Module: Msf::Auxiliary::IAX2

Defined in:
lib/msf/core/auxiliary/iax2.rb

Overview

This module provides methods for working with the IAX2 protocol

Instance Method Summary collapse

Instance Method Details

#cleanup ⇒ Object 



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# File 'lib/msf/core/auxiliary/iax2.rb', line 66

def cleanup
  super
  @iax.shutdown if @iax
end

#connect ⇒ Object 



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# File 'lib/msf/core/auxiliary/iax2.rb', line 36

def connect
  @iax.shutdown if @iax
  @iax = Rex::Proto::IAX2::Client.new(
    :server_host    => datastore['IAX_HOST'],
    :username       => datastore['IAX_USER'],
    :password       => datastore['IAX_PASS'],
    :caller_name    => datastore['IAX_CID_NAME'],
    :caller_number  => datastore['IAX_CID_NUMBER'],
    :debugging      => datastore['IAX_DEBUG'],
    :context        => {
      'Msf'        => framework,
      'MsfExploit' => self
    }
  )
  @iax_reg = @iax.create_call()
  r = @iax_reg.register
  if not r
    @iax.shutdown
    @iax = nil
    raise RuntimeError, "Failed to register with the server"
  end
end

#crack_phone_range(range) ⇒ Object

General purpose phone number mangling routines Convert 123456XXXX to an array of expanded numbers



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# File 'lib/msf/core/auxiliary/iax2.rb', line 73

def crack_phone_range(range)
  crack_phone_ranges([range])
end

#crack_phone_ranges(masks) ⇒ Object 



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# File 'lib/msf/core/auxiliary/iax2.rb', line 77

def crack_phone_ranges(masks)
  res = {}
  masks.each do |mask|
    mask = mask.strip

    if(mask.index(':'))
      next if mask.index('X')
      rbeg,rend = mask.split(':').map{|c| c.gsub(/[^\d]/, '').to_i }
      rbeg.upto(rend) do |n|
        res[n.to_s] = {}
      end
      next
    end

    incdigits = 0
    mask.each_char do |c|
      incdigits += 1 if c =~ /^[X#]$/i
    end

    max = (10**incdigits)-1

    (0..max).each do |num|
      number = mask.dup # copy the mask
      numstr = sprintf("%0#{incdigits}d", num) # stringify our incrementing number
      j = 0 # index for numstr
      for i in 0..number.length-1 do # step through the number (mask)
        if number[i].chr =~ /^[X#]$/i
          number[i] = numstr[j] # replaced masked indexes with digits from incrementing number
          j += 1
        end
      end
      res[number] = {}
    end

  end

  return res.keys.sort
end

#create_call ⇒ Object 



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# File 'lib/msf/core/auxiliary/iax2.rb', line 59

def create_call
  if not @iax
    raise RuntimeError, "No active IAX2 connection"
  end
  @iax.create_call
end

#initialize(info = {}) ⇒ Object

Initializes an instance of an auxiliary module that uses IAX2



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# File 'lib/msf/core/auxiliary/iax2.rb', line 16

def initialize(info = {})
  super

  register_options(
    [
      OptAddress.new('IAX_HOST', [true, 'The IAX2 server to communicate with']),
      OptPort.new('IAX_PORT',    [true, 'The IAX2 server port', 4569]),
      OptString.new('IAX_USER',  [false, 'An optional IAX2 username']),
      OptString.new('IAX_PASS',  [false, 'An optional IAX2 password']),
      OptString.new('IAX_CID_NAME',  [false, 'The default caller ID name', '']),
      OptString.new('IAX_CID_NUMBER',  [true, 'The default caller ID number', '15555555555'])
    ], Msf::Auxiliary::IAX2 )

  register_advanced_options(
    [
      OptBool.new('IAX_DEBUG', [false, 'Enable IAX2 debugging messages', false])
    ], Msf::Auxiliary::IAX2 )

end