Check: WNDF-AV-000020
Microsoft Defender Antivirus STIG:
WNDF-AV-000020
(in versions v2 r3 through v1 r1)
Title
Windows Defender AV must be configured to scan all downloaded files and attachments. (Cat II impact)
Discussion
This policy setting allows you to configure scanning for all downloaded files and attachments. If you enable or do not configure this setting scanning for all downloaded files and attachments will be enabled. If you disable this setting scanning for all downloaded files and attachments will be disabled.
Check Content
Verify the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Defender Antivirus -> Real-time Protection -> "Scan all downloaded files and attachments" 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 "DisableIOAVProtection" 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 -> "Scan all downloaded files and attachments" to "Enabled" or "Not Configured".
Additional Identifiers
Rule ID: SV-213444r569189_rule
Vulnerability ID: V-213444
Group Title: SRG-APP-000209
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-001169 |
Prevent the download of organization-defined unacceptable mobile code. |
Controls
Number | Title |
---|---|
SC-18(3) |
Prevent Downloading / Execution |