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Bochspwn Reloaded: Detecting Kernel Memory Disclosure …

Bochspwn ReloadedDetecting Kernel Memory Disclosure with x86 Emulation and Taint TrackingMateusz j00ru JurczykREcon2017, MontrealAlternative title (cheers Alex Ionescu!) Memory Disclosure Alternative titleKERNELBLEEDA genda User Kernel communication pitfalls in modern operating systems Introduction to Bochspwn reloaded Detecting Kernel information Disclosure with software x86 emulation Approaches, results and exploitation Microsoft windows Linux Future work and conclusionsBio Project Zero @ Google CTF Player @ Dragon Sector Low-level security researcher with interest in all sorts of vulnerability research and software exploitation. @j00ruUser Kernel communicationOS design fundamentals User applications run independently of other programs / the Kernel . Whenever they want to interact with the system, they call into the Kernel .

•One real-life example is a Windows kernel exploit found in the HackingTeam dump in July 2015 (CVE-2015-2433, MS15-080). •Pool memory disclosure leaking base address of win32k.sys.

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  Memory, Windows, Disclosures, Detecting, Kernel, Reloaded, Windows kernel, Bochspwn reloaded, Bochspwn, Detecting kernel memory disclosure

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