TMA-DEFENDER-1.6.1.14

Ensure 'Configure Attack Surface Reduction rules: Set the state for each ASR rule' is set to '33ddedf1-c6e0-47cb-833e- de6133960387:1'

HochStufe 1Automatisiertdefender

Beschreibung

This rule prevents the execution of certain commands to restart the system in Safe Mode. Rule ID and name: - 33ddedf1-c6e0-47cb-833e-de6133960387 (Block rebooting machine in Safe Mode) The recommended state for this setting is: 33ddedf1-c6e0-47cb-833e- de6133960387:1 (Block). Rationale: Attack surface reduction helps prevent actions and apps that are typically used by exploit-seeking malware to infect machines. Audit reads the Group Policy registry value and prints 'compliant', 'unset' (policy not configured, reported as FAIL) or the non-compliant value. Registry value: HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\ASR\Rules:33ddedf1-c6e0-47cb-833e-de6133960387 (REG_SZ); compliant when it is 1.

So wird geprüft

Prüfmethode: Windows-Registrierung

registry

$v = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\ASR\Rules' -Name '33ddedf1-c6e0-47cb-833e-de6133960387' -ErrorAction SilentlyContinue).'33ddedf1-c6e0-47cb-833e-de6133960387'; if ($null -eq $v) { 'unset' } elseif (($null -ne $v -and @('1') -contains "$v")) { 'compliant' } else { "non-compliant: $v" }

Erwartete Ausgabe: compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

Configure through Group Policy: Computer Configuration\Policies\Administrative Templates\Windows Components\Microsoft Defender Antivirus\Microsoft Defender Exploit Guard\Attack Surface Reduction\Configure Attack Surface Reduction rules: Set the state for each ASR rule = 33ddedf1-c6e0-47cb-833e-de6133960387 with a value of 1. Test in audit mode (2) first. Local alternative (writes Defender preferences, not the Group Policy value this audit reads): Add-MpPreference -AttackSurfaceReductionRules_Ids 33ddedf1-c6e0-47cb-833e-de6133960387 -AttackSurfaceReductionRules_Actions 1

Eigenschaften

Betriebssysteme: Beliebig
Tags: defenderantiviruscis-l1
Referenz: CIS Microsoft Defender Antivirus Benchmark v1.0.0 - 1.6.1.14 Ensure 'Configure Attack Surface Reduction rules: Set the state for each ASR rule' is set to '33ddedf1-c6e0-47cb-833e- de6133960387:1'

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