PC Training & Consulting Weblog: New Virus Attack Technique Bypasses Filters

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New Virus Attack Technique Bypasses Filters

February 03, 2005

Late last month, administrators and service providers began seeing virus-infected messages with a new type of attachment hitting their mail servers: an .rar archive. .Rar files are similar to .zip files in that they are containers used to hold one or more compressed files. The .rar format is not as widely known as .zip, but it is used for a number of tasks, including compressing very large files, such as music and video. ...

Experts say .rar files carrying viruses have been sailing past commercial anti-virus products and finding their way into the mailboxes of users, who are often unfamiliar with the file format. Administrators who have seen .rar-packed malware say that none of the messages have been stopped by their anti-virus defenses.

Security & Privacy entry by mjh at 11:43 AM | email this