WPAD.dat File Server - Metasploit


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

Table Of Contents
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Module Overview

Name: WPAD.dat File Server
Module: auxiliary/server/wpad
Source code: modules/auxiliary/server/wpad.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): -
List of CVEs: -

This module generates a valid wpad.dat file for WPAD mitm attacks. Usually this module is used in combination with DNS attacks or the 'NetBIOS Name Service Spoofer' module. Please remember as the server will be running by default on TCP port 80 you will need the required privileges to open that port.

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/server/wpad
msf auxiliary(wpad) > exploit

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Msfconsole Usage

Here is how the server/wpad auxiliary module looks in the msfconsole:

msf6 > use auxiliary/server/wpad

msf6 auxiliary(server/wpad) > show info

       Name: WPAD.dat File Server
     Module: auxiliary/server/wpad
    License: Metasploit Framework License (BSD)
       Rank: Normal

Provided by:
  et <[email protected]>

Check supported:
  No

Basic options:
  Name            Current Setting  Required  Description
  ----            ---------------  --------  -----------
  EXCLUDENETMASK  255.255.255.0    yes       Netmask to exclude
  EXCLUDENETWORK  127.0.0.1        yes       Network to exclude
  PROXY           0.0.0.0          yes       Proxy to redirect traffic to
  PROXYPORT       8080             yes       Proxy port
  SRVHOST         0.0.0.0          yes       The local host or network interface to listen on. This must be an address on the local machine or 0.0.0.0 to listen on all addresses.
  SRVPORT         80               yes       The local port to listen on.
  SSL             false            no        Negotiate SSL for incoming connections
  SSLCert                          no        Path to a custom SSL certificate (default is randomly generated)

Description:
  This module generates a valid wpad.dat file for WPAD mitm attacks. 
  Usually this module is used in combination with DNS attacks or the 
  'NetBIOS Name Service Spoofer' module. Please remember as the server 
  will be running by default on TCP port 80 you will need the required 
  privileges to open that port.

Module Options

This is a complete list of options available in the server/wpad auxiliary module:

msf6 auxiliary(server/wpad) > show options

Module options (auxiliary/server/wpad):

   Name            Current Setting  Required  Description
   ----            ---------------  --------  -----------
   EXCLUDENETMASK  255.255.255.0    yes       Netmask to exclude
   EXCLUDENETWORK  127.0.0.1        yes       Network to exclude
   PROXY           0.0.0.0          yes       Proxy to redirect traffic to
   PROXYPORT       8080             yes       Proxy port
   SRVHOST         0.0.0.0          yes       The local host or network interface to listen on. This must be an address on the local machine or 0.0.0.0 to listen on all addresses.
   SRVPORT         80               yes       The local port to listen on.
   SSL             false            no        Negotiate SSL for incoming connections
   SSLCert                          no        Path to a custom SSL certificate (default is randomly generated)

Advanced Options

Here is a complete list of advanced options supported by the server/wpad auxiliary module:

msf6 auxiliary(server/wpad) > show advanced

Module advanced options (auxiliary/server/wpad):

   Name            Current Setting  Required  Description
   ----            ---------------  --------  -----------
   ListenerComm                     no        The specific communication channel to use for this service
   SSLCipher                        no        String for SSL cipher spec - "DHE-RSA-AES256-SHA" or "ADH"
   SSLCompression  false            no        Enable SSL/TLS-level compression
   SendRobots      false            no        Return a robots.txt file if asked for one
   URIHOST                          no        Host to use in URI (useful for tunnels)
   URIPORT                          no        Port to use in URI (useful for tunnels)
   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 server/wpad module can do:

msf6 auxiliary(server/wpad) > show actions

Auxiliary actions:

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

Evasion Options

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

msf6 auxiliary(server/wpad) > show evasion

Module evasion options:

   Name                      Current Setting  Required  Description
   ----                      ---------------  --------  -----------
   HTML::base64              none             no        Enable HTML obfuscation via an embeded base64 html object (IE not supported) (Accepted: none, plain, single_pad, double_pad, random_space_injection)
   HTML::javascript::escape  0                no        Enable HTML obfuscation via HTML escaping (number of iterations)
   HTML::unicode             none             no        Enable HTTP obfuscation via unicode (Accepted: none, utf-16le, utf-16be, utf-16be-marker, utf-32le, utf-32be)
   HTTP::chunked             false            no        Enable chunking of HTTP responses via "Transfer-Encoding: chunked"
   HTTP::compression         none             no        Enable compression of HTTP responses via content encoding (Accepted: none, gzip, deflate)
   HTTP::header_folding      false            no        Enable folding of HTTP headers
   HTTP::junk_headers        false            no        Enable insertion of random junk HTTP headers
   HTTP::no_cache            false            no        Disallow the browser to cache HTTP content
   HTTP::server_name         Apache           yes       Configures the Server header of all outgoing replies
   TCP::max_send_size        0                no        Maximum tcp segment size.  (0 = disable)
   TCP::send_delay           0                no        Delays inserted before every send.  (0 = disable)

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Error Messages

This module may fail with the following error messages:

Error Messages

Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.

You need to have permission to bind to <SRVPORT>

Here is a relevant code snippet related to the "You need to have permission to bind to <SRVPORT>" error message:

75:	    # This should probably be added to the Http mixin's run method
76:	    begin
77:	      exploit
78:	    rescue Errno::EACCES => e
79:	      if e.message =~ /Permission denied - bind/
80:	        print_error("You need to have permission to bind to #{datastore['SRVPORT']}")
81:	      else
82:	        raise e
83:	      end
84:	    end
85:	  end

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See Also

Check also the following modules related to this module:

Authors

  • et

Version

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

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