More info can be found here (including where to download): http://www.spl.info/index.php?id=460
EDIT... quick note.
Copy protection is Challenge/Response. You do not need an iLok, but you will need to install the iLok drivers in order to do the C/R authorization.
New EDIT... This is among the worst C/R processes *ever* so thankfully this thing is free. If you've never downloaded iLok drivers before, the note that it will require a reboot. Make sure you do this BEFORE you open Live to check for this plugin. I had the old drivers on my system, so after getting a message to update the drivers, SPL Attacker would not show up until I had installed the drivers and then this process: had to remove the dll, rescan the vst folder and then add back in and rescan again.
To get your C/R response, you need to enter the challenge on the same page you request the download, and the wait up to 10 minutes for the response to be emailed.
Again, while waiting for the response, do not cancel the authorization process, or Live will not show this plugin in your folder until repeat the process mentioned above.
Anyway... Like I said... this is free (for one month).

