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Stuxnet was built by a very sophisticated and capable attacker --
possibly a nation state -- and it was designed to destroy something big
... .
The worm actually looks for very specific Siemens settings -- a kind of
fingerprint that tells it that it has been installed on a very specific
Programmable Logic Controller (PLC) device -- and then it injects its
own code into that system.
... when
Stuxnet finally
identifies its target, it makes changes to a piece of Siemens code
called Organizational Block 35. This Siemens component monitors
critical factory operations -- things that need a response within 100
milliseconds. By messing with Operational Block 35, Stuxnet could
easily cause a refinery's centrifuge to malfunction, but it could be
used to hit other targets too, Byres said. "The only thing I can say is
that it is something designed to go bang," he said. [Full]
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I'm absolutely
fascinated by this. It's a certainty that the winning side in the
next great world war (if it hasn't already begun) will
prevail with cybertoge. Nerds rule the universe. Awk!
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