зеркало из https://github.com/mozilla/MozDef.git
144 строки
5.0 KiB
Python
Executable File
144 строки
5.0 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
# Copyright (c) 2014 Mozilla Corporation
|
|
|
|
import json
|
|
import logging
|
|
import os
|
|
import sys
|
|
from datetime import datetime
|
|
from configlib import getConfig, OptionParser
|
|
from logging.handlers import SysLogHandler
|
|
from time import sleep
|
|
import socket
|
|
|
|
import sys
|
|
import os
|
|
sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), '../lib'))
|
|
from utilities.toUTC import toUTC
|
|
from elasticsearch_client import ElasticsearchClient, ElasticsearchBadServer
|
|
from query_models import SearchQuery, Aggregation
|
|
|
|
logger = logging.getLogger(sys.argv[0])
|
|
|
|
|
|
def loggerTimeStamp(self, record, datefmt=None):
|
|
return toUTC(datetime.now()).isoformat()
|
|
|
|
|
|
def initLogger():
|
|
logger.level = logging.INFO
|
|
formatter = logging.Formatter(
|
|
'%(asctime)s - %(name)s - %(levelname)s - %(message)s')
|
|
formatter.formatTime = loggerTimeStamp
|
|
if options.output == 'syslog':
|
|
logger.addHandler(
|
|
SysLogHandler(address=(options.sysloghostname,
|
|
options.syslogport)))
|
|
else:
|
|
sh = logging.StreamHandler(sys.stderr)
|
|
sh.setFormatter(formatter)
|
|
logger.addHandler(sh)
|
|
|
|
|
|
def esSearch(es):
|
|
search_query = SearchQuery(minutes=options.aggregationminutes)
|
|
search_query.add_aggregation(Aggregation('category'))
|
|
|
|
try:
|
|
results = search_query.execute(es)
|
|
|
|
mozdefstats = dict(utctimestamp=toUTC(datetime.now()).isoformat())
|
|
mozdefstats['category'] = 'stats'
|
|
mozdefstats['hostname'] = socket.gethostname()
|
|
mozdefstats['mozdefhostname'] = mozdefstats['hostname']
|
|
mozdefstats['severity'] = 'INFO'
|
|
mozdefstats['source'] = 'mozdef'
|
|
mozdefstats['tags'] = ['mozdef', 'stats']
|
|
mozdefstats['summary'] = 'Aggregated category counts'
|
|
mozdefstats['processid'] = os.getpid()
|
|
mozdefstats['processname'] = sys.argv[0]
|
|
mozdefstats['details'] = dict(counts=list())
|
|
for bucket in results['aggregations']['category']['terms']:
|
|
entry = dict()
|
|
entry[bucket['key']] = bucket['count']
|
|
mozdefstats['details']['counts'].append(entry)
|
|
return mozdefstats
|
|
|
|
except ElasticsearchBadServer:
|
|
logger.error('Elastic Search server could not be reached, check network connectivity')
|
|
|
|
|
|
def main():
|
|
'''
|
|
Get aggregated statistics on incoming events
|
|
to use in alerting/notices/queries about event patterns over time
|
|
'''
|
|
logger.debug('starting')
|
|
logger.debug(options)
|
|
es = ElasticsearchClient((list('{0}'.format(s) for s in options.esservers)))
|
|
index = options.index
|
|
stats = esSearch(es)
|
|
logger.debug(json.dumps(stats))
|
|
sleepcycles = 0
|
|
try:
|
|
while not es.index_exists(index):
|
|
sleep(3)
|
|
if sleepcycles == 3:
|
|
logger.debug("The index is not created. Terminating eventStats.py cron job.")
|
|
exit(1)
|
|
sleepcycles += 1
|
|
if es.index_exists(index):
|
|
# post to elastic search servers directly without going through
|
|
# message queues in case there is an availability issue
|
|
es.save_event(index=index, body=json.dumps(stats), doc_type='mozdefstats')
|
|
|
|
except Exception as e:
|
|
logger.error("Exception %r when gathering statistics " % e)
|
|
|
|
logger.debug('finished')
|
|
|
|
|
|
def initConfig():
|
|
# output our log to stdout or syslog
|
|
options.output = getConfig('output', 'stdout', options.configfile)
|
|
# syslog hostname
|
|
options.sysloghostname = getConfig('sysloghostname',
|
|
'localhost',
|
|
options.configfile)
|
|
# syslog port
|
|
options.syslogport = getConfig('syslogport', 514, options.configfile)
|
|
|
|
# elastic search server settings
|
|
options.esservers = list(getConfig('esservers',
|
|
'http://localhost:9200',
|
|
options.configfile).split(','))
|
|
|
|
# field to use as the aggegation point (category, _type, etc)
|
|
options.aggregationfield = getConfig('aggregationfield',
|
|
'category',
|
|
options.configfile)
|
|
|
|
# default time period in minutes to look back in time for the aggregation
|
|
options.aggregationminutes = getConfig('aggregationminutes',
|
|
15,
|
|
options.configfile)
|
|
# configure the index to save events to
|
|
options.index = getConfig('index', 'mozdefstate', options.configfile)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
parser = OptionParser()
|
|
parser.add_option(
|
|
"-c",
|
|
dest='configfile',
|
|
default=sys.argv[0].replace('.py', '.conf'),
|
|
help="configuration file to use")
|
|
(options, args) = parser.parse_args()
|
|
initConfig()
|
|
initLogger()
|
|
main()
|