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
Creation of WerFault.exe/Wer.dll in Unusual Folder
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Creation of WerFault.exe/Wer.dll in Unusual Folder
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: Creation of WerFault.exe/Wer.dll in Unusual Folder
id: 28a452f3-786c-4fd8-b8f2-bddbe9d616d1
status: test
description: Detects the creation of a file named "WerFault.exe" or "wer.dll" in an uncommon folder, which could be a sign of WerFault DLL hijacking.
references:
- https://www.bleepingcomputer.com/news/security/hackers-are-now-hiding-malware-in-windows-event-logs/
author: frack113
date: 2022-05-09
modified: 2025-12-03
tags:
- attack.privilege-escalation
- attack.persistence
- attack.defense-evasion
- attack.t1574.001
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename|endswith:
- '\WerFault.exe'
- '\wer.dll'
filter_main_known_locations:
TargetFilename|startswith:
- 'C:\Windows\SoftwareDistribution\'
- 'C:\Windows\System32\'
- 'C:\Windows\SysWOW64\'
- 'C:\Windows\WinSxS\'
- 'C:\Windows\UUS\arm64\'
condition: selection and not 1 of filter_main_*
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/file/file_event/file_event_win_werfault_dll_hijacking.yml