mirror of https://github.com/MISP/misp-modules
Converting GoAML into MISPEvent
chrisr3d
parent
cad62464c5
commit
8f5c08e2c6
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@ -1,7 +1,7 @@
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import json, datetime
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import xml.etree.ElementTree as ET
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from collections import defaultdict
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from pymisp import MISPEvent
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from pymisp import MISPEvent, MISPObject
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misperrors = {'error': 'Error'}
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moduleinfo = {'version': 1, 'author': 'Christian Studer',
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@ -18,12 +18,12 @@ t_person_objects = {'nodes': ['addresses'],
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'leaves': ['first_name', 'middle_name', 'last_name', 'gender', 'title', 'mothers_name', 'birthdate',
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'passport_number', 'passport_country', 'id_number', 'birth_place', 'alias', 'nationality1']}
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t_account_objects = {'nodes': ['signatory'],
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'leaves': ['institution_name', 'institution_code', 'swift', 'branch', 'non_banking_insitution',
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'account', 'currency_code', 'account_name', 'iban', 'client_number', 'opened', 'closed',
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'personal_account_type', 'balance', 'date_balance', 'status_code', 'beneficiary',
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'beneficiary_comment', 'comments']}
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'leaves': ['institution_name', 'institution_code', 'swift', 'branch', 'non_banking_insitution',
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'account', 'currency_code', 'account_name', 'iban', 'client_number', 'opened', 'closed',
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'personal_account_type', 'balance', 'date_balance', 'status_code', 'beneficiary',
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'beneficiary_comment', 'comments']}
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entity_objects = {'nodes': ['addresses'],
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'leaves': ['name', 'commercial_name', 'incorporation_legal_form', 'incorporation_number', 'business', 'phone']}
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'leaves': ['name', 'commercial_name', 'incorporation_legal_form', 'incorporation_number', 'business', 'phone']}
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goAMLobjects = {'report': {'nodes': ['reporting_person', 'location'],
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'leaves': ['rentity_id', 'submission_code', 'report_code', 'submission_date', 'currency_code_local']},
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@ -42,30 +42,30 @@ goAMLobjects = {'report': {'nodes': ['reporting_person', 'location'],
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'from_entity': entity_objects, 'to_entity': entity_objects,
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}
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t_account_mapping = {'t_account': 'bank-account', 'institution_name': 'institution-name', 'institution_code': 'institution-code',
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t_account_mapping = {'misp_name': 'bank-account', 'institution_name': 'institution-name', 'institution_code': 'institution-code',
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'iban': 'iban', 'swift': 'swift', 'branch': 'branch', 'non_banking_institution': 'non-bank-institution',
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'account': 'account', 'currency_code': 'currency-code', 'account_name': 'account-name',
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'client_number': 'client-number', 'personal_account_type': 'personal-account-type', 'opened': 'opened',
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'closed': 'closed', 'balance': 'balance', 'status_code': 'status-code', 'beneficiary': 'beneficiary',
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'beneficiary_comment': 'beneficiary-comment', 'comments': 'comments'}
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t_person_mapping = {'t_person': 'person', 'comments': 'text', 'first_name': 'first-name', 'middle_name': 'middle-name',
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t_person_mapping = {'misp_name': 'person', 'comments': 'text', 'first_name': 'first-name', 'middle_name': 'middle-name',
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'last_name': 'last-name', 'title': 'title', 'mothers_name': 'mothers-name', 'alias': 'alias',
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'birthdate': 'date-of-birth', 'birth_place': 'place-of-birth', 'gender': 'gender','nationality1': 'nationality',
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'passport_number': 'passport-number', 'passport_country': 'passport-country', 'ssn': 'social-security-number',
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'id_number': 'identity-card-number'}
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location_mapping = {'location': 'geolocation', 'city': 'city', 'state': 'region', 'country-code': 'country', 'address': 'address',
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'zip': 'zipcode'}
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location_mapping = {'misp_name': 'geolocation', 'city': 'city', 'state': 'region', 'country_code': 'country', 'address': 'address',
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'zip': 'zipcode'}
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t_entity_mapping = {'entity': 'legal-entity', 'name': 'name', 'business': 'business', 'commercial_name': 'commercial-name',
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t_entity_mapping = {'misp_name': 'legal-entity', 'name': 'name', 'business': 'business', 'commercial_name': 'commercial-name',
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'phone': 'phone-number', 'incorporation_legal_form': 'legal-form', 'incorporation_number': 'registration-number'}
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goAMLmapping = {'from_account': t_account_mapping, 'to_account': t_account_mapping,
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goAMLmapping = {'from_account': t_account_mapping, 'to_account': t_account_mapping, 't_person': t_person_mapping,
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'from_person': t_person_mapping, 'to_person': t_person_mapping, 'reporting_person': t_person_mapping,
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'from_entity': t_entity_mapping, 'to_entity': t_entity_mapping,
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'location': location_mapping, 'address': location_mapping,
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'transaction': {'transaction': 'transaction', 'transactionnumber': 'transaction-number', 'date_transaction': 'date',
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'transaction': {'misp_name': 'transaction', 'transactionnumber': 'transaction-number', 'date_transaction': 'date',
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'transaction_location': 'location', 'transmode_code': 'transmode-code', 'amount_local': 'amount',
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'transmode_comment': 'transmode-comment', 'date_posting': 'date-posting', 'teller': 'teller',
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'authorized': 'authorized', 'transaction_description': 'text'}}
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@ -74,43 +74,64 @@ nodes_to_ignore = ['addresses', 'signatory']
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class GoAmlParser():
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def __init__(self):
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self.dict = {}
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self.misp_event = MISPEvent()
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def readFile(self, filename):
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self.tree = ET.parse(filename).getroot()
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def parse_xml(self):
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self.dict = self.itterate(self.tree, 'report')
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self.dict['transaction'] = []
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self.first_itteration()
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for t in self.tree.findall('transaction'):
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self.dict['transaction'].append(self.itterate(t, 'transaction'))
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self.misp_event.timestamp = self.dict.get('submission_date')
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self.itterate(t, 'transaction')
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def first_itteration(self):
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self.misp_event.timestamp = self.tree.find('submission_date').text
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for node in goAMLobjects['report']['nodes']:
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element = self.tree.find(node)
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if element is not None:
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self.itterate(element, element.tag)
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def itterate(self, tree, aml_type):
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element_dict = {}
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for element in tree:
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tag = element.tag
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mapping = goAMLobjects.get(aml_type)
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if tag in mapping.get('nodes'):
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objects = goAMLobjects[aml_type]
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if aml_type not in nodes_to_ignore:
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try:
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mapping = goAMLmapping[aml_type]
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misp_object = MISPObject(name=mapping['misp_name'])
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for leaf in objects['leaves']:
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element = tree.find(leaf)
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if element is not None:
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object_relation = mapping[element.tag]
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attribute = {'object_relation': object_relation, 'value': element.text}
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misp_object.add_attribute(**attribute)
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if aml_type == 'transaction':
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self.fill_transaction(element, element_dict, tag)
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element_dict[tag] = self.itterate(element, tag)
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elif tag in mapping.get('leaves'):
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try:
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element_dict[goAMLmapping[aml_type][tag]] = element.text
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except KeyError:
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pass
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return element_dict
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for node in objects['nodes']:
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element = tree.find(node)
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if element is not None:
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self.fill_transaction(element, element.tag, misp_object)
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self.misp_event.add_object(misp_object)
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except KeyError:
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pass
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for node in objects['nodes']:
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element = tree.find(node)
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if element is not None:
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self.itterate(element, element.tag)
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@staticmethod
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def fill_transaction(element, element_dict, tag):
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def fill_transaction(element, tag, misp_object):
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if 't_from' in tag:
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element_dict['from-funds-code'] = element.find('from_funds_code').text
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element_dict['from-country'] = element.find('from_country').text
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from_funds = element.find('from_funds_code').text
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from_funds_attribute = {'object_relation': 'from-funds-code', 'value': from_funds}
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misp_object.add_attribute(**from_funds_attribute)
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from_country = element.find('from_country').text
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from_country_attribute = {'object_relation': 'from-country', 'value': from_country}
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misp_object.add_attribute(**from_country_attribute)
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if 't_to' in tag:
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element_dict['to-funds-code'] = element.find('to_funds_code').text
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element_dict['to-country'] = element.find('to_country').text
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to_funds = element.find('to_funds_code').text
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to_funds_attribute = {'object_relation': 'to-funds-code', 'value': to_funds}
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misp_object.add_attribute(**to_funds_attribute)
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to_country = element.find('to_country').text
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to_country_attribute = {'object_relation': 'to-country', 'value': to_country}
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misp_object.add_attribute(**to_country_attribute)
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def handler(q=False):
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if q is False:
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@ -128,7 +149,7 @@ def handler(q=False):
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misperrors['error'] = "Impossible to read the file"
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return misperrors
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aml_parser.parse_xml()
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return aml_parser.dict
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return aml_parser.misp_event.to_json()
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def introspection():
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return mispattributes
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