Book Image

Learn Ethical Hacking from Scratch

By : Sabih
5 (1)
Book Image

Learn Ethical Hacking from Scratch

5 (1)
By: Sabih

Overview of this book

This book starts with the basics of ethical hacking, how to practice hacking safely and legally, and how to install and interact with Kali Linux and the Linux terminal. You will explore network hacking, where you will see how to test the security of wired and wireless networks. You’ll also learn how to crack the password for any Wi-Fi network (whether it uses WEP, WPA, or WPA2) and spy on the connected devices. Moving on, you will discover how to gain access to remote computer systems using client-side and server-side attacks. You will also get the hang of post-exploitation techniques, including remotely controlling and interacting with the systems that you compromised. Towards the end of the book, you will be able to pick up web application hacking techniques. You'll see how to discover, exploit, and prevent a number of website vulnerabilities, such as XSS and SQL injections. The attacks covered are practical techniques that work against real systems and are purely for educational purposes. At the end of each section, you will learn how to detect, prevent, and secure systems from these attacks.
Table of Contents (24 chapters)
22
Discovering Vulnerabilities Automatically Using OWASP ZAP

Handshake theory

In the previous section, we saw how we can use the WPS feature in routers to crack the WPA key. This process is guaranteed to work on every WPS-enabled network; therefore, if your target uses WPA or WPA2 encryption and has WPS enabled, that should be the first method you try to crack the password with. If WPS is not enabled, however, we have to crack the actual WPA key. As we explained in the section on WPS cracking, in WPA, each packet is encrypted using a unique, temporary key, it's not like WEP, where IVs are repeated and we collect a large number of data packets with the same IVs. In each WPA packet, there is a temporary unique IV, even if we collect one million packets, these packets will not be useful for us—they do not contain any information that can help us determine the actual WPA key.

The only packets that contain information that can help...