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hashcat/tools/virtualbox2hashcat.py

81 lines
2.3 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Based on "pyvboxdie-cracker" (https://github.com/axcheron/pyvboxdie-cracker) (MIT license)
# Author: Gabriele 'matrix' Gristina
# Version: 1.0
# Date: Sat 17 Jul 2021 05:36:37 PM CEST
# License: MIT
import argparse
import xml.dom.minidom
import base64
from struct import *
from binascii import hexlify
keystore_struct = {
'FileHeader': None,
'Version': None,
'EVP_Algorithm': None,
'PBKDF2_Hash': None,
'Key_Length': None,
'Final_Hash': None,
'KL2_PBKDF2': None,
'Salt2_PBKDF2' : None,
'Iteration2_PBKDF2': None,
'Salt1_PBKDF2': None,
'Iteration1_PBKDF2': None,
'EVP_Length': None,
'Enc_Password': None
}
def parse_keystore(file):
keystore = None
try:
fh_vbox = xml.dom.minidom.parse(file)
except IOError:
print('[-] Cannot open:', file)
exit(1)
hds = fh_vbox.getElementsByTagName("HardDisk")
# TODO - Clean up & exceptions
if len(hds) == 0:
print('[-] No hard drive found')
exit(1)
else:
for disk in hds:
is_enc = disk.getElementsByTagName("Property")
if is_enc:
data = disk.getElementsByTagName("Property")[1]
keystore = data.getAttribute("value")
raw_ks = base64.decodebytes(keystore.encode())
unpkt_ks = unpack('<4sxb32s32sI32sI32sI32sII64s', raw_ks)
idx = 0
ks = keystore_struct
for key in ks.keys():
ks[key] = unpkt_ks[idx]
idx += 1
return ks
def pyvboxdie(vbox):
keystore = parse_keystore(vbox)
print("$vbox$0$" + str(keystore['Iteration1_PBKDF2']) + "$" + hexlify(keystore['Salt1_PBKDF2']).decode() + "$" + str(int(keystore['Key_Length'] / 4)) + "$" + hexlify(keystore['Enc_Password'][0:keystore['Key_Length']]).decode() + "$" + str(keystore['Iteration2_PBKDF2']) + "$" + hexlify(keystore['Salt2_PBKDF2']).decode() + "$" + hexlify(keystore['Final_Hash'].rstrip(b'\x00')).decode())
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="virtualbox2hashcat extraction tool")
parser.add_argument('--vbox', required=True, help='set virtualbox vbox file from path', type=str)
args = parser.parse_args()
if args.vbox:
pyvboxdie(args.vbox)
else:
parser.print_help()
exit(1)