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.

Browse Rules Explore Ecosystem

Indexed Rules

3,707

Ready to search

Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

ADCS Certificate Template Configuration Vulnerability with Risky EKU

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

ADCS Certificate Template Configuration Vulnerability with Risky EKU

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: ADCS Certificate Template Configuration Vulnerability with Risky EKU
id: bfbd3291-de87-4b7c-88a2-d6a5deb28668
status: test
description: Detects certificate creation with template allowing risk permission subject and risky EKU
references:
    - https://www.specterops.io/assets/resources/Certified_Pre-Owned.pdf
author: Orlinum , BlueDefenZer
date: 2021-11-17
modified: 2022-12-25
tags:
    - attack.privilege-escalation
    - attack.credential-access
logsource:
    product: windows
    service: security
    definition: Certificate services loaded a template would trigger event ID 4898 and certificate Services template was updated would trigger event ID 4899. A risk permission seems to be coming if template contain specific flag with risky EKU.
detection:
    selection10:
        EventID: 4898
        TemplateContent|contains:
            - '1.3.6.1.5.5.7.3.2'
            - '1.3.6.1.5.2.3.4'
            - '1.3.6.1.4.1.311.20.2.2'
            - '2.5.29.37.0'
    selection11:
        TemplateContent|contains: 'CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT'

    selection20:
        EventID: 4899
        NewTemplateContent|contains:
            - '1.3.6.1.5.5.7.3.2'
            - '1.3.6.1.5.2.3.4'
            - '1.3.6.1.4.1.311.20.2.2'
            - '2.5.29.37.0'
    selection21:
        NewTemplateContent|contains: 'CT_FLAG_ENROLLEE_SUPPLIES_SUBJECT'

    condition: (selection10 and selection11) or (selection20 and selection21)
falsepositives:
    - Administrator activity
    - Proxy SSL certificate with subject modification
    - Smart card enrollement
level: high

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/security/win_security_adcs_certificate_template_configuration_vulnerability_eku.yml