June 2019
Beginner to intermediate
660 pages
14h 30m
English
Content preview from The Complete Metasploit Guide
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Relevance of NOPs
NOPs or NOP-sled are No Operation instructions that merely slide the program execution to the next memory address. We use NOPs to reach the desired place in the memory addresses. We supply NOPs commonly before the start of the shellcode to ensure its successful execution in the memory while performing no operations and just sliding through the memory addresses. The \x90 instruction represents a NOP instruction in the hexadecimal format.
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