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 local pySigma backend, then reveal pipelines only when you actually need them.

Indexed Rules

3,779

Ready to search

Backends

3

Loaded from pysigma-node

pySigma Versions

2

Newest: 2.0.1

Translation Workspace

Shape the rule before it leaves Phoenix

Tune Translation

Active Rule

Registry Tampering Of Internal Tools Settings

Backends follow their supported pySigma version. Select 1.5.1 for Elasticsearch, Kusto, and other 1.x plugins.

Target Profile

Splunk

Splunk through pysigma-backend-splunk.

Format Mode

Default

Default pySigma output mode for this backend.

Conversion Output

Registry Tampering Of Internal Tools Settings

Using Splunk · Default · pySigma 2.0.1

Translation controls

Adjust the rule on the left, then regenerate when you want a fresh backend-native query.

BackendSplunkFormatDefaultVersion2.0.1
title: Registry Tampering Of Internal Tools Settings
id: ccc946a3-f65a-432a-bb6f-efc6acc1fd27
related:
    - id: e2482f8d-3443-4237-b906-cc145d87a076
      type: similar
status: experimental
description: Detects registry modifications that tamper with internal Windows tools settings, commonly used by malware to disable security features or system tools
references:
    - https://bazaar.abuse.ch/sample/7bde840c7e8c36dce4c3bac937bcf39f36a6f118001b406bfbbc25451ce44fb4/
    - https://blogs.vmware.com/security/2022/11/batloader-the-evasive-downloader-malware.html
    - https://www.mandiant.com/resources/unc2165-shifts-to-evade-sanctions
    - https://www.sentinelone.com/blog/cybervolk-returns-flawed-volklocker-brings-new-features-with-growing-pains/
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2026-10-18
tags:
    - attack.persistence
    - attack.defense-impairment
    - attack.t1112
logsource:
    category: process_creation
    product: windows
detection:
    selection_reg_img:
        - Image|endswith: '\reg.exe'
        - OriginalFileName: 'reg.exe'
    selection_reg_cli:
        CommandLine|contains: ' add '
    selection_currentversion_explorer_system_root:
        CommandLine|contains:
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer'
            - 'SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System'
            - 'SOFTWARE\Policies\Microsoft\Windows\Explorer'
            - 'SOFTWARE\Policies\Microsoft\Windows\System'
    selection_currentversion_explorer_system_key:
        CommandLine|contains:
            - 'ConsentPromptBehaviorAdmin'
            - 'DisableChangePassword'
            - 'DisableCMD'
            - 'DisableLockWorkstation'
            - 'DisableNotificationCenter'
            - 'DisableRegistryTools'
            - 'DisableTaskmgr'
            - 'HideSCAHealth'
            - 'HideSCANetwork'
            - 'HideSCAVolume'
            - 'InactivityTimeoutSecs'
            - 'NoClose'
            - 'NoControlPanel'
            - 'NoDesktop'
            - 'NoDispBackgroundPage'
            - 'NoDispCPL'
            - 'NoDrives'
            - 'NoFileMenu'
            - 'NoFind'
            - 'NoLogOff'
            - 'NoPropertiesMyDocuments'
            - 'NoRun'
            - 'NoSetTaskbar'
            - 'NoTrayContextMenu'
            - 'StartMenuLogOff'
            - 'shutdownwithoutlogon'
    condition: all of selection_*
falsepositives:
    - Legitimate use of reg.exe to change system settings
level: medium
simulation:
    - type: atomic-red-team
      name: Modify Registry of Current User Profile - cmd
      technique: T1112
      atomic_guid: 1324796b-d0f6-455a-b4ae-21ffee6aa6b9
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_reg_internal_tools_setting_tampering/info.yml

CLI command

Sigma CLI 4.0.0 · Install matching versions, then run from the Phoenix project directory.

python -m pip install 'sigma-cli==4.0.0' 'pysigma==2.0.1' 'pysigma-backend-splunk==3.0.0' sigma convert --without-pipeline -t splunk -f default 'sigma/rules/windows/process_creation/proc_creation_win_reg_internal_tools_setting_tampering.yml'