Phoenix Studio
Convert indexed Sigma rules into analyst-ready detections.
This studio is built around Phoenix's own rule corpus, not a blank editor. Search by title or rule id, choose a live sigma-cli backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Active Directory Certificate Services Denied Certificate Enrollment Request
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Active Directory Certificate Services Denied Certificate Enrollment Request
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
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-evasion
- attack.t1553.004
logsource:
product: windows
service: system
detection:
selection:
Provider_Name: 'Microsoft-Windows-CertificationAuthority'
EventID: 53
condition: selection
falsepositives:
- Unknown
level: low
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/system/microsoft_windows_certification_authority/win_system_adcs_enrollment_request_denied.yml