TMA-INTUNE-DEFENDER-2.16

Ensure 'ASR: Block execution of potentially obfuscated scripts' is set to 'Audit' or higher

СреднийУровень 1Автоматическаяintune-defender

Описание

This rule detects suspicious properties within an obfuscated script. The recommended state for this setting is: Audit. Configuring this setting to Block also conforms to the benchmark. Audit: reads the Intune PolicyManager ASR rules value (via the WinningProvider GUID) and requires the rule entry 5beb7efe-fd9a-4556-801d-275e5ffc04cc=1 or 5beb7efe-fd9a-4556-801d-275e5ffc04cc=2 (Block, or Audit for the "Audit or higher" wording).

Как проверяется

Метод проверки: Реестр Windows

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() }); $want = @('5beb7efe-fd9a-4556-801d-275e5ffc04cc=1','5beb7efe-fd9a-4556-801d-275e5ffc04cc=2'); if (@($want | Where-Object { $have -contains $_ }).Count -gt 0) { 'compliant' } else { 'non-compliant: ' + $v } }

Ожидаемый вывод: compliant

Как исправляется

Метод исправления: Рекомендация или патч инфраструктуры

To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Audit or Block. Defender\Block execution of potentially obfuscated scripts

Свойства

Операционные системы: Любая
Теги: intune-defenderintuneregistry
Источник: CIS Microsoft Intune for Microsoft Defender Antivirus Benchmark v1.0.0 - 2.16 Ensure 'ASR: Block execution of potentially obfuscated scripts' is set to 'Audit' or higher

Проверить этот хост

Выполните команду на компьютере, аудит которого вам разрешён. Сканирование работает только на чтение.

shell

tmaegis scan --target intune-defender