Class: Rex::Post::Meterpreter::Ui::Console::CommandDispatcher::Lanattacks::Dhcp

Inherits:
Object
  • Object
show all
Includes:
Rex::Post::Meterpreter::Ui::Console::CommandDispatcher
Defined in:
lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb

Overview

The DHCP portion of the lanattacks extension.

Constant Summary collapse

Klass =
Console::CommandDispatcher::Lanattacks::Dhcp
@@dhcp_start_opts =
Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ])
@@dhcp_stop_opts =
Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ])
@@dhcp_reset_opts =
Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ])
@@dhcp_set_option_opts =
Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ])
@@dhcp_set_option_valid_options =
[
  "BROADCAST", "DHCPIPEND", "DHCPIPSTART", "DNSSERVER",
  "FILENAME", "HOSTNAME", "HOSTSTART", "NETMASK",
  "PXE", "PXECONF", "ROUTER", "SERVEONCE", "SRVHOST"
]
@@dhcp_load_options_opts =
Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ])
@@dhcp_log_opts =
Rex::Parser::Arguments.new(
"-h" => [ false, "Help banner." ])

Instance Attribute Summary

Attributes included from Ui::Text::DispatcherShell::CommandDispatcher

#shell, #tab_complete_items

Instance Method Summary collapse

Methods included from Rex::Post::Meterpreter::Ui::Console::CommandDispatcher

check_hash, #client, #initialize, #log_error, #msf_loaded?, set_hash

Methods included from Ui::Text::DispatcherShell::CommandDispatcher

#cmd_help, #cmd_help_help, #cmd_help_tabs, #deprecated_cmd, #deprecated_commands, #deprecated_help, #help_to_s, #initialize, #print, #print_error, #print_good, #print_line, #print_status, #print_warning, #tab_complete_filenames, #update_prompt

Instance Method Details

#cmd_dhcp_load_options(*args) ⇒ Object


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 187

def cmd_dhcp_load_options(*args)
  @@dhcp_set_option_opts.parse(args) { |opt, idx, val|
    case opt
    when '-h'
      print_dhcp_set_option_usage
      return true
    end
  }

  if args.length < 1
    print_dhcp_load_options_usage
    return true
  end

  datastore = args.shift

  if not datastore.is_a?(Hash)
    print_dhcp_load_options_usage
    return true
  end

  client.lanattacks.dhcp.load_options(datastore)
end

#cmd_dhcp_log(*args) ⇒ Object


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 220

def cmd_dhcp_log(*args)
  @@dhcp_log_opts.parse(args) { |opt, idx, val|
    case opt
    when '-h'
      print_dhcp_log_usage
      return true
    end
  }

  log = client.lanattacks.dhcp.log

  table = Rex::Ui::Text::Table.new(
    'Header'    => 'DHCP Server Log',
    'Indent'    => 0,
    'SortIndex' => 0,
    'Columns'   => [ 'MAC Address', 'IP Address' ]
  )

  log.each { |l|
    table << [ l[:mac], l[:ip] ]
  }

  print_line
  print_line( table.to_s )
  print_line( "Total log entries: #{log.length}" )
  print_line
end

#cmd_dhcp_reset(*args) ⇒ Object


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 118

def cmd_dhcp_reset(*args)
  @@dhcp_reset_opts.parse(args) { |opt, idx, val|
    case opt
    when '-h'
      print_dhcp_reset_usage
      return true
    end
  }

  print_status( "Resetting DHCP server ...")
  client.lanattacks.dhcp.reset
  print_good( "DHCP server reset.")
end

#cmd_dhcp_set_option(*args) ⇒ Object


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 149

def cmd_dhcp_set_option(*args)
  @@dhcp_set_option_opts.parse(args) { |opt, idx, val|
    case opt
    when '-h'
      print_dhcp_set_option_usage
      return true
    end
  }

  if args.length < 2
    print_dhcp_set_option_usage
    return true
  end


  name = args.shift.upcase
  value = args.shift

  if not @@dhcp_set_option_valid_options.include? name
    print_error( "Invalid option name '#{name}'." )
    return true
  end

  client.lanattacks.dhcp.set_option(name, value)
end

#cmd_dhcp_start(*args) ⇒ Object


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 72

def cmd_dhcp_start(*args)
  @@dhcp_start_opts.parse(args) { |opt, idx, val|
    case opt
    when '-h'
      print_dhcp_start_usage
      return true
    end
  }

  print_status( "Starting DHCP server ...")
  client.lanattacks.dhcp.start
  print_good( "DHCP server startd.")
end

#cmd_dhcp_stop(*args) ⇒ Object


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 95

def cmd_dhcp_stop(*args)
  @@dhcp_stop_opts.parse(args) { |opt, idx, val|
    case opt
    when '-h'
      print_dhcp_stop_usage
      return true
    end
  }

  print_status( "Stopping DHCP server ...")
  client.lanattacks.dhcp.stop
  print_good( "DHCP server stopped.")
end

#commandsObject

List of supported commands.


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 23

def commands
  all = {
    "dhcp_start"        => "Start the DHCP server",
    "dhcp_stop"         => "Stop the DHCP server",
    "dhcp_reset"        => "Reset the DHCP server",
    "dhcp_set_option"   => "Set a DHCP server option",
    "dhcp_load_options" => "Load DHCP optionis from a datastore",
    "dhcp_log"          => "Log DHCP server activity"
  }

  reqs = {
    "dhcp_start"        => [ "lanattacks_start_dhcp" ],
    "dhcp_stop"         => [ "lanattacks_stop_dhcp" ],
    "dhcp_reset"        => [ "lanattacks_reset_dhcp" ],
    "dhcp_set_option"   => [ "lanattacks_set_dhcp_option" ],
    "dhcp_load_options" => [ "lanattacks_set_dhcp_option" ],
    "dhcp_log"          => [ "lanattacks_dhcp_log" ]
  }

  all.delete_if do |cmd, desc|
    del = false
    reqs[cmd].each do |req|
      next if client.commands.include? req
      del = true
      break
    end

    del
  end

  all
end

#nameObject

Name for this dispatcher.


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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 59

def name
  "Lanattacks: DHCP"
end

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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 178

def print_dhcp_load_options_usage
  print("dhcp_load_options <datastore> [-h]\n\n" +
        "Load settings from a datstore to the active DHCP server.\n\n" +
        "The datastore must be a hash of name/value pairs.\n" +
        "Valid names are:\n" +
        @@dhcp_set_option_valid_options.map {|o| "  - #{o}\n" }.join('') +
        @@dhcp_set_option_opts.usage + "\n")
end

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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 214

def print_dhcp_log_usage
  print("dhcp_log [-h]\n\n" +
        "Logs the DHCP operations captured by the DHCP server.\n" +
        @@dhcp_log_opts.usage + "\n")
end

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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 112

def print_dhcp_reset_usage
  print("dhcp_reset [-h]\n\n" +
        "Resets the currently running DHCP server.\n" +
        @@dhcp_reset_opts.usage + "\n")
end

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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 141

def print_dhcp_set_option_usage
  print("dhcp_set_option <name> <value> [-h]\n\n" +
        "Set a DHCP server option.\n\n" +
        "Valid names are:\n" +
        @@dhcp_set_option_valid_options.map {|o| "  - #{o}\n" }.join('') +
        @@dhcp_set_option_opts.usage + "\n")
end

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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 66

def print_dhcp_start_usage
  print("dhcp_start [-h]\n\n" +
        "Starts a DHCP server in the current Meterpreter session.\n" +
        @@dhcp_start_opts.usage + "\n")
end

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# File 'lib/rex/post/meterpreter/ui/console/command_dispatcher/lanattacks/dhcp.rb', line 89

def print_dhcp_stop_usage
  print("dhcp_stop [-h]\n\n" +
        "Stops the currently running DHCP server.\n" +
        @@dhcp_stop_opts.usage + "\n")
end