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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File permissions and ownership

Earlier in this chapter, you may have noticed a string that looked similar to drwxr-xr-x in the output of the ls -l command. This represents the permissions of a file or directory. Linux filesystem permissions are like the rules at a playground. They determine who can play on the swings (access files), who can invite friends to play (change permissions), and who can set rules (ownership). Understanding these permissions is crucial for anyone looking to manage a Linux system effectively. Let’s break it down into simple terms, including the use of chown, chmod, SUID, and SGID.

Ownership and groups

Every file and directory in Linux has an owner and a group associated with it. Think of the owner as the parent who has control over their child’s toy and the group as selected friends who can play with it under certain conditions. The following description may help:

Owner: The user who has control over the file or directory
Group...