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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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James Leyte-Vidal James Leyte-Vidal
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James Leyte-Vidal
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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

Cracking Windows hashes

Cracking operations on Windows hashes depend significantly on the hashes that are observed, and this is most easily supported by hashcat. The modes vary, depending on the type of hash involved. They are listed here:

  • LANMAN hashes: Mode 3000
  • NTLM hashes: Mode 1000
  • Netntlmv1: Mode 27000
  • Netntlmv2: Mode 27100
  • Kerberos: Varies

The best way to ensure your hashcat hash is formatted properly is to check the hashcat example hashes page at https://hashcat.net/wiki/doku.php?id=example_hashes.

After formatting your hash, pass it to hashcat with the proper attack mode and hash type, along with your wordlist or mask as appropriate. The following example syntax is for ntlm, hash mode 3000:

hashcat -m 3000 -a 0 ntlm.hash rockyou.txt

Remember that, due to their relatively simple construction, LANMAN and NTLM hashes may not need to be cracked and may be able to be looked up, especially since these hashes are not salted. One resource for...

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