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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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  # Exploit mixins should be called first
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  include Msf::Exploit::Remote::SMB::Client
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  include Msf::Exploit::Remote::SMB::Client::Authenticated
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  include Msf::Exploit::Remote::SMB::Client::LocalPaths
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  include Msf::Exploit::Remote::SMB::Client::RemotePaths
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  include Msf::Auxiliary::Report
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  include Msf::Auxiliary::Scanner
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  include Msf::OptionalSession::SMB
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  def initialize
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    super(
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      'Name'        => 'SMB File Upload Utility',
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      'Description' => %Q{
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        This module uploads a file to a target share and path. The only reason
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      to use this module is if your existing SMB client is not able to support the features
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      of the Metasploit Framework that you need, like pass-the-hash authentication.
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      },
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      'Author'      =>
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        [
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          'hdm'    # metasploit module
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        ],
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      'References'  =>
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        [
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        ],
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      'License'     => MSF_LICENSE,
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    )
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    register_options([
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      OptString.new('SMBSHARE', [true, 'The name of a writeable share on the server', 'C$'])
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    ])
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  end
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  def run_host(_ip)
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    validate_lpaths!
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    validate_rpaths!
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    begin
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      if session
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        print_status("Using existing session #{session.sid}")
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        client = session.client
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        self.simple = ::Rex::Proto::SMB::SimpleClient.new(client.dispatcher.tcp_socket, client: client)
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      else
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        vprint_status("Connecting to the server...")
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        connect
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        smb_login()
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      end
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      vprint_status("Mounting the remote share \\\\#{simple.address}\\#{datastore['SMBSHARE']}'...")
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      self.simple.connect("\\\\#{simple.address}\\#{datastore['SMBSHARE']}")
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      remote_path = remote_paths.first
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      if local_paths.nil?
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        print_error("Local paths not specified")
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        return
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      end
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      local_paths.each do |local_path|
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        begin
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          vprint_status("Trying to upload #{local_path} to #{remote_path}...")
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          fd = simple.open("#{remote_path}", 'wct', write: true)
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          data = ::File.read(datastore['LPATH'], ::File.size(datastore['LPATH']), mode: 'rb')
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          fd.write(data)
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          fd.close
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          print_good("#{local_path} uploaded to #{remote_path}")
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        rescue Rex::Proto::SMB::Exceptions::ErrorCode => e
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          elog("Unable to upload #{local_path} to #{remote_path}", error: e)
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          print_error("Unable to upload #{local_path} to #{remote_path} : #{e.message}")
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        end
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      end
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    rescue Rex::Proto::SMB::Exceptions::LoginError => e
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      elog("Unable to login:", error: e)
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      print_error("Unable to login: #{e.message}")
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    end
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  end
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end
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