由于Chrome会将大量浏览数据本地保存磁盘中，在本教程中，我们将编写 Python 代码来提取 Windows 计算机上 Chrome 中保存的密码。
首先，让我们安装所需的库：
pip install pycryptodome pypiwin32
打开一个新的 Python 文件，并导入必要的模块：
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import osimport jsonimport base64import sqlite3import win32cryptfrom Crypto.Cipher import AESimport shutilfrom datetime import timezone, datetime, timedelta |
在直接进入提取 chrome密码之前，我们需要定义一些有用的函数来帮助我们在主函数中。
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def get_chrome_datetime(chromedate): """从chrome格式的datetime返回一个`datetime.datetime`对象因为'chromedate'的格式是1601年1月以来的微秒数""" return datetime(1601, 1, 1) + timedelta(microseconds=chromedate)def get_encryption_key(): local_state_path = os.path.join(os.environ["USERPROFILE"],"AppData", "Local", "Google", "Chrome","User Data", "Local State") with open(local_state_path, "r", encoding="utf-8") as f: local_state = f.read() local_state = json.loads(local_state) # 从Base64解码加密密钥 key = base64.b64decode(local_state["os_crypt"]["encrypted_key"]) # 删除 DPAPI str key = key[5:] # 返回最初加密的解密密钥 # 使用从当前用户的登录凭据派生的会话密钥 # 官方文档doc: http://timgolden.me.uk/pywin32-docs/win32crypt.html return win32crypt.CryptUnprotectData(key, None, None, None, 0)[1]def decrypt_password(password, key): try: # 获取初始化向量 iv = password[3:15] password = password[15:] # 生成密码 cipher = AES.new(key, AES.MODE_GCM, iv) # 解密密码 return cipher.decrypt(password)[:-16].decode() except: try: return str(win32crypt.CryptUnprotectData(password, None, None, None, 0)[1]) except: # not supported return "" |
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get_chrome_datetime()函数负责将 chrome 日期格式转换为人类可读的日期时间格式。 -
get_encryption_key()函数提取并解码用于加密密码的AES密钥，这"%USERPROFILE%\AppData\Local\Google\Chrome\User Data\Local State"作为 JSON 文件存储在路径中 -
decrypt_password()将加密密码和 AES 密钥作为参数，并返回密码的解密版本。
下面是main主要功能：
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def main(): # 获取AES密钥 key = get_encryption_key() # 本地sqlite Chrome数据库路径 db_path = os.path.join(os.environ["USERPROFILE"], "AppData", "Local","Google", "Chrome", "User Data", "default", "Login Data") # 将文件复制到其他位置 # 因为如果chrome当前正在运行，数据库将被锁定 filename = "ChromeData.db" shutil.copyfile(db_path, filename) # 连接数据库 db = sqlite3.connect(filename) cursor = db.cursor() # 登录表中有我们需要的数据 cursor.execute("select origin_url, action_url, username_value, password_value, date_created, date_last_used from logins order by date_created") # iterate over all rows for row in cursor.fetchall(): origin_url = row[0] action_url = row[1] username = row[2] password = decrypt_password(row[3], key) date_created = row[4] date_last_used = row[5] if username or password: print(f"Origin URL: {origin_url}") print(f"Action URL: {action_url}") print(f"Username: {username}") print(f"Password: {password}") else: continue if date_created != 86400000000 and date_created: print(f"Creation date: {str(get_chrome_datetime(date_created))}") if date_last_used != 86400000000 and date_last_used: print(f"Last Used: {str(get_chrome_datetime(date_last_used))}") print("="*50) cursor.close() db.close() try: # 尝试删除复制的db文件 os.remove(filename) except: pass |
首先，我们使用之前定义的get_encryption_key()函数获取加密密钥，然后我们将 sqlite 数据库（位于"%USERPROFILE%\AppData\Local\Google\Chrome\User Data\default\Login Data"保存密码的位置）复制到当前目录并连接到它，这是因为原始数据库文件将被锁定Chrome 当前正在运行。
之后，我们对登录表进行选择查询并遍历所有登录行，我们还解密每个密码date_created并将date_last_used日期时间重新格式化为更易于阅读的格式。
最后，我们打印凭据并从当前目录中删除数据库副本。
让我们调用主函数，完美提取Chrome浏览器保存的密码：
完整代码
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import osimport jsonimport base64import sqlite3import win32cryptfrom Crypto.Cipher import AESimport shutilfrom datetime import datetime, timedeltadef get_chrome_datetime(chromedate): """从chrome格式的datetime返回一个`datetime.datetime`对象因为'chromedate'的格式是1601年1月以来的微秒数""" return datetime(1601, 1, 1) + timedelta(microseconds=chromedate)def get_encryption_key(): local_state_path = os.path.join(os.environ["USERPROFILE"], "AppData", "Local", "Google", "Chrome", "User Data", "Local State") with open(local_state_path, "r", encoding="utf-8") as f: local_state = f.read() local_state = json.loads(local_state) key = base64.b64decode(local_state["os_crypt"]["encrypted_key"]) key = key[5:] return win32crypt.CryptUnprotectData(key, None, None, None, 0)[1]def decrypt_password(password, key): try: iv = password[3:15] password = password[15:] cipher = AES.new(key, AES.MODE_GCM, iv) return cipher.decrypt(password)[:-16].decode() except: try: return str(win32crypt.CryptUnprotectData(password, None, None, None, 0)[1]) except: # not supported return ""def main(): key = get_encryption_key() db_path = os.path.join(os.environ["USERPROFILE"], "AppData", "Local", "Google", "Chrome", "User Data", "default", "Login Data") filename = "ChromeData.db" shutil.copyfile(db_path, filename) db = sqlite3.connect(filename) cursor = db.cursor() cursor.execute("select origin_url, action_url, username_value, password_value, date_created, date_last_used from logins order by date_created") # iterate over all rows for row in cursor.fetchall(): origin_url = row[0] action_url = row[1] username = row[2] password = decrypt_password(row[3], key) date_created = row[4] date_last_used = row[5] if username or password: print(f"Origin URL: {origin_url}") print(f"Action URL: {action_url}") print(f"Username: {username}") print(f"Password: {password}") else: continue if date_created != 86400000000 and date_created: print(f"Creation date: {str(get_chrome_datetime(date_created))}") if date_last_used != 86400000000 and date_last_used: print(f"Last Used: {str(get_chrome_datetime(date_last_used))}") print("="*50) cursor.close() db.close() try: # try to remove the copied db file os.remove(filename) except: passif __name__ == "__main__": main() |
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原文链接：https://blog.csdn.net/weixin_44510615/article/details/117712414
