Adore Worm Threat: Backdoors in Linux Systems Uncovered

The third Linux virus in almost as many months hit the Internet this week. Known as the Adore worm, the program is designed to create so-called back doors in the security of Linux systems and send information identifying the compromised systems . . . The third Linux virus in almost as many months hit the Internet this week. Known as the Adore worm, the program is designed to create so-called back doors in the security of Linux systems and send information identifying the compromised systems to four different e-mail addresses hosted on servers in China and the United States.

"It seems to be a variant of the Ramen worm, said David Dittrich, security administrator for the University of Washington and an expert on digital forensics and hacking tools.

The Ramen worm, which used three well-known security flaws to infect systems using the Red Hat distribution of Linux, hit in mid-January and infected an unknown number of computers.

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