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 |
Telemetry coverage
Rule body
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
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Provider_Name | eq |
| field:"Provider_Name" kind:eq value:"Microsoft-Windows-CertificationAuthority" |