Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Multiple RDP Initial Connection Requests

Check Point Reference: SBP-2011-11
Date Published: 30 Aug 2011
Severity: N/A
Last Updated: Sunday 01 May, 2016
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description Remote Desktop Protocol (RDP) protocol is a well-established method of secure communication in a client and server architectural model. Brute Force Attacks are a significant threat on users privacy.
Using Brute Force it is possible to crack a user account on the remote target and compromise it. There are cases in which certain traffic, although not intended for malicious use, is very unsafe, since it may transfer shellcode which is undetectable by IPS.

Protection Overview

This protection detects and blocks repeated login attempts from the same client during a short period of time.

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 / R71 / R70

  1. In the IPS tab, click Protections and find the Multiple RDP Initial Connection Requests protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  RDP Enforcement Violation.
Attack Information:  Microsoft Remote Desktop brute force attack (Win32.Morto.A)

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