In search of the elusive trojan

Troy Jessup continues his investigations into the trojan that people know exists but can't isolate:

"This Trojan is exploiting some of the fundamental weaknesses in how we run the internet. This Trojan is scanning at a very SLOW rate. In essence it is 'flying under the radar.' One packet every few minutes can be nearly impossible to detect with the amount of traffic that most people are working with."

But what's its real purpose? He speculates:

"Imagine a search engine on the internet that interfaces with every Trojaned machine and makes available files, documents, resources, etc. on infected machines. ... "