Check Point Advisories

Repetitive SMB Rename Command Attempts

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0730
Date Published:	12 Sep 2016
Severity:	Critical
Last Updated:	Monday 25 July, 2022
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Networks
Vulnerability Description	Ransomwares access shared folder in order to encrypt files. Successful exploitation might lead to loss of sensitive data.

Protection Overview

This protection detects attempts to access a shared folder made by ransomware such as Locky, Cerber and others.Note: This protection is supported from version R75.40VS and above and cannot be enforced by previous IPS gateway versions.

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 Repetitive SMB Rename Command Attempts 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: Repetitive SMB Rename Command Attempts