Multi-platform virus strains that infect Windows, Mac OS X and Linux
machines are extremely rare but not unprecedented. One example include
the recent Crisis super-worm. Creating a strain of malware that infects
Mac OS X and Linux machines but not Windows boxes seems, frankly, weird
given the sizes of each operating system's userbase - unless the virus
has been designed for some kind of closely targeted attack on an
organisation that uses a mix of the two Unix flavours.
Analysis work on the Wirenet-1 is ongoing and for now it's unclear how
the trojan is designed to spread. Once executed, it copies itself to the
user's home directory, and uses AES to encrypt its communications with a
server over the internet. ®
http://www.theregister.co.uk/2012/08...ux_mac_trojan/


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