Suspicious Azure Kubernetes Secret or Config Object Access (via activitylogs)

title: Suspicious Azure Kubernetes Secret or Config Object Access (via activitylogs)
id: 42a30a25-b944-5fa7-9355-d7547a802026
status: stable
description: This rule detects when a Kubernetes account access a sensitive objects such as configmaps or secrets.
references:
    - https://attack.mitre.org/techniques/T1489/
    - https://attack.mitre.org/techniques/T1496/
    - https://attack.mitre.org/techniques/T1485/
    - 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: Huntrule Team
date: 2026-04-13
tags:
    - attack.impact
    - attack.t1485
    - attack.t1496
    - attack.t1489
logsource:
    product: azure
    service: activitylogs
detection:
    selection:
        operationName:
            - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/CONFIGMAPS/WRITE
            - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/CONFIGMAPS/DELETE
            - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/SECRETS/WRITE
            - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/SECRETS/DELETE
    condition: selection
falsepositives:
    - Unknown
level: medium