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
Custom File Open Handler Executes PowerShell
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Custom File Open Handler Executes PowerShell
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: Custom File Open Handler Executes PowerShell
id: 7530b96f-ad8e-431d-a04d-ac85cc461fdc
status: test
description: Detects the abuse of custom file open handler, executing powershell
references:
- https://news.sophos.com/en-us/2022/02/01/solarmarker-campaign-used-novel-registry-changes-to-establish-persistence/?cmp=30728
author: CD_R0M_
date: 2022-06-11
modified: 2023-08-17
tags:
- attack.defense-evasion
- attack.t1202
logsource:
category: registry_set
product: windows
detection:
selection:
TargetObject|contains: 'shell\open\command\'
Details|contains|all:
- 'powershell'
- '-command'
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/registry/registry_set/registry_set_custom_file_open_handler_powershell_execution.yml