#World of warcraft bot owned core verification
I fear that it now does a verification on the memory space, files & system registry to ensure that it is not being molested by another application or tweaked at all. And they were banning those and only those accounts. My guess is that before, they were checking if there were any known scripting or programs that were unauthorized and changing this data. And how do you protect Warden from it itself being hacked? You design it kind of like a root kit-that is the user shouldn't be able to alter or disable Warden & they lose the domain over that tiny bit of functionality of their hard drive. Solution? Enter Warden to check these memory spaces and files for any potentially unauthorized changes (checksums, whatever method they want to use or seeing which threads are accessing that memory). What results is signals sent back to the server which aren't true and give that user an advantage. The problem then becomes that users will write applications to modify the data & memory that their client applications are using. Obvious, you want to reduce network traffic and give your servers a break so you design this to have minimal communication. Realistically, the client has to do some of the computation and storing itself (and with WoW being some huge multi-gigabyte client, there's a lot to investigate). But there's some things you can't change because they're located on the server. You change these memory addresses & your client's state is altered. The art of doing this successfully lies in knowing what addresses of memory that your client application is using to store data.
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And there were many people that had developed scripts (duping, afk farming, etc) for games like Diablo that wanted to to do the same thing for WoW. Well, I've talked with someone who does a lot of this sort of stuff and he explained to me that long ago when Blizzard first debuted WoW, it was an instant success.