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The Symantec Endpoint Protection client Internet Email Auto-Protect actions for when malware has been detected must be configured to Clean Risk as first action.


Overview

Finding ID Version Rule ID IA Controls Severity
V-42834 DTASEP100 SV-55562r1_rule Medium
Description
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.
STIG Date
Symantec Endpoint Protection 12.1 Local Client Antivirus STIG 2015-06-30

Details

Check Text ( C-49106r1_chk )
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 Internet Email Auto-Protect tab -> Select the Actions tab -> Select Malware -> Ensure first action is set to "Clean Risk".

Criteria: If first action is not set to "Clean Risk", 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\InternetMail\RealTimeScan\Malware
64 bit:
HKLM\SOFTWARE\Wow6432Node\Symantec\Symantec Endpoint Protection\AV\Storages\InternetMail\RealTimeScan\Malware

Criteria: If the value of "FirstAction" is not 5, this is a finding.
Fix Text (F-48420r1_fix)
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 Internet Email Auto-Protect tab -> Select the Actions tab -> Select Malware -> Set first action to "Clean Risk".