STIGQter: STIG Summary: Microsoft Windows Defender Antivirus Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Windows Defender AV must be configured to block Win32 imports from macro code in Office.

DISA Rule

SV-213462r569189_rule

Vulnerability Number

V-213462

Group Title

SRG-APP-000210

Rule Version

WNDF-AV-000038

Severity

CAT II

CCI(s)

• CCI-001170 - The information system prevents the automatic execution of mobile code in organization-defined software applications.

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Windows Defender Exploit Guard -> Attack Surface Reduction -> "Configure Attack Surface Reduction rules" to "Enabled”. Click ‘Show...’. Set the Value name to “92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B” and the Value to “1”.

Check Contents

This setting is applicable starting with v1709 of Windows 10, it is NA for prior versions.

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Windows Defender Exploit Guard -> Attack Surface Reduction -> "Configure Attack Surface Reduction rules" is set to "Enabled”. Click ‘Show...’. Verify the rule ID in the Value name column and the desired state in the Value column is set as follows:
Value name: 92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B
Value: 1

Procedure: Use the Windows Registry Editor to navigate to the following key:
HKLM\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\ASR\Rules

Criteria: If the value “92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B” is REG_SZ = 1, this is not a finding.

Vulnerability Number

V-213462

Documentable

False

Rule Version

WNDF-AV-000038

Severity Override Guidance

This setting is applicable starting with v1709 of Windows 10, it is NA for prior versions.

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Windows Defender Exploit Guard -> Attack Surface Reduction -> "Configure Attack Surface Reduction rules" is set to "Enabled”. Click ‘Show...’. Verify the rule ID in the Value name column and the desired state in the Value column is set as follows:
Value name: 92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B
Value: 1

Procedure: Use the Windows Registry Editor to navigate to the following key:
HKLM\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\ASR\Rules

Criteria: If the value “92E97FA1-2EDF-4476-BDD6-9DD0B4DDDC7B” is REG_SZ = 1, this is not a finding.

Check Content Reference

M

Target Key

3985

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