Elastic medium stable kql

GKE Container Created with Excessive Linux Capabilities

Detects GKE pod creation with dangerous Linux capabilities that are commonly abused in container escape techniques. Standalone pods are included; controller-owned ReplicaSet, DaemonSet, and StatefulSet workloads are excluded.

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Detection Logic

data_stream.dataset:gcp.audit and event.action:"io.k8s.core.v1.pods.create" and event.outcome:success and
gcp.audit.request.spec.containers.securityContext.capabilities.add:(
  "BPF" or "DAC_READ_SEARCH" or "NET_ADMIN" or "SYS_ADMIN" or "SYS_BOOT" or "SYS_MODULE" or "SYS_PTRACE" or "SYS_RAWIO" or
  "SYSLOG"
) and not gcp.audit.request.metadata.ownerReferences.kind:("ReplicaSet" or "DaemonSet" or "StatefulSet")

False Positives

⚠ Some platform or security images legitimately require elevated capabilities. Add image or namespace exceptions after review.

Field Validations

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