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c72432d640
a few changes needed to be adjusted and manpage updated, now we also ship cloakify ciphers into extras, a link is left to original repo.
112 lines
4.4 KiB
Python
112 lines
4.4 KiB
Python
#!/usr/bin/env python3
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#
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# Filename: cloakify.py
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#
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# Version: 1.1.0
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#
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# Author: Joe Gervais (TryCatchHCF)
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#
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# Summary: Exfiltration toolset (see decloakify.py) that transforms any filetype (binaries,
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# archives, images, etc.) into lists of words / phrases / Unicode to ease exfiltration of
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# data across monitored networks, hiding the data in plain sight. Also facilitates social
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# engineering attacks against human analysts and their workflows. Bonus Feature: Defeats
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# signature-based malware detection tools (cloak your other tools during an engagement).
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#
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# Used by cloakifyFactory.py, can be used as a standalone script as well (example below).
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#
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# Description: Base64-encodes the given payload and translates the output using a list
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# of words/phrases/Unicode provided in the cipher. This is NOT a secure encryption tool,
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# the output is vulnerable to frequency analysis attacks. Use the Noise Generator scripts
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# to add entropy to your cloaked file. You should encrypt the file before cloaking if
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# secrecy is needed.
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#
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# Prepackaged ciphers include: lists of desserts in English, Arabic, Thai, Russian,
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# Hindi, Chinese, Persian, and Muppet (Swedish Chef); PokemonGo creatures; Top 100 IP
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# Addresses; Top Websites; GeoCoords of World Capitols; MD5 Password Hashes; An Emoji
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# cipher; Star Trek characters; Geocaching Locations; Amphibians (Scientific Names);
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# evadeAV cipher (simple cipher that minimizes size of the resulting obfuscated data).
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#
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# To create your own cipher:
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#
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# - Generate a list of at least 66 unique words (Unicode-16 accepted)
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# - Remove all duplicate entries and blank lines
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# - Randomize the list (see 'randomizeCipherExample.txt' in Cloakify directory)
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# - Provide the file as the cipher argument to the script.
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# - ProTip: Place your cipher in the "ciphers/" directory and cloakifyFactory
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# will pick it up automatically as a new cipher
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#
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# Example:
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#
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# $ ./cloakify.py payload.txt ciphers/desserts > exfiltrate.txt
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#
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import argparse
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import base64
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import os
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import random
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import sys
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array64 = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/+=")
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def Cloakify(payloadPath:str, cipherPath:str, outputPath:str="", password:str=None):
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"""Payload file's binary contents will be read and converted into base64.
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Cipher file will be read into a list that will be used for the payload's obfuscation.
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If an output path is defined the obfuscated content will be written to that otherwise,
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it will print it out to the console.
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Args:
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payloadPath (str): Path to the file that will be encoded
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cipherPath (str): Path to the file used as the base64 cipher
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outputPath (str): Path to write out the obfuscated payload
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"""
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try:
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with open(payloadPath, 'rb') as payloadFile:
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payloadRaw = payloadFile.read()
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payloadB64 = base64.encodebytes(payloadRaw)
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payloadB64 = payloadB64.decode("ascii").replace("\n", "")
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except Exception as e:
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print("Error reading payload file {}: {}".format(payloadPath, e))
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payloadOrdering = None
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if password:
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random.seed(password)
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# Get a list of each line number in the cloaked file
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payloadOrdering = [i for i in range(len(payloadB64))]
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# Shuffle the order of the lines
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random.shuffle(payloadOrdering)
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try:
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with open(cipherPath, encoding="utf-8") as file:
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cipherArray = file.readlines()
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except Exception as e:
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print("Error reading cipher file {}: {}".format(cipherPath, e))
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if outputPath:
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try:
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with open(outputPath, "w+", encoding="utf-8") as outFile:
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if payloadOrdering:
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# Iterate through the randomized line order and write each line to the file
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for randomLoc in payloadOrdering:
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outFile.write(cipherArray[array64.index(payloadB64[randomLoc])])
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else:
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for char in payloadB64:
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outFile.write(cipherArray[array64.index(char)])
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except Exception as e:
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print("Error writing to output file {}: {}".format(outputPath, e))
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else:
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for char in payloadB64:
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print(cipherArray[array64.index(char)].strip())
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Transform file into obfuscated text file.')
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parser.add_argument('-i', "--input", type=str, help='Payload File Path', required=True)
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parser.add_argument('-c', "--cipher", type=str, help='Cipher File Path', required=True)
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parser.add_argument('-o', "--output", type=str, help='Output File Path', default="")
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parser.add_argument('-p', "--password", type=str, help='Password', default=None)
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args = parser.parse_args()
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Cloakify(args.input, args.cipher, args.output, args.password)
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