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import json
import base64
from pymisp import MISPEvent
from collections import defaultdict, Counter
misperrors = {'error': 'Error'}
moduleinfo = {'version': '1', 'author': 'Christian Studer',
'description': 'Export to GoAML',
'module-type': ['export'],
'require_standard_format': True}
moduleconfig = ['rentity_id']
mispattributes = {'input': ['MISPEvent'], 'output': ['xml file']}
outputFileExtension = "xml"
responseType = "application/xml"
objects_to_parse = ['transaction', 'bank-account', 'person', 'entity', 'geolocation']
goAMLmapping = {'bank-account': {'bank-account': 't_account', 'institution-name': 'institution_name',
'institution-code': 'institution_code', 'iban': 'iban', 'swift': 'swift',
'branch': 'branch', 'non-banking-institution': 'non_bank_institution',
'account': 'account', 'currency-code': 'currency_code',
'account-name': 'account_name', 'client-number': 'client_number',
'personal-account-type': 'personal_account_type', 'opened': 'opened',
'closed': 'closed', 'balance': 'balance', 'status-code': 'status_code',
'beneficiary': 'beneficiary', 'beneficiary-comment': 'beneficiary_comment',
'comments': 'comments'},
'person': {'person': 't_person', 'text': 'comments', 'first-name': 'first_name',
'middle-name': 'middle_name', 'last-name': 'last_name', 'title': 'title',
'mothers-name': 'mothers_name', 'alias': 'alias', 'date-of-birth': 'birthdate',
'place-of-birth': 'birth_place', 'gender': 'gender','nationality': 'nationality1',
'passport-number': 'passport_number', 'passport-country': 'passport_country',
'social-security-number': 'ssn', 'identity-card-number': 'id_number'},
'geolocation': {'geolocation': 'location', 'city': 'city', 'region': 'state',
'country': 'country_code', 'address': 'address', 'zipcode': 'zip'},
'transaction': {'transaction': 'transaction', 'transaction-number': 'transactionnumber',
'date': 'date_transaction', 'location': 'transaction_location',
'transmode-code': 'transmode_code', 'amount': 'amount_local',
'transmode-comment': 'transmode_comment', 'date-posting': 'date_posting',
'teller': 'teller', 'authorized': 'authorized',
'text': 'transaction_description'},
'legal-entity': {'legal-entity': 'entity', 'name': 'name', 'business': 'business',
'commercial-name': 'commercial_name', 'phone-number': 'phone',
'legal-form': 'incorporation_legal_form',
'registration-number': 'incorporation_number'}}
referencesMapping = {'bank-account': {'aml_type': '{}_account', 'bracket': 't_{}'},
'person': {'transaction': {'aml_type': '{}_person', 'bracket': 't_{}'}, 'bank-account': {'aml_type': 't_person', 'bracket': 'signatory'}},
'legal-entity': {'transaction': {'aml_type': '{}_entity', 'bracket': 't_{}'}, 'bank-account': {'aml_type': 't_entity'}},
'geolocation': {'aml_type': 'address', 'bracket': 'addresses'}}
class GoAmlGeneration(object):
def __init__(self, config):
self.config = config
self.parsed_uuids = defaultdict(list)
def from_event(self, event):
self.misp_event = MISPEvent()
self.misp_event.load(event)
def parse_objects(self):
uuids = defaultdict(list)
report_code = []
currency_code = []
for obj in self.misp_event.objects:
obj_type = obj.name
uuids[obj_type].append(obj.uuid)
if obj_type == 'bank-account':
try:
report_code.append(obj.get_attributes_by_relation('report-code')[0].value.split(' ')[0])
currency_code.append(obj.get_attributes_by_relation('currency-code')[0].value)
except IndexError:
print('report_code or currency_code error')
self.uuids, self.report_codes, self.currency_codes = uuids, report_code, currency_code
def build_xml(self):
self.xml = {'header': "<report><rentity_id>{}</rentity_id><submission_code>E</submission_code>".format(self.config),
'data': ""}
if "STR" in self.report_codes:
report_code = "STR"
else:
report_code = Counter(self.report_codes).most_common(1)[0][0]
self.xml['header'] += "<report_code>{}</report_code>".format(report_code)
submission_date = str(self.misp_event.timestamp).replace(' ', 'T')
self.xml['header'] += "<submission_date>{}</submission_date>".format(submission_date)
self.xml['header'] += "<currency_code_local>{}</currency_code_local>".format(Counter(self.currency_codes).most_common(1)[0][0])
for trans_uuid in self.uuids.get('transaction'):
self.itterate('transaction', 'transaction', trans_uuid, 'data')
person_to_parse = [person_uuid for person_uuid in self.uuids.get('person') if person_uuid not in self.parsed_uuids.get('person')]
if len(person_to_parse) == 1:
self.itterate('person', 'reporting_person', person_to_parse[0], 'header')
try:
location_to_parse = [location_uuid for location_uuid in self.uuids.get('geolocation') if location_uuid not in self.parsed_uuids.get('geolocation')]
if len(location_to_parse) == 1:
self.itterate('geolocation', 'location', location_to_parse[0], 'header')
except TypeError:
pass
self.xml['data'] += "</report>"
def itterate(self, object_type, aml_type, uuid, xml_part):
obj = self.misp_event.get_object_by_uuid(uuid)
if object_type == 'transaction':
self.xml[xml_part] += "<{}>".format(aml_type)
self.fill_xml_transaction(object_type, obj.attributes, xml_part)
self.parsed_uuids[object_type].append(uuid)
if obj.ObjectReference:
self.parseObjectReferences(object_type, xml_part, obj.ObjectReference)
self.xml[xml_part] += "</{}>".format(aml_type)
else:
if 'to_' in aml_type or 'from_' in aml_type:
relation_type = aml_type.split('_')[0]
self.xml[xml_part] += "<{0}_funds_code>{1}</{0}_funds_code>".format(relation_type, self.from_and_to_fields[relation_type]['funds'].split(' ')[0])
self.itterate_normal_case(object_type, obj, aml_type, uuid, xml_part)
self.xml[xml_part] += "<{0}_country>{1}</{0}_country>".format(relation_type, self.from_and_to_fields[relation_type]['country'])
else:
self.itterate_normal_case(object_type, obj, aml_type, uuid, xml_part)
def itterate_normal_case(self, object_type, obj, aml_type, uuid, xml_part):
self.xml[xml_part] += "<{}>".format(aml_type)
self.fill_xml(object_type, obj, xml_part)
self.parsed_uuids[object_type].append(uuid)
if obj.ObjectReference:
self.parseObjectReferences(object_type, xml_part, obj.ObjectReference)
self.xml[xml_part] += "</{}>".format(aml_type)
def parseObjectReferences(self, object_type, xml_part, references):
for ref in references:
next_uuid = ref.referenced_uuid
next_object_type = ref.Object.get('name')
relationship_type = ref.relationship_type
self.parse_references(object_type, next_object_type, next_uuid, relationship_type, xml_part)
def fill_xml_transaction(self, object_type, attributes, xml_part):
from_and_to_fields = {'from': {}, 'to': {}}
for attribute in attributes:
object_relation = attribute.object_relation
attribute_value = attribute.value
if object_relation == 'date-posting':
self.xml[xml_part] += "<late_deposit>True</late_deposit>"
elif object_relation in ('from-funds-code', 'to-funds-code'):
relation_type, field, _ = object_relation.split('-')
from_and_to_fields[relation_type][field] = attribute_value
continue
elif object_relation in ('from-country', 'to-country'):
relation_type, field = object_relation.split('-')
from_and_to_fields[relation_type][field] = attribute_value
continue
try:
self.xml[xml_part] += "<{0}>{1}</{0}>".format(goAMLmapping[object_type][object_relation], attribute_value)
except KeyError:
pass
self.from_and_to_fields = from_and_to_fields
def fill_xml(self, object_type, obj, xml_part):
if obj.name == 'bank-account':
for attribute in obj.attributes:
if attribute.object_relation in ('personal-account-type', 'status-code'):
attribute_value = attribute.value.split(' - ')[0]
else:
attribute_value = attribute.value
try:
self.xml[xml_part] += "<{0}>{1}</{0}>".format(goAMLmapping[object_type][attribute.object_relation], attribute_value)
except KeyError:
pass
else:
for attribute in obj.attributes:
try:
self.xml[xml_part] += "<{0}>{1}</{0}>".format(goAMLmapping[object_type][attribute.object_relation], attribute.value)
except KeyError:
pass
def parse_references(self, object_type, next_object_type, uuid, relationship_type, xml_part):
reference = referencesMapping[next_object_type]
try:
next_aml_type = reference[object_type].get('aml_type').format(relationship_type.split('_')[0])
try:
bracket = reference[object_type].get('bracket').format(relationship_type)
self.xml[xml_part] += "<{}>".format(bracket)
self.itterate(next_object_type, next_aml_type, uuid, xml_part)
self.xml[xml_part] += "</{}>".format(bracket)
except KeyError:
self.itterate(next_object_type, next_aml_type, uuid, xml_part)
except KeyError:
next_aml_type = reference.get('aml_type').format(relationship_type.split('_')[0])
bracket = reference.get('bracket').format(relationship_type)
self.xml[xml_part] += "<{}>".format(bracket)
self.itterate(next_object_type, next_aml_type, uuid, xml_part)
self.xml[xml_part] += "</{}>".format(bracket)
def handler(q=False):
if q is False:
return False
request = json.loads(q)
if 'data' not in request:
return False
if not request.get('config') and not request['config'].get('rentity_id'):
misperrors['error'] = "Configuration error."
return misperrors
config = request['config'].get('rentity_id')
export_doc = GoAmlGeneration(config)
export_doc.from_event(request['data'][0])
if not export_doc.misp_event.Object:
misperrors['error'] = "There is no object in this event."
return misperrors
types = []
for obj in export_doc.misp_event.Object:
types.append(obj.name)
if 'transaction' not in types:
misperrors['error'] = "There is no transaction object in this event."
return misperrors
export_doc.parse_objects()
export_doc.build_xml()
exp_doc = "{}{}".format(export_doc.xml.get('header'), export_doc.xml.get('data'))
return {'response': [], 'data': str(base64.b64encode(bytes(exp_doc, 'utf-8')), 'utf-8')}
def introspection():
modulesetup = {}
try:
responseType
modulesetup['responseType'] = responseType
except NameError:
pass
try:
userConfig
modulesetup['userConfig'] = userConfig
except NameError:
pass
try:
outputFileExtension
modulesetup['outputFileExtension'] = outputFileExtension
except NameError:
pass
try:
inputSource
moduleSetup['inputSource'] = inputSource
except NameError:
pass
return modulesetup
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo