Ensure 'ASR: Block credential stealing from the Windows local security authority subsystem' is set to 'Block'

СредњаНиво 1Аутоматскаintune-defender

Опис

This rule helps prevent credential stealing by locking down Local Security Authority Subsystem Service (LSASS). The recommended state for this setting is: Block. Audit: reads the Intune PolicyManager ASR rules value (via the WinningProvider GUID) and requires the rule entry 9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2=1 (Block).

Како се проверава

Метод провере: Windows регистар

registry

$p = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\current\device\Defender' -Name 'AttackSurfaceReductionRules_WinningProvider' -ErrorAction SilentlyContinue).'AttackSurfaceReductionRules_WinningProvider'; if (-not $p) { 'non-compliant: no ASR WinningProvider' } else { $p = ([string]$p).Trim('{}'); $k = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\Providers\' + $p + '\default\Device\Defender'; if (-not (Test-Path $k)) { $k = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\Providers\{' + $p + '}\default\Device\Defender' }; $v = (Get-ItemProperty -Path $k -Name 'AttackSurfaceReductionRules' -ErrorAction SilentlyContinue).'AttackSurfaceReductionRules'; $have = @(([string]$v) -split '\|' | ForEach-Object { $_.Trim().ToLower() }); $want = @('9e6c4e1f-7d60-472f-ba1a-a39ef669e4b2=1'); if (@($want | Where-Object { $have -contains $_ }).Count -gt 0) { 'compliant' } else { 'non-compliant: ' + $v } }

Очекивани излаз: compliant

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Block. Defender\Block credential stealing from the Windows local security authority subsystem

Својства

Оперативни системи: Било који
Ознаке: intune-defenderintuneregistry
Референца: CIS Microsoft Intune for Microsoft Defender Antivirus Benchmark v1.0.0 - 2.13 Ensure 'ASR: Block credential stealing from the Windows local security authority subsystem' is set to 'Block'

Проверите овај рачунар

Покрените ово на рачунару за који имате дозволу за проверу. Скенирање ради у режиму само за читање.

shell

tmaegis scan --target intune-defender