mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-28 19:08:19 +00:00
94 lines
3.1 KiB
Python
Executable File
94 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# Author: Gabriele 'matrix' Gristina
|
|
# Version: 2.0
|
|
# Date: Thu 12 Aug 2021 06:44:14 PM CEST
|
|
# License: MIT
|
|
|
|
# Extract metamask vault from browser and save to file, then you can use this tool
|
|
# reference: https://metamask.zendesk.com/hc/en-us/articles/360018766351-How-to-use-the-Vault-Decryptor-with-the-MetaMask-Vault-Data
|
|
# From version 2.0 works also for Metamask Mobile
|
|
# reference: https://github.com/3rdIteration/btcrecover/pull/346
|
|
|
|
import json
|
|
import argparse
|
|
import base64
|
|
|
|
def metamask_parser(file, shortdata):
|
|
try:
|
|
f = open(file)
|
|
|
|
j = json.load(f)
|
|
|
|
isMobile = False
|
|
|
|
if 'engine' not in j:
|
|
if 'salt' not in j or 'iv' not in j or 'data' not in j:
|
|
print("! Invalid vault format ...")
|
|
parser.print_help()
|
|
exit(1)
|
|
else:
|
|
f.close()
|
|
wallet_data = open(file, "rb").read().decode("utf-8","ignore").replace("\\","")
|
|
|
|
# taken from https://github.com/3rdIteration/btcrecover/blob/master/btcrecover/btcrpass.py#L3096-L3103
|
|
walletStartText = "vault"
|
|
wallet_data_start = wallet_data.lower().find(walletStartText)
|
|
wallet_data_trimmed = wallet_data[wallet_data_start:]
|
|
wallet_data_start = wallet_data_trimmed.find("cipher")
|
|
wallet_data_trimmed = wallet_data_trimmed[wallet_data_start - 2:]
|
|
wallet_data_end = wallet_data_trimmed.find("}")
|
|
wallet_data = wallet_data_trimmed[:wallet_data_end + 1]
|
|
wallet_json = json.loads(wallet_data)
|
|
|
|
j = json.loads(wallet_data)
|
|
|
|
if 'lib' in j and 'original' in j['lib']:
|
|
isMobile = True
|
|
else:
|
|
print("! Invalid vault format ...")
|
|
parser.print_help()
|
|
exit(1)
|
|
|
|
if isMobile is False:
|
|
|
|
if((len(j['data']) > 3000) or shortdata):
|
|
data_bin = base64.b64decode(j['data'])
|
|
# TODO limit data to 16 bytes, we only check the first block of data, so we don't need more data.
|
|
# The use of smaller buffers should speedup the attack.
|
|
# Still the pbkdf 10k iter will be taking the most time by far probably.
|
|
j['data'] = base64.b64encode(data_bin[0:64]).decode("ascii")
|
|
|
|
print('$metamask-short$' + j['salt'] + '$' + j['iv'] + '$' + j['data'])
|
|
else:
|
|
print('$metamask$' + j['salt'] + '$' + j['iv'] + '$' + j['data'])
|
|
|
|
else:
|
|
|
|
# extract only first 16 bytes of ciphertext
|
|
|
|
cipher_bin = base64.b64decode(j['cipher'])
|
|
j['cipher'] = base64.b64encode(cipher_bin[:16]).decode("ascii")
|
|
|
|
print('$metamaskMobile$' + j['salt'] + '$' + j['iv'] + '$' + j['cipher'])
|
|
|
|
except ValueError as e:
|
|
parser.print_help()
|
|
exit(1)
|
|
|
|
exit(0)
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(description="metamask2hashcat.py extraction tool")
|
|
parser.add_argument('--vault', required=True, help='set metamask vault (json) file from path', type=str)
|
|
parser.add_argument('--shortdata', help='force short data, can only be used with m26610, ', action='store_true')
|
|
|
|
args = parser.parse_args()
|
|
|
|
if args.vault:
|
|
metamask_parser(args.vault, args.shortdata)
|
|
else:
|
|
parser.print_help()
|
|
exit(1)
|