Convert indexed Sigma rules into analyst-ready detections.
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Newest: 2.0.1
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Uncommon Child Process Spawned From XBootMgrSleep.EXE
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Splunk
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Default
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Uncommon Child Process Spawned From XBootMgrSleep.EXE
Using Splunk · Default · pySigma 2.0.1
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title: Uncommon Child Process Spawned From XBootMgrSleep.EXE
id: 74697c29-1b30-4e1f-a517-33574061821d
status: experimental
description: |
Detects a process other than XBootMgr.exe spawned by XBootMgrSleep.exe.
XBootMgrSleep.exe is a Microsoft-signed Windows Performance Toolkit binary that can execute an arbitrary executable after a delay.
references:
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/XBootMgrSleep/
- https://learn.microsoft.com/en-us/previous-versions/windows/desktop/xperf/reference
author: Diablo Research
date: 2026-09-27
tags:
- attack.stealth
- attack.t1202
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\xbootmgrsleep.exe'
filter_main_xbootmgr:
Image: 'C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\xbootmgr.exe'
condition: selection and not 1 of filter_main_*
falsepositives:
- Custom Windows Performance Toolkit automation that intentionally launches another executable through XBootMgrSleep.exe
level: medium
CLI command
Sigma CLI 4.0.0 · Install matching versions, then run from the Phoenix project directory.
python -m pip install 'sigma-cli==4.0.0' 'pysigma==2.0.1' 'pysigma-backend-splunk==3.0.0'
sigma convert --without-pipeline -t splunk -f default 'sigma/rules/windows/process_creation/proc_creation_win_xbootmgrsleep_uncommon_child_process.yml'