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.

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Indexed Rules

3,707

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Backends

Live from sigconverter.io

CLI Versions

Newest: 2.0.2

Translation Workspace

Shape the rule before it leaves Phoenix

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Active Rule

Invoke-Obfuscation Via Stdin - PowerShell Module

sigma-cli version

Backend

Format

Target Profile

Splunk

Splunk SPL & tstats data model queries

Format Mode

Default

Plain SPL queries

Conversion Output

Invoke-Obfuscation Via Stdin - PowerShell Module

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 - PowerShell Module
id: c72aca44-8d52-45ad-8f81-f96c4d3c755e
related:
    - id: 86b896ba-ffa1-4fea-83e3-ee28a4c915c7
      type: derived
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: 2024-04-05
tags:
    - attack.defense-evasion
    - attack.t1027
    - attack.execution
    - attack.t1059.001
logsource:
    product: windows
    category: ps_module
    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
detection:
    selection_4103:
        Payload|re: '(?i)(set).*&&\s?set.*(environment|invoke|\$?\{?input).*&&.*"'
    condition: selection_4103
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_module/posh_pm_invoke_obfuscation_via_stdin.yml