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
Potential In-Memory Execution Using Reflection.Assembly
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential In-Memory Execution Using Reflection.Assembly
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: Potential In-Memory Execution Using Reflection.Assembly
id: ddcd88cb-7f62-4ce5-86f9-1704190feb0a
status: test
description: Detects usage of "Reflection.Assembly" load functions to dynamically load assemblies in memory
references:
- https://speakerdeck.com/heirhabarov/hunting-for-powershell-abuse?slide=50
author: frack113
date: 2022-12-25
tags:
- attack.defense-evasion
- attack.t1620
logsource:
product: windows
category: ps_script
definition: Script Block Logging must be enable
detection:
selection:
ScriptBlockText|contains: '[Reflection.Assembly]::load'
condition: selection
falsepositives:
- Legitimate use of the library
level: medium
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_dotnet_assembly_from_file.yml