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.

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Indexed Rules

3,707

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Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

AppLocker Prevented Application or Script from Running

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

AppLocker Prevented Application or Script from Running

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: AppLocker Prevented Application or Script from Running
id: 401e5d00-b944-11ea-8f9a-00163ecd60ae
status: test
description: |
    Detects when AppLocker prevents the execution of an Application, DLL, Script, MSI, or Packaged-App from running.
references:
    - https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/applocker/what-is-applocker
    - https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/applocker/using-event-viewer-with-applocker
    - https://nxlog.co/documentation/nxlog-user-guide/applocker.html
author: Pushkarev Dmitry
date: 2020-06-28
modified: 2025-12-03
tags:
    - attack.execution
    - attack.t1204.002
    - attack.t1059.001
    - attack.t1059.003
    - attack.t1059.005
    - attack.t1059.006
    - attack.t1059.007
logsource:
    product: windows
    service: applocker
detection:
    selection:
        EventID:
            - 8004 # EXE and DLL
            - 8007 # MSI and Script
            - 8022 # Packaged app execution
            - 8025 # Packaged app deployment
    condition: selection
falsepositives:
    - Unlikely, since this event notifies about blocked application execution. Tune your applocker rules to avoid blocking legitimate applications.
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/builtin/applocker/win_applocker_application_was_prevented_from_running.yml