How to crack (old) MySQL Passwords (< 4.1 version)

Prior to MySQL 4.1, password hashes computed by the PASSWORD() function are 16 bytes long. Such hashes look like this:

mysql> SELECT PASSWORD('mypass');
+--------------------+
| PASSWORD('mypass') |
+--------------------+
| 6f8c114b58f2ce9e   |
+--------------------+

Crack

This website can crack 100% of your "MySQL323" hashes. ( = MySQL version 3.23 and lower).
Go here : http://www.onlinehashcrack.com/multi-hash-cracking.php to paste your MYSQL323 hash.

Bonus

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MySQL 4.1 and later

You may also be interested in cracking MySQL 4.1 and later version.
The PASSWORD() function has been modified to produce a longer 41-byte hash value:

mysql> SELECT PASSWORD('mypass');
+-------------------------------------------+
| PASSWORD('mypass')                        |
+-------------------------------------------+
| *6C8989366EAF75BB670AD8EA7A7FC1176A95CEF4 |
+-------------------------------------------+

This website can also crack your MYSQL version 4.1, 5 etc.
Go here : http://www.onlinehashcrack.com/multi-hash-cracking.php to paste your MYSQL hash.