Sigma rule: Active Directory Certificate Services Denied Certificate Enrollment Request
A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b3ab302ca24c, updated 2024-03-07T00:00:00.000Z.
Rule
- Title
- Active Directory Certificate Services Denied Certificate Enrollment Request
- Status
- test
- Level
- low
- Author
- @SerkinValery
- Date
- 2024-03-07
- File
- rules/windows/builtin/system/microsoft_windows_certification_authority/win_system_adcs_enrollment_request_denied.yml
- Commit
- ccbb0369507f796db0b0ae6854c8a2be471b9d84
Detects denied requests by Active Directory Certificate Services.
Example of these requests denial include issues with permissions on the certificate template or invalid signatures.
Log source
- product
- windows
- service
- system
Detection
selection:
Provider_Name: 'Microsoft-Windows-CertificationAuthority'
EventID: 53
condition: selectionFalse positives (as the rule lists them)
- Unknown
Tags
- attack.credential-access
- attack.defense-impairment
- attack.t1553.004
MITRE ATT&CK ids this rule names
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/
Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/system/microsoft_windows_certification_authority/win_system_adcs_enrollment_request_denied.yml
Sources and licences
SigmaHQ
"Active Directory Certificate Services Denied Certificate Enrollment Request" by @SerkinValery (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/system/microsoft_windows_certification_authority/win_system_adcs_enrollment_request_denied.yml.
Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License
Cite this page
Dragons Eye Ransomware Tracker, "Sigma rule: Active Directory Certificate Services Denied Certificate Enrollment Request",
entity page, dataset version ref-b3ab302ca24c, updated 2024-03-07T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/994bfd6d-0a2e-481e-a861-934069fcf5f5 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 994bfd6d-0a2e-481e-a861-934069fcf5f5, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.