Check Point Advisories

Suspicious SMB Ransomware Propagation Attempt

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0879
Date Published:	26 Oct 2017
Severity:	Critical
Last Updated:	Tuesday 05 June, 2018
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Shared networks.
Vulnerability Description	Many ransomwares utilize the SMB protocol for propagation of their malicious code. A successful attack may lead to the encryption of the target device and other devices on the network.

Protection Overview

This protection detects attempts of exploitation by BadRabbit ransomware.

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 SMB Ransomware Propagation 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: Windows SMB Protection Violation.
Attack Information: Suspicious SMB Ransomware Propagation Attempt