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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
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Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
WmiPrvSE Spawned A Process
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
WmiPrvSE Spawned A Process
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: WmiPrvSE Spawned A Process
id: d21374ff-f574-44a7-9998-4a8c8bf33d7d
related:
- id: 8a582fe2-0882-4b89-a82a-da6b2dc32937
type: similar
- id: 692f0bec-83ba-4d04-af7e-e884a96059b6
type: similar
status: stable
description: Detects WmiPrvSE spawning a process
references:
- https://threathunterplaybook.com/hunts/windows/190815-RemoteServiceInstallation/notebook.html
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019-08-15
modified: 2023-03-23
tags:
- attack.execution
- attack.t1047
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\WmiPrvSe.exe'
filter_logonid:
LogonId:
- '0x3e7' # LUID 999 for SYSTEM
- 'null' # too many false positives
filter_system_user:
User|contains: # covers many language settings
- 'AUTHORI'
- 'AUTORI'
filter_wmiprvse:
Image|endswith: '\WmiPrvSE.exe'
filter_werfault:
Image|endswith: '\WerFault.exe'
filter_null: # some backends need the null value in a separate expression
LogonId: null
condition: selection and not 1 of filter_*
falsepositives:
- False positives are expected (e.g. in environments where WinRM is used legitimately)
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_wmiprvse_spawning_process.yml