[HIB]New 64-Bit Windows Rootkit Already 'In The Wild'

After a brief lull, new and improved rootkits are back. The latest iteration of one well-known kit -- TDL3 -- now enables hackers to compromise 64-bit Windows more easily, according to one security researcher.According to security research firm Prevx, it's an important escalation in the continuing spy-versus-spy cold war between researchers and hackers.While many security administrators may not be familiar with TDL3, TDL and it's other variants, they may remember it by a different name -- the Alureon rootkit -- that made the rounds earlier this year. The problems began when some users who had just downloaded and installed a new Microsoft (NASDAQ: MSFT) security patch complained that it caused their PCs to crash.

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