Step 1: Download & Install Tamper Data
Before we start with THC-Hydra, let's install another tool that complements THC-Hydra. This tool is known as "Tamper Data", and it is a plug-in for Mozilla's Firefox. Since our IceWeasel browser in Kali is built on the open source Firefox, it plugs equally well into Iceweasel.
Tamper Data enables us to capture and see the HTTP and HTTPS GET and POST information. In essense, Tamper Data is a web proxy similar to Burp Suite, but simpler and built right into our browser.
Tamper Data enables us to grab the information from the browser en route to the server and modify it. In addition, once we get into more sophisticated web attacks, it is crucial to know what fields and methods are being used by the web form, and Tamper Data can help us with that as well.
Let's download it from here and install it into Iceweasel.