posted by Thom Holwerda on Fri 20th Oct 2006 14:35 UTC
IconMicrosoft has blocked the attack vector used to slip unsigned drivers past new security policies being implemented in Windows Vista, according to Joanna Rutkowska, the stealth malware researcher who created the exploit. Rutkowska, who demonstrated the exploit at the Black Hat conference in August, said she tested the attack against Windows Vista RC2 x64 and found that the exploit doesn't work anymore. "The reason: Vista RC2 now blocks write-access to raw disk sectors for user mode applications, even if they are executed with elevated administrative rights," Rutkowska wrote on her Invisible Things blog.
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