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

Gpscript Execution

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Gpscript Execution

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: Gpscript Execution
id: 1e59c230-6670-45bf-83b0-98903780607e
status: test
description: Detects the execution of the LOLBIN gpscript, which executes logon or startup scripts configured in Group Policy
references:
    - https://oddvar.moe/2018/04/27/gpscript-exe-another-lolbin-to-the-list/
    - https://lolbas-project.github.io/lolbas/Binaries/Gpscript/
author: frack113
date: 2022-05-16
modified: 2023-06-14
tags:
    - attack.defense-evasion
    - attack.t1218
logsource:
    product: windows
    category: process_creation
detection:
    selection_img:
        - Image|endswith: '\gpscript.exe'
        - OriginalFileName: 'GPSCRIPT.EXE'
    selection_cli:
        CommandLine|contains:
            - ' /logon'
            - ' /startup'
    filter_main_svchost:
        ParentCommandLine: 'C:\windows\system32\svchost.exe -k netsvcs -p -s gpsvc'
    condition: all of selection_* and not 1 of filter_main_*
falsepositives:
    - Legitimate uses of logon scripts distributed via group policy
level: medium

CLI command

Copy the exact command to reproduce this translation locally.

sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_lolbin_gpscript.yml