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Check: DTASEP073

Symantec Endpoint Protection 12.1 Local Client Antivirus STIG: DTASEP073 (in version v1 r4)

Title

The Symantec Endpoint Protection client Outlook Auto-Protect must be configured to scan inside zipped files. (Cat II impact)

Discussion

Email has become one of the most frequently used methods of spreading malware, through embedded HTML code and attachments. User awareness and training, warning users to not open suspicious emails or email attachments and to not click hyperlinks, etc. from unknown or known senders, will not fully protect from email-borne malware. Mass mailing worms are similar to email-borne viruses but are self-contained rather than being designed to infect an existing file. Protecting from email-borne viruses and mass mailing worms by scanning email upon delivery mitigates the risk of infection via email.

Check Content

GUI check: Locate the Symantec Endpoint Protection icon in the system tray. Double-click the icon to open the Symantec Endpoint Protection configuration screen. On the left hand side, select Change settings -> Under Virus and Spyware Protection -> Select Configure Settings -> Under the Outlook Auto-Protect tab -> Select Advanced -> Under Compressed files options -> Ensure "Scan files inside compressed files" is selected. Criteria: If "Scan files inside compressed files" is not selected, this is a finding. On the machine use the Windows Registry Editor to navigate to the following key: 32 bit: HKLM\SOFTWARE\Symantec\Symantec Endpoint Protection\AV\Storages\MicrosoftExchangeClient\RealTimeScan 64 bit: HKLM\SOFTWARE\Wow6432Node\Symantec\Symantec Endpoint Protection\AV\Storages\MicrosoftExchangeClient\RealTimeScan Criteria: If the value of ZipFile is not 1, this is a finding.

Fix Text

Locate the Symantec Endpoint Protection icon in the system tray. Double-click the icon to open the Symantec Endpoint Protection configuration screen. On the left hand side, select Change settings -> Under Virus and Spyware Protection -> Select Configure Settings -> Under the Outlook Auto-Protect tab -> Select Advanced -> Under Compressed files options -> Select "Scan files inside compressed files".

Additional Identifiers

Rule ID: SV-55534r1_rule

Vulnerability ID: V-42806

Group Title: DTASEP073

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CCIs

CCIs tied to check.
Number Definition
CCI-001668

The organization employs malicious code protection mechanisms at workstations, servers, or mobile computing devices on the network to detect and eradicate malicious code transported by electronic mail, electronic mail attachments, web accesses, removable media, or other common means or inserted through the exploitation of information system vulnerabilities.

Controls

Controls tied to check. These are derived from the CCIs shown above.
Number Title
No controls are assigned to this check