MozDef/alerts/cloudtrail_logging_disabled.py

35 строки
1.1 KiB
Python

#!/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) 2017 Mozilla Corporation
from lib.alerttask import AlertTask
from mozdef_util.query_models import SearchQuery, TermMatch
class AlertCloudtrailLoggingDisabled(AlertTask):
def main(self):
search_query = SearchQuery(minutes=30)
search_query.add_must([
TermMatch('source', 'cloudtrail'),
TermMatch('details.eventname', 'StopLogging')
])
search_query.add_must_not(TermMatch('errorcode', 'AccessDenied'))
self.filtersManual(search_query)
self.searchEventsSimple()
self.walkEvents()
def onEvent(self, event):
category = 'AWSCloudtrail'
tags = ['cloudtrail', 'aws', 'cloudtrailpagerduty']
severity = 'CRITICAL'
summary = 'Cloudtrail Logging Disabled: ' + event['_source']['details']['requestparameters']['name']
return self.createAlertDict(summary, category, tags, [event], severity)