John the Ripper

Crack passwords and identify hash types using John the Ripper.

Tool Status

• Tool installed: !command -v john > /dev/null 2>&1 && echo "YES -- $(john --format=dummy 2>&1 | head -1 || echo 'john available')" || echo "NO -- Install: brew install john-jumbo (macOS) | apt install john (Debian/Ubuntu)"
• Wrapper scripts available: !test -f scripts/john/crack-linux-passwords.sh && echo "YES -- use wrapper scripts for structured JSON output" || echo "NO -- using standalone mode with direct commands"

Mode: Wrapper Scripts Available

If wrapper scripts are available (shown as YES above), prefer these commands. They provide structured JSON output and educational context.

Linux Passwords

• bash scripts/john/crack-linux-passwords.sh -j -x -- Crack /etc/shadow hashes using wordlists, rules, and incremental modes

Archive Cracking

• bash scripts/john/crack-archive-passwords.sh <archive> -j -x -- Crack password-protected ZIP, RAR, 7z, and PDF files