mirror of https://github.com/Diazole/dumper.git
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This commit is contained in:
wvdumper
parent
20c1a9c08e
commit
e202714874
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import io
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import json
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import struct
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from base64 import b64decode, b64encode
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from binascii import hexlify
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def create_table():
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a = []
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for i in range(256):
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k = i << 24
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for _ in range(8):
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k = (k << 1) ^ 0x4c11db7 if k & 0x80000000 else k << 1
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a.append(k & 0xffffffff)
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return a
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def crc32_mpeg(data, length):
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crc_val = 0xFFFFFFFF
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crctab = create_table()
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for i in range(length):
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crc_val = (crctab[(data[i] & 0xFF) ^ (crc_val >> 24)] ^ (crc_val << 8)) & 0xFFFFFFFF
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return crc_val
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class Keybox:
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def __init__(self, keybox_data: any):
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if isinstance(keybox_data, str):
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self.__keybox = b64decode(keybox_data)
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elif isinstance(keybox_data, io.BufferedReader):
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self.__keybox = keybox_data.read()
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elif isinstance(keybox_data, dict):
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self.__keybox = self.__generate_crc(keybox_data)
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else:
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print(type(keybox_data))
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raise ValueError('unable to read the file/string, etc')
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self.__parse()
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@staticmethod
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def __generate_crc(keybox) -> bytes:
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device_id = keybox['device_id']
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device_token = keybox['device_token']
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device_key = keybox['device_key']
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key_box = bytes.fromhex(device_id) + bytes.fromhex(device_key) + bytes.fromhex(device_token) + b'kbox'
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crc = crc32_mpeg(key_box, len(key_box))
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key_box += struct.pack('>I', crc)
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key_box += keybox['security_level'].encode()
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return key_box
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def __parse(self):
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self.device_id = self.__keybox[0:32]
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# this is the aes key
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self.device_key = self.__keybox[32:48]
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self.device_token = self.__keybox[48:120]
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self.keybox_tag = self.__keybox[120:124]
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self.crc32 = struct.unpack('>I', self.__keybox[124:128])[0]
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self.crc32_raw = hexlify(self.__keybox[124:128])
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# this is optional, most likely not required
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self.level_tag = self.__keybox[128:132]
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self.flags = struct.unpack(">L", self.__keybox[48:120][0:4])[0]
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self.version = struct.unpack(">I", self.__keybox[48:52])[0]
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self.system_id = struct.unpack(">I", self.__keybox[52:56])[0]
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# or unique_id as in wv pdf, encrypted by pre-provisioning key
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self.provisioning_id = self.__keybox[56:72]
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# encrypted with unique id, contains device key, device key hash, and flags
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self.encrypted_bits = self.__keybox[72:120]
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def __repr__(self):
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return json.dumps({
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'device_id': b64encode(self.device_id).decode(),
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'device_id_size': len(self.device_id),
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'device_key': b64encode(self.device_key).decode(),
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'device_token': b64encode(self.device_token).decode(),
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'device_token_size': len(self.device_token),
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'kbox_tag': self.keybox_tag.decode(),
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'crc32': self.crc32,
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'crc32_raw': self.crc32_raw.decode(),
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'lvl1_tag': self.level_tag.decode(),
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'flags': self.flags,
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'released': True if self.flags & 2 == 2 else False,
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'version': self.version,
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'system_id': self.system_id,
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'provisioning_id': b64encode(self.provisioning_id).decode(),
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'encrypted_bits': b64encode(self.encrypted_bits).decode(),
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'keybox': b64encode(self.__keybox).decode()
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}, indent=4)
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def get_keybox(self):
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return self.__keybox
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import os
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import json
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from Crypto.PublicKey import RSA
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from google.protobuf import message
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import logging
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from Helpers.Keybox import Keybox
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from Helpers.wv_proto2_pb2 import SignedLicenseRequest
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class Scan:
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def __init__(self, device_name):
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self.logger = logging.getLogger(__name__)
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self.KEY_DUMP_LOC = 'keydump/'
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self.device_name = device_name
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self.saved_keys = {}
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self.frida_script = open('Helpers/script.js', 'r').read()
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self.device = {
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'device_id': None,
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'device_token': None,
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'device_key': os.urandom(16).hex(),
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'security_level': ''
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}
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self.widevine_libraries = [
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'libwvhidl.so',
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'libwvdrmengine.so',
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'liboemcrypto.so',
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'libmediadrm.so',
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'libwvdrm_L1.so',
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'libWVStreamControlAPI_L1.so',
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'libdrmwvmplugin.so',
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'libwvm.so'
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]
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def export_key(self, k):
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root = SignedLicenseRequest()
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root.ParseFromString(k['id'])
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cid = root.Msg.ClientId
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system_id = cid.Token._DeviceCertificate.SystemId
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save_dir = os.path.join('key_dumps', f'{self.device_name}/private_keys/{system_id}/{str(k["key"].n)[:10]}')
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if not os.path.exists(save_dir):
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os.makedirs(save_dir)
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with open(os.path.join(save_dir, 'client_id.bin'), 'wb+') as writer:
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writer.write(cid.SerializeToString())
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with open(os.path.join(save_dir, 'private_key.pem'), 'wb+') as writer:
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writer.write(k['key'].exportKey('PEM'))
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self.logger.info('Key pairs saved at ' + save_dir)
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def on_message(self, msg, data):
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try:
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if msg['payload'] == 'priv':
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self.logger.debug('processing private key')
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self.private_key_message(msg, data)
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elif msg['payload'] == 'id':
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self.logger.debug('processing id')
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self.license_request_message(data)
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elif msg['payload'] == 'device_id':
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self.logger.debug('processing device id')
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self.device_id_message(data)
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elif msg['payload'] == 'device_token':
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self.logger.debug('processing device token')
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self.device_token_message(data)
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elif msg['payload'] == 'security_level':
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tag = data.decode()
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if tag == 'L1':
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self.device['security_level'] = 'LVL1'
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else:
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self.device['security_level'] = 'LVL3'
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elif msg['payload'] == 'aes_key':
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self.aes_key_message(data)
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elif msg['payload'] == 'message':
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payload = json.loads(data.decode())
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self.logger.debug(
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json.dumps(
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payload,
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indent=4
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)
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)
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elif msg['payload'] == 'message_info':
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self.logger.info(data.decode())
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except:
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self.logger.error('unable to process the message')
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self.logger.error(msg)
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self.logger.error(data)
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def private_key_message(self, private_key_message, data):
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try:
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try:
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key = RSA.importKey(data)
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cur = self.saved_keys.get(key.n, {})
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if 'id' in cur:
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if 'key' not in cur:
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cur['key'] = key
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self.saved_keys[key.n] = cur
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self.export_key(cur)
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else:
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self.saved_keys[key.n] = {'key': key}
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except:
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self.logger.error('unable to load private key')
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self.logger.error(data)
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pass
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except:
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self.logger.error('payload of type priv failed')
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self.logger.error(private_key_message)
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def license_request_message(self, data):
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with open('license_request.bin', 'wb+') as f:
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f.write(data)
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root = SignedLicenseRequest()
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try:
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root.ParseFromString(data)
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except message.DecodeError:
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return
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try:
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key = RSA.importKey(root.Msg.ClientId.Token._DeviceCertificate.PublicKey)
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cur = self.saved_keys.get(key.n, {})
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if 'key' in cur:
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if 'id' not in cur:
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cur['id'] = data
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self.saved_keys[key.n] = cur
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self.export_key(cur)
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else:
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self.saved_keys[key.n] = {'id': data}
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except Exception as error:
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self.logger.error(error)
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def device_id_message(self, data_buffer):
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if not self.device['device_id']:
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self.device['device_id'] = data_buffer.hex()
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if self.device['device_id'] and self.device['device_token'] and self.device['device_key']:
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self.save_key_box()
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def device_token_message(self, data_buffer):
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if not self.device['device_token']:
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self.device['device_token'] = data_buffer.hex()
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if self.device['device_id'] and self.device['device_token']:
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self.save_key_box()
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def aes_key_message(self, data_buffer):
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if not self.device['device_key']:
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self.device['device_key'] = data_buffer.hex()
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if self.device['device_id'] and self.device['device_token']:
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self.save_key_box()
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def find_widevine_process(self, dev, process_name):
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process = dev.attach(process_name)
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script = process.create_script(self.frida_script)
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script.load()
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loaded = []
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try:
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for lib in self.widevine_libraries:
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try:
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loaded.append(script.exports.widevinelibrary(lib))
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except:
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pass
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finally:
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process.detach()
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return loaded
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def hook_to_process(self, device, process, library):
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session = device.attach(process)
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script = session.create_script(self.frida_script)
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script.on('message', self.on_message)
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script.load()
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script.exports.inject(library, process)
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return session
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def save_key_box(self):
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try:
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if self.device['device_id'] is not None and self.device['device_token'] is not None:
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self.logger.info('saving key box')
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keybox = Keybox(self.device)
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box = os.path.join('key_dumps', f'{self.device_name}/key_boxes/{keybox.system_id}')
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self.logger.debug(f'saving to {box}')
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if not os.path.exists(box):
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os.makedirs(box)
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with open(os.path.join(box, f'{keybox.system_id}.bin'), 'wb') as writer:
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writer.write(keybox.get_keybox())
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with open(os.path.join(box, f'{keybox.system_id}.json'), 'w') as writer:
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writer.write(keybox.__repr__())
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self.logger.info(f'saved keybox to {box}')
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except Exception as error:
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self.logger.error('unable to save keybox')
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self.logger.error(error)
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@ -0,0 +1,865 @@
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const KNOWN_DYNAMIC_FUNC = ['ulns', 'cwkfcplc', 'dnvffnze', 'kgaitijd', 'polorucp'];
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function containsLib(library){
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return Process.getModuleByName(library);
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}
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function containsFunction(name, address) {
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var result = false;
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for (var i = 0; i < KNOWN_DYNAMIC_FUNC.length; i++) {
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result = KNOWN_DYNAMIC_FUNC[i] === name;
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if (result) {
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sender_payload({
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from: 'Dynamic Function',
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message: 'L3 RSA Key export function found: ' + name
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});
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return result;
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}
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}
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return result;
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}
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function inject(lib, process_name){
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// printer('Running ' + lib['name'] + ' at ' + lib['base'], 'Hook');
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sender_payload_info(
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'Running ' + lib['name'] + ' at ' + lib['base']
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);
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Hooker(lib, process_name)
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}
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function Hooker(lib, process_name) {
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const name = lib['name'];
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Module.enumerateExportsSync(name).forEach(function(exp){
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try {
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var module_address = exp.address;
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if (exp.name === '_lcc00' || exp.name === '_oecc00') {
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GetLevel3_IsInApp(module_address, process_name);
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} else if (exp.name === '_lcc01' || exp.name === '_oecc01') {
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GetLevel3_Initialize(module_address, process_name);
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} else if (exp.name === '_lcc49' || exp.name === '_oecc49') {
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GetLevel3_GetProvisioningMethod(module_address, process_name);
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} else if (exp.name === '_lcc38' || exp.name === '_oecc38') {
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GetLevel3_GetNumberOfOpenSessions(module_address, process_name);
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} else if (exp.name === '_lcc37' || exp.name === '_oecc37') {
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GetLevel3_GetMaxNumberOfSessions(module_address, process_name);
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} else if (exp.name === '_lcc22' || exp.name === '_oecc22') {
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GetApiVersion(module_address, process_name);
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} else if (exp.name === '_lcc46' || exp.name === '_oecc46') {
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GetSecurityPatchLevel(module_address, process_name);
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} else if (exp.name === '_lcc23' || exp.name === '_oecc23') {
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GetSecurityLevel(module_address, process_name);
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} else if (exp.name === '_lcc90' || exp.name === '_oecc90') {
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GetLevel3_BuildInformation(module_address, process_name);
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} else if (exp.name === '_lcc52' || exp.name === '_oecc52') {
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GetSupportedCertificates(module_address, process_name);
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} else if (exp.name === '_lcc02' || exp.name === '_oecc02') {
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GetLevel3_Terminate_Status(module_address, process_name);
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} else if (exp.name === '_lcc07' || exp.name === '_oecc07') {
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GetLevel3_GetDeviceID(module_address, process_name);
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} else if (exp.name === '_lcc04' || exp.name === '_oecc04') {
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GetLevel3_GetKeyData(module_address, process_name)
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} else if (exp.name === 'OEMCrypto_LoadKeys_Back_Compat') {
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GetLevel3_LoadKeys(module_address, process_name);
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} else if (exp.name === '_lcc12' || exp.name === '_oecc12') {
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GetLevel3_GenerateDerivedKeys(module_address, process_name);
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} else if (exp.name === '_lcc13' || exp.name === '_oecc13') {
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GetLevel3_GenerateSignature(module_address, process_name);
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} else if (exp.name === '_lcc50' || exp.name === '_oecc50') {
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GetLevel3_GetOEMPublicCertificate(module_address, process_name);
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} else if (exp.name === '_lcc19' || exp.name === '_oecc19') {
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GetLevel3_LoadDeviceRSAKey(module_address, process_name)
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} else if (exp.name === '_lcc18' || exp.name === '_oecc18') {
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GetLevel3_RewrapDeviceRSAKey(module_address, process_name);
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} else if (exp.name === 'AES_unwrap_key') {
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AES_unwrap_key(module_address, process_name)
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} else if (containsFunction(exp.name, exp.address)) {
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polorucp(module_address, process_name);
|
||||
} else if (exp.name.includes('UsePrivacyMode')) {
|
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UsePrivacyMode(module_address, process_name);
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} else if (exp.name === 'CdmInfo') {
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CdmInfo(module_address, process_name);
|
||||
} else if (exp.name.includes('PrepareKeyRequest')) {
|
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PrepareKeyRequest(module_address, process_name);
|
||||
} else if (exp.name.includes("_ZN14video_widevine25SignedProvisioningMessageC2Ev")) {
|
||||
SignedProvisioningMessage(module_address, process_name)
|
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} else if (exp.name === 'AES_set_encrypt_key') {
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AES_set_encrypt_key(module_address, process_name)
|
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} else if (exp.name.includes('jnyxqs')) {
|
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// this needs to be changed to an array of methods since they all differ between oemcryptos for l1 and l3
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jnyxqs(module_address)
|
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} else if (exp.name === 'fwemrknr') {
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fwemrknr(module_address, process_name)
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} else if (exp.name === 'pbntpypb') {
|
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pbntpypb(module_address, process_name)
|
||||
}
|
||||
} catch (e) {
|
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console.log("Error: " + e + " at F: " + exp.name);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function pbntpypb(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
this.data = {
|
||||
'1': args[0]
|
||||
}
|
||||
},
|
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onLeave: function(returnResult) {
|
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console.log(hexdump(returnResult));
|
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// console.log('onleave')
|
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// console.log('first parameter');
|
||||
// const data = Memory.readPointer(this.data['1']);
|
||||
// const param1 = hexdump(data);
|
||||
// console.log(param1);
|
||||
// console.log('ended')
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function fwemrknr(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
this.data = {
|
||||
'0': args[0],
|
||||
'1': args[1],
|
||||
'2': args[2],
|
||||
'3': args[3],
|
||||
'4': args[4],
|
||||
'5': args[5],
|
||||
'6': args[6],
|
||||
'7': args[7],
|
||||
'8': args[8],
|
||||
'9': args[9],
|
||||
'10': args[10],
|
||||
'11': args[11],
|
||||
'12': args[12],
|
||||
'13': args[13],
|
||||
'14': args[14],
|
||||
'15': args[15],
|
||||
'16': args[16]
|
||||
}
|
||||
},
|
||||
onLeave: function(returnResult) {
|
||||
// console.log('onleave')
|
||||
// console.log('first parameter');
|
||||
// const data = Memory.readPointer(this.data['1']);
|
||||
// const param1 = hexdump(data);
|
||||
// console.log(param1);
|
||||
// console.log('ended')
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function jnyxqs(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
this.data = {
|
||||
'1': args[0],
|
||||
'2': args[1]
|
||||
}
|
||||
},
|
||||
onLeave: function(returnResult) {
|
||||
printer('jnyxqs', process_name);
|
||||
console.log(hexdump(returnResult));
|
||||
console.log(Memory.readByteArray(this.data['1'], this.data['2'].toInt32()));
|
||||
console.log(this.data['2'].toInt32());
|
||||
send('aes_key', Memory.readByteArray(this.data['1'], this.data['2'].toInt32()))
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function ithomqf(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
this.data = {
|
||||
'1': args[0],
|
||||
'2': args[1]
|
||||
}
|
||||
},
|
||||
onLeave: function(returnResult) {
|
||||
printer('ithomqf', process_name);
|
||||
console.log(hexdump(returnResult));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function AES_set_encrypt_key(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
// both of these are pointers
|
||||
this.data = {
|
||||
"userKey": args[0],
|
||||
"bits": args[1],
|
||||
'key': args[2]
|
||||
|
||||
}
|
||||
},
|
||||
onLeave: function (returnResult) {
|
||||
const size = this.data['bits'].toInt32() / 8;
|
||||
const userKey = Memory.readByteArray(this.data['userKey'], size);
|
||||
const key = Memory.readByteArray(this.data['key'], size);
|
||||
printer('return result: ' + returnResult);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'AES_set_encrypt_key',
|
||||
payload: {
|
||||
'size': size,
|
||||
'user_key': byteArrayToHex(userKey),
|
||||
'key': byteArrayToHex(key)
|
||||
|
||||
}
|
||||
}
|
||||
sender_payload(data)
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
function SignedProvisioningMessage(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = args[0]
|
||||
},
|
||||
onLeave: function () {
|
||||
printer('SignedProvisioningMessage', process_name);
|
||||
console.log(this.data);
|
||||
console.log(hexdump(this.data));
|
||||
console.log(hexdump(Memory.readPointer(this.data)));
|
||||
console.log(hexdump(Memory.readPointer(Memory.readPointer(this.data))));
|
||||
console.log(Memory.readByteArray(Memory.readPointer(Memory.readPointer(this.data)), 2000));
|
||||
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function readStdString(str) {
|
||||
const size = str.add(Process.pointerSize).readUInt();
|
||||
return str.add(Process.pointerSize * 2).readPointer().readByteArray(size);
|
||||
}
|
||||
|
||||
function printer(message, origination){
|
||||
console.log('['+origination+']:[INFO]:', message)
|
||||
}
|
||||
|
||||
function CdmInfo(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
console.log('CdmInfo');
|
||||
console.log(JSON.stringify(args))
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function polorucp(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
if (!args[6].isNull()) {
|
||||
const size = args[6].toInt32();
|
||||
if (size >= 1000 && size <= 2000 && !args[5].isNull()) {
|
||||
const k = args[5].readByteArray(size);
|
||||
const view = new Uint8Array(k);
|
||||
if (view[0] === 0x30 && view[1] === 0x82) {
|
||||
const data = {
|
||||
from: process_name,
|
||||
data: 'Captured Private Key'
|
||||
};
|
||||
sender_payload(data);
|
||||
send('priv', k);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function PrepareKeyRequest(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.ret = args[4];
|
||||
},
|
||||
onLeave: function () {
|
||||
if (this.ret) {
|
||||
const message = readStdString(this.ret);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'PrepareKeyRequest, Captured License Request'
|
||||
};
|
||||
sender_payload(data);
|
||||
send('id', message);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function UsePrivacyMode(address, process_name) {
|
||||
Interceptor.attach(address, {
|
||||
onLeave: function (retval) {
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'Replacing PrivacyMode'
|
||||
};
|
||||
sender_payload(data);
|
||||
retval.replace(ptr(0));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function AES_unwrap_key(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
console.log('entering aes unwrap key')
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function GetLevel3_Initialize(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
sender_payload(
|
||||
{
|
||||
from: process_name,
|
||||
message: 'OEMCrypto_Initialize'
|
||||
}
|
||||
)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
function GetApiVersion(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
// const message = 'OEMCryptoVersion: ' + retval.toInt32();
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'OEMCryptoVersion',
|
||||
payload: {
|
||||
'Version': retval.toInt32()
|
||||
}
|
||||
};
|
||||
sender_payload(data)
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetSecurityPatchLevel(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: 'OEMSecurityPatchLevel',
|
||||
payload:{
|
||||
'Patch_Level': retval.toInt32()
|
||||
}
|
||||
})
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetSecurityLevel(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
const level = Memory.readUtf8String(retval);
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: 'OEMSecurityLevel',
|
||||
payload: {
|
||||
'Level': level
|
||||
}
|
||||
});
|
||||
send('security_level', new TextEncoder().encode(level))
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_BuildInformation(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
const message = 'OEMCrypto_BuildInformation: ' + Memory.readUtf8String(retval);
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: message
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetSupportedCertificates(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
const message = 'OEMSupportedCertificates: ' + OEMCrypto_RSA_Support[retval.toInt32()];
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: message
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_IsInApp(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: 'OEMCrypto_IsInApp',
|
||||
payload: {
|
||||
'in_app': Boolean(retval)
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_GetProvisioningMethod(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: 'OEMCrypto_GetProvisioningMethod',
|
||||
payload: {
|
||||
'Method': OEMCrypto_ProvisioningMethod[retval.toInt32()]
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_GetNumberOfOpenSessions(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onLeave: function (retval) {
|
||||
const message = 'OEMCrypto_GetNumberOfOpenSessions: ' + retval.toInt32();
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: message
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_GetMaxNumberOfSessions(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.maximum = args[0]
|
||||
},
|
||||
onLeave: function () {
|
||||
const message = 'OEMCrypto_GetMaxNumberOfSessions: ' + Memory.readPointer(this.maximum).toInt32();
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: message
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_Terminate_Status(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.maximum = args[0]
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const message = 'OEMCrypto_Terminate_Status: ' + OEMCryptoResult[retvalue.toInt32()];
|
||||
sender_payload({
|
||||
from: process_name,
|
||||
message: message
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_GetDeviceID(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function(args) {
|
||||
this.deviceId = args[0];
|
||||
this.idLength = args[1]
|
||||
},
|
||||
onLeave: function (retval) {
|
||||
var idLength = Memory.readPointer(this.idLength).toInt32();
|
||||
const deviceIdArray = Memory.readByteArray(this.deviceId, idLength);
|
||||
const deviceId = byteArrayToHex(deviceIdArray);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'OEMCrypto_GetDeviceID',
|
||||
payload: {
|
||||
'Status': OEMCryptoResult[retval.toInt32()],
|
||||
'Length': idLength,
|
||||
'DeviceId': deviceId
|
||||
}
|
||||
};
|
||||
sender_payload(data);
|
||||
send('device_id', deviceIdArray)
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
|
||||
function GetLevel3_GetKeyData(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.keyData = args[0];
|
||||
this.keyDataLength = args[1];
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const keyDataLength = Memory.readPointer(this.keyDataLength).toInt32();
|
||||
const keyDataArray = Memory.readByteArray(this.keyData, keyDataLength);
|
||||
const device_token = byteArrayToHex(keyDataArray);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'OEMCrypto_GetKeyData',
|
||||
payload: {
|
||||
'Status': OEMCryptoResult[retvalue.toInt32()],
|
||||
'Size': keyDataLength,
|
||||
'Device_Token': device_token
|
||||
}
|
||||
};
|
||||
sender_payload(data);
|
||||
send('device_token', keyDataArray)
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_LoadKeys(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = {
|
||||
'session': args[0],
|
||||
'message': args[1],
|
||||
'message_length': args[2],
|
||||
'signature': args[3],
|
||||
'signature_length': args[4],
|
||||
'ivs': args[5],
|
||||
'keys': args[6],
|
||||
'num_keys': args[7],
|
||||
'key_array': args[8],
|
||||
'pst': args[9],
|
||||
'srm_restriction_data': args[10],
|
||||
'license_type': args[11]
|
||||
}
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const message_length = this.data['message_length'].toInt32();
|
||||
const message = Memory.readByteArray(this.data['message'], message_length);
|
||||
const signature_length = this.data['signature_length'].toInt32();
|
||||
const signature = Memory.readByteArray(this.data['signature'], signature_length);
|
||||
// const ivs = this.data['ivs'];
|
||||
// const keys = Memory.readPointer(this.data['keys']);
|
||||
// const num_keys = this.data['num_keys'].toInt32();
|
||||
// const key_array = Memory.readPointer(this.data['key_array']);
|
||||
// const pst = this.data['pst'];
|
||||
// const srm_restriction_data = this.data['srm_restriction_data'];
|
||||
const license_type = OEMCrypto_LicenseType[this.data['license_type'].toInt32()];
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'OEMCrypto_LoadKeys',
|
||||
payload: {
|
||||
'Status': OEMCryptoResult[retvalue.toInt32()],
|
||||
'Type': license_type,
|
||||
'Message': byteArrayToHex(message),
|
||||
'Signature': byteArrayToHex(signature)
|
||||
}
|
||||
};
|
||||
sender_payload(data)
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
function GetLevel3_GenerateDerivedKeys(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = {
|
||||
'session': args[0],
|
||||
'mac_key_context': args[1],
|
||||
'mac_key_context_length': args[2],
|
||||
'enc_key_context': args[3],
|
||||
'enc_key_context_length': args[4]
|
||||
}
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const mac_length = this.data['mac_key_context_length'].toInt32();
|
||||
const mac_context = Memory.readByteArray(this.data['mac_key_context'], mac_length);
|
||||
const enc_length = this.data['enc_key_context_length'].toInt32();
|
||||
const enc_context = Memory.readByteArray(this.data['enc_key_context'], enc_length);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'GetLevel3_GenerateDerivedKeys',
|
||||
payload: {
|
||||
'Status': OEMCryptoResult[retvalue.toInt32()],
|
||||
'Session': this.data['session'].toInt32(),
|
||||
'Mac_Length': mac_length,
|
||||
'Mac_Context': mac_context,
|
||||
'Enc_Length': enc_length,
|
||||
'Enc_Context': enc_context
|
||||
}
|
||||
};
|
||||
sender_payload(data)
|
||||
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_GenerateSignature(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = {
|
||||
'session': args[0],
|
||||
'message': args[1],
|
||||
'message_length': args[2],
|
||||
'signature': args[3],
|
||||
'signature_lenght': args[4]
|
||||
}
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const message_length = this.data['message_length'].toInt32();
|
||||
const message = Memory.readByteArray(this.data['message'], message_length);
|
||||
const signature_lenght = Memory.readPointer(this.data['signature_lenght']).toInt32();
|
||||
const signature = Memory.readByteArray(this.data['signature'], signature_lenght);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'GetLevel3_GenerateSignature',
|
||||
payload: {
|
||||
'Status': OEMCryptoResult[retvalue.toInt32()],
|
||||
'Session': this.data['session'].toInt32(),
|
||||
message: {
|
||||
'length': message_length,
|
||||
'context': byteArrayToHex(message)
|
||||
},
|
||||
signature: {
|
||||
'length': signature_lenght,
|
||||
'context': byteArrayToHex(signature)
|
||||
}
|
||||
}
|
||||
};
|
||||
sender_payload(data)
|
||||
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
function GetLevel3_GetOEMPublicCertificate(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = {
|
||||
'session': args[0],
|
||||
'public_cert': args[1],
|
||||
'public_cert_length': args[2]
|
||||
}
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const result = OEMCryptoResult[retvalue.toInt32()];
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'GetLevel3_GetOEMPublicCertificate',
|
||||
payload: {
|
||||
'Status': result
|
||||
}
|
||||
};
|
||||
sender_payload(data);
|
||||
if (result === OEMCryptoResult["0"]) {
|
||||
const public_cert_length = Memory.readPointer(this.data['public_cert_length']).toInt32();
|
||||
const public_cert = Memory.readByteArray(this.data['public_cert'], public_cert_length);
|
||||
const data2 = {
|
||||
from: process_name,
|
||||
message: 'GetLevel3_GetOEMPublicCertificate',
|
||||
payload: {
|
||||
'Session': this.data['session'].toInt32(),
|
||||
'Public_Cert_Length': public_cert_length,
|
||||
'Cert': public_cert
|
||||
}
|
||||
};
|
||||
sender_payload(data2);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function GetLevel3_LoadDeviceRSAKey(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = {
|
||||
'session': args[0],
|
||||
'wrapped_rsa_key': args[1],
|
||||
'wrapped_rsa_key_length': args[2]
|
||||
}
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const wrapped_rsa_key_length = this.data['wrapped_rsa_key_length'].toInt32();
|
||||
const wrapped_rsa_key = Memory.readByteArray(this.data['wrapped_rsa_key'], wrapped_rsa_key_length);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'GetLevel3_LoadDeviceRSAKey',
|
||||
payload: {
|
||||
'Status': OEMCryptoResult[retvalue.toInt32()],
|
||||
'Session': this.data['session'].toInt32(),
|
||||
'Length': wrapped_rsa_key_length,
|
||||
'Context': byteArrayToHex(wrapped_rsa_key)
|
||||
}
|
||||
};
|
||||
sender_payload(data)
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
function GetLevel3_RewrapDeviceRSAKey(address, process_name) {
|
||||
Interceptor.attach(ptr(address), {
|
||||
onEnter: function (args) {
|
||||
this.data = {
|
||||
'session': args[0],
|
||||
'message': args[1],
|
||||
'message_length': args[2],
|
||||
'signature': args[3],
|
||||
'signature_length': args[4],
|
||||
'nonce': args[5],
|
||||
'enc_rsa_key': args[6],
|
||||
'enc_rsa_key_length': args[7],
|
||||
'enc_rsa_key_iv': args[8],
|
||||
'wrapped_rsa_key': args[9],
|
||||
'wrapped_rsa_key_length': args[10]
|
||||
}
|
||||
},
|
||||
onLeave: function (retvalue) {
|
||||
const status = OEMCryptoResult[retvalue.toInt32()];
|
||||
if (status === OEMCryptoResult["0"]) {
|
||||
const message_length = this.data['message_length'].toInt32();
|
||||
const message = Memory.readByteArray(this.data['message'], message_length);
|
||||
const signature_length = this.data['signature_length'].toInt32();
|
||||
const signature = Memory.readByteArray(this.data['signature'], signature_length);
|
||||
const enc_rsa_key_length = this.data['enc_rsa_key_length'].toInt32();
|
||||
const enc_rsa_key = Memory.readByteArray(this.data['enc_rsa_key'], enc_rsa_key_length);
|
||||
const wrapped_rsa_key_length = Memory.readPointer(this.data['wrapped_rsa_key_length']).toInt32();
|
||||
const wrapped_rsa_key = Memory.readByteArray(this.data['wrapped_rsa_key'], wrapped_rsa_key_length);
|
||||
const data = {
|
||||
from: process_name,
|
||||
message: 'GetLevel3_RewrapDeviceRSAKey',
|
||||
status: status,
|
||||
session: this.data['session'].toInt32(),
|
||||
payload: {
|
||||
enc_rsa_key: {
|
||||
'length': enc_rsa_key_length,
|
||||
'key': enc_rsa_key
|
||||
},
|
||||
wrapped_rsa_key: {
|
||||
'length': wrapped_rsa_key_length,
|
||||
'key': wrapped_rsa_key
|
||||
},
|
||||
signature: {
|
||||
'length': signature_length,
|
||||
'signature': signature
|
||||
},
|
||||
message: {
|
||||
'lenght': message_length,
|
||||
'message': message
|
||||
}
|
||||
}
|
||||
};
|
||||
sender_payload(data)
|
||||
}
|
||||
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
function byteArrayToHex(data) {
|
||||
var array = new Uint8Array(data);
|
||||
var result = '';
|
||||
for (var i = 0; i < array.length; ++i)
|
||||
result += ('0' + (array[i] & 0xFF).toString(16)).slice(-2);
|
||||
return result;
|
||||
}
|
||||
|
||||
function sender_payload(data) {
|
||||
var encoded = new TextEncoder().encode(JSON.stringify(data));
|
||||
send('message', encoded);
|
||||
}
|
||||
|
||||
function sender_payload_info(message) {
|
||||
send('message_info', new TextEncoder().encode(message))
|
||||
}
|
||||
|
||||
const OEMCrypto_ProvisioningMethod = {
|
||||
0: 'OEMCrypto_ProvisioningError', // Device cannot be provisioned.
|
||||
1: 'OEMCrypto_DrmCertificate', // Device has baked in DRM certificate
|
||||
// (level 3 only)
|
||||
2: 'OEMCrypto_Keybox', // Device has factory installed unique keybox.
|
||||
3: 'OEMCrypto_OEMCertificate' // Device has factory installed OEM certificate.
|
||||
};
|
||||
|
||||
const OEMCrypto_RSA_Support = {
|
||||
1: 'OEMCrypto_Supports_RSA_2048bit',
|
||||
2: 'OEMCrypto_Supports_RSA_3072bit',
|
||||
10: 'OEMCrypto_Supports_RSA_CAST'
|
||||
};
|
||||
|
||||
const OEMCryptoResult = {
|
||||
0: 'OEMCrypto_SUCCESS',
|
||||
1: 'OEMCrypto_ERROR_INIT_FAILED',
|
||||
2: 'OEMCrypto_ERROR_TERMINATE_FAILED',
|
||||
3: 'OEMCrypto_ERROR_OPEN_FAILURE',
|
||||
4: 'OEMCrypto_ERROR_CLOSE_FAILURE',
|
||||
5: 'OEMCrypto_ERROR_ENTER_SECURE_PLAYBACK_FAILED', // deprecated
|
||||
6: 'OEMCrypto_ERROR_EXIT_SECURE_PLAYBACK_FAILED', // deprecated
|
||||
7: 'OEMCrypto_ERROR_SHORT_BUFFER',
|
||||
8: 'OEMCrypto_ERROR_NO_DEVICE_KEY', // no keybox device key.
|
||||
9: 'OEMCrypto_ERROR_NO_ASSET_KEY',
|
||||
10: 'OEMCrypto_ERROR_KEYBOX_INVALID',
|
||||
11: 'OEMCrypto_ERROR_NO_KEYDATA',
|
||||
12: 'OEMCrypto_ERROR_NO_CW',
|
||||
13: 'OEMCrypto_ERROR_DECRYPT_FAILED',
|
||||
14: 'OEMCrypto_ERROR_WRITE_KEYBOX',
|
||||
15: 'OEMCrypto_ERROR_WRAP_KEYBOX',
|
||||
16: 'OEMCrypto_ERROR_BAD_MAGIC',
|
||||
17: 'OEMCrypto_ERROR_BAD_CRC',
|
||||
18: 'OEMCrypto_ERROR_NO_DEVICEID',
|
||||
19: 'OEMCrypto_ERROR_RNG_FAILED',
|
||||
20: 'OEMCrypto_ERROR_RNG_NOT_SUPPORTED',
|
||||
21: 'OEMCrypto_ERROR_SETUP',
|
||||
22: 'OEMCrypto_ERROR_OPEN_SESSION_FAILED',
|
||||
23: 'OEMCrypto_ERROR_CLOSE_SESSION_FAILED',
|
||||
24: 'OEMCrypto_ERROR_INVALID_SESSION',
|
||||
25: 'OEMCrypto_ERROR_NOT_IMPLEMENTED',
|
||||
26: 'OEMCrypto_ERROR_NO_CONTENT_KEY',
|
||||
27: 'OEMCrypto_ERROR_CONTROL_INVALID',
|
||||
28: 'OEMCrypto_ERROR_UNKNOWN_FAILURE',
|
||||
29: 'OEMCrypto_ERROR_INVALID_CONTEXT',
|
||||
30: 'OEMCrypto_ERROR_SIGNATURE_FAILURE',
|
||||
31: 'OEMCrypto_ERROR_TOO_MANY_SESSIONS',
|
||||
32: 'OEMCrypto_ERROR_INVALID_NONCE',
|
||||
33: 'OEMCrypto_ERROR_TOO_MANY_KEYS',
|
||||
34: 'OEMCrypto_ERROR_DEVICE_NOT_RSA_PROVISIONED',
|
||||
35: 'OEMCrypto_ERROR_INVALID_RSA_KEY',
|
||||
36: 'OEMCrypto_ERROR_KEY_EXPIRED',
|
||||
37: 'OEMCrypto_ERROR_INSUFFICIENT_RESOURCES',
|
||||
38: 'OEMCrypto_ERROR_INSUFFICIENT_HDCP',
|
||||
39: 'OEMCrypto_ERROR_BUFFER_TOO_LARGE',
|
||||
40: 'OEMCrypto_WARNING_GENERATION_SKEW', // Warning, not an error.
|
||||
41: 'OEMCrypto_ERROR_GENERATION_SKEW',
|
||||
42: 'OEMCrypto_LOCAL_DISPLAY_ONLY',
|
||||
43: 'OEMCrypto_ERROR_ANALOG_OUTPUT',
|
||||
44: 'OEMCrypto_ERROR_WRONG_PST',
|
||||
45: 'OEMCrypto_ERROR_WRONG_KEYS',
|
||||
46: 'OEMCrypto_ERROR_MISSING_MASTER',
|
||||
47: 'OEMCrypto_ERROR_LICENSE_INACTIVE',
|
||||
48: 'OEMCrypto_ERROR_ENTRY_NEEDS_UPDATE',
|
||||
49: 'OEMCrypto_ERROR_ENTRY_IN_USE',
|
||||
50: 'OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE', // Reserved. Do not use.
|
||||
51: 'OEMCrypto_KEY_NOT_LOADED', // obsolete. use error 26.
|
||||
52: 'OEMCrypto_KEY_NOT_ENTITLED',
|
||||
53: 'OEMCrypto_ERROR_BAD_HASH',
|
||||
54: 'OEMCrypto_ERROR_OUTPUT_TOO_LARGE',
|
||||
55: 'OEMCrypto_ERROR_SESSION_LOST_STATE',
|
||||
56:'OEMCrypto_ERROR_SYSTEM_INVALIDATED',
|
||||
};
|
||||
|
||||
const OEMCrypto_LicenseType = {
|
||||
0: 'OEMCrypto_ContentLicense',
|
||||
1: 'OEMCrypto_EntitlementLicense'
|
||||
};
|
||||
|
||||
rpc.exports.inject = inject;
|
||||
|
||||
rpc.exports.widevinelibrary = containsLib;
|
||||
File diff suppressed because one or more lines are too long
|
|
@ -0,0 +1,25 @@
|
|||
import time
|
||||
import frida
|
||||
import logging
|
||||
from Helpers.Scanner import Scan
|
||||
|
||||
logging.basicConfig(
|
||||
format='%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s',
|
||||
datefmt='%Y-%m-%d %I:%M:%S %p',
|
||||
level=logging.DEBUG,
|
||||
)
|
||||
|
||||
device = frida.get_usb_device()
|
||||
scanner = Scan(device.name)
|
||||
logging.info(f'Connected to {device.name}')
|
||||
logging.info('scanning all processes for the following libraries')
|
||||
for process in device.enumerate_processes():
|
||||
logging.debug(process)
|
||||
if 'drm' in process.name:
|
||||
libraries = scanner.find_widevine_process(device, process.name)
|
||||
if libraries:
|
||||
for library in libraries:
|
||||
scanner.hook_to_process(device, process.name, library)
|
||||
logging.info('Hooks completed')
|
||||
while True:
|
||||
time.sleep(1000)
|
||||
Loading…
Reference in New Issue