Modules for expansion services, import and export in MISP
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import json
from pymisp import MISPAttribute, MISPEvent, MISPObject
from trustar import TruStar
misperrors = {'error': "Error"}
mispattributes = {'input': ["btc", "domain","email-src", "filename", "hostname", "ip-src", "ip-dst", "malware-type", "md5", "sha1", "sha256", "url"], 'format': 'misp_standard'}
moduleinfo = {'version': "0.1", 'author': "Jesse Hedden",
'description': "Enrich data with TruSTAR",
'module-type': ["hover", "expansion"]}
moduleconfig = ["api_key", "api_secret", "enclave_ids"]
def get_results(misp_event):
event = json.loads(misp_event.to_json())
results = {key: event[key] for key in ('Attribute', 'Object')}
return {'results': results}
def parse_indicator_summary(attribute, summary):
misp_event = MISPEvent()
misp_attribute = MISPAttribute().from_dict(**attribute)
mapping = {'value': 'text', 'reportId': 'text', 'enclaveId': 'text', 'description': 'text'}
for item in summary.get('items'):
trustar_obj = MISPObject(attribute.value)
for key, attribute_type in mapping.items():
trustar_obj.add_attribute(key, attribute_type=attribute_type, value=item[key])
trustar_obj.add_reference(misp_attribute.uuid, 'associated-to')
return misp_event
def handler(q=False):
if q is False:
return False
request = json.loads(q)
config = request.get('config', {})
if not config.get('api_key') or not config.get('api_secret'):
misperrors['error'] = "Your TruSTAR API key and secret are required for indicator enrichment."
return misperrors
enclave_ids = [enclave_id for enclave_id in config.get('enclave_ids', "").split(',')]
ts_client = TruStar(config={'user_api_key': config.get('api_key'), 'user_api_secret': config.get('api_secret'), 'enclave_ids': enclave_ids})
attribute = request.get('attribute')
summary = ts_client.get_indicator_summaries(attribute)
misp_event = parse_indicator_summary(attribute, summary)
return get_results(misp_event)
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo