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chg: [Cryptocurrency] add private_key entry + fix dash regex
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Terrtia
parent
7dbb27055e
commit
30fd361e1c
3 changed files with 45 additions and 21 deletions
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@ -41,7 +41,6 @@ signal.signal(signal.SIGALRM, timeout_handler)
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def search_crytocurrency(item_id, item_content):
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# bitcoin_private_key = re.findall(regex_bitcoin_private_key, content)
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is_cryptocurrency_found = False
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@ -69,20 +68,7 @@ def search_crytocurrency(item_id, item_content):
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# build bitcoin correlation
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Cryptocurrency.save_cryptocurrency_data(crypto_name, Item.get_item_date(item_id), item_id, address)
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# # TODO: add private key validation
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#if(len(bitcoin_private_key) > 0):
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# for private_key in bitcoin_private_key:
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# print('Bitcoin private key found : {}'.format(private_key))
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# to_print = 'Bitcoin found: {} address and {} private Keys'.format(len(bitcoin_address), len(bitcoin_private_key))
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# print(to_print)
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# publisher.warning(to_print)
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# msg = 'infoleak:automatic-detection="bitcoin-private-key";{}'.format(message)
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# p.populate_set_out(msg, 'Tags')
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# to_print = 'Bitcoin;{};{};{};'.format(paste.p_source, paste.p_date,
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# paste.p_name)
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# publisher.warning('{}Detected {} Bitcoin private key;{}'.format(
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# to_print, len(bitcoin_private_key),paste.p_rel_path))
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# At least one valid cryptocurrency address was found
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if(is_valid_crypto_addr):
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# valid cryptocurrency found in this item
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is_cryptocurrency_found = True
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@ -91,6 +77,35 @@ def search_crytocurrency(item_id, item_content):
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msg = '{};{}'.format(crypto_dict['tag'], item_id)
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p.populate_set_out(msg, 'Tags')
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# search cryptocurrency private key
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if crypto_dict.get('private_key'):
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signal.alarm(crypto_dict['private_key']['max_execution_time'])
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try:
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addr_private_key = re.findall(crypto_dict['private_key']['regex'], item_content)
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except TimeoutException:
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addr_private_key = []
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p.incr_module_timeout_statistic() # add encoder type
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print ("{0} processing timeout".format(item_id))
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continue
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else:
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signal.alarm(0)
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if addr_private_key:
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# Tag Item
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msg = '{};{}'.format(crypto_dict['private_key']['tag'], item_id)
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p.populate_set_out(msg, 'Tags')
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# debug
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print(addr_private_key)
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to_print = '{} found: {} address and {} private Keys'.format(crypto_name, len(crypto_addr), len(addr_private_key))
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print(to_print)
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publisher.warning(to_print)
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to_print = 'Cryptocurrency;{};{};{};'.format(Item.get_source(item_id), Item.get_item_date(item_id), Item.get_item_basename(item_id))
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publisher.warning('{}Detected {} {} private key;{}'.format(
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to_print, len(addr_private_key), crypto_name, item_id))
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if is_cryptocurrency_found:
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# send to duplicate module
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p.populate_set_out(item_id, 'Duplicate')
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@ -106,6 +121,11 @@ cryptocurrency_dict = {
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'regex': r'\b[13][A-Za-z0-9]{26,33}\b',
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'max_execution_time': default_max_execution_time,
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'tag': 'infoleak:automatic-detection="bitcoin-address"',
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'private_key': {
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'regex': r'[5KL][1-9A-HJ-NP-Za-km-z]{50,51}',
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'max_execution_time': default_max_execution_time,
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'tag': 'infoleak:automatic-detection="bitcoin-private-key"',
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},
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},
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'ethereum': {
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'name': 'ethereum', # e.g. 0x8466b50B53c521d0B4B163d186596F94fB8466f1
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@ -139,7 +159,7 @@ cryptocurrency_dict = {
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},
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'dash': {
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'name': 'dash', # e.g. XmNfXq2kDmrNBTiDTofohRemwGur1WmgTT
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'regex': r'\bX[a-za0-9]{33}\b',
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'regex': r'\bX[A-Za-z0-9]{33}\b',
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'max_execution_time': default_max_execution_time,
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'tag': 'infoleak:automatic-detection="dash-address"',
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}
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@ -158,9 +178,6 @@ if __name__ == "__main__":
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# Sent to the logging a description of the module
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publisher.info("Run Cryptocurrency module ")
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regex_bitcoin_private_key = re.compile(r'[5KL][1-9A-HJ-NP-Za-km-z]{50,51}')
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# Endless loop getting messages from the input queue
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while True:
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# Get one message from the input queue
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@ -14,6 +14,7 @@ from Correlation import Correlation
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r_serv_metadata = Flask_config.r_serv_metadata
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digits58 = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
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#address_validation = {'bitcoin': 'base58', 'dash': 'base58'}
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cryptocurrency = Correlation('cryptocurrency')
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@ -25,7 +26,7 @@ def decode_base58(bc, length):
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return n.to_bytes(length, 'big')
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# http://rosettacode.org/wiki/Bitcoin/address_validation#Python
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def check_bitcoin_address(bc):
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def check_base58_address(bc):
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try:
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bcbytes = decode_base58(bc, 25)
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return bcbytes[-4:] == sha256(sha256(bcbytes[:-4]).digest()).digest()[:4]
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@ -34,7 +35,7 @@ def check_bitcoin_address(bc):
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def verify_cryptocurrency_address(cryptocurrency_type, cryptocurrency_address):
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if cryptocurrency_type == 'bitcoin':
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return check_bitcoin_address(cryptocurrency_address)
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return check_base58_address(cryptocurrency_address)
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else:
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return True
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@ -29,6 +29,12 @@ def get_item_date(item_id):
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l_directory = item_id.split('/')
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return '{}{}{}'.format(l_directory[-4], l_directory[-3], l_directory[-2])
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def get_source(item_id):
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return item_id.split('/')[-5]
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def get_item_basename(item_id):
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return os.path.basename(item_id)
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def get_item_size(item_id):
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return round(os.path.getsize(os.path.join(PASTES_FOLDER, item_id))/1024.0, 2)
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