Modules for expansion services, import and export in MISP http://misp.github.io/misp-modules
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import json
import requests
from pymisp import MISPAttribute, MISPEvent, MISPObject
misperrors = {'error': 'Error'}
mispattributes = {'input': ['domain', 'hostname'], 'format': 'misp_standard'}
moduleinfo = {'version': '0.1', 'author': 'Christian Studer',
'description': 'On demand query API for APIVoid.',
'module-type': ['expansion', 'hover']}
moduleconfig = ['apikey']
class APIVoidParser():
def __init__(self, attribute):
self.misp_event = MISPEvent()
self.attribute = MISPAttribute()
self.attribute.from_dict(**attribute)
self.misp_event.add_attribute(**self.attribute)
self.url = 'https://endpoint.apivoid.com/{}/v1/pay-as-you-go/?key={}&'
def get_results(self):
if hasattr(self, 'result'):
return self.result
event = json.loads(self.misp_event.to_json())
results = {key: event[key] for key in ('Attribute', 'Object')}
return {'results': results}
def parse_domain(self, apikey):
feature = 'dnslookup'
if requests.get(f'{self.url.format(feature, apikey)}stats').json()['credits_remained'] < 0.13:
self.result = {'error': 'You do not have enough APIVoid credits to proceed your request.'}
return
mapping = {'A': 'resolution-of', 'MX': 'mail-server-of', 'NS': 'server-name-of'}
dnslookup = requests.get(f'{self.url.format(feature, apikey)}action=dns-any&host={self.attribute.value}').json()
for item in dnslookup['data']['records']['items']:
record_type = item['type']
try:
relationship = mapping[record_type]
except KeyError:
continue
self._handle_dns_record(item, record_type, relationship)
ssl = requests.get(f'{self.url.format("sslinfo", apikey)}host={self.attribute.value}').json()
self._parse_ssl_certificate(ssl['data']['certificate'])
def _handle_dns_record(self, item, record_type, relationship):
dns_record = MISPObject('dns-record')
dns_record.add_attribute('queried-domain', type='domain', value=item['host'])
attribute_type, feature = ('ip-dst', 'ip') if record_type == 'A' else ('domain', 'target')
dns_record.add_attribute(f'{record_type.lower()}-record', type=attribute_type, value=item[feature])
dns_record.add_reference(self.attribute.uuid, relationship)
self.misp_event.add_object(**dns_record)
def _parse_ssl_certificate(self, certificate):
x509 = MISPObject('x509')
fingerprint = 'x509-fingerprint-sha1'
x509.add_attribute(fingerprint, type=fingerprint, value=certificate['fingerprint'])
x509_mapping = {'subject': {'name': ('text', 'subject')},
'issuer': {'common_name': ('text', 'issuer')},
'signature': {'serial': ('text', 'serial-number')},
'validity': {'valid_from': ('datetime', 'validity-not-before'),
'valid_to': ('datetime', 'validity-not-after')}}
certificate = certificate['details']
for feature, subfeatures in x509_mapping.items():
for subfeature, mapping in subfeatures.items():
attribute_type, relation = mapping
x509.add_attribute(relation, type=attribute_type, value=certificate[feature][subfeature])
x509.add_reference(self.attribute.uuid, 'seen-by')
self.misp_event.add_object(**x509)
def handler(q=False):
if q is False:
return False
request = json.loads(q)
if not request.get('config', {}).get('apikey'):
return {'error': 'An API key for APIVoid is required.'}
attribute = request.get('attribute')
apikey = request['config']['apikey']
apivoid_parser = APIVoidParser(attribute)
apivoid_parser.parse_domain(apikey)
return apivoid_parser.get_results()
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo