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'Lupper' Attacks Linux Systems Print E-mail
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Source: CXOToday - Posted by Benjamin D. Thomas   
Wireless Security Security specialist McAfee has discovered a new virus, an internet worm that is attacking Linux systems. The worm spreads by exploiting web servers hosting vulnerable PHP/ CGI scripts and has been named 'Lupper' by Mcafee. McAfee, which has rated Lupper as low risk, says that the worm is a modified derivative of the Linux/ Slapper and BSD/ Scalper worms from which it inherits its propagation strategy. It scans an entire class B subnet created by randomly choosing the first byte from a hard-coded list of A classes and randomly generating the second byte.

The worm blindly attacks web servers by sending malicious http requests on port 80. If the target server is running one of the vulnerable scripts at specific URLs and is configured to permit external shell commands and remote file download in the PHP/ CGI environment, a copy of the worm could be downloaded and executed.

Read this full article at CXOToday

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