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Exploit:JS/Agent.IHL

First posted on 17 December 2008.
Source: SecurityHome

Aliases :

There are no other names known for Exploit:JS/Agent.IHL.

Explanation :

Exploit:JS/Agent.IHL is JavaScript, usually found on malicious or compromised websites.

It is used to silently install malicious software onto the website visitor's system.

right]Exploit

Exploit:JS/Agent.IHL is JavaScript code that exploits a vulnerability found in versions of Microsoft Internet Explorer.

This exploit targets Internet Explorer 7 in and works on the Windows XP and Windows Server 2003 operating systems.

The exploit can be recognized as shown in the picture below:



If the exploit successfully executes, it will download a malicious file from the following URL address:

• http://www.steoo.com/[...]/win.exe

We detect the downloaded file as Trojan:W32/Agent.IHN.

Vulnerability

Please see the following report for additional information on the vulnerability used:

• http://www.f-secure.com/vulnerabilities/SA33089

Note: To be clear, scripts used by this particular exploit target IE7 while the vulnerability itself affects all versions of IE.

Last update 17 December 2008

 

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