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39 lines
1.9 KiB
Python
39 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright Security Onion Solutions LLC and/or licensed to Security Onion Solutions LLC under one
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# or more contributor license agreements. Licensed under the Elastic License 2.0 as shown at
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# https://securityonion.net/license; you may not use this file except in compliance with the
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# Elastic License 2.0.
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from time import gmtime, strftime
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import requests,json
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from elastalert.alerts import Alerter
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import urllib3
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urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
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class PlaybookESAlerter(Alerter):
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"""
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Use matched data to create alerts in elasticsearch
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"""
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required_options = set(['play_title','play_url','sigma_level'])
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def alert(self, matches):
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for match in matches:
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today = strftime("%Y.%m.%d", gmtime())
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timestamp = strftime("%Y-%m-%d"'T'"%H:%M:%S"'.000Z', gmtime())
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headers = {"Content-Type": "application/json"}
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creds = None
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if 'es_username' in self.rule and 'es_password' in self.rule:
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creds = (self.rule['es_username'], self.rule['es_password'])
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payload = {"tags":"alert","rule": { "name": self.rule['play_title'],"case_template": self.rule['play_id'],"uuid": self.rule['play_id'],"category": self.rule['rule.category']},"event":{ "severity": self.rule['event.severity'],"module": self.rule['event.module'],"dataset": self.rule['event.dataset'],"severity_label": self.rule['sigma_level']},"kibana_pivot": self.rule['kibana_pivot'],"soc_pivot": self.rule['soc_pivot'],"play_url": self.rule['play_url'],"sigma_level": self.rule['sigma_level'],"event_data": match, "@timestamp": timestamp}
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url = f"https://{self.rule['es_host']}:{self.rule['es_port']}/logs-playbook.alerts-so/_doc/"
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requests.post(url, data=json.dumps(payload), headers=headers, verify=False, auth=creds)
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def get_info(self):
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return {'type': 'PlaybookESAlerter'}
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