IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
GCP Kubernetes Rolebindings Created or Patchededit
Identifies the creation or patching of potential malicious rolebinding. You can assign these roles to Kubernetes subjects (users, groups, or service accounts) with role bindings and cluster role bindings.
Rule type: query
Rule indices:
- filebeat-*
- logs-gcp*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-20m (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: 1
Added (Elastic Stack release): 7.16.0
Rule authors: Elastic, Austin Songer
Rule license: Elastic License v2
Investigation guideedit
## Config The GCP Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule queryedit
event.dataset:(googlecloud.audit or gcp.audit) and event.action:(io.k8s.authorization.rbac.v*.clusterrolebindings.create or io.k8s.authorization.rbac.v*.rolebindings.create or io.k8s.authorization.rbac.v*.clusterrolebindings.patch or io.k8s.authorization.rbac.v*.rolebindings.patch) and event.outcome:success
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/