Active Directory Certificate Services Denied Certificate Enrollment Request — Sigma Rule

Rule metadata and linked tags

Author: @SerkinValery. Source status: test; severity: low. Source dates: 2024-03-07 / not supplied.

{
  "product": "windows",
  "service": "system"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: e4454e983557c2bfde27d5d720f6d097a99e9a08070667208d04905dc251d6d5

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: Active Directory Certificate Services Denied Certificate Enrollment Request
id: 994bfd6d-0a2e-481e-a861-934069fcf5f5
status: test
description: |
    Detects denied requests by Active Directory Certificate Services.
    Example of these requests denial include issues with permissions on the certificate template or invalid signatures.
references:
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd299871(v=ws.10)
    - https://www.gradenegger.eu/en/details-of-the-event-with-id-53-of-the-source-microsoft-windows-certificationauthority/
author: '@SerkinValery'
date: 2024-03-07
tags:
    - attack.credential-access
    - attack.defense-impairment
    - attack.t1553.004
logsource:
    product: windows
    service: system
detection:
    selection:
        Provider_Name: 'Microsoft-Windows-CertificationAuthority'
        EventID: 53
    condition: selection
falsepositives:
    - Unknown
level: low

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd299871(v=ws.10)
• https://www.gradenegger.eu/en/details-of-the-event-with-id-53-of-the-source-microsoft-windows-certificationauthority/