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Exploiting Hardcore Pool Corruptions in Microsoft Windows ...

Exploiting Hardcore Pool Corruptions in Microsoft Windows kernel Nikita Tarakanov Anonymous Developer Paris, NoSuchCon 2013 From KGB with love! Who the heck is Nikita Tarakanov? Former(?) KGB officer from MotherLand! Vulnerability Assassin Crazy Wild Russian Aligner of stars Отморозок на Nightmare Nice dude Agenda Introduction/ kernel Pool Basics Previous research DKOHM Conclusion Q&A Introduction Many modern popular applications have sandbox Sandboxes have low attack surface attacking kernel from the sandbox is convenient Untrusted -> r0 -> full compromise RULEZZZ (Nils (@nils) and Jon (@securitea) vs Google Chrome at pwn2own 2013) Introduction Most of vulnerabilities in MS kernel are memory Corruptions Most of them are Pool Corruptions MS enhances security of Pool Allocator Windows 7 Safe unlinking Windows 8 almost every technique is dead kernel Pool research MUST READ Following slides are basics (copy&paste aka plagiarism of previous work)

Exploiting Hardcore Pool Corruptions in Microsoft Windows Kernel Nikita Tarakanov Anonymous Developer Paris, NoSuchCon 2013 ... •Attacking kernel from the sandbox is convenient •Untrusted -> r0 -> full compromise RULEZZZ (Nils (@nils) ... we will be pwning Windows Kernel Pool Corruptions . Q&A •Correct question – answer ...

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