Check Point Advisories

Suspicious Powershell Downloader

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0542
Date Published:	14 Jun 2018
Severity:	Critical
Last Updated:	Monday 23 July, 2018
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Powershell
Vulnerability Description	Many campaigns are known to use Powershell downloaders. A remote attacker could 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 Powershell Downloader 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: Content Protection Violation.
Attack Information: Suspicious Powershell Downloader