TCP SYN Flooder - Metasploit


This page contains detailed information about how to use the auxiliary/dos/tcp/synflood metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

Table Of Contents
hide

Module Overview

Name: TCP SYN Flooder
Module: auxiliary/dos/tcp/synflood
Source code: modules/auxiliary/dos/tcp/synflood.rb
Disclosure date: -
Last modification time: 2017-07-24 06:26:21 +0000
Supported architecture(s): -
Supported platform(s): -
Target service / protocol: -
Target network port(s): 80
List of CVEs: -

A simple TCP SYN flooder

Module Ranking and Traits

Module Ranking:

  • normal: The exploit is otherwise reliable, but depends on a specific version and can't (or doesn't) reliably autodetect. More information about ranking can be found here.

Basic Usage

msf > use auxiliary/dos/tcp/synflood
msf auxiliary(synflood) > show targets
    ... a list of targets ...
msf auxiliary(synflood) > set TARGET target-id
msf auxiliary(synflood) > show options
    ... show and set options ...
msf auxiliary(synflood) > exploit

Required Options

  • RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'

Go back to menu.

Msfconsole Usage

Here is how the dos/tcp/synflood auxiliary module looks in the msfconsole:

msf6 > use auxiliary/dos/tcp/synflood

msf6 auxiliary(dos/tcp/synflood) > show info

       Name: TCP SYN Flooder
     Module: auxiliary/dos/tcp/synflood
    License: Metasploit Framework License (BSD)
       Rank: Normal

Provided by:
  kris katterjohn <[email protected]>

Check supported:
  No

Basic options:
  Name       Current Setting  Required  Description
  ----       ---------------  --------  -----------
  INTERFACE                   no        The name of the interface
  NUM                         no        Number of SYNs to send (else unlimited)
  RHOSTS                      yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
  RPORT      80               yes       The target port
  SHOST                       no        The spoofable source address (else randomizes)
  SNAPLEN    65535            yes       The number of bytes to capture
  SPORT                       no        The source port (else randomizes)
  TIMEOUT    500              yes       The number of seconds to wait for new data

Description:
  A simple TCP SYN flooder

Module Options

This is a complete list of options available in the dos/tcp/synflood auxiliary module:

msf6 auxiliary(dos/tcp/synflood) > show options

Module options (auxiliary/dos/tcp/synflood):

   Name       Current Setting  Required  Description
   ----       ---------------  --------  -----------
   INTERFACE                   no        The name of the interface
   NUM                         no        Number of SYNs to send (else unlimited)
   RHOSTS                      yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
   RPORT      80               yes       The target port
   SHOST                       no        The spoofable source address (else randomizes)
   SNAPLEN    65535            yes       The number of bytes to capture
   SPORT                       no        The source port (else randomizes)
   TIMEOUT    500              yes       The number of seconds to wait for new data

Advanced Options

Here is a complete list of advanced options supported by the dos/tcp/synflood auxiliary module:

msf6 auxiliary(dos/tcp/synflood) > show advanced

Module advanced options (auxiliary/dos/tcp/synflood):

   Name                Current Setting  Required  Description
   ----                ---------------  --------  -----------
   GATEWAY_PROBE_HOST  8.8.8.8          yes       Send a TTL=1 random UDP datagram to this host to discover the default gateway's MAC
   GATEWAY_PROBE_PORT                   no        The port on GATEWAY_PROBE_HOST to send a random UDP probe to (random if 0 or unset)
   SECRET              1297303073       yes       A 32-bit cookie for probe requests.
   VERBOSE             false            no        Enable detailed status messages
   WORKSPACE                            no        Specify the workspace for this module

Auxiliary Actions

This is a list of all auxiliary actions that the dos/tcp/synflood module can do:

msf6 auxiliary(dos/tcp/synflood) > show actions

Auxiliary actions:

   Name  Description
   ----  -----------

Evasion Options

Here is the full list of possible evasion options supported by the dos/tcp/synflood auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):

msf6 auxiliary(dos/tcp/synflood) > show evasion

Module evasion options:

   Name  Current Setting  Required  Description
   ----  ---------------  --------  -----------

Go back to menu.

Go back to menu.

See Also

Check also the following modules related to this module:

Authors

kris katterjohn

Version

This page has been produced using Metasploit Framework version 6.1.27-dev. For more modules, visit the Metasploit Module Library.

Go back to menu.