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
PowerShell Web Access Installation - PsScript
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
PowerShell Web Access Installation - PsScript
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: PowerShell Web Access Installation - PsScript
id: 5f9c7f1a-7c21-4c39-b2f3-8d8006e0e51f
status: test
description: Detects the installation and configuration of PowerShell Web Access, which could be used for remote access and potential abuse
references:
- https://docs.microsoft.com/en-us/powershell/module/powershellwebaccess/install-pswawebapplication
- https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-241a
- https://gist.github.com/MHaggis/7e67b659af9148fa593cf2402edebb41
author: Michael Haag
date: 2024-09-03
tags:
- attack.persistence
- attack.execution
- attack.t1059.001
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection_install:
ScriptBlockText|contains: 'Install-WindowsFeature WindowsPowerShellWebAccess'
selection_config:
ScriptBlockText|contains: 'Install-PswaWebApplication'
selection_auth:
ScriptBlockText|contains|all:
- 'Add-PswaAuthorizationRule'
- '-UserName *'
- '-ComputerName *'
condition: 1 of selection_*
falsepositives:
- Legitimate PowerShell Web Access installations by administrators
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/powershell/powershell_script/posh_ps_powershell_web_access_installation.yml