Analyzing brute force attacks
Most of you must be aware of the popularity of brute force attacks. The chances of success are not high. Yet, many security professionals and malicious users implement their password-guessing ability with the help of modern tools. Brute force attack is just a way in which you try to log on to a particular service/application using the password dictionary that might have been created on the basis of the target's profile. Tools such as Cewl, Crunch, and John let you create dictionary files. Even you can salt the passwords. Discussing how to create one for yourself is out of the scope of this book, but I would recommend that you have a look at these tools (all of them come preinstalled with Kali Linux).
To analyze these common and malicious attacks, I will attempt to brute force two important services: Telnet and FTP. You might be aware of these two services and how much they are being used in corporate networking infrastructure. Telnet is used to perform...
