Detectionmediumexperimental

Registry Tampering Of Internal Tools Settings

Detects registry modifications that tamper with internal Windows tools settings, commonly used by malware to disable security features or system tools

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Swachchhanda Shrawan Poudel (Nextron Systems)Created Sun Oct 18ccc946a3-f65a-432a-bb6f-efc6acc1fd27windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

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_*