rolebinding/clusterrolebinding being modified and 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.

azure
sigma

Techniques

Sample rules

Azure Kubernetes RoleBinding/ClusterRoleBinding Modified and Deleted

source: sigma
technicques:

Description

Detects the creation or patching of potential malicious RoleBinding/ClusterRoleBinding.

Detection logic

condition: selection
selection:
  operationName:
  - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/RBAC.AUTHORIZATION.K8S.IO/CLUSTERROLEBINDINGS/WRITE
  - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/RBAC.AUTHORIZATION.K8S.IO/CLUSTERROLEBINDINGS/DELETE
  - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/RBAC.AUTHORIZATION.K8S.IO/ROLEBINDINGS/WRITE
  - MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/RBAC.AUTHORIZATION.K8S.IO/ROLEBINDINGS/DELETE