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Check Point Advisories

PHP Web Shells Malicious Known Variables

Check Point Reference: CPAI-2015-0464
Date Published: 13 Apr 2015
Severity: Critical
Last Updated: 26 Jan 2017
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? PHP Web Servers
Vulnerability Description There are known Variables of an attempt to upload a web shell backdoor to a PHP server. A successful exploitation might allow the attacker to run arbitrary code, or use the server as a bot for further attacks.

Protection Overview

This protection detects attempts to upload a web shell backdoor.

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 / R76 / R75

  1. In the IPS tab, click Protections and find the PHP Web Shells Malicious Known Variables 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:  Web Server Enforcement Violation.
Attack Information:  PHP Web Shells Malicious Known Variables