Azure Kubernetes Cluster Created or Deleted


Description

Detects when a Azure Kubernetes Cluster is created or deleted.

Query · sigma

selection:
  operationName:
  - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/WRITE
  - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/DELETE
condition: selection

Known false positives

  • Kubernetes cluster being created 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.
  • Kubernetes cluster created or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Raw source Azure Kubernetes Cluster Created or Deleted · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Azure Kubernetes Cluster Created or Deleted
id: 9541f321-7cba-4b43-80fc-fbd1fb922808
status: test
description: Detects when a Azure Kubernetes Cluster is created or deleted.
references:
    - https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations#microsoftkubernetes
    - https://www.microsoft.com/security/blog/2021/03/23/secure-containerized-environments-with-updated-threat-matrix-for-kubernetes/
    - https://www.microsoft.com/security/blog/2020/04/02/attack-matrix-kubernetes/
    - https://medium.com/mitre-engenuity/att-ck-for-containers-now-available-4c2359654bf1
author: Austin Songer @austinsonger
date: 2021-08-07
modified: 2022-08-23
tags:
    - attack.impact
    - attack.t1485
    - attack.t1496
    - attack.t1489
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName:
            - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/WRITE
            - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/DELETE
    condition: selection
falsepositives:
    - Kubernetes cluster being created 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.
    - Kubernetes cluster created or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
level: low

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