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Added the new attribute and tags for AbuseIPDB and added the google safe browsing expansion module

pull/629/head
Steph S 2023-07-13 09:33:59 -04:00
parent 513d292994
commit 43e1eb07d0
2 changed files with 119 additions and 20 deletions
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59
misp_modules/modules/expansion/abuseipdb.py
View File

@ -5,27 +5,14 @@ from . import check_input_attribute, checking_error, standard_error_message
import dns.resolver
misperrors = {'error': 'Error'}
mispattributes = {'input': ['hostname', 'domain', 'domain|ip'], 'format': 'misp_standard'}
mispattributes = {'input': ['ip-src', 'ip-dst', 'hostname', 'domain', 'domain|ip'], 'format': 'misp_standard'}
moduleinfo = {'version': '0.1', 'author': 'Stephanie S',
'description': 'AbuseIPDB MISP expansion module',
'module-type': ['expansion', 'hover']}
moduleconfig = ['api_key', 'max_age_in_days']
def handler(q=False):
if q is False:
return False
request = json.loads(q)
if "config" not in request or "api_key" not in request["config"]:
return {"error": "AbuseIPDB API key is missing"}
if "max_age_in_days" not in request["config"]:
return {"error": "AbuseIPDB max age in days is missing"}
if not request.get('attribute') or not check_input_attribute(request['attribute'], requirements=('type', 'value')):
return {'error': f'{standard_error_message}, {checking_error}.'}
if request['attribute']['type'] not in mispattributes['input']:
return {'error': 'Unsupported attribute type.'}
moduleconfig = ['api_key', 'max_age_in_days', 'abuse_threshold']
def get_ip(request):
# Need to get the ip from the domain
resolver = dns.resolver.Resolver()
resolver.timeout = 2
@ -33,6 +20,7 @@ def handler(q=False):
try:
ip = resolver.query(request["attribute"]["value"], 'A')
return ip
except dns.resolver.NXDOMAIN:
misperrors['error'] = "NXDOMAIN"
return misperrors
@ -43,11 +31,33 @@ def handler(q=False):
misperrors['error'] = "DNS resolving error"
return misperrors
def handler(q=False):
if q is False:
return False
request = json.loads(q)
if "config" not in request or "api_key" not in request["config"]:
return {"error": "AbuseIPDB API key is missing"}
if "max_age_in_days" not in request["config"]:
return {"error": "AbuseIPDB max age in days is missing"}
if "abuse_threshold" not in request["config"]:
return {"error": "AbuseIPDB abuse threshold is missing"}
if not request.get('attribute') or not check_input_attribute(request['attribute'], requirements=('type', 'value')):
return {'error': f'{standard_error_message}, {checking_error}.'}
if request['attribute']['type'] not in mispattributes['input']:
return {'error': 'Unsupported attribute type.'}
if (request['attribute']['type'] == 'hostname' or request['attribute']['type'] == 'domain' or request['attribute']['type'] == 'domain|ip'):
ip = get_ip(request)[0]
else:
ip = request["attribute"]["value"]
api_key = request["config"]["api_key"]
max_age_in_days = request["config"]["max_age_in_days"]
api_endpoint = 'https://api.abuseipdb.com/api/v2/check'
querystring = {
'ipAddress': ip[0],
'ipAddress': ip,
'maxAgeInDays': max_age_in_days
}
headers = {
@ -65,6 +75,13 @@ def handler(q=False):
is_public = response_json['data']['isPublic']
abuse_confidence_score = response_json['data']['abuseConfidenceScore']
abuse_threshold = request["config"]["abuse_threshold"]
if (request["config"]["abuse_threshold"] is not None):
abuse_threshold = request["config"]["abuse_threshold"]
else:
abuse_threshold = 70
if (is_whitelisted == False):
is_whitelisted = 0
if (is_tor == False):
@ -79,9 +96,15 @@ def handler(q=False):
else:
event = MISPEvent()
obj = MISPObject('abuseipdb')
attribute = MISPAttribute()
event.add_attribute(**request['attribute'])
if int(abuse_confidence_score) >= int(abuse_threshold):
malicious_attribute = obj.add_attribute('is-malicious', **{'type': 'boolean', 'value': 1})
malicious_attribute.add_tag(f'ioc:artifact-state="malicious"')
else:
malicious_attribute = obj.add_attribute('is-malicious', **{'type': 'boolean', 'value': 0})
malicious_attribute.add_tag(f'ioc:artifact-state="not-malicious"')
if is_whitelisted is not None:
obj.add_attribute('is-whitelisted', **{'type': 'boolean', 'value': is_whitelisted})
obj.add_attribute('is-tor', **{'type': 'boolean', 'value': is_tor})

76
misp_modules/modules/expansion/google_safe_browsing.py Normal file
View File

@ -0,0 +1,76 @@
# import requests
import json
from pymisp import MISPObject, MISPAttribute, MISPEvent
from . import check_input_attribute, checking_error, standard_error_message
from pysafebrowsing import SafeBrowsing
misperrors = {'error': 'Error'}
mispattributes = {'input': ['url'], 'format': 'misp_standard'}
moduleinfo = {'version': '0.1', 'author': 'Stephanie S',
'description': 'Google safe browsing expansion module',
'module-type': ['expansion', 'hover']}
moduleconfig = ['api_key']
def handler(q=False):
if q is False:
return False
request = json.loads(q)
if "config" not in request or "api_key" not in request["config"]:
return {"error": "Google Safe Browsing API key is missing"}
if not request.get('attribute') or not check_input_attribute(request['attribute'], requirements=('type', 'value')):
return {'error': f'{standard_error_message}, {checking_error}.'}
if request['attribute']['type'] not in mispattributes['input']:
return {'error': 'Unsupported attribute type.'}
api_key = request["config"]["api_key"]
url = request["attribute"]["value"]
s = SafeBrowsing(api_key)
try:
response = s.lookup_urls([url])
event = MISPEvent()
obj = MISPObject('google-safe-browsing')
event.add_attribute(**request['attribute'])
if (response[url]['malicious'] != False):
# gsb threat types: THREAT_TYPE_UNSPECIFIED, MALWARE, SOCIAL_ENGINEERING, UNWANTED_SOFTWARE, POTENTIALLY_HARMFUL_APPLICATION
gsb_circl_threat_taxonomy = {"MALWARE": 'malware', "SOCIAL_ENGINEERING": 'social-engineering'}
threats = response[url]['threats']
malicious = response[url]['malicious']
platforms = response[url]['platforms']
malicious_attribute = obj.add_attribute('malicious', **{'type': 'boolean', 'value': malicious})
malicious_attribute.add_tag(f'ioc:artifact-state="malicious"')
threat_attribute = obj.add_attribute('threats', **{'type': 'text', 'value': str(" ".join(threats))})
for threat in threats:
# If the threat exists as a key in taxonomy_dict, add that tag
if (gsb_circl_threat_taxonomy.get(threat) is not None):
threat_attribute.add_tag(f'circl:incident="{gsb_circl_threat_taxonomy.get(threat)}"')
else:
threat_attribute.add_tag(f'threat-type:{str(threat).lower()}')
obj.add_attribute('platforms', **{'type': 'text', 'value': str(" ".join(platforms))})
else:
malicious_attribute = obj.add_attribute('malicious', **{'type': 'boolean', 'value': 0}) # 0 == False
malicious_attribute.add_tag(f'ioc:artifact-state="not-malicious"')
obj.add_reference(request['attribute']['uuid'], "describes")
event.add_object(obj)
# Avoid serialization issue
event = json.loads(event.to_json())
return {"results": {'Object': event['Object'], 'Attribute': event['Attribute']}}
except Exception as error:
return {"error": "An error occurred: " + str(error)}
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo