def service_selection
      if @options[:service] == 'list'
        return print_message("Service Types:\n- FTP\n- SSH\n- TELNET\n- SNMP")
      end
      @service = ssh_session if @options[:service] == "SSH".downcase

    end

		def pass_service_session
			@password_number = 1
			@user_number = 1
			@user.each do |user|
				@wordlist.each do |password|
					user = user.chomp
					password = password.chomp
					ssh_session(user, password)
					@password_number += 1
				end
				@user_number += 1
			end
		end

		def ssh_session(user, password)
			begin
				state = Net::SSH.start(@options[:host].to_s, :password => password, :port => @options[:port], :username => user)
				if state.open?
					puts "Authentication successful with password: #{password}"
					exit 1
				end
			rescue Net::SSH::AuthenticationFailed
				puts "Authentication failed: Host => #{@host}, User => #{user}, Password => #{password}"
			end
		end

		def telnet_session(user, password)
		  # ...
		end

		def snmp_session(community)
	    # ...
	  end

	  def ftp_session(user, password)
	    # ...
    end