Unnoticed For Years, Malware Turned Linux Servers Into Spamming Machines

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An anonymous reader writes: For over 5 years, and perhaps even longer, servers around the world running Linux and FreeBSD operating systems have been targeted by an individual or group that compromised them via a backdoor Trojan, then made them send out spam, ESET researchers have found. What’s more, it seems that the spammers are connected with a software company called Yellsoft, which sells DirectMailer, a “system for automated e-mail distribution” that allows users to send out anonymous email in bulk. Here’s the white paper in which the researchers explain the exploit. Read more of this story at Slashdot.

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Unnoticed For Years, Malware Turned Linux Servers Into Spamming Machines

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