Binary Exploitation Basic Shellcode

binary_exploitation_shellcode_execution.py

import subprocess
import sys

def main():
    try:
        with open('shellcode.bin', 'rb') as f:
            shellcode = f.read()
    except FileNotFoundError:
        print("Error: 'shellcode.bin' not found. Make sure you have assembled 'shellcode.asm' using NASM.")
        sys.exit(1)

    challenge_path = '/challenge/binary-exploitation-basic-shellcode'

    try:
        proc = subprocess.Popen([challenge_path], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        stdout, stderr = proc.communicate(shellcode)

        print(stdout.decode())

        if stderr:
            print(stderr.decode(), file=sys.stderr)

    except Exception as e:
        print(f"Failed to run the challenge: {e}")
        sys.exit(1)

if __name__ == '__main__':
    main()