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Ethical Password Cracking

You're reading from   Ethical Password Cracking Decode passwords using John the Ripper, hashcat, and advanced methods for password breaking

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Product type Paperback
Published in Jun 2024
Publisher Packt
ISBN-13 9781804611265
Length 168 pages
Edition 1st Edition
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Author (1):
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James Leyte-Vidal James Leyte-Vidal
Author Profile Icon James Leyte-Vidal
James Leyte-Vidal
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Toc

Table of Contents (17) Chapters Close

Preface 1. Part 1: Introduction and Setup
2. Chapter 1: Password Storage: Math, Probability, and Complexity FREE CHAPTER 3. Chapter 2: Why Crack When OSINT Will Do? 4. Chapter 3: Setting Up Your Password Cracking Environment 5. Chapter 4: John and Hashcat Rules 6. Part 2: Collection and Cracking
7. Chapter 5: Windows and macOS Password Cracking 8. Chapter 6: Linux Password Cracking 9. Chapter 7: WPA/WPA2 Wireless Password Cracking 10. Chapter 8: WordPress, Drupal, and Webmin Password Cracking 11. Chapter 9: Password Vault Cracking 12. Chapter 10: Cryptocurrency Wallet Passphrase Cracking 13. Part 3: Conclusion
14. Chapter 11: Protections against Password Cracking Attacks 15. Index 16. Other Books You May Enjoy

Summary

In this chapter, we took hashes from several major web-based CMSs and management products and put them through their paces. We saw that different applications could store passwords very differently, and as such, we need to carefully review any documentation, as well as have the appropriate level of access to obtain the hashes from a target system. Once we have them, good wordlists (coupled with good rules) are still vital, as some of these hash types can be very computationally complex, taking a long time to crack. Especially for our stated examples, bcrypt is particularly troublesome and may require the assistance of a GPU.

Furthermore, you have learned how to take these examples and extrapolate them to other applications by understanding where their password hashes are located, extracting them, and determining the right algorithm needed to select the proper cracking mode.

In the next chapter, we will turn to password managers—a great component for keeping passwords...

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