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
Suspicious Powercfg Execution To Change Lock Screen Timeout
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Powercfg Execution To Change Lock Screen Timeout
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: Suspicious Powercfg Execution To Change Lock Screen Timeout
id: f8d6a15e-4bc8-4c27-8e5d-2b10f0b73e5b
status: test
description: Detects suspicious execution of 'Powercfg.exe' to change lock screen timeout
references:
- https://blogs.vmware.com/security/2022/11/batloader-the-evasive-downloader-malware.html
- https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/powercfg-command-line-options
author: frack113
date: 2022-11-18
tags:
- attack.defense-evasion
logsource:
category: process_creation
product: windows
detection:
selection_power:
- Image|endswith: '\powercfg.exe'
- OriginalFileName: 'PowerCfg.exe'
selection_standby:
# powercfg.exe /SETACVALUEINDEX SCHEME_CURRENT SUB_VIDEO VIDEOCONLOCK
- CommandLine|contains|all:
- '/setacvalueindex '
- 'SCHEME_CURRENT'
- 'SUB_VIDEO'
- 'VIDEOCONLOCK'
# powercfg -change -standby-timeout-dc 3000
# powercfg -change -standby-timeout-ac 3000
- CommandLine|contains|all:
- '-change '
- '-standby-timeout-'
condition: all of selection_*
falsepositives:
- Unknown
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_powercfg_execution.yml