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Update Protections against Recent Malware Threats (28-Apr-09)

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Check Point Reference: CPAI-2009-098
Date Published:
Preemptive Since:
Severity:
Source: Trojan-Dropper: IRC.TKB
Backdoor: Trojan.TDSS.1.Gen
Trojan-Downloader: Trojan-Spy.Win32.Pophot
Password Stealer: 0desa Msn Pass Stealer 8.5
Protection Provided by: Security Gateway
  • R70
VPN-1
  • NGX R65
  • NGX R62
  • NGX R61
  • NGX R60
VSX
  • NGX R65
InterSpect
  • NGX
Who is Vulnerable?
Microsoft Windows clients
Vulnerability Description
The update includes new protections against 4 recent malware threats:

Trojan-Dropper: IRC.TKB - Trojan-Dropper IRC.TKB is an application that installs malicious files and downloads unwanted content to user's host without user's consent.

Backdoor: Trojan.TDSS.1.Gen - Trojan.TDSS.1.Gen is a backdoor Trojan application that downloads and installs TDSServ rootkit on user's host.

Trojan-Downloader: Trojan-Spy.Win32.Pophot - Trojan-Spy.Win32.Pophot is a Trojan downloader that installs other malicious code and files into the infected system. It attempts to steal passwords, login details and other confidential information and sends such information to its remote host.

Password Stealer: 0desa Msn Pass Stealer 8.5 - 0desa Msn Pass Stealer 8.5 is an Hacker-Tool password stealer that captures victim's MSN login password and sends it to an predefined email address.

Vulnerability Details
Malware is a software designed to infiltrate or damage a computer system without the owner's informed consent. It is a general name for a variety of forms of hostile, intrusive, or annoying programs like Viruses, worms, Adware, Trojans, and spyware that exploit unprotected clients, using network access to intrude upon organizations, destroying or stealing data.

Spyware is computer software that is installed without the user's informed consent on a personal computer to intercept or take partial control over the user's interaction with the computer. Spyware programs can collect various types of personal information, install additional software, redirect Web browser activity, or divert advertising revenue to a third party.

Adware is an advertising-supported software package which automatically plays, displays, or downloads advertising material to a computer after the software is installed on it or while the application is being used.

A Trojan horse is a program that installs malicious software while under the guise of doing something else.  Trojans are known for installing backdoor programs which allow unauthorized non permissible remote access to the victim's machine by unwanted parties with malicious intentions.

Protection Overview
The update enables the Header Rejection protection and the HTTP Worm Catcher to detect and block the malware based on pre-defined header names and worm signatures.

In order for the protection to be activated, update your Security Gateway/VPN-1/InterSpect product to the latest SmartDefense update. For information on how to update SmartDefense, go to SBP-2006-05, Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway R70

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Web Intelligence > HTTP Protocol Inspection.
2. In the right pane, double-click the Header Rejection protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect).
4. Under Additional Settings > Header Rejection, enable the following protections:

Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

5. In the IPS tab, click Protections > By Protocol > Web Intelligence > Malicious Code.
6. In the right pane, double-click the General HTTP Worm Catcher protection.
7. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect).
8. Under Additional Settings > Block HTTP Worms, enable the following protection:

Password Stealer: 0desa Msn Pass Stealer 8.5

9. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Header Rejection
Attack Information:
Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

Attack Name: HTTP Worm Catcher
Attack Information: Password Stealer: 0desa Msn Pass Stealer 8.5

VPN-1 NGX R65 & R62

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Protocol Inspection > Header Rejection.
2. In the Header Rejection configuration pane, under Header Rejection Settings > Mode, check Active.
3. Enable the following protections:

Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

4. In the SmartDefense tab, click Web Intelligence > Malicious Code > General HTTP Worm Catcher.
5. In the General HTTP Worm Catcher configuration pane, under Settings > Mode, check Active.
6. Enable the following protection:

Password Stealer: 0desa Msn Pass Stealer 8.5

7. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Header Rejection
Attack Information:
Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

Attack Name: HTTP Worm Catcher
Attack Information: Password Stealer: 0desa Msn Pass Stealer 8.5

VPN-1 NGX R61 & R60

How Can I Protect My Network?
1. In the Web Intelligence tree, click HTTP Protocol Inspection > Header Rejection.
2. Enable the following protections:

Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

3. In the Web Intelligence tree , click Malicious Code > General HTTP Worm Catcher.
4. Enable the following protection:

Password Stealer: 0desa Msn Pass Stealer 8.5

5. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Header Rejection
Attack Information:
Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

Attack Name: HTTP Worm Catcher
Attack Information: Password Stealer: 0desa Msn Pass Stealer 8.5

VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Protocol Inspection > Header Rejection.
2. In the Header Rejection configuration pane, under Header Rejection Settings > Mode, check Active.
3. Enable the following protections:

Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

4. In the SmartDefense tab, click Web Intelligence > Malicious Code > General HTTP Worm Catcher.
5. In the General HTTP Worm Catcher configuration pane, under Settings > Mode, check Active.
6. Enable the following protection:

Password Stealer: 0desa Msn Pass Stealer 8.5

7. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Header Rejection
Attack Information:
Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

Attack Name: HTTP Worm Catcher
Attack Information: Password Stealer: 0desa Msn Pass Stealer 8.5

InterSpect NGX

How Can I Protect My Network?
1. In the left pane, select Profiles > Default Protection and select the Web Intelligence page of the profile.
2. In the Web Intelligence tree, click HTTP Protocol Inspection > Header Rejection.
3. Enable the following protections:

Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

4. In the Web Intelligence tree, click Malicious Code > General HTTP Worm Catcher.
5. Enable the following protection:

Password Stealer: 0desa Msn Pass Stealer 8.5

6. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Header Rejection
Attack Information:
Trojan-Dropper: IRC.TKB 1
Trojan-Dropper: IRC.TKB 2
Trojan-Dropper: IRC.TKB 3
Backdoor: Trojan.TDSS.1.Gen 1
Backdoor: Trojan.TDSS.1.Gen 2
Trojan-Downloader: Trojan-Spy.Win32.Pophot

Attack Name: HTTP Worm Catcher
Attack Information: Password Stealer: 0desa Msn Pass Stealer 8.5