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