The media has already written extensively about how Sony BMG appliedrootkit technology to hide and protect DRM components used to prevent disks from being copied. One highly unfortunate effect of Sony's decision to use this rootkit was the possiblity that malicious programs might implement the same technology. Kaspersky Lab virus analysts can confirm that this has now happened.
Today a backdoor program which utilizes the rootkit technology was detected. Kaspersky Lab classifies the program as Backdoor.Win32.Breplibot.b. The backdoor was mass mailed using spamming technologies, and attached to a message which uses classic social engineering techniques to entice the recipient into launching the attachment. The attachment allegedly contains a photograph. Once the user launches the attached file, the backdoor code will penetrate the victim machine.
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News source: kaspersky.com