def handler(q=False):
if q:
request = json.loads(q)
if not request.get('config') and not (request['config'].get('apikey')):
misperrors['error'] = 'Onyphe authentication is missing'
return misperrors
api = Onyphe(request['config'].get('apikey'))
if not api:
misperrors['error'] = 'Onyphe Error instance api'
ip = ''
if request.get('ip-src'):
ip = request['ip-src']
elif request.get('ip-dst'):
ip = request['ip-dst']
else:
misperrors['error'] = "Unsupported attributes type"
return misperrors
return handle_expansion(api, ip, misperrors)
else:
return False
def handler(q=False):
if q:
request = json.loads(q)
if not request.get('config') and not (request['config'].get('apikey')):
misperrors['error'] = 'Onyphe authentication is missing'
return misperrors
api = Onyphe(request['config'].get('apikey'))
if not api:
misperrors['error'] = 'Onyphe Error instance api'
ip = ''
if request.get('ip-src'):
ip = request['ip-src']
return handle_ip(api ,ip, misperrors)
elif request.get('ip-dst'):
ip = request['ip-dst']
return handle_ip(api,ip,misperrors)
elif request.get('domain'):
domain = request['domain']
return handle_domain(api, domain, misperrors)
elif request.get('hostname'):
hostname = request['hostname']
return handle_domain(api, hostname, misperrors)
else:
misperrors['error'] = "Unsupported attributes type"
return misperrors
else:
return False
def __init__(self, api_key, attribute):
self.onyphe_client = Onyphe(api_key=api_key)
self.attribute = attribute
self.misp_event = MISPEvent()
self.misp_event.add_attribute(**attribute)
class OnypheClient:
def __init__(self, api_key, attribute):
self.onyphe_client = Onyphe(api_key=api_key)
self.attribute = attribute
self.misp_event = MISPEvent()
self.misp_event.add_attribute(**attribute)
def get_results(self):
event = json.loads(self.misp_event.to_json())
results = {
key: event[key]
for key in ('Attribute', 'Object') if key in event
}
return results
def get_query_onyphe(self):
if self.attribute['type'] == 'ip-src' or self.attribute[
'type'] == 'ip-dst':
self.__summary_ip()
if self.attribute['type'] == 'domain':
self.__summary_domain()
if self.attribute['type'] == 'hostname':
self.__summary_hostname()
def __summary_ip(self):
results = self.onyphe_client.summary_ip(self.attribute['value'])
if 'results' in results:
for r in results['results']:
if 'domain' in r:
domain = r['domain']
if type(domain) == list:
for d in domain:
self.__get_object_domain_ip(d, 'domain')
elif type(domain) == str:
self.__get_object_domain_ip(domain, 'domain')
if 'hostname' in r:
hostname = r['hostname']
if type(hostname) == list:
for d in hostname:
self.__get_object_domain_ip(d, 'domain')
elif type(hostname) == str:
self.__get_object_domain_ip(hostname, 'domain')
if 'issuer' in r:
self.__get_object_certificate(r)
def __summary_domain(self):
results = self.onyphe_client.summary_domain(self.attribute['value'])
if 'results' in results:
for r in results['results']:
for domain in r.get('domain'):
self.misp_event.add_attribute('domain', domain)
for hostname in r.get('hostname'):
self.misp_event.add_attribute('hostname', hostname)
if 'ip' in r:
if type(r['ip']) is str:
self.__get_object_domain_ip(r['ip'], 'ip')
if type(r['ip']) is list:
for ip in r['ip']:
self.__get_object_domain_ip(ip, 'ip')
if 'issuer' in r:
self.__get_object_certificate(r)
def __summary_hostname(self):
results = self.onyphe_client.summary_hostname(self.attribute['value'])
if 'results' in results:
for r in results['results']:
if 'domain' in r:
if type(r['domain']) is str:
self.misp_event.add_attribute('domain', r['domain'])
if type(r['domain']) is list:
for domain in r['domain']:
self.misp_event.add_attribute('domain', domain)
if 'hostname' in r:
if type(r['hostname']) is str:
self.misp_event.add_attribute('hostname',
r['hostname'])
if type(r['hostname']) is list:
for hostname in r['hostname']:
self.misp_event.add_attribute('hostname', hostname)
if 'ip' in r:
if type(r['ip']) is str:
self.__get_object_domain_ip(r['ip'], 'ip')
if type(r['ip']) is list:
for ip in r['ip']:
self.__get_object_domain_ip(ip, 'ip')
if 'issuer' in r:
self.__get_object_certificate(r)
if 'cve' in r:
if type(r['cve']) is list:
for cve in r['cve']:
self.__get_object_cve(r, cve)
def __get_object_certificate(self, r):
object_certificate = MISPObject('x509')
object_certificate.add_attribute('ip', self.attribute['value'])
object_certificate.add_attribute('serial-number', r['serial'])
object_certificate.add_attribute('x509-fingerprint-sha256',
r['fingerprint']['sha256'])
object_certificate.add_attribute('x509-fingerprint-sha1',
r['fingerprint']['sha1'])
object_certificate.add_attribute('x509-fingerprint-md5',
r['fingerprint']['md5'])
signature = r['signature']['algorithm']
value = ''
if 'sha256' in signature and 'RSA' in signature:
value = 'SHA256_WITH_RSA_ENCRYPTION'
elif 'sha1' in signature and 'RSA' in signature:
value = 'SHA1_WITH_RSA_ENCRYPTION'
if value:
object_certificate.add_attribute('signature_algorithm', value)
object_certificate.add_attribute('pubkey-info-algorithm',
r['publickey']['algorithm'])
if 'exponent' in r['publickey']:
object_certificate.add_attribute('pubkey-info-exponent',
r['publickey']['exponent'])
if 'length' in r['publickey']:
object_certificate.add_attribute('pubkey-info-size',
r['publickey']['length'])
object_certificate.add_attribute('issuer', r['issuer']['commonname'])
object_certificate.add_attribute('validity-not-before',
r['validity']['notbefore'])
object_certificate.add_attribute('validity-not-after',
r['validity']['notbefore'])
object_certificate.add_reference(self.attribute['uuid'], 'related-to')
self.misp_event.add_object(object_certificate)
def __get_object_domain_ip(self, obs, relation):
objet_domain_ip = MISPObject('domain-ip')
objet_domain_ip.add_attribute(relation, obs)
relation_attr = self.__get_relation_attribute()
if relation_attr:
objet_domain_ip.add_attribute(relation_attr,
self.attribute['value'])
objet_domain_ip.add_reference(self.attribute['uuid'], 'related-to')
self.misp_event.add_object(objet_domain_ip)
def __get_relation_attribute(self):
if self.attribute['type'] == 'ip-src':
return 'ip'
elif self.attribute['type'] == 'ip-dst':
return 'ip'
elif self.attribute['type'] == 'domain':
return 'domain'
elif self.attribute['type'] == 'hostname':
return 'domain'
def __get_object_cve(self, item, cve):
attributes = []
object_cve = MISPObject('vulnerability')
object_cve.add_attribute('id', cve)
object_cve.add_attribute('state', 'Published')
if type(item['ip']) is list:
for ip in item['ip']:
attributes.extend(
list(
filter(lambda x: x['value'] == ip,
self.misp_event['Attribute'])))
for obj in self.misp_event['Object']:
attributes.extend(
list(
filter(lambda x: x['value'] == ip,
obj['Attribute'])))
if type(item['ip']) is str:
for obj in self.misp_event['Object']:
for att in obj['Attribute']:
if att['value'] == item['ip']:
object_cve.add_reference(obj['uuid'], 'cve')
self.misp_event.add_object(object_cve)