Elastic Security Detection Rules

GKE Secrets List from Unusual Source AS Organization

Last updated 8 days ago on 2026-06-30
Created 8 days ago on 2026-06-30

About

Detects the first time a human GKE caller lists secrets cluster-wide or in default or kube-system from a source autonomous system that is not attributed to common cloud provider organizations. This can indicate remote secret enumeration using stolen credentials from an unusual network.
Tags
Domain: CloudDomain: KubernetesData Source: GCPData Source: Google Cloud PlatformUse Case: Threat DetectionTactic: Credential AccessTactic: DiscoveryLanguage: kuery
Severity
high
Risk Score
73
MITRE ATT&CK™

Credential Access (TA0006)(external, opens in a new tab or window)

↳ Unsecured Credentials (T1552)(external, opens in a new tab or window)

Discovery (TA0007)(external, opens in a new tab or window)

↳ Container and Resource Discovery (T1613)(external, opens in a new tab or window)

False Positive Examples
Engineers listing secrets from home ISP or corporate VPN AS names may match until baselined. GeoIP organization labels vary by vendor; tune exclusions after validation.
License
Elastic License v2(external, opens in a new tab or window)

Definition

Rule Type
New Terms Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
logs-gcp.audit-*
Related Integrations

gcp(external, opens in a new tab or window)

Query
text code block:
data_stream.dataset:gcp.audit and service.name:"k8s.io" and event.action:io.k8s.core.v1.secrets.list and gcp.audit.resource_name:(core/v1/namespaces/default/secrets or core/v1/namespaces/kube-system/secrets or core/v1/secrets) and user.email:*@* and source.as.organization.name:(* and not ("Google LLC" or "Microsoft Corporation")) and source.as.number:*

Install detection rules in Elastic Security

Detect GKE Secrets List from Unusual Source AS Organization in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(external, opens in a new tab or window).