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Coimbatore Feb. 22 Two days after the detection of a malicious code that claimed that the Australian Prime Minister had suffered an attack, Websense Security Labs has received reports of another alert. And this time round, the alert is about new malicious Web sites designed to install Trojan Horse (which appears as a useful, legitimate file or software program, but once installed causes havoc by damaging or deleting files).

A Websense release has said that the end-users on visiting the site were directed to one of the five servers. And should the users machine be vulnerable to such attacks, the `iexplorer.exe' file is automatically downloaded and run.

Besides installing itself, the `iexplorer.exe' file downloads and installs five additional files such as IEMod.dll, IEGrabber.dll, IEFaker.dll, CertGrabber.dll and PSGrabber.dll — believed to be from a server in Russia.

The problem starts thereafter. The code transparently replaces some HTML within the page and posts the end-user's log-on credentials to the server in Russia.

According to Websense, Australia and the US led the infection list with more than 1,000 successful infections per day.

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