LEARN JOHN THE RIPPER: Master Offline Hash Cracking: Local Passwords, ZIP Files, Office Documents, Linux Shadow, Windows SAM

This book is intended for offensive security professionals, system analysts, technical audit specialists, and students working with penetration testing in Linux and Windows environments. With a 100% practical approach, the content presents advanced usage of John the Ripper for password cracking across multiple hash formats and authentication scenarios.

You will learn to integrate optimized wordlists, configure high-performance attack modes, and explore protected files with forensic precision. The book covers everything from basic usage to advanced applications combined with well-known security tools in real Red Team environments.

Includes:

• Execution in Kali Linux with performance tuning and parameter configuration

• Cracking of MD5, SHA1, SHA256, NTLM, bcrypt, Kerberos, and LM hashes

• Decoding of shadow files, zip archives, rar, PDF, and JWT tokens

• Incremental, hybrid, combinator, and distributed brute-force attacks

• Generation and customization of rules with personalized wordlists

• Integration with Hashcat, Hydra, CeWL, Crunch, and bash scripts

• Application in CTFs, corporate environments, and compliance testing

Master the use of John the Ripper as a strategic tool in offensive audits, password policy hardening, and vulnerability analysis across multiple systems.

kali linux, john the ripper, hash cracking, offensive audit, red team, password cracking, shadow file, advanced pentest, custom wordlist, information security