A newer version is available. For the latest information, see the
current release documentation.
GCP Firewall Rule Deletion
editGCP Firewall Rule Deletion
editIdentifies when a firewall rule is deleted in Google Cloud Platform (GCP) for Virtual Private Cloud (VPC) or App Engine. These firewall rules can be configured to allow or deny connections to or from virtual machine (VM) instances or specific applications. An adversary may delete a firewall rule in order to weaken their target’s security controls.
Rule type: query
Rule indices:
- filebeat-*
- logs-gcp*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: None (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- GCP
- Continuous Monitoring
- SecOps
- Configuration Audit
Version: 8
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
edit## Setup The GCP Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule query
editevent.dataset:gcp.audit and event.action:(*.compute.firewalls.delete or google.appengine.*.Firewall.Delete*Rule)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/