Kubernetes Secrets Enumeration — Sigma Rule

Rule metadata and linked tags

Author: Leo Tsaousis (@laripping). Source status: test; severity: low. 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: d17df1b9bf165761b2abc9fc690b46e2037eef663c59d719ed9739e3771d1688

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 Secrets Enumeration
id: eeb3e9e1-b685-44e4-9232-6bb701f925b5
related:
    - id: 7ee0b4aa-d8d4-4088-b661-20efdf41a04c
      type: derived
status: test
description: Detects enumeration of Kubernetes secrets.
references:
    - https://microsoft.github.io/Threat-Matrix-for-Kubernetes/techniques/List%20K8S%20secrets/
author: Leo Tsaousis (@laripping)
date: 2024-03-26
tags:
    - attack.t1552.007
    - attack.credential-access
logsource:
    category: application
    product: kubernetes
    service: audit
detection:
    selection:
        verb: 'list'
        objectRef.resource: 'secrets'
    condition: selection
falsepositives:
    - The Kubernetes dashboard occasionally accesses the kubernetes-dashboard-key-holder secret
level: low

Original YAML and metadata in JSON

False positives

• The Kubernetes dashboard occasionally accesses the kubernetes-dashboard-key-holder secret

Source references

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