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Check Point Advisories

Suspicious Microsoft Office File Archive Mail Attachment

Check Point Reference: CPAI-2017-0015
Date Published: 9 Jan 2017
Severity: Critical
Last Updated: 9 May 2017
Source:
Protection Provided by:

Security Gateway
R77, R76, R75

Who is Vulnerable?
Vulnerability Description Many campaigns are known to use mail attachments containing double zipped files. A remote attacker could send e-mails including such files and convince users to manually trigger their execution. This would allow the malicious code to run and infect the target system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update.For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75

  1. In the IPS tab, click Protections and find the Suspicious Microsoft Office File Archive Mail Attachment protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Phishing Enforcement Protection.
Attack Information:  Suspicious Microsoft Office File Archive Mail Attachment