IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« Windows Service Installed via an Unusual Client Appendix N: Downloadable rule update v8.3.4 »
Elastic Docs ›Elastic Security Solution [8.5] ›Downloadable rule update v8.3.3

GCP Kubernetes Rolebindings Created or Patched

edit

GCP Kubernetes Rolebindings Created or Patched

edit

Identifies the creation or patching of potentially malicious role bindings. Users can use role bindings and cluster role bindings to assign roles to Kubernetes subjects (users, groups, or service accounts).

Rule type: query

Rule indices:

  • filebeat-*
  • logs-gcp*

Severity: medium

Risk score: 47

Runs every: 5m

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: 102

Rule authors:

  • Elastic
  • Austin Songer

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

edit
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 and
not gcp.audit.authentication_info.principal_email:"system:addon-manager"

Framework: MITRE ATT&CKTM

« Windows Service Installed via an Unusual Client Appendix N: Downloadable rule update v8.3.4 »