Kubernetes Events Deleted — Sigma Rule

Rule metadata and linked tags

Author: Leo Tsaousis (@laripping). Source status: test; severity: medium. Source dates: 2024-03-26 / not supplied.

{
  "category": "application",
  "product": "kubernetes",
  "service": "audit"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 1b0927f69907a82eae0356d0d1f269abbf636cfa1d5e6c1334ea926c19e4fe47

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Kubernetes Events Deleted
id: 3132570d-cab2-4561-9ea6-1743644b2290
related:
    - id: 225d8b09-e714-479c-a0e4-55e6f29adf35
      type: derived
status: test
description: |
    Detects when events are deleted in Kubernetes.
    An adversary may delete Kubernetes events in an attempt to evade detection.
references:
    - https://microsoft.github.io/Threat-Matrix-for-Kubernetes/techniques/Delete%20K8S%20events/
author: Leo Tsaousis (@laripping)
date: 2024-03-26
tags:
    - attack.stealth
    - attack.t1070
logsource:
    category: application
    product: kubernetes
    service: audit
detection:
    selection:
        verb: 'delete'
        objectRef.resource: 'events'
    condition: selection
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://microsoft.github.io/Threat-Matrix-for-Kubernetes/techniques/Delete%20K8S%20events/