February 2012
Intermediate to advanced
800 pages
23h 55m
English
Content preview from Practical Malware AnalysisBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 21. 64-Bit Malware
Almost all current malware is 32-bit, but some is written for the 64-bit architecture in order to interact with 64-bit OSs. As 64-bit OSs become more popular, so will 64-bit malware.
Several 64-bit architectures have been introduced. The first to be supported by Windows, Itanium, was designed for performance computing and was not compatible with x86. AMD later introduced a 64-bit architecture called AMD64, which was compatible with x86 code. Intel adopted AMD64 and called its implementation EM64T. This architecture is now known as x64, or x86-64, and it is the most popular implementation of 64-bit code on Windows. All current Windows versions are available in 64-bit versions, which support both 64-bit and 32-bit applications. ...
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