echo "[*] Cracking with rockyou.txt..." john --wordlist=/usr/share/wordlists/rockyou.txt "$HASHFILE"
zipdetails archive.zip | grep "Compression method" Output should show AES-256 . kali linux zip
For true cross-platform compatibility, 7zip is often superior: echo "[*] Cracking with rockyou
zipdetails -v suspicious.zip | grep -i method If you see AES-256 , expect a longer cracking time. When the ZIP’s internal file structure is partially known, a known-plaintext attack can extract the encryption key without cracking the password. Kali includes bkcrack . kali linux zip
bkcrack -C encrypted.zip -c plaintext_file_inside.zip -p known_plaintext.txt After recovering keys, extract the archive:
zip -e -o archive.zip files/ -P "pass" Then verify encryption type: