Chrome cookies - Printable Version

Code
# Based on:

#     https://gist.github.com/DakuTree/98c8362fb424351b803e

#     https://gist.github.com/jordan-wright/5770442

#     https://gist.github.com/DakuTree/428e5b737306937628f2944fbfdc4ffc

#     https://stackoverflow.com/questions/60416350/chrome-80-how-to-decode-cookies

#     https://stackoverflow.com/questions/43987779/python-module-crypto-cipher-aes-has-no-attribute-mode-ccm-even-though-pycry



import os

import json

import base64

import sqlite3

from shutil import copyfile



# python.exe -m pip install pypiwin32

import win32crypt

# python.exe -m pip install pycryptodomex

from Cryptodome.Cipher import AES



# Copy Cookies and Local_State to current folder

#copyfile(os.getenv("APPDATA") + "/../Local/Google/Chrome/User Data/Default/Cookies", './Cookies')



# Load encryption key

encrypted_key = None

with open("./Local State", 'r') as file:

    encrypted_key = json.loads(file.read())['os_crypt']['encrypted_key']

encrypted_key = base64.b64decode(encrypted_key)

encrypted_key = encrypted_key[5:]

print(encrypted_key);

decrypted_key = win32crypt.CryptUnprotectData(encrypted_key, None, None, None, 0)[1]

decrypted_value2 = '';



# Connect to the Database

conn = sqlite3.connect('./Cookies')

cursor = conn.cursor()



# Get the results

cursor.execute('SELECT host_key, name, value, encrypted_value FROM cookies')

for host_key, name, value, encrypted_value in cursor.fetchall():

    # Decrypt the encrypted_value

    

    try:

        # Try to decrypt as AES (2020 method)



        cipher = AES.new(decrypted_key, AES.MODE_GCM, nonce=encrypted_value[3:3+12])

        decrypted_value = cipher.decrypt_and_verify(encrypted_value[3+12:-16], encrypted_value[-16:])

    except:

        # If failed try with the old method

        

        decrypted_value = win32crypt.CryptUnprotectData(encrypted_value, None, None, None, 0)[1].decode('utf-8') or value or 0



    # Update the cookies with the decrypted value

    # This also makes all session cookies persistent

    cursor.execute('\

        UPDATE cookies SET value = ?, has_expires = 1, expires_utc = 99999999999999999, is_persistent = 1, is_secure = 0\

        WHERE host_key = ?\

        AND name = ?',

        (decrypted_value, host_key, name));



cursor.execute('SELECT host_key, name, value, encrypted_value FROM cookies')

for host_key, name, value, encrypted_value in cursor.fetchall():

    # Decrypt the encrypted_value

    

    cipher = AES.new(decrypted_key, AES.MODE_GCM, nonce=encrypted_value[3:3+12])

    decrypted_value = win32crypt.CryptUnprotectData(encrypted_value, None, None, None, 0)[1].decode(

        'utf-8') or value or 0

    # Append 'hello' at the end of file

    #line = decrypted_value.decode('UTF-8') + '' + host_key.decode('UTF-8') + ' ' + name.decode('UTF-8')

    f = open('chrome.txt', 'a')

    f.write('key: ' + host_key + '\n name: ' + name + '\n Value:' + decrypted_value.decode('UTF-8') + '\n')

    f.close()









print('here')

conn.commit()



conn.close()