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# Short description
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shellcodeexec is a small script to execute in memory a sequence of opcodes.
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## Background
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Most of the shellcode launchers out there, including proof of concepts part of many "security" books, detail how to allocate a memory page as readable/writable/executable on POSIX systems, copy over your shellcode and execute it. This works just fine. However, it is limited to POSIX, does not necessarily consider 64-bit architecture and Windows systems.
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## Description
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shellcodeexec is an open source script to execute in memory a sequence of opcodes.
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This script and the relevant project files (Makefile and Visual Studio files) allow you to compile the tool once then run your shellcode across different architectures and operating systems.
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Moreover, it solves a common real world issue: the target system's anti virus software blocking a Metasploit-generated payload stager (either EXE of ELF). Take for instance the following command line:

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