Hacker Writes Easy-to-use Mac Trojan

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Computer Security Company Sophos has found a new Trojan Horse Program written for Mac. It is called the BlackHole RAT and it's pretty easy to find online in hacking forums, according to Chet Wisniewski a researcher with antivirus vendor Sophos.

Sophos hasn't seen the Trojan used in any online attacks -- it's more a bare-bones, proof-of-concept beta program right now -- but the software is pretty easy to use, and if a criminal could find a way to get a Mac user to install it, or write attack code that would silently install it on the Mac, it would give him remote control of the hacked machine.

BlackHole is a variant of a Windows Trojan called darkComet, but it appears to have been written by a different developer. The darkComet source code is freely available, so it looks like BlackHole's author simply took that code and tweaked it so it would run on the Mac, Wisniewski said.