Check Point Advisories

PHP Web Shells Malicious Known Variables

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0464
Date Published:	13 Apr 2015
Severity:	Critical
Last Updated:	Monday 14 August, 2023
Source:
Protection Provided by:	Security Gateway R81, R80, R77, 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 R81 / R80 / R77 / R75

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.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Server Enforcement Violation.
Attack Information: PHP Web Shells Malicious Known Variables