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https://github.com/ail-project/ail-framework.git
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104 lines
3.6 KiB
Python
Executable file
104 lines
3.6 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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"""
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The CreditCards Module
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======================
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This module is consuming the Redis-list created by the Categ module.
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It apply credit card regexes on item content and warn if a valid card number is found.
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"""
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##################################
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# Import External packages
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##################################
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import os
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import re
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import sys
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sys.path.append(os.environ['AIL_BIN'])
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##################################
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# Import Project packages
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##################################
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from modules.abstract_module import AbstractModule
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from lib.objects.Items import Item
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from packages import lib_refine
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class CreditCards(AbstractModule):
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"""
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CreditCards module for AIL framework
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"""
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def __init__(self, queue=True):
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super(CreditCards, self).__init__(queue=queue)
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# Source: http://www.richardsramblings.com/regex/credit-card-numbers/
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cards = [
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r'\b4\d{3}(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}\b', # 16-digit VISA, with separators
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r'\b5[1-5]\d{2}(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}\b', # 16 digits MasterCard
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r'\b6(?:011|22(?:(?=[\ \-]?(?:2[6-9]|[3-9]))|[2-8]|9(?=[\ \-]?(?:[01]|2[0-5])))|4[4-9]\d|5\d\d)(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}\b', # Discover Card
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r'\b35(?:2[89]|[3-8]\d)(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}(?:[\ \-]?)\d{4}\b', # Japan Credit Bureau (JCB)
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r'\b3[47]\d\d(?:[\ \-]?)\d{6}(?:[\ \-]?)\d{5}\b', # American Express
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r'\b(?:5[0678]\d\d|6304|6390|67\d\d)\d{8,15}\b', # Maestro
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]
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self.regex = re.compile('|'.join(cards))
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self.re_clean_card = r'[^0-9]'
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# Waiting time in seconds between to message processed
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self.pending_seconds = 10
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# Send module state to logs
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self.logger.info(f"Module {self.module_name} initialized")
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def get_valid_card(self, card):
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clean_card = re.sub(self.re_clean_card, '', card)
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if lib_refine.is_luhn_valid(clean_card):
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return clean_card
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def extract(self, obj_id, content, tag):
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extracted = []
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cards = self.regex_finditer(self.regex, obj_id, content)
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for card in cards:
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start, end, value = card
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if self.get_valid_card(value):
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extracted.append([start, end, value, f'tag:{tag}'])
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return extracted
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def compute(self, message, r_result=False):
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score = message
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item = self.get_obj()
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content = item.get_content()
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all_cards = self.regex_findall(self.regex, item.id, content)
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if len(all_cards) > 0:
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# self.logger.debug(f'All matching {all_cards}')
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creditcard_set = set()
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all_cards = set(all_cards)
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for card in all_cards:
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print(card)
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valid_card = self.get_valid_card(card)
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if valid_card:
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creditcard_set.add(valid_card)
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# print(creditcard_set)
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to_print = f'CreditCard;{item.get_source()};{item.get_date()};{item.get_basename()};'
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if creditcard_set:
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mess = f'{to_print}Checked {len(creditcard_set)} valid number(s);{item.id}'
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print(mess)
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self.redis_logger.warning(mess)
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tag = 'infoleak:automatic-detection="credit-card"'
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self.add_message_to_queue(message=tag, queue='Tags')
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if r_result:
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return creditcard_set
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else:
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self.redis_logger.info(f'{to_print}CreditCard related;{item.id}')
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if __name__ == '__main__':
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module = CreditCards()
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module.run()
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