mirror of
https://github.com/hashcat/hashcat.git
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163 lines
4.8 KiB
Python
Executable File
163 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python
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"""Utility to extract Bitwarden hash for hashcat from Google Chrome / Firefox / Desktop local data"""
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#
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# Based on bitwarden2john.py https://github.com/willstruggle/john/blob/master/bitwarden2john.py
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#
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# Various data locations are documented here: https://bitwarden.com/help/data-storage/#on-your-local-machine
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#
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# Author: https://github.com/Greexter
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# License: MIT
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#
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import os
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import argparse
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import sys
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import base64
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import traceback
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try:
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import json
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assert json
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except ImportError:
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try:
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import simplejson as json
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except ImportError:
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print("Please install json module which is currently not installed.\n", file=sys.stderr)
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sys.exit(-1)
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def process_sqlite(path):
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try:
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import snappy
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except ImportError:
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print("Please install python-snappy module.\n", file=sys.stderr)
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sys.exit(-1)
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try:
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import sqlite3
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except ImportError:
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print("Please install sqlite3 module.\n", file=sys.stderr)
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sys.exit(-1)
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conn = sqlite3.connect(path)
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cur = conn.cursor()
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data = cur.execute('SELECT * FROM object_data')
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fetched = data.fetchall()
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# uses undocumented nonstandard data format
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# probably can break in the future
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dataValue = snappy.decompress(fetched[0][4])
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key_hash = dataValue.split(b"keyHash")[1][9:53].decode()
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email = dataValue.split(b"email")[1][11:].split(b'\x00')[0].decode()
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iterations = int.from_bytes(dataValue.split(b"kdfIterations")[1][3:7], byteorder="little")
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return [(email, key_hash, iterations)]
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def process_leveldb(path):
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try:
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import leveldb
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except ImportError:
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print("Please install the leveldb module for full functionality!\n", file=sys.stderr)
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sys.exit(-1)
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db = leveldb.LevelDB(path, create_if_missing=False)
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try:
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out = []
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accIds = db.Get(b'authenticatedAccounts')
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accIds = json.loads(accIds)
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for id in accIds:
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authAccData = db.Get(id.strip('"').encode())
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out.append(extract_json_profile(json.loads(authAccData)))
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return out
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except(KeyError):
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# support for older Bitwarden versions (before account switch implementation)
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# data is stored in different format
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print("Failed to extract data, trying old format.", file=sys.stderr)
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email = db.Get(b'userEmail')\
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.decode('utf-8')\
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.strip('"')
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key_hash = db.Get(b'keyHash')\
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.decode("ascii").strip('"')
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iterations = int(db.Get(b'kdfIterations').decode("ascii"))
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return [(email, key_hash, iterations)]
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def process_json(data):
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data = json.loads(data)
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try:
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out = []
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accIds = data["authenticatedAccounts"]
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for id in accIds:
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authAccData = data[id.strip('"')]
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out.append(extract_json_profile(authAccData))
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return out
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except(KeyError):
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print("Failed to extract data, trying old format.", file=sys.stderr)
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email = data["rememberedEmail"]
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hash = data["keyHash"]
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iterations = data["kdfIterations"]
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return [(email, hash, iterations)]
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def extract_json_profile(data):
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profile = data["profile"]
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email = profile["email"]
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iterations = profile["kdfIterations"]
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hash = profile["keyHash"]
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return email, hash, iterations
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def process_file(filename, legacy = False):
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try:
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if os.path.isdir(filename):
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# Chromium based
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data = process_leveldb(filename)
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elif filename.endswith(".sqlite"):
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# Firefox
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data = process_sqlite(filename)
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elif filename.endswith(".json"):
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# json - Desktop
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with open(filename, "rb") as f:
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data = f.read()
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data = process_json(data)
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else:
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print("Unknown storage. Don't know how to extract data.", file=sys.stderr)
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sys.exit(-1)
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except (ValueError, KeyError):
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traceback.print_exc()
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print("Missing values, user is probably logged out.", file=sys.stderr)
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return
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except:
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traceback.print_exc()
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return
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iterations2 = 1 if legacy else 2
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for entry in data:
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if len(entry) != 3:
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print("[error] %s could not be parsed properly!\nUser is probably logged out." % filename, file=sys.stderr)
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continue
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print("$bitwarden$2*%d*%d*%s*%s" %
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(entry[2], iterations2, base64.b64encode(entry[0].encode("ascii")).decode("ascii"), entry[1]))
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("paths", type=str, nargs="+")
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parser.add_argument("--legacy", action="store_true", help="Used for older versions of Bitwarden (before static iteration count had been changed).")
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args = parser.parse_args()
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for p in args.paths:
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process_file(p, args.legacy)
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