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
Registry Modification to Hidden File Extension
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Registry Modification to Hidden File Extension
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: Registry Modification to Hidden File Extension
id: 5df86130-4e95-4a54-90f7-26541b40aec2
status: test
description: Hides the file extension through modification of the registry
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1112/T1112.md#atomic-test-1---modify-registry-of-current-user-profile---cmd
- https://unit42.paloaltonetworks.com/ransomware-families/
- https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?name=TrojanSpy%3aMSIL%2fHakey.A
author: frack113
date: 2022-01-22
modified: 2023-08-17
tags:
- attack.persistence
- attack.t1137
logsource:
category: registry_set
product: windows
detection:
selection_HideFileExt:
TargetObject|endswith: '\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt'
Details: 'DWORD (0x00000001)'
selection_Hidden:
TargetObject|endswith: '\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Hidden'
Details: 'DWORD (0x00000002)'
condition: 1 of selection_*
falsepositives:
- Administrative scripts
level: medium
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_hidden_extention.yml