Suspicious Kubernetes SelfSubjectAccessReview Permission Enumeration

ATT&CK techniques

Discovery

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
- T1613Container and Resource Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of SelfSubjectAccessReview or SelfSubjectRulesReview objects which are used to enumerate the permissions granted to the current identity as described in NCC Group Kubernetes detection engineering research. Adversaries query their own effective RBAC access to plan privilege escalation and lateral movement so bursts of these reviews should be investigated.

Reporting behind it

Related detections7 linkedT1613 — drag to rearrange

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Suspicious Kubernetes Secret Enumeration via kubectl

Suspicious Kubernetes API Request From Anonymous User

Suspicious Kubernetes Secret and Permission Enumeration via kubectl (via process_creation)

Suspicious Anonymous Access to Kubernetes API Server via Audit Log

Kubernetes audit log signals potential tool and shell enumeration/execution activity

Suspicious Kubernetes SelfSubjectAccessReview Permission Enumeration

Pivot detection · T1613 · 7 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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