(NG) Ensure 'Turn On Virtualization Based Security: Virtualization Based Protection of Code Integrity' is set to 'Enabled with UEFI lock'

AltaNivel 1Automatizadawindows

Descripción

This setting enables virtualization based protection of Kernel Mode Code Integrity. When this is enabled, kernel mode memory protections are enforced and the Code Integrity validation path is protected by the Virtualization Based Security feature. The recommended state for this setting is: Enabled with UEFI lock. Note: Virtualization Based Security requires a 64-bit version of Windows with Secure Boot enabled, which in turn requires that Windows was installed with a UEFI BIOS configuration, not a Legacy BIOS configuration. In addition, if running Windows on a virtual machine, the hardware-assi

Cómo se verifica

Método de auditoría: Registro de Windows

registry

$bad = @(); $v = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard' -Name 'HypervisorEnforcedCodeIntegrity' -ErrorAction SilentlyContinue).'HypervisorEnforcedCodeIntegrity'; if (-not ($null -ne $v -and @(1) -contains [int64]$v)) { $bad += 'HypervisorEnforcedCodeIntegrity=' + $v }; if ($bad.Count -eq 0) { 'compliant' } else { 'non-compliant: ' + ($bad -join ', ') }

Salida esperada: compliant

Cómo se corrige

Método de corrección: Comando de shell

shell

if (-not (Test-Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard')) { New-Item -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard' -Force | Out-Null }; New-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard' -Name 'HypervisorEnforcedCodeIntegrity' -Value 1 -PropertyType DWord -Force | Out-Null

Propiedades

Sistemas operativos: windows-10
Etiquetas: cis-convertedregistrywindows
Referencia: CIS Microsoft Windows 10 Enterprise Benchmark v4.0.0 - 18.9.5.3

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target windows