mirror of https://github.com/CIRCL/AIL-framework
105 lines
3.5 KiB
Python
Executable File
105 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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"""
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The Iban Module
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================================
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This module add tags to an item.
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"""
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##################################
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# Import External packages
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##################################
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import datetime
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import os
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import re
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import string
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import sys
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from itertools import chain
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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.ConfigLoader import ConfigLoader
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# from lib import Statistics
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class Iban(AbstractModule):
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"""
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Iban module for AIL framework
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"""
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_LETTERS_IBAN = chain(enumerate(string.digits + string.ascii_uppercase),
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enumerate(string.ascii_lowercase, 10))
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LETTERS_IBAN = {ord(d): str(i) for i, d in _LETTERS_IBAN}
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def __init__(self, queue=True):
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super(Iban, self).__init__(queue=queue)
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# Waiting time in seconds between to message processed
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self.pending_seconds = 10
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self.regex_timeout = 30
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# iban_regex = re.compile(r'\b[A-Za-z]{2}[0-9]{2}(?:[ ]?[0-9]{4}){4}(?:[ ]?[0-9]{1,2})?\b')
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self.iban_regex = re.compile(r'\b([A-Za-z]{2}[ \-]?[0-9]{2})(?=(?:[ \-]?[A-Za-z0-9]){9,30})((?:[ \-]?[A-Za-z0-9]{3,5}){2,6})([ \-]?[A-Za-z0-9]{1,3})\b')
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self.iban_regex_verify = re.compile(r'^([A-Z]{2})([0-9]{2})([A-Z0-9]{9,30})$')
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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_iban_number(self, iban):
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return (iban[4:] + iban[:4]).translate(Iban.LETTERS_IBAN)
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def is_valid_iban(self, iban):
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iban_numb = self.get_iban_number(iban)
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iban_numb_check = self.get_iban_number(iban[:2] + '00' + iban[4:])
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check_digit = '{:0>2}'.format(98 - (int(iban_numb_check) % 97))
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if check_digit == iban[2:4] and int(iban_numb) % 97 == 1:
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return True
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return False
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def extract(self, obj, content, tag):
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extracted = []
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ibans = self.regex_finditer(self.iban_regex, obj.get_global_id(), content)
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for iban in ibans:
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start, end, value = iban
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value = ''.join(e for e in value if e.isalnum())
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if self.is_valid_iban(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):
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obj = self.get_obj()
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obj_id = obj.get_id()
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ibans = self.regex_findall(self.iban_regex, obj_id, obj.get_content())
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if ibans:
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valid_ibans = set()
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for iban in ibans:
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iban = iban[1:-1].replace("'", "").split(',')
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iban = iban[0]+iban[1]+iban[2]
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iban = ''.join(e for e in iban if e.isalnum())
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if self.regex_findall(self.iban_regex_verify, obj_id, iban):
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print(f'checking {iban}')
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if self.is_valid_iban(iban):
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valid_ibans.add(iban)
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if valid_ibans:
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print(f'{valid_ibans} ibans {self.obj.get_global_id()}')
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# date = datetime.datetime.now().strftime("%Y%m")
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# for iban in valid_ibans:
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# Statistics.add_module_tld_stats_by_date('iban', date, iban[0:2], 1)
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# Tags
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tag = 'infoleak:automatic-detection="iban"'
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self.add_message_to_queue(message=tag, queue='Tags')
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if __name__ == '__main__':
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module = Iban()
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module.run()
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