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CLI Versions
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Newest: 2.0.2
Translation Workspace
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Active Rule
PSScriptPolicyTest Creation By Uncommon Process
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
PSScriptPolicyTest Creation By Uncommon 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: PSScriptPolicyTest Creation By Uncommon Process
id: 1027d292-dd87-4a1a-8701-2abe04d7783c
status: test
description: Detects the creation of the "PSScriptPolicyTest" PowerShell script by an uncommon process. This file is usually generated by Microsoft Powershell to test against Applocker.
references:
- https://www.paloaltonetworks.com/blog/security-operations/stopping-powershell-without-powershell/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-06-01
modified: 2025-10-07
tags:
- attack.defense-evasion
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename|contains: '__PSScriptPolicyTest_'
filter_main_powershell:
Image:
- 'C:\Program Files\PowerShell\7-preview\pwsh.exe'
- 'C:\Program Files\PowerShell\7\pwsh.exe'
- 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell_ise.exe'
- 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
- 'C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell_ise.exe'
- 'C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe'
filter_main_pwsh_preview:
Image|contains:
- 'C:\Program Files\WindowsApps\Microsoft.PowerShellPreview'
- '\AppData\Local\Microsoft\WindowsApps\Microsoft.PowerShellPreview'
Image|endswith: '\pwsh.exe'
filter_main_generic:
Image:
- 'C:\Windows\System32\dsac.exe'
- 'C:\Windows\System32\sdiagnhost.exe'
- 'C:\Windows\System32\ServerManager.exe'
- 'C:\Windows\System32\wsmprovhost.exe'
- 'C:\Windows\SysWOW64\sdiagnhost.exe'
condition: selection and not 1 of filter_main_*
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/file/file_event/file_event_win_ps_script_policy_test_creation_by_uncommon_process.yml