Shellsploit let’s you generate customized shellcodes, backdoors, injectors for various operating system. And let’s you obfuscation every byte via encoders.
Dependencies:

sudo pip install capstone
sudo pip install readline(Not necessary for windows coz preinstalled in shellsploit)
sudo pip install pefile
sudo pip install colorama
sudo pip install pylzma

Installation:
Pip works on both windows/nix machines without problem. Now you are ready to install:

python setup.py --s/ --setup install 
chmod +x shellsploit (if you are using windows just pass this step)
./shellsploit

Uninstallation:

python setup.py --s/--setup uninstall

I DONT WANT INSTALL THIS
Then don’t.You can use shellsploit without install.

cd shellsploit-framework
python shellsploit.py or python3 shellsploit.py

Usage:

usage: shellsploit  [-l] [-p] [-o] [-n]
                        [--host] [--port]
optional arguments:
       -l, --list           Show  list of backdoors,shellcodes,encoders,injectors
       -p, --payload        Set payload for usage
       -n, -nc              Declare netcat for usage
       --host               The connect/listen address
       --port               The connect/listen port 
Inline arguments:
    Main Menu:
        help                Help menu
        os                  Command directly ur computer
        use                 Select Module For Use
        clear               Clear the menu
        show modules        Show Modules of Current Database
        show backdoors      Show Backdoors of Current Database
        show injectors      Show Injectors(Shellcode,dll,so etc..)
    Shellcode Menu:
        back                Exit Current Module
        set                 Set Value Of Options To Modules
        ip                  Get IP address(Requires net connection)
        os                  Command directly ur computer
        clear               Clear the menu
        disas               Disassembly the shellcode(Support : x86/x64)
        whatisthis          Learn which kind of shellcode it is
        iteration           Encoder iteration time
        generate            Generate shellcode 
        output              Save option to shellcode(txt,py,c,cpp,exe)
        show encoders       List all obfucscation encoders
        show options        Show Current Options Of Selected Module
    Injector Menu:
        set                 Set Value Of Options To Modules
        help                Help menu
        back                Exit Current Module
        os                  Command directly ur computer
        pids                Get PID list of computer
        getpid              Get specific PID on list(Ex. getpid Python)

Bugs:
If you found bugs do not forget to report You can submit an issue, pull request, or even directly PM me through my email address.

Download at Github