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
SCR File Write Event
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
SCR File Write Event
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: SCR File Write Event
id: c048f047-7e2a-4888-b302-55f509d4a91d
status: test
description: Detects the creation of screensaver files (.scr) outside of system folders. Attackers may execute an application as an ".SCR" file using "rundll32.exe desk.cpl,InstallScreenSaver" for example.
references:
- https://lolbas-project.github.io/lolbas/Libraries/Desk/
author: 'Christopher Peacock @securepeacock, SCYTHE @scythe_io'
date: 2022-04-27
modified: 2023-08-23
tags:
- attack.defense-evasion
- attack.t1218.011
logsource:
category: file_event
product: windows
detection:
selection:
TargetFilename|endswith: '.scr'
filter:
TargetFilename|contains:
- ':\$WINDOWS.~BT\NewOS\'
- ':\Windows\System32\'
- ':\Windows\SysWOW64\'
- ':\Windows\WinSxS\'
- ':\WUDownloadCache\' # Windows Update Download Cache
condition: selection and not filter
falsepositives:
- The installation of new screen savers by third party software
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/file/file_event/file_event_win_new_scr_file.yml