(NG) Ensure 'Turn On Virtualization Based Security: Select Platform Security Level' is set to 'Secure Boot' or higher

AltaNivel 1Automatizadawindows

Descripción

This policy setting specifies whether Virtualization Based Security (VBS) is enabled. VBS uses the Windows Hypervisor to provide support for security services. The recommended state for this setting is: Secure Boot or Secure Boot and DMA Protection. Note: VBS 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- assisted CPU virtualization feature (Intel VT-x or AMD-V) must be exposed by the host to the g

Cómo se verifica

Método de auditoría: Registro de Windows

registry

$bad = @(); $v = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeviceGuard' -Name 'RequirePlatformSecurityFeatures' -ErrorAction SilentlyContinue).'RequirePlatformSecurityFeatures'; if (-not ($null -ne $v -and @(1,3) -contains [int64]$v)) { $bad += 'RequirePlatformSecurityFeatures=' + $v }; if ($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 'RequirePlatformSecurityFeatures' -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 - 18.9.5.2

Verificar este host

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

shell

tmaegis scan --target windows