mirror of https://github.com/MISP/misp-dashboard
150 lines
4.4 KiB
Python
Executable File
150 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3.5
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import time, datetime
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import zmq
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import redis
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import random
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import configparser
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import os
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import sys
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import json
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import geoip2.database
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configfile = os.path.join(os.environ['VIRTUAL_ENV'], '../config.cfg')
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cfg = configparser.ConfigParser()
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cfg.read(configfile)
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zmq_url = cfg.get('RedisLog', 'zmq_url')
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channel = cfg.get('RedisLog', 'channel')
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context = zmq.Context()
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socket = context.socket(zmq.SUB)
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socket.connect(zmq_url)
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socket.setsockopt_string(zmq.SUBSCRIBE, '')
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channelDisp = cfg.get('RedisMap', 'channelDisp')
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redis_server = redis.StrictRedis(
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host=cfg.get('RedisLog', 'host'),
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port=cfg.getint('RedisLog', 'port'),
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db=cfg.getint('RedisLog', 'db'))
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serv_coord = redis.StrictRedis(
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host=cfg.get('RedisMap', 'host'),
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port=cfg.getint('RedisMap', 'port'),
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db=cfg.getint('RedisMap', 'db'))
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path_to_db = "/home/sami/Downloads/GeoLite2-City_20171003/GeoLite2-City.mmdb"
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reader = geoip2.database.Reader(path_to_db)
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channel_proc = "CoordToProcess"
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def publish_log(name, content):
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to_send = { 'name': name, 'log': json.dumps(content) }
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redis_server.publish(channel, json.dumps(to_send))
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def ip_to_coord(ip):
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resp = reader.city(ip)
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lat = float(resp.location.latitude)
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lon = float(resp.location.longitude)
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# 0.0001 correspond to ~10m
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# Cast the float so that it has the correct float format
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lat_corrected = float("{:.4f}".format(lat))
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lon_corrected = float("{:.4f}".format(lon))
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return { 'coord': {'lat': lat_corrected, 'lon': lon_corrected}, 'full_rep': resp }
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def getCoordAndPublish(supposed_ip, categ):
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try:
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rep = ip_to_coord(supposed_ip)
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coord = rep['coord']
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coord_dic = {'lat': coord['lat'], 'lon': coord['lon']}
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coord_list = [coord['lat'], coord['lon']]
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now = datetime.datetime.now()
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today_str = str(now.year)+str(now.month)+str(now.day)
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keyname = 'GEO_' + today_str
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serv_coord.zincrby(keyname, coord_list)
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to_send = {
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"coord": coord,
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"categ": categ,
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"value": supposed_ip,
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"country": rep['full_rep'].country.name,
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"specifName": rep['full_rep'].subdivisions.most_specific.name,
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"cityName": rep['full_rep'].city.name,
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"regionCode": rep['full_rep'].country.iso_code,
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}
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serv_coord.publish(channelDisp, json.dumps(to_send))
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except ValueError:
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print("can't resolve ip")
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##############
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## HANDLERS ##
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##############
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def handler_log(jsonevent):
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print('sending', 'log')
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return
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def handler_keepalive(jsonevent):
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print('sending', 'keepalive')
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to_push = [ jsonevent['uptime'] ]
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publish_log('Keepalive', to_push)
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def handler_event(jsonevent):
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print(jsonevent)
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#fields: threat_level_id, id, info
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jsonevent = jsonevent['Event']
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#redirect to handler_attribute
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if 'Attribute' in jsonevent:
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attributes = jsonevent['Attribute']
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if attributes is list:
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for attr in attributes:
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handler_attribute(attr)
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else:
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handler_attribute(jsonevent)
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def handler_attribute(jsonattr):
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print(jsonattr)
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jsonattr = jsonattr['Attribute']
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to_push = []
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for field in json.loads(cfg.get('Log', 'fieldname_order')):
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if type(field) is list:
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to_add = cfg.get('Log', 'char_separator').join([ jsonattr[subField] for subField in field ])
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else:
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to_add = jsonattr[field]
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to_push.append(to_add)
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#try to get coord
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if jsonattr['category'] == "Network activity":
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getCoordAndPublish(jsonattr['value'], jsonattr['category'])
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publish_log('Attribute', to_push)
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def process_log(event):
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event = event.decode('utf8')
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topic, eventdata = event.split(' ', maxsplit=1)
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jsonevent = json.loads(eventdata)
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dico_action[topic](jsonevent)
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def main():
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while True:
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content = socket.recv()
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content.replace(b'\n', b'') # remove \n...
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process_log(content)
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dico_action = {
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"misp_json": handler_event,
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"misp_json_self": handler_keepalive,
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"misp_json_attribute": handler_attribute,
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"misp_json_sighting": handler_log,
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"misp_json_organisation": handler_log,
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"misp_json_user": handler_log,
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"misp_json_conversation": handler_log
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}
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if __name__ == "__main__":
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main()
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reader.close()
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