To use the script demonstrated in this recipe, you will need to have access to systems running web services. In the example provided, there are two boxes running Metasploitable and two running Windows XP. For more information on setting up Metasploitable and Windows XP systems, refer to the Installing Metasploitable2 and Installing Windows server recipes in Chapter 1, 
Getting Started. Additionally, this section will require a script to be written to the filesystem by using a text editor such as Vim or GNU nano. For more information on writing scripts, refer to the Using text editors (Vim and GNU nano) recipe in Chapter 1, Getting Started.