зеркало из https://github.com/mozilla/MozDef.git
46 строки
1.6 KiB
Python
46 строки
1.6 KiB
Python
#!/usr/bin/env python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# Copyright (c) 2014 Mozilla Corporation
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#
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# Contributors:
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# Michal Purzynski michal@mozilla.com
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from lib.alerttask import AlertTask
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import pyes
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class AlertCorrelatedIntelNotice(AlertTask):
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def main(self):
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# look for events in last 15 mins
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date_timedelta = dict(minutes=15)
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# Configure filters using pyes
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must = [
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pyes.TermFilter('_type', 'bro'),
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pyes.TermFilter('eventsource', 'nsm'),
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pyes.TermFilter('category', 'bronotice'),
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pyes.ExistsFilter('details.sourceipaddress'),
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pyes.QueryFilter(pyes.MatchQuery('details.note','CrowdStrike::Correlated_Alerts','phrase'))
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]
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self.filtersManual(date_timedelta, must=must)
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# Search events
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self.searchEventsSimple()
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self.walkEvents()
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# Set alert properties
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def onEvent(self, event):
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category = 'correlatedalerts'
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tags = ['nsm,bro,correlated']
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severity = 'NOTICE'
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hostname = event['_source']['hostname']
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url = "https://mana.mozilla.org/wiki/display/SECURITY/NSM+IR+procedures"
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# the summary of the alert is the same as the event
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summary = '{0} {1}'.format(hostname, event['_source']['summary'])
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# Create the alert object based on these properties
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return self.createAlertDict(summary, category, tags, [event], severity=severity, url=url)
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