OMG..
Rewrite the kaillera client to ddos forum spammers!
So somewhere in PHPbb is a table with banned IP's.
Make a quick n dirty php script that selects the latest row from that table. Like kaillera.com/spamtheretard.php
Have the kailleraclient.dll call this file on every startup.
kailleraclient starts sending pings at the IP listed in the file.
Now you have 1000's of kaillera users doing some good, obliterating these spammers.
Doing gods work here. Just doing gods work.