You're reading from Bash Shell Scripting for Pentesters Master the art of command-line exploitation and enhance your penetration testing workflows

Product type Paperback

Published in Dec 2024

Publisher Packt

ISBN-13 9781835880821

Length 402 pages

Edition 1st Edition

Concepts

Cybersecurity

Author (1):

Steve Campbell

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Table of Contents (22) Chapters

Preface

1. Part 1: Getting Started with Bash Shell Scripting

2. Chapter 1: Bash Command-Line and Its Hacking Environment FREE CHAPTER

3. Chapter 2: File and Directory Management

4. Chapter 3: Variables, Conditionals, Loops, and Arrays

5. Chapter 4: Regular Expressions

6. Chapter 5: Functions and Script Organization

7. Chapter 6: Bash Networking

8. Chapter 7: Parallel Processing

9. Part 2: Bash Scripting for Pentesting

10. Chapter 8: Reconnaissance and Information Gathering

11. Chapter 9: Web Application Pentesting with Bash

12. Chapter 10: Network and Infrastructure Pentesting with Bash

13. Chapter 11: Privilege Escalation in the Bash Shell

14. Chapter 12: Persistence and Pivoting

15. Chapter 13: Pentest Reporting with Bash

16. Part 3: Advanced Applications of Bash Scripting for Pentesting

17. Chapter 14: Evasion and Obfuscation

18. Chapter 15: Interfacing with Artificial Intelligence

19. Chapter 16: DevSecOps for Pentesters

20. Index

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Networking basics with Bash

Alright, let’s dive into understanding Internet Protocol (IP) addresses and subnets. There are two types of IP addresses: IP Version 4 (IPv4) and IPv6. You’ll usually be working with IPv4 addresses, but it helps to know the basics of both.

IP addresses are like street addresses. They help devices communicate with each other over a network. An IP address is a unique number assigned to each device connected to a network.

Understanding IP addresses and subnets (IPv4)

IPv4 is the fourth version of the IP. It is the most widely used version of the IP in the world today. IPv4 addresses are 32-bit numerical values expressed in four octets separated by periods. Each octet can range from 0 to 255, making up a total of over four billion unique addresses.

An IPv4 address consists of four sections separated by periods. Here is an example of an IPv4 address: 192.168.1.1. Let’s break it down for you: