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
Suspicious PowerShell WindowStyle Option
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious PowerShell WindowStyle Option
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: Suspicious PowerShell WindowStyle Option
id: 313fbb0a-a341-4682-848d-6d6f8c4fab7c
status: test
description: |
Adversaries may use hidden windows to conceal malicious activity from the plain sight of users.
In some cases, windows that would typically be displayed when an application carries out an operation can be hidden
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1564.003/T1564.003.md
author: frack113, Tim Shelton (fp AWS)
date: 2021-10-20
modified: 2023-01-03
tags:
- attack.defense-evasion
- attack.t1564.003
logsource:
product: windows
category: ps_script
definition: 'Requirements: Script Block Logging must be enabled'
detection:
selection:
ScriptBlockText|contains|all:
- 'powershell'
- 'WindowStyle'
- 'Hidden'
filter:
ScriptBlockText|contains|all:
- ':\Program Files\Amazon\WorkSpacesConfig\Scripts\'
- '$PSScriptRoot\Module\WorkspaceScriptModule\WorkspaceScriptModule'
condition: selection and not filter
falsepositives:
- Unknown
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_susp_windowstyle.yml