If memory serves, the massive bot read of a couple of days ago was hitting a long-unused board page and messages within it repeatedly.
But we're looking for any patterns.
This is going to be tough. I'm sure the harvesting took place sometime in the past 4 days (for various reasons) and that means 1.7 gig worth of log files to go through. Dave's running queries on them to see if anything can be found, and I'm sure there's going to be a lot of manual scanning involved.