GCP Break-glass Container Workload Deployed

calendar Oct 23, 2025 · attack.privilege-escalation attack.defense-evasion attack.t1548  ·
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Detects the deployment of workloads that are deployed by using the break-glass flag to override Binary Authorization controls.

Sigma rule (View on GitHub)

 1title: GCP Break-glass Container Workload Deployed
 2id: 76737c19-66ee-4c07-b65a-a03301d1573d
 3status: test
 4description: |
 5        Detects the deployment of workloads that are deployed by using the break-glass flag to override Binary Authorization controls.
 6references:
 7    - https://cloud.google.com/binary-authorization
 8author: Bryan Lim
 9date: 2024-01-12
10tags:
11    - attack.privilege-escalation
12    - attack.defense-evasion
13    - attack.t1548
14logsource:
15    product: gcp
16    service: gcp.audit
17detection:
18    selection:
19        data.protoPayload.resource.type: 'k8s_cluster'
20        data.protoPayload.logName:
21            - 'cloudaudit.googleapis.com/activity'
22            - 'cloudaudit.googleapis.com%2Factivity'
23        data.protoPayload.methodName: 'io.k8s.core.v1.pods.create'
24    keywords:
25        - 'image-policy.k8s.io/break-glass'
26    condition: selection and keywords
27falsepositives:
28    - Unknown
29level: medium

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