TMA-INTUNE-DEFENDER-2.14

Ensure 'ASR: Block executable content from email client and webmail' is set to 'Block'

MittelStufe 1Automatisiertintune-defender

Beschreibung

This rule blocks email opened within the Microsoft Outlook application, or Outlook.com and other popular webmail providers from propagating the following file types: • Executable files (such as .exe, .dll, or .scr) • Script files (such as a PowerShell .ps1, Visual Basic .vbs, or JavaScript .js file) 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 be9ba2d9-53ea-4cdc-84e5-9b1eeee46550=1 (Block).

So wird geprüft

Prüfmethode: Windows-Registrierung

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() }); $want = @('be9ba2d9-53ea-4cdc-84e5-9b1eeee46550=1'); if (@($want | Where-Object { $have -contains $_ }).Count -gt 0) { 'compliant' } else { 'non-compliant: ' + $v } }

Erwartete Ausgabe: compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Block. Defender\Block executable content from email client and webmail

Eigenschaften

Betriebssysteme: Beliebig
Tags: intune-defenderintuneregistry
Referenz: CIS Microsoft Intune for Microsoft Defender Antivirus Benchmark v1.0.0 - 2.14 Ensure 'ASR: Block executable content from email client and webmail' is set to 'Block'

Diesen Host prüfen

Führen Sie dies auf einem Rechner aus, den Sie prüfen dürfen. Der Scan ist schreibgeschützt.

shell

tmaegis scan --target intune-defender