Check Point Advisories

PoshRat Command Control Attempt

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0711
Date Published:	18 Jul 2018
Severity:	Medium
Last Updated:	Monday 23 July, 2018
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	PoshRat is an open source tool that uses evasions techniques for reverse interactive PowerShell. A remote attacker can send malicious file that triggers the vulnerability.

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 PoshRat Command Control Attempt 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 Client Enforcement Violation.
Attack Information: PoshRat Command Control Attempt