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Posts tagged: #john the ripper

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Cracking ZIP, RAR and 7-Zip archive passwords
Extract the hash from a locked ZIP, RAR or 7-Zip archive with zip2john / rar2john / 7z2john, pick the right hashcat mode, and crack it without guessing.
ziprar7-ziphashcat
Cracking SSH private key passphrases with hashcat and John the Ripper
Extract the hash from an encrypted id_rsa or id_ed25519 with ssh2john, pick the right hashcat mode for legacy PEM keys, and know when only John the Ripper can touch a modern OpenSSH key.
sshhashcatjohn the ripperhash formats
Cracking password-protected Office and PDF files with hashcat
Extract the hash from an encrypted Word, Excel or PDF file with office2john / pdf2john, then pick the right hashcat mode — 9400 to 10700 — to recover the password.
officepdfhashcatjohn the ripper
Hashcat vs John the Ripper: which cracker should you use?
A practical comparison of hashcat and John the Ripper — GPU vs CPU strengths, autodetection, -m modes, jumbo formats, wordlists and rules — with example commands.
hashcatjohn the ripperpassword crackingwordlists
How to identify an unknown hash: a practical guide
Found a mystery hash? Learn the signals that reveal its type — length, character set and prefixes like $2y$ or $6$ — and how to identify it privately in your browser.
hash identificationhashcatjohn the ripperpassword cracking
Why fast hashes are dangerous for password storage
MD5 and SHA-1 fall to a GPU in seconds because they are fast and often unsalted. Learn why slow KDFs like bcrypt and Argon2 resist — and what defenders should do.
hashcatjohn the ripperpassword crackingbcrypt