A Kubernetes user was assigned cluster administrator permissions

문서 > Datadog 보안 > OOTB Rules > A Kubernetes user was assigned cluster administrator permissions

Classification:

attack

Tactic:

TA0004-privilege-escalation

Technique:

T1098-account-manipulation

Set up the kubernetes integration.

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Goal

Identify when a Kubernetes user is assigned cluster-level administrative permissions.

Strategy

This rule monitors when a ClusterRoleBinding object is created to bind a Kubernetes user to the cluster-admin default cluster-wide role. This effectively grants the referenced user with full administrator permissions over all the Kubernetes cluster.

Triage and response

Determine if the Kubernetes user referenced in @requestObject.subjects is expected to have been granted administrator permissions on the cluster
Determine if the actor (@usr.id) is authorized to assign administrator permissions
Use the Cloud SIEM User Investigation dashboard to review any user actions that may have occurred after the potentially malicious action.

Changelog

20 September 2022 - Updated tags.
7 May 2024 - Updated detection query to include logs from Azure Kubernetes Service.
15 July 2024 - Updated detection query to include logs from Google Kubernetes Engine.