkgroup - 1); 324 | } 325 | 326 | static SMBCCTX* create_context(void) { 327 | SMBCCTX *ctx; 328 | extern int gTimeout; 329 | extern int gPassIsHash; 330 | 331 | //Create the Samba context struct , if it didn't work quit. 332 | if((ctx = smbc_new_context()) == NULL) 333 | return NULL; 334 | 335 | #ifdef DEBUG 336 | //Set the options for our context. a 337 | //If its enabled at the command line, turn on Samba library debugging 338 | smbc_setDebug(ctx, 1); 339 | 340 | //We want to log our errors to STDERR instead of STDOUT 341 | smbc_setOptionDebugToStderr(ctx, 1); 342 | #endif 343 | 344 | //set protocols 345 | smbc_setOptionProtocols(ctx, "CORE", "SMB3"); 346 | 347 | //Set the function that the Samba library will call when it needs 348 | //to authenticate 349 | smbc_setFunctionAuthData(ctx, auth_fn); 350 | //Set the timeout, we get the command line option as seconds and the 351 | //function takes milliseconds. 352 | smbc_setTimeout(ctx, 200); 353 | //If we got a hash at the command line, let the context know we're 354 | //giving it a hash 355 | smbc_setOptionUseNTHash(ctx, gPassIsHash); 356 | 357 | //Initialize our context with the options that we have set or null on fail. 358 | if(smbc_init_context(ctx) == NULL) { 359 | smbc_free_context(ctx, 1); 360 | return NULL; 361 | } 362 | 363 | return ctx; 364 | } 365 | 366 | static void delete_context(SMBCCTX *ctx) { 367 | //Trying to fix the error: no talloc stackframe at ../source3/libsmb/cliconnect.c:2637, leaking memory 368 | //TALLOC_CTX *frame = talloc_stackframe(); 369 | 370 | //First we need to purge the cache of servers the context has. 371 | //This should also free all the used memory allocations. 372 | smbc_getFunctionPurgeCachedServers(ctx)(ctx); 373 | 374 | //We're done with the frame, free it up now. 375 | //TALLOC_FREE(frame); 376 | 377 | //Next we need to free the context itself, and free all the 378 | //memory it used. 379 | smbc_free_context(ctx, 1); 380 | } 381 | 382 | 383 | -------------------------------------------------------------------------------- /src/smb.h: -------------------------------------------------------------------------------- 1 | #include //Unix standard libraries 2 | #include //Directory entities 3 | #include //Error numbers and information 4 | #include //C "string" library 5 | #include //GNU standard library 6 | #include //Enable C99 booleans for the talloc stuff in samba 7 | #include //Samba client headers 8 | #include //Samba TALLOC stack 9 | #include "smbresult.h" 10 | 11 | /* Run a check against a host. This creates a Samba context, browses to the path 12 | * creates a result object, and then clears the context after its finished. 13 | * 14 | * PARAMETERS: 15 | * char * - Pointer to a string containing the full path to our target. 16 | * int - How deep into the structure should we go. 17 | * 18 | * RETURN (smb_result): The result of our run of this host. 19 | */ 20 | smbresultlist* runtarget(char *target, int maxdepth); 21 | 22 | /* Takes a smbresult object and converts it to a string formatted in CSV 23 | * formatting including field terminators in the format: 24 | * "host","share","object","type","permissions","hidden" 25 | * PARAMETERS: 26 | * data - The smbresult containing the data to format. 27 | * buf - Pointer to the string buffer where we should put the output. 28 | * ace - An access control entry string in the format PRINCIPAL:TYPE/FLAGS/MASK 29 | * RETURN (size_t): The size of the string we put in buf. 0 if error 30 | */ 31 | size_t smbresult_tocsv(smbresult data, char **buf, char *ace); 32 | 33 | /* This is the function that browses a system and attempts to list all of the shares. 34 | * 35 | * PARAMETERS: 36 | * SMBCCTX * - Pointer to the samba context that should be used during browse 37 | * char * - The path to browse. Should be something like "smb://IP -or- HOST/. 38 | * If you give it a share it'll list the directories but can also do 39 | * printers, files, directories, etc. 40 | * int - How many levels down should be go. 41 | * int - What is the current depth that we're at. 42 | * 43 | * RETURN (smb_result): The result of our run on this host. Will be aggregated if 44 | * recursion is in use. 45 | */ 46 | static smbresultlist* browse(SMBCCTX *ctx, char *path, int maxdepth, int depth); 47 | 48 | /* Parse out a smb uri string into its various components. Should typically be in 49 | * the format of: smb://TARGET/SHARE/DIRECTORY/FILE 50 | * 51 | * PARAMETERS: 52 | * char * - The current URL including all of the info we're splitting up 53 | * char * - The host or IP that we're operating against. 54 | * char * - The name of the share, printer, etc. that we've found. 55 | * char * - The full path of the current object that we're browsing. 56 | * RETURN (void): None 57 | */ 58 | void parse_smburl(char *url, char **host, char **share, char **object); 59 | 60 | /* Parse the type (Dir, File, etc.) of targeted object into something human readable 61 | * PARAMETERS: 62 | * uint - The smbc_type of the current object 63 | * RETURN (char *): The human readable name of the type 64 | */ 65 | char * parse_type(int type); 66 | 67 | /* Parse the ACL and determine the type of access we have (write, read only, etc.) 68 | * PARAMETERS: 69 | * ace - The access control entity string in the format Principle:Type/Flag/Access Mask 70 | * print - Pointer to the string for the user principle 71 | * atype - Pointer to the int that will hold the access mask type 72 | * aflags - Pointer to hold the bitmask of ACE flags 73 | * amask - Pointer to hold the access mask 74 | * RETURN (int): 1 if we were successful, 0 if we failed 75 | */ 76 | int parse_acl(const char * ace, char ** princ, unsigned int * atype, unsigned int * aflags, unsigned int * amask); 77 | 78 | /* Parse the access mask into a string that can be output 79 | * PARAMETERS: 80 | * amask - The bitmask of access flags to parse 81 | * RETURN (char *): A string containing all of the access values 82 | */ 83 | char * parse_accessmask(unsigned int amask); 84 | 85 | /* Parse the ACL to determine if the hidden flag is set 86 | * PARAMETERS: 87 | * long - An ACL that we have received from Samba, represented as a series of bytes 88 | * RETURN (char *): A string containing our human readable access 89 | */ 90 | uint parse_hidden(long acl); 91 | 92 | /* The authentication function that will be passed into the Samba context. Whenever 93 | * it needs to authenticate it will call this function to get the data we need. 94 | * The variables are the username, server info, share, etc. that we may authenticate 95 | * with and are set by reference for samba. 96 | * 97 | * PARAMETERS: 98 | * These parameters are defined and set by the Samba libraries and cannot be changed. 99 | * They are mostly self explanatory and represent pointers to the various buffers 100 | * that need to have information added for authentication. 101 | */ 102 | static void auth_fn( const char *pServer, 103 | const char *pShare, 104 | char *pWorkgroup, 105 | int maxLenWorkgroup, 106 | char *pUsername, 107 | int maxLenUsername, 108 | char *pPassword, 109 | int maxLenPassword); 110 | 111 | /* Create a Samba context for us to handle all of our connections with. This will pull 112 | * several options from extern global variables set in the main function from the 113 | * command line. 114 | * 115 | * PARAMETERS: None 116 | * 117 | * RETURN (SMBCCTX *): Pointer to the samba context we have created. 118 | */ 119 | static SMBCCTX* create_context(void); 120 | 121 | /* This will delete the a Samba context, clear the set of cached hosts that were stored 122 | * in memory, and then free the context's used memory. 123 | * 124 | * PARAMETERS: 125 | * SMBCCTX * - Pointer to the Samba context that should be freed. 126 | * 127 | * RETURN (void): None 128 | */ 129 | static void delete_context(SMBCCTX *ctx); 130 | 131 | 132 | /* ACE TYPE CONSTANTS 133 | * Constants for the type field within ACE strings 134 | */ 135 | #define ACE_TYPE_ALLOW 0 136 | #define ACE_TYPE_DENY 1 137 | 138 | /* ACE FLAG CONSTANTS 139 | * Flags within the ACE strings 140 | */ 141 | #define ACE_FLAG_OBJECT_INHERIT 1 142 | #define ACE_FLAG_CONTAINER_INHERIT 2 143 | #define ACE_FLAG_NO_PROPAGATE_INHERIT 4 144 | #define ACE_INHERIT_ONLY 8 145 | #define ACE_INHERITED 16 146 | 147 | /* ACCESS MASK CONSTANTS 148 | * 149 | * Generic access rights 150 | * 151 | * These are required by all object types and are mapped to a set 152 | * of general or generic standard/object specific access rights 153 | * which are shown in the in-line comments 154 | * 155 | * Bytes 28-31 - Generic Items 156 | * Bytes 25-27 - Unused / Reserved 157 | * Byte 24 - SACL 158 | */ 159 | #define ACCESS_GENERIC_READ 0x80000000 //FILE_READ_ATTRIBUTES && FILE_READ_DATA && FILE_READ_EA && STANDARD_RIGHTS_READ && SYNCHRONIZE 160 | #define ACCESS_GENERIC_WRITE 0x40000000 //FILE_APPEND_DATA && FILE_WRITE_ATTRIBUTES && FILE_WRITE_DATA && FILE_WRITE_EA && STANDARD_RIGHTS_WRITE && SYNCHRONIZE 161 | #define ACCESS_GENERIC_EXECUTE 0x20000000 //FILE_EXECUTE && FILE_READ_ATTRIBUTES && STANDARD_RIGHTS_EXECUTE && SYNCHRONIZE 162 | #define ACCESS_GENERIC_ALL 0x10000000 //GENERIC_READ && GENERIC_WRITE && GENERIC_EXECUTE 163 | #define ACCESS_SYSTEM_SECURITY 0x01000000 //Allows access to get or set the SACL for the object 164 | 165 | /* Standard access rights 166 | * 167 | * These are the standard rights that all objects will have at a 168 | * minimum and map to very high level access, such as modifying 169 | * the access or deleting the object 170 | * 171 | * Bytes 16-20 - Used 172 | * Bytes 21-23 - Appear unused at this point 173 | */ 174 | #define ACCESS_STANDARD_SYNCHRONIZE 0x00100000 //Allow the program to wait until our object is in a signaled state 175 | #define ACCESS_STANDARD_WRITE_OWNER 0x00080000 //The right to change the owner 176 | #define ACCESS_STANDARD_WRITE_DAC 0x00040000 //The right to change the DACL of the object 177 | #define ACCESS_STANDARD_READ_CONTROL 0x00020000 //The right to read the security descriptor 178 | #define ACCESS_STANDARD_DELETE 0x00010000 //The right to delete the object 179 | 180 | /* Object specific access rights 181 | * 182 | * These are for the specific access rights (in our case) for 183 | * files and directories which are what we care about. The 184 | * bits are the same for files and directories, so bit 1 185 | * is READ for files and LIST for directories but is the same 186 | * bit because the access is the same. 187 | * 188 | * Bytes 0-8 - Used 189 | * Bytes 9-16 - Appear unused at this point 190 | */ 191 | #define ACCESS_FILE_WRITE_ATTRIBUTES 0x00000100 //BOTH - Write attributes to the file (archive, read only, etc.) 192 | #define ACCESS_FILE_READ_ATTRIBUTES 0x00000080 //BOTH - Read the attributes set ont he file 193 | #define ACCESS_FILE_DELETE_CHILD 0x00000040 //BOTH - Allows the delete of an entire directory tree, including files inside even if they're read only 194 | #define ACCESS_FILE_EXECUTE 0x00000020 //FILE - Run and/or execute the file 195 | #define ACCESS_FILE_TRAVERSE 0x00000020 //DIR - The right to move into a directory, BYPASS_TRAVERSE_CHECKING user right can bypass this 196 | #define ACCESS_FILE_WRITE_EA 0x00000010 //BOTH - Write extended attributes 197 | #define ACCESS_FILE_READ_EA 0x00000008 //BOTH - Read extended attributes 198 | #define ACCESS_FILE_APPEND_DATA 0x00000004 //FILE - Allow appending to the file (will not overwrite data) 199 | #define ACCESS_FILE_ADD_SUBDIRECTORY 0x00000004 //DIR - Allow creating subdirectories 200 | #define ACCESS_FILE_WRITE_DATA 0x00000002 //FILE - Allow writing data into a file 201 | #define ACCESS_FILE_ADD_FILE 0x00000002 //DIR - Allow adding a file to a directory 202 | #define ACCESS_FILE_READ_DATA 0x00000001 //FILE - Allow opening and reading from a file 203 | #define ACCESS_FILE_LIST_DIRECTORY 0x00000001 //DIR - Allow reading a file list from a directory 204 | 205 | -------------------------------------------------------------------------------- /src/smb.o: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CroweCybersecurity/shareenum/db728dda2097a759232b9cc860c2dd58dd2360c7/src/smb.o -------------------------------------------------------------------------------- /src/smbresult.c: -------------------------------------------------------------------------------- 1 | #include "smbresult.h" 2 | 3 | smbresult* createSMBResultEmpty() { 4 | return createSMBResult("", "", "", 0, "", 0, 0); 5 | } 6 | 7 | smbresult* createSMBResult(char *host, char *share, char *object, int type, char *acl, unsigned int mode, int statuscode) { 8 | smbresult *tmp = malloc(sizeof(smbresult)); 9 | tmp->host = strdup(host); 10 | tmp->share = strdup(share); 11 | tmp->object = strdup(object); 12 | tmp->type = type; 13 | tmp->acl = acl; 14 | tmp->mode = mode; 15 | tmp->statuscode = statuscode; 16 | return tmp; 17 | } 18 | 19 | void smbresultlist_push(smbresultlist **head, smbresult *data) { 20 | //Here we declare our new node for our list 21 | smbresultlist *newnode = malloc(sizeof(smbresultlist)); 22 | 23 | newnode->data = data; //We take the new data and store it 24 | newnode->next = *head; //Then we set the next node to our last one 25 | *head = newnode; //And set our current node to the new one 26 | } 27 | 28 | int smbresultlist_pop(smbresultlist **head, smbresult **data) { 29 | smbresultlist *tmp = NULL; //Tmp variable to hold our list head 30 | tmp = *head; //Set the head to the tmp 31 | 32 | if(tmp == NULL) { //If tmp is null, we've reached the end. 33 | return 0; 34 | } 35 | 36 | *head = tmp->next; //Otherwise, set the head to the next item 37 | *data = tmp->data; //Extract the data to the data pointer 38 | 39 | free(tmp); //And free the memory 40 | 41 | return 1; //Finally, return that it worked 42 | } 43 | 44 | uint smbresultlist_merge(smbresultlist **dst, smbresultlist **src) { 45 | smbresult *tmp; //Tmp variable to hold the current data 46 | 47 | //Pop the current one of src and push it onto dst 48 | while(smbresultlist_pop(src, &tmp) > 0) { 49 | smbresultlist_push(dst, tmp); 50 | } 51 | } 52 | 53 | uint smbresultlist_length(smbresultlist *head) { 54 | uint len = 0; //Tmp variable to hold the length 55 | smbresultlist *cur; //Tmp variable to hold the current pointer 56 | 57 | //Loop through each pointer and set cur to the next pointer 58 | for(cur = head; cur != NULL; cur = cur->next) { 59 | len++; //Add to our counter 60 | } 61 | 62 | return len; //And now we have the length 63 | } 64 | 65 | void smbresultlist_freeall(smbresultlist *head) { 66 | smbresultlist *tmp; //Tmp variable to hold the head pointer 67 | 68 | while(head != NULL) { //Loop through each item 69 | tmp = head; //Get the current smbresultlist 70 | head = head->next; //Set head to the next one 71 | free(tmp); //And free the current one 72 | } 73 | } 74 | -------------------------------------------------------------------------------- /src/smbresult.h: -------------------------------------------------------------------------------- 1 | #include //Unix standard libraries 2 | #include //C "string" library 3 | #include //GNU Standard Lib 4 | 5 | /* Data type that includes the result for every object that is identified 6 | * within our recursive scanning. 7 | * host - The hostname or IP of our target 8 | * share - The name of the share 9 | * object - The full path in the share to the object 10 | * type - The type of object (printer, file share, etc.) 11 | * acl - string containing the permissions 12 | * statuscode - The result of pulling object data, 0 for success and >0 for smb error codes. 13 | */ 14 | typedef struct smbresult { 15 | char* host; 16 | char* share; 17 | char* object; 18 | int type; 19 | char* acl; 20 | unsigned int mode; 21 | int statuscode; 22 | } smbresult; 23 | 24 | /* Create an empty smbresult with all of the strings pointing to empty strings ("") 25 | * and all of the other items set to 0. 26 | * PARAMETERS: None 27 | * RETURN (smbresult): A pointer to an empty SMB result 28 | */ 29 | smbresult* createSMBResultEmpty(); 30 | 31 | /* Create a smbresult with all of the methods and variables set. 32 | * PARAMETERS: 33 | * host - Hostname 34 | * share - Share name 35 | * object - Full path to the object 36 | * type - Type of object 37 | * acl - ACL for the object 38 | * statuscode - The return code for the object, 0 for success and >0 as error codes 39 | * RETURN (smbresult): A pointer to the smbresult 40 | */ 41 | smbresult* createSMBResult(char* host, char* share, char* object, int type, char* acl, unsigned int mode, int statuscode); 42 | 43 | /* So we're typically going to have a large number of results, we'll 44 | * keep a linked list of our results so we can have a dynamic number. 45 | * There are also several associated functions for management of the 46 | * list. 47 | * data - The smbresult that contains our current data 48 | * next - A link to the next item in the linked list 49 | */ 50 | typedef struct smbresultlist { 51 | smbresult* data; 52 | struct smbresultlist* next; 53 | } smbresultlist; 54 | 55 | /* This function will add a smbresult to the beginning of our 56 | * linked list. In the event there isn't anything, it will 57 | * create the list. 58 | * PARAMETERS: 59 | * head - A pointer to the first item in our linked list 60 | * data - The smbresult that we want to add 61 | * RETURN (void): None 62 | */ 63 | void smbresultlist_push(smbresultlist** head, smbresult *data); 64 | 65 | /* This function will pull the first item off the linked list, 66 | * reset the head, and free the item. Useful to iterate through 67 | * items on our list when we're done. 68 | * PARAMETERS: 69 | * head - A pointer to the first item in our linked list 70 | * data - The smbresult that we're gathering to use. This 71 | * will be freed and won't be on the list. 72 | * RETURN (int): 0 if we failed and 1 if we succeeded. 73 | */ 74 | int smbresultlist_pop(smbresultlist** head, smbresult **data); 75 | 76 | /* Takes two lists of smbresults and merges them together in no 77 | * particular order. 78 | * PARAMETERS: 79 | * dst - A pointer to the first item it the destination list. 80 | * src - A pointer to the first item in the source list. 81 | * RETURN (int): 0 if we failed and 1 if we succeeded. 82 | */ 83 | uint smbresultlist_merge(smbresultlist** dst, smbresultlist** src); 84 | 85 | /* Given a head pointer to the list, this will return the 86 | * number of items currently on it. 87 | * PARAMETERS: 88 | * head - A pointer to the first item in our linked list 89 | * RETURN (uint): The number of items on our list 90 | */ 91 | uint smbresultlist_length(smbresultlist* head); 92 | 93 | /* Given a pointer to the head of the list, this will iterate 94 | * through the entire list and destroy each item, freeing as 95 | * it goes. This will destroy the list. 96 | * PARAMETERS: 97 | * head - A pointer to the first item in our linked list 98 | * RETURN (void): None 99 | */ 100 | void smbresultlist_freeall(smbresultlist* head); 101 | -------------------------------------------------------------------------------- /src/smbresult.o: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/CroweCybersecurity/shareenum/db728dda2097a759232b9cc860c2dd58dd2360c7/src/smbresult.o --------------------------------------------------------------------------------