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CLI Versions
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Newest: 2.0.2
Translation Workspace
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Active Rule
Suspicious Sysmon as Execution Parent
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Sysmon as Execution Parent
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 Sysmon as Execution Parent
id: 6d1058a4-407e-4f3a-a144-1968c11dc5c3
status: test
description: Detects suspicious process executions in which Sysmon itself is the parent of a process, which could be a sign of exploitation (e.g. CVE-2022-41120)
references:
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41120
- https://twitter.com/filip_dragovic/status/1590052248260055041
- https://twitter.com/filip_dragovic/status/1590104354727436290
author: Florian Roth (Nextron Systems), Tim Shelton (fp werfault)
date: 2022-11-10
modified: 2025-07-04
tags:
- attack.privilege-escalation
- attack.t1068
- cve.2022-41120
- detection.emerging-threats
logsource:
product: windows
category: process_creation
detection:
selection:
ParentImage|endswith:
- '\Sysmon.exe'
- '\Sysmon64.exe'
filter_main_temp_sysmon:
# C:\Users\ADMINI~1\AppData\Local\Temp\2\Sysmon.exe
Image|startswith: 'C:\Users\'
Image|contains: '\AppData\Local\Temp\'
Image|endswith:
- '\Sysmon.exe'
- '\Sysmon64.exe'
filter_main_generic:
Image|contains:
- ':\Windows\Sysmon.exe'
- ':\Windows\Sysmon64.exe'
- ':\Windows\System32\conhost.exe'
- ':\Windows\System32\WerFault.exe' # When Sysmon crashes
- ':\Windows\System32\WerFaultSecure.exe' # When Sysmon crashes
- ':\Windows\System32\wevtutil.exe'
- ':\Windows\SysWOW64\wevtutil.exe'
filter_main_null:
Image: null
condition: selection and not 1 of filter_main_*
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2022/Exploits/CVE-2022-41120/proc_creation_win_exploit_cve_2022_41120_sysmon_eop.yml