send_socket.py

import socket
import argparse
def send_shellcode(sock, shellcode):
    print("Sending shellcode...")
#   Remove the next lines hashtag to print 'hello world' instead of the default
#   shellcode = b"\x68\x65\x6C\x6C\x6F\x20\x77\x6F\x72\x6C\x64"
    sock.sendall(shellcode)
def parse_shellcode(shellcode_str):
    if shellcode_str.startswith('"') and shellcode_str.endswith('"'):
        shellcode_str = shellcode_str[1:-1]    
    shellcode_bytes = shellcode_str.encode().decode('unicode_escape').encode('latin1')   
    return shellcode_bytes 
if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="send shellcode to a target socket (ip and port)")
    parser.add_argument("-i", "--ip",        type=str, default="127.0.0.1",         help="target ip address (default: 127.0.0.1)")
    parser.add_argument("-p", "--port",      type=int, default=1111,                help="target tcp socket port (default: 1111)")
    parser.add_argument("-s", "--shellcode", required=False, type=str, default="\\x46\\x31\\x33",   help="shellcode hex to send in format: \\x00\\x00\\x00\\...etc (default: F13)")      
    args, unknown = parser.parse_known_args()
    target_ip = args.ip
    target_port = args.port
    shellcode = parse_shellcode(args.shellcode) if args.shellcode else default_shellcode
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
        sock.connect((target_ip, target_port))
        send_shellcode(sock, shellcode)