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Showing posts with label
anti-malware
.
Show all posts
Showing posts with label
anti-malware
.
Show all posts
Monday, December 15, 2014
Using LBR (Last Branch Record) feature to detect ret2usr (return-to-user) attack w/ MMU paging structure corruption
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SMEP (Supervisor Mode Execution Prevention) is a mitigation that aims to prevent the CPU from running code from user-mode while in kernel-mo...
Tuesday, November 18, 2014
Page Table Structure Corruption Attacks - How to Mitigate it?
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On x86 and many other processor architectures (with MMU), page tables are critical data structures for address translations. And many hardwa...
Sunday, November 02, 2014
Security OS Design (cont.): Write Protection for Linux Kernel critical data structures (GDT, IDT, syscall table, task_strcture, mm_struct,...)
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To be continued for previous post , let me review what must be changed in Linux kernel in order to prevent buffer overrun/overflow attacks f...
Friday, February 21, 2014
Monitoring Windows OS scheduling events in a noninvasive way with Hardware Virtualization technology (Anti-Rootkit)
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A rootkit is a stealthy type of software, typically malicious, designed to hide the existence of itself or certain processes/programs from ...
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