MozDef/alerts/ssh_ioc.py

#!/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) 2015 Mozilla Corporation

from lib.alerttask import AlertTask
from mozdef_util.query_models import SearchQuery, TermMatch


class AlertSSHIOC(AlertTask):
    def main(self):
        search_query = SearchQuery(minutes=30)

        search_query.add_must([
            TermMatch('tags', 'mig-runner-sshioc'),
        ])

        self.filtersManual(search_query)

        self.searchEventsSimple()
        self.walkEvents()

    # Set alert properties
    def onEvent(self, event):
        category = 'sshioc'
        tags = ['sshioc']
        severity = 'WARNING'

        summary = 'SSH IOC match from runner plugin'
        return self.createAlertDict(summary, category, tags, [event], severity)