I sure hope that Michael Donald has been banned and his posts in the misc thread will be removed. I don’t believe posting items for sale is the function of this forum.
Chad Scott
The same stuff appeared a couple of days ago under a different name, so all one can do is react and delete 
Wolfgang,
have a look at:
Bot registriert sich in mehreren tausend phpBB-Foren | heise online (German) and PWNtcha – Caca Labs (English)
Sorry for writing a German link here but i didn’t found it at the English Pages of heise online - IT-News, Nachrichten und Hintergründe.
Greetings
Sascha Wiegandt