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
Rundll32 InstallScreenSaver Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Rundll32 InstallScreenSaver 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: Rundll32 InstallScreenSaver Execution
id: 15bd98ea-55f4-4d37-b09a-e7caa0fa2221
status: test
description: An attacker may execute an application as a SCR File using rundll32.exe desk.cpl,InstallScreenSaver
references:
- https://lolbas-project.github.io/lolbas/Libraries/Desk/
- https://github.com/redcanaryco/atomic-red-team/blob/0f229c0e42bfe7ca736a14023836d65baa941ed2/atomics/T1218.011/T1218.011.md#atomic-test-13---rundll32-with-deskcpl
author: 'Christopher Peacock @securepeacock, SCYTHE @scythe_io, TactiKoolSec'
date: 2022-04-28
modified: 2023-02-09
tags:
- attack.t1218.011
- attack.defense-evasion
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\rundll32.exe'
- OriginalFileName: 'RUNDLL32.EXE'
selection_cli:
CommandLine|contains: 'InstallScreenSaver'
condition: all of selection_*
falsepositives:
- Legitimate installation of a new screensaver
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_rundll32_installscreensaver.yml