Google Cloud Kubernetes Secrets Modified or Deleted

Description

Identifies when the Secrets are Modified or Deleted.

Query · sigma

selection:
  gcp.audit.method_name:
  - io.k8s.core.v*.secrets.create
  - io.k8s.core.v*.secrets.update
  - io.k8s.core.v*.secrets.patch
  - io.k8s.core.v*.secrets.delete
condition: selection

Known false positives

  • Secrets being modified or deleted may be performed by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
  • Secrets modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Raw source Google Cloud Kubernetes Secrets Modified or Deleted · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Google Cloud Kubernetes Secrets Modified or Deleted
id: 2f0bae2d-bf20-4465-be86-1311addebaa3
status: test
description: Identifies when the Secrets are Modified or Deleted.
references:
    - https://cloud.google.com/kubernetes-engine/docs/how-to/audit-logging
author: Austin Songer @austinsonger
date: 2021-08-09
modified: 2022-10-09
tags:
    - attack.credential-access
logsource:
    product: gcp
    service: gcp.audit
detection:
    selection:
        gcp.audit.method_name:
            - io.k8s.core.v*.secrets.create
            - io.k8s.core.v*.secrets.update
            - io.k8s.core.v*.secrets.patch
            - io.k8s.core.v*.secrets.delete
    condition: selection
falsepositives:
    - Secrets being modified or deleted may be performed by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
    - Secrets modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: medium

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