1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
# Copyright (c) Authors of Clover
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
import redis
import logging
import grpc
import nginx_pb2
import nginx_pb2_grpc
from idstools import unified2
HOST_IP = 'redis'
# PROXY_GRPC = 'proxy-access-control:50054'
logging.basicConfig(filename='alert.log', level=logging.DEBUG)
connect = False
while not connect:
try:
r = redis.StrictRedis(host=HOST_IP, port=6379, db=0)
r.delete('snort_events')
connect = True
except Exception as e:
logging.debug(e)
connect = False
reader = unified2.SpoolRecordReader("/var/log/snort",
"", follow=True)
def sendGrpcAlert(event_id, redis_key):
try:
channel = grpc.insecure_channel('proxy-access-control:50054')
stub = nginx_pb2_grpc.ControllerStub(channel)
stub.ProcessAlerts(nginx_pb2.AlertMessage(
event_id=event_id, redis_key=redis_key))
except Exception as e:
logging.debug(e)
for record in reader:
try:
if isinstance(record, unified2.Event):
event = record
elif isinstance(record, unified2.Packet):
packet = record
# elif isinstance(record, unified2.ExtraData):
# print("Extra-Data:")
snort_event = "snort_event:" + str(record['event-id'])
r.sadd('snort_events', str(record['event-id']))
event.update(packet)
r.hmset(snort_event, event)
sendGrpcAlert(str(record['event-id']), 'snort_events')
except Exception as e:
logging.debug(e)
|
