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 local pySigma backend, then reveal pipelines only when you actually need them.
Indexed Rules
3,731
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Backends
17
Loaded from pysigma-node
pySigma Versions
10
Newest: 1.3.3
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Invoke-Obfuscation STDIN+ Launcher - Powershell
Target Profile
Splunk
Splunk through pysigma-backend-splunk.
Format Mode
Default
Default pySigma output mode for this backend.
Conversion Output
Invoke-Obfuscation STDIN+ Launcher - Powershell
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Invoke-Obfuscation STDIN+ Launcher - Powershell
id: 779c8c12-0eb1-11eb-adc1-0242ac120002
status: test
description: Detects Obfuscated use of stdin to execute PowerShell
references:
- https://github.com/SigmaHQ/sigma/issues/1009 # (Task 25)
author: Jonathan Cheong, oscd.community
date: 2020-10-15
modified: 2024-04-05
tags:
- attack.defense-evasion
- attack.t1027
- attack.execution
- attack.t1059.001
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection_4104:
ScriptBlockText|re: 'cmd.{0,5}(?:/c|/r).+powershell.+(?:\$?\{?input\}?|noexit).+"'
condition: selection_4104
falsepositives:
- Unknown
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_invoke_obfuscation_stdin.yml