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
Invoke-Obfuscation Via Stdin
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Invoke-Obfuscation Via Stdin
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: Invoke-Obfuscation Via Stdin
id: 9c14c9fa-1a63-4a64-8e57-d19280559490
status: test
description: Detects Obfuscated Powershell via Stdin in Scripts
references:
- https://github.com/SigmaHQ/sigma/issues/1009 # (Task28)
author: Nikita Nazarov, oscd.community
date: 2020-10-12
modified: 2024-04-16
tags:
- attack.defense-evasion
- attack.t1027
- attack.execution
- attack.t1059.001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|re: '(?i)(set).*&&\s?set.*(environment|invoke|\$\{?input).*&&.*"'
condition: selection
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/process_creation/proc_creation_win_hktl_invoke_obfuscation_via_stdin.yml