Awesome
crypto-identifier
Crypto tool for pentest and ctf : try to uncipher data using multiple algorithms and block chaining modes. Usefull for a quick check on unknown cipher text and key dictionary
Supported Algorithms :
- AES
- ARC2
- ARC4
- Blowfish
- CAST
- DES
- DES3
- XOR
Supported modes :
- ECB
- CBC
- CFB
- OFB
Usage:
python ./crypto_identifier.py --help
usage: crypto_identifier.py [-h] --input INPUT [--key KEY] [--keys KEYS]
[--printable] [--grep GREP]
[--algo {ARC4,CAST,AES,XOR,ARC2,DES,Blowfish,DES3}]
[--mode {ECB,CBC,CFB,OFB}]
optional arguments:
-h, --help show this help message and exit
--input INPUT, -i INPUT
input string (base64)
--key KEY, -k KEY key string
--keys KEYS, -ks KEYS
keys file
--printable, -p display only printable results
--grep GREP, -g GREP grep string in results
--algo {ARC4,CAST,AES,XOR,ARC2,DES,Blowfish,DES3}, -a {ARC4,CAST,AES,XOR,ARC2,DES,Blowfish,DES3}
cipher algo to use
--mode {ECB,CBC,CFB,OFB}, -m {ECB,CBC,CFB,OFB}
block chaining mode to use
Examples :
Multi ciphers + modes
python ./crypto_identifier.py --input "WpbizgqtUDjD5TV5ELVswFL92ao3T41T" --key secret
CAST128Cipher (ECB) : secret (with IV): '\x95\x12(\x8d0_O8\xc7\xb6\x1f\x9b\xc1\xbd5\xe0'
CAST128Cipher (CBC) : secret (with IV): '\xcf\x84\xcaC:\xf2\x1f\x00\x04S*\xe2\xd1\x08Y '
CAST128Cipher (CFB) : secret (with IV): '\x0f\nF\x83\xd6\xbe\x942\xc4\xcco\x11p\xa7\x81\xd5'
CAST128Cipher (OFB) : secret (with IV): '\x0f\xfb\xd1\x01\xd2L\xed\x18\xc1\x1c5^\xfdv\xab\xfb'
AESCipher (CFB) : secret (with IV): '\x14\xa9%\xfdN\xa3F\xbf\x9b7,0@"\xf6\xb14V\xfb{F\xc2\xcf?'
ARC2 (ECB) : secret (with IV): '\xab4\x8ac\x93 \xe6\xca\x19\xe7\x15M\x7f\xa7\xe8'
ARC2 (CBC) : secret (with IV): '\xf1\xa2h\xad\x99\x8dp\xde\t\xfc\xd2l]\xca\xcb('
ARC2 (CFB) : secret (with IV): '\xb8\x06r\xaa\x0fX\x8c\x92)\x00\xc0\xed\x0e\xa8\x0e\xa7'
ARC2 (OFB) : secret (with IV): '\xb87}9{\xc8f\xa3\x99\xe4\xda?,\x01`\x11'
DESCipher (ECB) : secret (with IV): 'a DES test case'
DESCipher (CBC) : secret (with IV): ';\xb6\xa6\x8bY\x8d$]\xb0\x91\x15\x1aq\xc6\t\xc0'
DESCipher (CFB) : secret (with IV): '\xc0\x06\xe6\x7fl\xae\x8bv\xee\xcf\x8c[\x88\x07!\x07'
DESCipher (OFB) : secret (with IV): '\xc0\x86ug\x1f\x16\xd4)\xff0\xc3\x07-\x10&\x80'
BlowfishCipher (ECB) : secret (with IV): '\x1eBkl\xbe\x14\x81\x8c9*\xaa\xee\xebW-3'
BlowfishCipher (CBC) : secret (with IV): 'D\xd4\x89\xa2\xb4\xb9\xd1\xb4\xfa\xcf\x9f\x97\xfb\xe2A\xf3'
BlowfishCipher (CFB) : secret (with IV): '\x83\xf59\xea`-\xfdd8KN\xb0\xcfYo\xef'
BlowfishCipher (OFB) : secret (with IV): '\x83\xd1V\x01\xdf\xad^\tkP5\x94\xeer\xa0\x9f'
DES3Cipher (ECB) : secret (with IV): "<\x00ml\xa0\xc1\x84\\\xcf\x1e,o'\xbd\xa1\xa8"
DES3Cipher (CBC) : secret (with IV): 'f\x96\x8f\xa2\xaal\xd4d\x0c\xfb\x19\x167\x08\xcdh'
DES3Cipher (CFB) : secret (with IV): '\x8e\xe2\x04\x9a\xaa\x08\xedJ\xfd%(\xa2F\x92\x06\xa9'
DES3Cipher (OFB) : secret (with IV): '\x8eS+\x18\xce[\xc5\x0f\x13\xc7k8\xde\xbc\xdaF'
ARC4Cipher : secret : '\xb7\xa00\xd2\x88\t\x86\x9e\xf1.\x8e\xa5\xe3S\x99\xf7\xff\xca\xabH\xb4\xbcI\x0f'
CAST128Cipher (ECB) : secret : '\xc7\xcby\r\xd4\xe6\xcf\xa7\x95\x12(\x8d0_O8\xc7\xb6\x1f\x9b\xc1\xbd5\xe0'
CAST128Cipher (CBC) : secret : '\xc7\xcby\r\xd4\xe6\xcf\xa7\xcf\x84\xcaC:\xf2\x1f\x00\x04S*\xe2\xd1\x08Y '
CAST128Cipher (CFB) : secret : '\xc6\xa4<\xf0>\xe3\x1dg\x0f\nF\x83\xd6\xbe\x942\xc4\xcco\x11p\xa7\x81\xd5'
CAST128Cipher (OFB) : secret : '\xc6\x8a"?\xd5#=\x9931;a\xdaB\xd0v\xcbQ>6+L\xc1\x9d'
AESCipher (CFB) : secret : '\x14\xa9%\xfdN\xa3F\xbf\x9b7,0@"\xf6\xb14V\xfb{F\xc2\xcf?'
XORCipher : secret : ")\xf3\x81\xbco\xd9#]\xa0\x97P\rc\xd0\x0f\xb27\x89\xaa\xcfT=\xe8'"
ARC2 (ECB) : secret : '\x97 \xb6\x9b\xb5Z\x8a\xdc\xab4\x8ac\x93 \xe6\xca\x19\xe7\x15M\x7f\xa7\xe8'
ARC2 (CBC) : secret : '\x97 \xb6\x9b\xb5Z\x8a\xdc\xf1\xa2h\xad\x99\x8dp\xde\t\xfc\xd2l]\xca\xcb('
ARC2 (CFB) : secret : 'U\xef\x12x\x0b\x88\x87*\xb8\x06r\xaa\x0fX\x8c\x92)\x00\xc0\xed\x0e\xa8\x0e\xa7'
ARC2 (OFB) : secret : 'U\r\x86r\xfc|2\xbf\xfb\xb0\xa2\xaf\xba\xe0\xad\x8f6\x9aY\xd9\x926\x8c{'
DESCipher (ECB) : secret : 'This is a DES test case'
DESCipher (CBC) : secret : 'This is ;\xb6\xa6\x8bY\x8d$]\xb0\x91\x15\x1aq\xc6\t\xc0'
DESCipher (CFB) : secret : '>>\xd2\xfd\xe4\xf0!y\xc0\x06\xe6\x7fl\xae\x8bv\xee\xcf\x8c[\x88\x07!\x07'
DESCipher (OFB) : secret : '>\x1942H\x03\x04\xd6\x9a\xbd2v\x9b\x16\x19\r\xb0\xe5&\x1e(\xce\x0f\x12'
BlowfishCipher (ECB) : secret : '\xac\xb6\xcbz\xe8\xd76\x91\x1eBkl\xbe\x14\x81\x8c9*\xaa\xee\xebW-3'
BlowfishCipher (CBC) : secret : '\xac\xb6\xcbz\xe8\xd76\x91D\xd4\x89\xa2\xb4\xb9\xd1\xb4\xfa\xcf\x9f\x97\xfb\xe2A\xf3'
BlowfishCipher (CFB) : secret : '#X\xe0\rS\xf0y\xfe\x83\xf59\xea`-\xfdd8KN\xb0\xcfYo\xef'
BlowfishCipher (OFB) : secret : '#?\xa1\x06T\x7f\x98\x19\x0b\x000\xf3\x1a\xa9\x08.\x94\x8f\xd1a\x9c\x16\xe6\xb1'
DES3Cipher (ECB) : secret : "\x90\xc9\xa5\xd0\x18)'\x94<\x00ml\xa0\xc1\x84\\\xcf\x1e,o'\xbd\xa1\xa8"
DES3Cipher (CBC) : secret : "\x90\xc9\xa5\xd0\x18)'\x94f\x96\x8f\xa2\xaal\xd4d\x0c\xfb\x19\x167\x08\xcdh"
DES3Cipher (CFB) : secret : 'zp-\x9d\xb5\xe8R\x1a\x8e\xe2\x04\x9a\xaa\x08\xedJ\xfd%(\xa2F\x92\x06\xa9'
DES3Cipher (OFB) : secret : 'z\xe1DY\x07\x17#Y6n\xbf\xd8\x15%\xbc\x0f<M\x9c\xa60I\x9a\xbe'
Multi ciphers + modes, print only printable results
python ./crypto_identifier.py --input "WpbizgqtUDjD5TV5ELVswFL92ao3T41T" --key secret --printable
DESCipher (ECB) : secret (with IV): a DES test case
DESCipher (ECB) : secret : This is a DES test case
Single cipher / single mode
python ./crypto_identifier.py --input "WpbizgqtUDjD5TV5ELVswFL92ao3T41T" --key secret --algo DES --mode ECB
DESCipher (ECB) : secret (with IV): 'a DES test case'
DESCipher (ECB) : secret : 'This is a DES test case'
using a dictionary as keys
python ./crypto_identifier.py --input "WpbizgqtUDjD5TV5ELVswFL92ao3T41T" --keys ./500-worst-passwords.txt --printable
DESCipher (ECB) : secret (with IV): a DES test case
DESCipher (ECB) : secret : This is a DES test case
Requirements:
Python 2.7 / 3.x
- Argparse
- Crypto
License
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"THE BEER-WARE LICENSE" (Revision 42):
Ganapati (@G4N4P4T1) wrote this file. As long as you retain this notice you
can do whatever you want with this stuff. If we meet some day, and you think
this stuff is worth it, you can buy me a beer in return.
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