New Rootkit Designed to Attack 64-bit Versions of Windows is in the Wild

Until now there hasn’t been a rootkit which explicitly attacks machines running a 64-bit version of Microsoft Windows. But now the TDL3 rootkit has been updated to infect Windows Vista 64 bit and Windows 7 64 bit.

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Stuxnet: The Industrial Sabotage Mystery Deepens

Since its discovery a few months ago, the purpose and intention of the Stuxnet worm has remained shrouded in mystery. This Windows based worm is the first ever malware designed to attack industrial equipment.

Specifically it targets Siemens’ Supervisory Control And Data Acquisition (SCADA) software used to control and monitor industrial processes and has the ability to reprogram Siemens’ Simatic PLCs (programmable logic controllers).

PLCs contain code to control automated industrial systems in manufacturing plants or factories. Programmers use the Siemens’ software from a Windows PC to create code and then upload their code to the PLCs. The Stuxnet worm infects the PCs and then uploads its own code to the PLC.

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