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import json
import logging
import sys
from passivetotal.common.utilities import is_ip
log = logging.getLogger('passivetotal')
log.setLevel(logging.DEBUG)
ch = logging.StreamHandler(sys.stdout)
ch.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
ch.setFormatter(formatter)
log.addHandler(ch)
misperrors = {'error': 'Error'}
mispattributes = {
'input': ['hostname', 'domain', 'ip-src', 'ip-dst',
'x509-fingerprint-sha1', 'email-src', 'email-dst',
'target-email', 'whois-registrant-email',
'whois-registrant-phone', 'text', 'whois-registrant-name',
'whois-registrar', 'whois-creation-date'],
'output': ['hostname', 'domain', 'ip-src', 'ip-dst',
'x509-fingerprint-sha1', 'email-src', 'email-dst',
'target-email', 'whois-registrant-email',
'whois-registrant-phone', 'text', 'whois-registrant-name',
'whois-registrar', 'whois-creation-date', 'md5', 'sha1',
'sha256', 'link']
}
moduleinfo = {
'version': '1.0',
'author': 'Brandon Dixon',
'description': 'The PassiveTotal MISP expansion module brings the datasets derived from Internet scanning directly into your MISP instance. This module supports passive DNS, historic SSL, WHOIS, and host attributes. In order to use the module, you must have a valid PassiveTotal account username and API key. Registration is free and can be done by visiting https://www.passivetotal.org/register',
'module-type': ['expansion', 'hover']
}
moduleconfig = ['username', 'api_key']
query_playbook = [
{'inputs': ['ip-src', 'ip-dst', 'hostname', 'domain'],
'services': ['whois', 'ssl', 'dns', 'enrichment'],
'name': 'generic'},
{'inputs': ['whois-registrant-email', 'whois-registrant-phone',
'whois-registrant-name', 'email-src', 'email-dst',
'target-email'],
'services': ['whois'],
'name': 'reverse-whois'},
{'inputs': ['x509-fingerprint-sha1'],
'services': ['ssl'],
'name': 'ssl-history'},
]
def query_finder(request):
"""Find the query value in the client request."""
for item in mispattributes['input']:
if not request.get(item, None):
continue
playbook = None
for x in query_playbook:
if item not in x['inputs']:
continue
playbook = x
break
return {'type': item, 'value': request.get(item), 'playbook': playbook}
def build_profile(request):
"""Check the incoming request for a valid configuration."""
output = {'success': False}
config = request.get('config', None)
if not config:
misperrors['error'] = "Configuration is missing from the request."
return output
for item in moduleconfig:
if config.get(item, None):
continue
misperrors['error'] = "PassiveTotal authentication is missing."
return output
profile = {'success': True, 'config': config}
profile.update(query_finder(request))
return profile
def _generate_request_instance(conf, request_type):
"""Automatically generate a request instance to use.
In the end, this saves us from having to load each request class in a
explicit way. Loading via a string is helpful to reduce the code per
call.
:param request_type: Type of client to load
:return: Loaded PassiveTotal client
"""
pt_username = conf.get('username')
pt_api_key = conf.get('api_key')
class_lookup = {'dns': 'DnsRequest', 'whois': 'WhoisRequest',
'ssl': 'SslRequest', 'enrichment': 'EnrichmentRequest',
'attributes': 'AttributeRequest'}
class_name = class_lookup[request_type]
mod = __import__('passivetotal.libs.%s' % request_type,
fromlist=[class_name])
loaded = getattr(mod, class_name)
headers = {'PT-INTEGRATION': 'MISP'}
authenticated = loaded(pt_username, pt_api_key, headers=headers)
return authenticated
def _has_error(results):
"""Check to see if there's an error in place and log it."""
if 'error' in results:
msg = "%s - %s" % (results['error']['message'],
results['error']['developer_message'])
misperrors['error'] = msg
return True
return False
def process_ssl_details(instance, query):
"""Process details for a specific certificate."""
log.debug("SSL Details: starting")
values = list()
_ = instance.get_ssl_certificate_details(query=query)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
for key, value in _.items():
if not value:
continue
values.append(value)
txt = [{'types': ['ssl-cert-attributes'], 'values': list(set(values))}]
log.debug("SSL Details: ending")
return txt
def process_ssl_history(instance, query):
"""Process the history for an SSL certificate."""
log.debug("SSL History: starting")
type_map = {
'ip': ['ip-src', 'ip-dst'],
'domain': ['domain', 'hostname'],
'sha1': ['x509-fingerprint-sha1']
}
hits = {'ip': list(), 'sha1': list(), 'domain': list()}
_ = instance.get_ssl_certificate_history(query=query)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
for item in _.get('results', []):
hits['ip'] += item.get('ipAddresses', [])
hits['sha1'].append(item['sha1'])
hits['domain'] += item.get('domains', [])
tmp = list()
for key, value in hits.items():
txt = {'types': type_map[key], 'values': list(set(value))}
tmp.append(txt)
log.debug("SSL Details: ending")
return tmp
def process_whois_details(instance, query):
"""Process the detail from the WHOIS record."""
log.debug("WHOIS Details: starting")
tmp = list()
_ = instance.get_whois_details(query=query, compact_record=True)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
if _.get('contactEmail', None):
tmp.append({'types': ['whois-registrant-email'], 'values': [_.get('contactEmail')]})
phones = _['compact']['telephone']['raw']
tmp.append({'types': ['whois-registrant-phone'], 'values': phones})
names = _['compact']['name']['raw']
tmp.append({'types': ['whois-registrant-name'], 'values': names})
if _.get('registrar', None):
tmp.append({'types': ['whois-registrar'], 'values': [_.get('registrar')]})
if _.get('registered', None):
tmp.append({'types': ['whois-creation-date'], 'values': [_.get('registered')]})
log.debug("WHOIS Details: ending")
return tmp
def process_whois_search(instance, query, qtype):
"""Process a WHOIS search for a specific field value."""
log.debug("WHOIS Search: starting")
if qtype in ['whois-registrant-email', 'email-src', 'email-dst', 'target-email']:
field_type = 'email'
if qtype in ['whois-registrant-phone']:
field_type = 'phone'
if qtype in ['whois-registrant-name']:
field_type = 'name'
domains = list()
_ = instance.search_whois_by_field(field=field_type, query=query)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
for item in _.get('results', []):
domain = item.get('domain', None)
if not domain:
continue
domains.append(domain)
tmp = [{'types': ['hostname', 'domain'], 'values': list(set(domains))}]
log.debug("WHOIS Search: ending")
return tmp
def process_passive_dns(instance, query):
"""Process passive DNS data."""
log.debug("Passive DNS: starting")
tmp = list()
_ = instance.get_unique_resolutions(query=query)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
if is_ip(query):
tmp = [{'types': ['domain', 'hostname'], 'values': _.get('results', [])}]
else:
tmp = [{'types': ['ip-src', 'ip-dst'], 'values': _.get('results', [])}]
log.debug("Passive DNS: ending")
return tmp
def process_osint(instance, query):
"""Process OSINT links."""
log.debug("OSINT: starting")
urls = list()
_ = instance.get_osint(query=query)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
for item in _.get('results', []):
urls.append(item['sourceUrl'])
tmp = [{'types': ['link'], 'values': urls}]
log.debug("OSINT: ending")
return tmp
def process_malware(instance, query):
"""Process malware samples."""
log.debug("Malware: starting")
content = {'hashes': list(), 'urls': list()}
_ = instance.get_malware(query=query)
err = _has_error(_)
if err:
raise Exception("We hit an error, time to bail!")
for item in _.get('results', []):
content['hashes'].append(item['sample'])
content['urls'].append(item['sourceUrl'])
tmp = [{'types': ['link'], 'values': content['urls']}]
hashes = {'md5': list(), 'sha1': list(), 'sha256': list()}
for h in content['hashes']:
if len(h) == 32:
hashes['md5'].append(h)
elif len(h) == 41:
hashes['sha1'].append(h)
elif len(h) == 64:
hashes['sha256'].append(h)
tmp += [{'types': ['md5'], 'values': hashes['md5']}]
tmp += [{'types': ['sha1'], 'values': hashes['sha1']}]
tmp += [{'types': ['sha256'], 'values': hashes['sha256']}]
log.debug("Malware: ending")
return tmp
def handler(q=False):
if not q:
return q
request = json.loads(q)
profile = build_profile(request)
if not profile['success']:
log.error(misperrors['error'])
return misperrors
output = {'results': list()}
instances = dict()
for service in profile['playbook']['services']:
instances[service] = _generate_request_instance(
profile['config'], service)
play_type = profile['playbook']['name']
query = profile['value']
qtype = profile['type']
try:
if play_type == 'generic':
results = process_passive_dns(instances['dns'], query)
output['results'] += results
results = process_whois_details(instances['whois'], query)
output['results'] += results
results = process_ssl_history(instances['ssl'], query)
output['results'] += results
results = process_osint(instances['enrichment'], query)
output['results'] += results
results = process_malware(instances['enrichment'], query)
output['results'] += results
elif play_type == 'reverse-whois':
results = process_whois_search(instances['whois'], query, qtype)
output['results'] += results
elif play_type == 'ssl-history':
results = process_ssl_details(instances['ssl'], query)
output['results'] += results
results = process_ssl_history(instances['ssl'], query)
output['results'] += results
else:
log.error("Unsupported query pattern issued.")
except:
return misperrors
return output
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo