Brainstorm fuzz.py

fuzz.py

import sys, socket, time

ip = '127.0.0.1'
port = 9999
buffer = "A"
counter = 100

while counter <= 3000:
    buffer = "A" * counter
    counter = counter + 100
    try:

        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.settimeout(5)
        s.connect((ip, port))
        
        #initial welcome message
        tmp = s.recv(1024)   

        #send username
        user = "Jayateertha\r\n"
        s.send(user.encode())

        #Receive reply
        tmp = s.recv(1024)


        print("sending "+str(len(buffer)) + " bytes")

        #send message
        buffer = buffer + "\r\n"
        s.send(buffer.encode())

    
    except:
        print("Exception, connection closed")       
        s.close()
        os.exit(1) 
    finally:
        time.sleep(0.5)
        s.close()