ESET has just reported an IRC-controlled backdoor Trojan that turns the infected machine into a bot used for DDoS (Distributed Denial of Service) attacks. That may sound nothing special, except that it’s a 64-bit Mach-O binary, native to OS X. Well, not exactly native: it’s a port from an antique family of Linux ELF binaries, recompiled with minor IRC changes for the Mac.
More information in Robert Lipovský’s blog post here.
David Harley CITP FBCS CISSP
Small Blue-Green World/Mac Virus
Mac Virus 
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