CSEC_PUBLIC/securityonion
1
0
Fork 0
mirror of https://github.com/Security-Onion-Solutions/securityonion.git synced 2025-12-07 17:52:46 +01:00
Code Issues Packages Projects Releases Wiki Activity

remove duplicate alerter

Browse Source
This commit is contained in:
Wes Lambert
2019-09-23 14:43:54 +00:00
parent 5419bd6f08
commit 965ee6f922
1 changed files with 0 additions and 108 deletions
Download Patch File Download Diff File Expand all files Collapse all files

108
salt/elastalert/files/modules/so/hivealerter.py
View File

@@ -1,108 +0,0 @@
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import uuid
from elastalert.alerts import Alerter
from thehive4py.api import TheHiveApi
from thehive4py.models import Alert, AlertArtifact, CustomFieldHelper
class HiveAlerter(Alerter):
"""
Use matched data to create alerts containing observables in an instance of TheHive
"""
required_options = set(['hive_connection', 'hive_alert_config'])
def get_aggregation_summary_text(self, matches):
text = super(HiveAlerter, self).get_aggregation_summary_text(matches)
if text:
text = u'```\n{0}```\n'.format(text)
return text
def create_artifacts(self, match):
artifacts = []
context = {'rule': self.rule, 'match': match}
for mapping in self.rule.get('hive_observable_data_mapping', []):
for observable_type, match_data_key in mapping.iteritems():
try:
artifacts.append(AlertArtifact(dataType=observable_type, data=match_data_key.format(**context)))
except KeyError as e:
print('format string {} fail cause no key {} in {}'.format(e, match_data_key, context))
return artifacts
def create_alert_config(self, match):
context = {'rule': self.rule, 'match': match}
alert_config = {
'artifacts': self.create_artifacts(match),
'sourceRef': str(uuid.uuid4())[0:6],
'title': '{rule[name]}'.format(**context)
}
alert_config.update(self.rule.get('hive_alert_config', {}))
for alert_config_field, alert_config_value in alert_config.iteritems():
if alert_config_field == 'customFields':
custom_fields = CustomFieldHelper()
for cf_key, cf_value in alert_config_value.iteritems():
try:
func = getattr(custom_fields, 'add_{}'.format(cf_value['type']))
except AttributeError:
raise Exception('unsupported custom field type {}'.format(cf_value['type']))
value = cf_value['value'].format(**context)
func(cf_key, value)
alert_config[alert_config_field] = custom_fields.build()
elif isinstance(alert_config_value, basestring):
alert_config[alert_config_field] = alert_config_value.format(**context)
elif isinstance(alert_config_value, (list, tuple)):
formatted_list = []
for element in alert_config_value:
try:
formatted_list.append(element.format(**context))
except (AttributeError, KeyError, IndexError):
formatted_list.append(element.format(**context))
except (AttributeError, KeyError, IndexError):
formatted_list.append(element)
alert_config[alert_config_field] = formatted_list
return alert_config
def send_to_thehive(self, alert_config):
connection_details = self.rule['hive_connection']
api = TheHiveApi(
connection_details.get('hive_host', ''),
connection_details.get('hive_apikey', ''),
proxies=connection_details.get('hive_proxies', {'http': '', 'https': ''}),
cert=connection_details.get('hive_verify', False))
alert = Alert(**alert_config)
response = api.create_alert(alert)
if response.status_code != 201:
raise Exception('alert not successfully created in TheHive\n{}'.format(response.text))
def alert(self, matches):
if self.rule.get('hive_alert_config_type', 'custom') != 'classic':
for match in matches:
alert_config = self.create_alert_config(match)
self.send_to_thehive(alert_config)
else:
alert_config = self.create_alert_config(matches[0])
artifacts = []
for match in matches:
artifacts += self.create_artifacts(match)
if 'related_events' in match:
for related_event in match['related_events']:
artifacts += self.create_artifacts(related_event)
alert_config['artifacts'] = artifacts
alert_config['title'] = self.create_title(matches)
alert_config['description'] = self.create_alert_body(matches)
self.send_to_thehive(alert_config)
def get_info(self):
return {
'type': 'hivealerter',
'hive_host': self.rule.get('hive_connection', {}).get('hive_host', '')
}