The script will use msfvenom (metasploit) to generate shellcode in diferent formats ( c | python | ruby | dll | msi | hta-psh ), injects the shellcode generated into one funtion (example: python) "the python funtion will execute the shellcode in ram" and uses compilers like: gcc (gnu cross compiler) or mingw32 or pyinstaller to build the executable file, also starts a multi-handler to recibe the remote connection (reverse shell or meterpreter session).
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'shellcode generator' tool...
TinyLibs is a set of .Net dll files that make it easier to do common things. Each dll file is centered around clean code that is small and easy to use.
QB (Quellcode Bahn) is a software that manage the operations on the source of the programs you develop, with a versioned repository. QB manage the deploy of your program, taking it from the repository and putting it wherever you want with test phase.