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 Use Rundll32 - PowerShell Module
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Invoke-Obfuscation Via Use Rundll32 - 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 Use Rundll32 - PowerShell Module
id: 88a22f69-62f9-4b8a-aa00-6b0212f2f05a
related:
- id: a5a30a6e-75ca-4233-8b8c-42e0f2037d3b
type: derived
status: test
description: Detects Obfuscated Powershell via use Rundll32 in Scripts
references:
- https://github.com/SigmaHQ/sigma/issues/1009
author: Nikita Nazarov, oscd.community
date: 2019-10-08
modified: 2022-11-29
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|contains|all:
- '&&'
- 'rundll32'
- 'shell32.dll'
- 'shellexec_rundll'
Payload|contains:
- 'value'
- 'invoke'
- 'comspec'
- 'iex'
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_use_rundll32.yml