Identifies when events are deleted in Azure Kubernetes. Kubernetes events are objects that log any state changes. Example events are a container creation, an image pull, or a pod scheduling on a node. An adversary may delete events in Azure Kubernetes in an attempt to evade detection.
Rule type: query
Risk score: 47
Runs every: 5 minutes
Maximum alerts per execution: 100
- Continuous Monitoring
- Log Auditing
Version: 2 (version history)
Added (Elastic Stack release): 7.16.0
Last modified (Elastic Stack release): 8.0.0
Rule authors: Austin Songer
Rule license: Elastic License v2
Events deletions may be done by a system or network administrator. Verify whether the username, hostname, and/or resource name should be making changes in your environment. Events deletions from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
## Config The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
event.dataset:azure.activitylogs and azure.activitylogs.operation_name :"MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/EVENTS.K8S.IO/EVENTS/DELETE" and event.outcome:(Success or success)
Framework: MITRE ATT&CKTM
- Version 2 (8.0.0 release)
- Formatting only