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Check: WN12-UC-000011

Microsoft Windows Server 2012/2012 R2 Domain Controller STIG: WN12-UC-000011 (in versions v3 r7 through v2 r7)

Title

The system must notify antivirus when file attachments are opened. (Cat II impact)

Discussion

Attaching malicious files is a known avenue of attack. This setting configures the system to notify antivirus programs when a user opens a file attachment.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\Attachments\ Value Name: ScanWithAntiVirus Type: REG_DWORD Value: 3

Fix Text

Configure the policy value for User Configuration -> Administrative Templates -> Windows Components -> Attachment Manager -> "Notify antivirus programs when opening attachments" to "Enabled".

Additional Identifiers

Rule ID: SV-226367r794687_rule

Vulnerability ID: V-226367

Group Title: SRG-OS-000480-GPOS-00227

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CCIs

CCIs tied to check.

Number	Definition
CCI-000366	The organization implements the security configuration settings.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
CM-6	Configuration Settings