31st October 2013
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Administrator
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Join Date: May 2008
Location: Budel - the Netherlands
Posts: 4,132
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Meet “badBIOS,” the mysterious Mac and PC malware that jumps airgaps
From http://arstechnica.com/security/2013...jumps-airgaps/
Quote:
Three years ago, security consultant Dragos Ruiu was in his lab when he noticed something highly unusual: his MacBook Air, on which he had just installed a fresh copy of OS X, spontaneously updated the firmware that helps it boot. Stranger still, when Ruiu then tried to boot the machine off a CD ROM, it refused. He also found that the machine could delete data and undo configuration changes with no prompting. He didn't know it then, but that odd firmware update would become a high-stakes malware mystery that would consume most of his waking hours.
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You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump
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