Security Incidents mailing list archives

Strange Windows behavior / Spamming customers


From: Christopher Kunz <chrislist () de-punkt de>
Date: Thu, 04 Mar 2004 13:01:30 +0100

Hi all,

I don't know how many german-speaking members this list has, but I'd like to point all people who are working on the spamming/trojan issues to a rather good article in the german IT magazine "c't" (http://www.heise.de/ct/inhalt.shtml).

Basically, this article links the numerous trojans that circulate in peer2peer networks, irc networks like QuakeNet and IRCNet and via mail to the exact problem you're seeing. Seems like the creators of the trojan variants (built with a trojan building kit) use the trojans to

1) create massive botnets with tens of thousands of compromised hosts and use them for their own purposes (mainly dDoS) 2) create a steady revenue stream by renting out these botnets to spammers, who in turn relay millions of spam mails through these networks.

According to the article, there have been several arrests in the UK and USA connected to the investigations done by "c't" and a german student.

Just FYI.

--ck

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