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New boot firmware a step toward 64-bit Windows RT A standards organization has created a boot environment for tablets and PCs that could potentially run a 64-bit version of Windows RT. |
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x64 Assembly and C++ Tutorial 61: AVX Negate 128bpp Image Big thank you to all who've sent in Imogen plugins, they're excellent, Keep em' coming folks! This tutorial we'll look at some of the...
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Kali Linux 64bit In VMware - Installation Walkthrough / How-to The purpose of this video is to demonstrate a basic installation of Kali Linux from Offensive Security in a new Virtual Machine guest...
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Monday, 02 April 2012 19:35
Security vendor NoVirusThanks has released SSDT View, a 64-bit (only) tool that can show you the contents of your System Service Descriptor Table, perhaps highlighting changes made by rootkits and other stealthy malware.
There are of course plenty of antirootkit tools around that can do something similar, and a whole lot more, but these are generally aimed at Windows experts. SSDT View is safer, and far simpler, which makes the program accessible to a far wider audience.
What’s the SSDT? Whenever Windows or one of your applications wants to carry out some action -- check the Registry, read or write a file, launch or close a process, and so on -- then this will usually result in Windows calling a service in the System Service Descriptor Table. Writing to a file will call the NtWriteFile service to do the actual work, for instance; on our test PC that entry points to memory address 0xFFFF:F800:0356:B210, which is within the module C:\Windows\system32\ntoskrnl.exe – the Windows kernel.
