Detection rules › Sigma
Active Directory Certificate Services Denied Certificate Enrollment Request
Detects denied requests by Active Directory Certificate Services. Example of these requests denial include issues with permissions on the certificate template or invalid signatures.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Impairment | T1553.004 Subvert Trust Controls: Install Root Certificate |
Event coverage
| Provider | Event | Title |
|---|---|---|
| CertificationAuthority | Event ID 53 | Active Directory Certificate Services denied request RequestId because |
Rule body yaml
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Provider_Name: 'Microsoft-Windows-CertificationAuthority'
EventID: 53
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
Provider_Name | eq |
|