Microsoft Windows Defender Antivirus STIG: WNDF-AV-000022

Check: WNDF-AV-000022 (in versions v2 r2 through v1 r1)

Title

Windows Defender AV must be configured to enable behavior monitoring. (Cat II impact)

Discussion

This policy setting allows you to configure behavior monitoring. If you enable or do not configure this setting behavior monitoring will be enabled. If you disable this setting behavior monitoring will be disabled.

Check Content

Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Turn on behavior monitoring" is set to "Enabled" or "Not Configured". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection Criteria: If the value "DisableBehaviorMonitoring" is REG_DWORD = 0, this is not a finding. If the value does not exist, this is not a finding. If the value is 1, this is a finding.

Fix Text

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Turn on behavior monitoring" to "Enabled " or "Not Configured".

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CCIs

CCIs tied to check.
Number Definition
CCI-001170

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

Controls

Controls tied to check. These are derived from the CCIs shown above.
Number Title
SC-18 (4)

Prevent Automatic Execution