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Machine code and Shellcode

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Machine code and Shellcode

Machine code vs. Shellcode

In computer programming, machine code is computer code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). In hacking, a shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability.

Similarities between Machine code and Shellcode

Machine code and Shellcode have 8 things in common (in Unionpedia): Central processing unit, Fat binary, IA-32, Instruction set architecture, NOP (code), Operating system, Self-modifying code, X86.

Central processing unit

A central processing unit (CPU), also called a central processor, main processor, or just processor, is the most important processor in a given computer.

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Fat binary

A fat binary (or multiarchitecture binary) is a computer executable program or library which has been expanded (or "fattened") with code native to multiple instruction sets which can consequently be run on multiple processor types.

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IA-32

IA-32 (short for "Intel Architecture, 32-bit", commonly called i386) is the 32-bit version of the x86 instruction set architecture, designed by Intel and first implemented in the 80386 microprocessor in 1985.

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Instruction set architecture

In computer science, an instruction set architecture (ISA) is an abstract model that generally defines how software controls the CPU in a computer or a family of computers.

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NOP (code)

In computer science, a NOP, no-op, or NOOP (pronounced "no op"; short for no operation) is a machine language instruction and its assembly language mnemonic, programming language statement, or computer protocol command that does nothing.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.

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Self-modifying code

In computer science, self-modifying code (SMC or SMoC) is code that alters its own instructions while it is executing – usually to reduce the instruction path length and improve performance or simply to reduce otherwise repetitively similar code, thus simplifying maintenance.

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X86

x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel based on the 8086 microprocessor and its 8-bit-external-bus variant, the 8088.

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The list above answers the following questions

Machine code and Shellcode Comparison

Machine code has 140 relations, while Shellcode has 55. As they have in common 8, the Jaccard index is 4.10% = 8 / (140 + 55).

References

This article shows the relationship between Machine code and Shellcode. To access each article from which the information was extracted, please visit: