Check: WNDF-AV-000036
Microsoft Defender Antivirus STIG:
WNDF-AV-000036
(in version v2 r4)
Title
Microsoft Defender AV must be configured to impede JavaScript and VBScript to launch executables. (Cat II impact)
Discussion
JavaScript and VBScript scripts can be used by malware to launch other malicious apps. This rule prevents these scripts from being allowed to launch apps, thus preventing malicious use of the scripts to spread malware and infect machines.
Check Content
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 >> Microsoft Defender Antivirus >> Microsoft 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: D3E037E1-3EB8-44C8-A917-57927947596D 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 "D3E037E1-3EB8-44C8-A917-57927947596D" is REG_SZ = 1, this is not a finding.
Fix Text
Set the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Microsoft Defender Antivirus >> Windows Defender Exploit Guard >> Attack Surface Reduction >> "Configure Attack Surface Reduction rules" to "Enabled". Click "Show...". Set the Value name to "D3E037E1-3EB8-44C8-A917-57927947596D" and the Value to "1".
Additional Identifiers
Rule ID: SV-213460r823089_rule
Vulnerability ID: V-213460
Group Title: SRG-APP-000210
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-001170 |
Prevents the automatic execution of mobile code in organization-defined software applications. |
Controls
Number | Title |
---|---|
SC-18(4) |
Prevent Automatic Execution |