3 # SPDX-License-Identifier: BSD-2-Clause
5 # Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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30 logging.getLogger("scapy").setLevel(logging.CRITICAL)
31 import scapy.all as sp
34 s = sp.conf.L2socket(iface=args.sendif[0])
36 # Set a src mac, to avoid doing lookups which really slow us down.
37 ether = sp.Ether(src='01:02:03:04:05')
38 ip = sp.IP(dst=args.to[0])
39 for i in range(int(args.count[0])):
40 tcp = sp.TCP(flags='S', sport=1+i, dport=22, seq=500+i)
41 pkt = ether / ip / tcp
45 parser = argparse.ArgumentParser("pft_synflood.py",
46 description="SYN flooding tool")
47 parser.add_argument('--sendif', nargs=1,
49 help='The interface through which the packet(s) will be sent')
50 parser.add_argument('--to', nargs=1,
52 help='The destination IP address for the SYN packets')
53 parser.add_argument('--count', nargs=1,
55 help='The number of packets to send')
57 args = parser.parse_args()
61 if __name__ == '__main__':