Analytics BIOC Informational

A Kubernetes service account executed an unusual API call

A Kubernetes service account executed an unusual API call.

Module:
Cortex Cloud
Licensed by:
Cloud Runtime Security (CRS)
Data source:
AWS Audit Log, Azure Audit Log, Gcp Audit Log, Kubernetes Audit Logs
ATT&CK tactics: Execution (TA0002)
ATT&CK techniques: User Execution (T1204)
Detector tags: Kubernetes - API
Attacker's goals:

Abuse a service account token to gain access to the Kubernetes cluster.

Investigative actions:

Verify whether the service account should be executing this API. Investigate other operations that were performed by the service account within the cluster.

Test period:
N/A (single event)
Deduplication:
5 Days
4 variations:
  • A Kubernetes service account executed an API call on a first-seen resource Low (parent: Informational)
  • A Kubernetes service account executed an API call on an unusual sensitive resource Low (parent: Informational)
  • A Kubernetes service account executed an unusual modification API call Informational
  • A Kubernetes service account executed an API call on an unusual resource Informational