Check Point Advisories

China Chopper Web Shell Remote Code Execution

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1527
Date Published:	13 May 2014
Severity:	Critical
Last Updated:	Thursday 08 May, 2014
Source:
Protection Provided by:	Security Gateway R77 R76 R75
Who is Vulnerable?	Web servers
Vulnerability Description	China Chopper Web Shell is a malware designed to infect Web servers. The malware has a Web shell command-and-control (CnC) client binary and a text-based Web shell payload (server component). Post infection, the malware enables remote attackers to execute arbitrary code on affected systems.

Protection Overview

This protection will detect and block communication attempts between the web server component and the CnC client binary.

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, Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75 / R71 / R70

In the IPS tab, click Protections and find the China Chopper Web Shell Remote Code Execution protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Malware Traffic.
Attack Information:  China Chopper Web Shell Remote Code Execution