Check Point Advisories

Suspicious Microsoft Office File Archive Mail Attachment

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0015
Date Published:	9 Jan 2017
Severity:	Critical
Last Updated:	Wednesday 23 August, 2017
Source:
Protection Provided by:	Security Gateway R81, R80, R77, 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 R80 / R77 / R75

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.
Install policy on all Security Gateways.

This protection's log will contain the following information:

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