I put a post up on Joomla.org -
forum.joomla.org/viewtopic.php?f=432&t=322827
i go replies in record time.
Apparently it was a security hole that was patched when upgrading to 1.5.6 (3 weeks ago)
1.5.5 & lower versions have this vunerability.
as for Getting the Super administrator back for joomla 1.5.x
you can you the code below - (i will try it soon)
REPLACE INTO `jos_users` VALUES(62, 'Administrator', 'admin', '
This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
', '296e21e19e0a53e6eacc64bc8cf6e134:w15sQL14fsn2V8MF pPmWZTz9LVgmZIaj', 'Super Administrator', 0, 1, 25, '2008-05-29 08:57:52', '2008-08-13 07:23:48', '', 'admin_language=nlanguage=neditor=nhelpsite=nt imezone=1nn'
;
