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hashcat/tools/vmwarevmx2hashcat.py

77 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Based on "pyvmx-cracker" (https://github.com/axcheron/pyvmx-cracker) (MIT license)
# Author: Gabriele 'matrix' Gristina
# Version: 1.0
# Date: Tue 13 Jul 2021 01:29:23 PM CEST
# License: MIT
import argparse
from urllib.parse import unquote
from binascii import hexlify
import re
import base64
ks_re = '.+phrase/(.*?)/pass2key=(.*?):cipher=(.*?):rounds=(.*?):salt=(.*?),(.*?),(.*?)\)'
ks_struct = {
'password_hash': None,
'password_cipher': None,
'hash_round': None,
'salt': None,
'dict': None
}
def parse_keysafe(file):
try:
with open(file, 'r') as data:
lines = data.readlines()
except (OSError, IOError):
sys.exit('[-] Cannot read from file ' + data)
for line in lines:
if 'encryption.keySafe' in line:
keysafe = line
keysafe = unquote(keysafe)
match = re.match(ks_re, keysafe)
if not match:
msg = 'Unsupported format of the encryption.keySafe line:\n' + keysafe
raise ValueError(msg)
vmx_ks = ks_struct
vmx_ks['password_hash'] = match.group(2)
if vmx_ks['password_hash'] != 'PBKDF2-HMAC-SHA-1':
msg = 'Unsupported password hash format: ' + vmx_ks['password_hash']
raise ValueError(msg)
vmx_ks['password_cipher'] = match.group(3)
if vmx_ks['password_cipher'] != 'AES-256':
msg = 'Unsupported cypher format: ' + vmx_ks['password_cypher']
raise ValueError(msg)
vmx_ks['hash_round'] = int(match.group(4))
vmx_ks['salt'] = base64.b64decode(unquote(match.group(5)))
vmx_ks['dict'] = base64.b64decode(match.group(7))[0:32]
return vmx_ks
def pyvmx(vmx):
keysafe = parse_keysafe(vmx)
print("$vmx$0$" + str(keysafe['hash_round']) + "$" + hexlify(keysafe['salt']).decode() + "$" + hexlify(keysafe['dict']).decode())
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="vmwarevmx2hashcat extraction tool")
parser.add_argument('--vmx', required=True, help='set vmware vmx file from path', type=str)
args = parser.parse_args()
if args.vmx:
pyvmx(args.vmx)
else:
parser.print_help()
exit(1)