mirror of https://github.com/MISP/misp-modules
76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
import json
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import geoip2.database
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import sys
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import logging
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log = logging.getLogger('geoip_asn')
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log.setLevel(logging.DEBUG)
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ch = logging.StreamHandler(sys.stdout)
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ch.setLevel(logging.DEBUG)
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formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
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ch.setFormatter(formatter)
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log.addHandler(ch)
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ['ip-src', 'ip-dst', 'domain|ip'], 'output': ['freetext']}
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moduleconfig = ['local_geolite_db']
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# possible module-types: 'expansion', 'hover' or both
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moduleinfo = {
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'version': '0.1',
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'author': 'GlennHD',
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'description': 'Query a local copy of the Maxmind Geolite ASN database (MMDB format)',
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'module-type': ['expansion', 'hover'],
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'name': 'GeoIP ASN Lookup',
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'logo': 'maxmind.png',
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'requirements': ["A local copy of Maxmind's Geolite database"],
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'features': "The module takes an IP address attribute as input and queries a local copy of the Maxmind's Geolite database to get information about the related AS number.",
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'references': ['https://www.maxmind.com/en/home'],
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'input': 'An IP address MISP attribute.',
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'output': 'Text containing information about the AS number of the IP address.',
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'descrption': "An expansion module to query a local copy of Maxmind's Geolite database with an IP address, in order to get information about its related AS number.",
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}
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def handler(q=False):
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if q is False:
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return False
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request = json.loads(q)
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if not request.get('config') or not request['config'].get('local_geolite_db'):
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return {'error': 'Please specify the path of your local copy of the Maxmind Geolite ASN database'}
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path_to_geolite = request['config']['local_geolite_db']
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if request.get('ip-dst'):
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toquery = request['ip-dst']
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elif request.get('ip-src'):
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toquery = request['ip-src']
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elif request.get('domain|ip'):
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toquery = request['domain|ip'].split('|')[1]
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else:
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return False
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try:
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reader = geoip2.database.Reader(path_to_geolite)
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except FileNotFoundError:
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return {'error': f'Unable to locate the GeoLite database you specified ({path_to_geolite}).'}
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log.debug(toquery)
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try:
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answer = reader.asn(toquery)
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stringmap = 'ASN=' + str(answer.autonomous_system_number) + ', AS Org=' + str(answer.autonomous_system_organization)
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except Exception as e:
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misperrors['error'] = f"GeoIP resolving error: {e}"
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return misperrors
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r = {'results': [{'types': mispattributes['output'], 'values': stringmap}]}
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return r
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def introspection():
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return mispattributes
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def version():
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moduleinfo['config'] = moduleconfig
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return moduleinfo
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