Stuxnet: A Breakthrough

malexous · Nov 13, 2010

Thanks to some tips from a Dutch Profibus expert who responded to our call for help, we’ve connected a critical piece of the puzzle.

Since our discovery that Stuxnet actually modifies code on PLCs in a potential act of sabotage, we have been unable to determine what the exact purpose of Stuxnet is and what its target was.

However, we can now confirm that Stuxnet requires the industrial control system to have frequency converter drives from at least one of two specific vendors, one headquartered in Finland and the other in Tehran, Iran. This is in addition to the previous requirements we discussed of a S7-300 CPU and a CP-342-5 Profibus communications module.

The target system would potentially look something like the diagram below:
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Click to expand...

Stuxnet: A Breakthrough | Symantec Connect

CloneRanger · Nov 13, 2010

Hi, thanks for the info I think it would be more appropriate in here though, with All the other Stuxnet info - https://www.wilderssecurity.com/showthread.php?t=276994&page=12&highlight=Stuxnet

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