зеркало из https://github.com/mozilla/MozDef.git
57 строки
1.9 KiB
Python
57 строки
1.9 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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# Anthony Verez averez@mozilla.com
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# Jeff Bryner jbryner@mozilla.com
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# Aaron Meihm ameihm@mozilla.com
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# Michal Purzynski <mpurzynski@mozilla.com>
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# Alicia Smith <asmith@mozilla.com>
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from lib.alerttask import AlertTask
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from query_models import SearchQuery, TermMatch, ExistsMatch, PhraseMatch
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class AlertUnauthInternalScan(AlertTask):
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def main(self):
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search_query = SearchQuery(minutes=2)
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search_query.add_must([
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TermMatch('_type', 'bro'),
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TermMatch('category', 'bronotice'),
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TermMatch('eventsource', 'nsm'),
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TermMatch('hostname', 'nsmserver1'),
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ExistsMatch('details.indicators'),
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PhraseMatch('details.note', 'Scan::Address_Scan'),
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])
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self.filtersManual(search_query)
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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 = 'scan'
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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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indicators = 'unknown'
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port = 'unknown'
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x = event['_source']
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if 'details' in x:
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if 'indicators' in x['details']:
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indicators = x['details']['indicators']
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if 'p' in x['details']:
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port = x['details']['p']
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summary = '{2}: Unauthorized Internal Scan Event from {0} scanning ports {1}'.format(indicators, port, hostname)
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# Create the alert object based on these properties
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return self.createAlertDict(summary, category, [], [event], severity, url)
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