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For those unaware its possible to craftbot in EQ2 there are a number of websites that advertise such unscrupoulus tools. Now the same websites are offering harvestbots and radars. They have only just been released and I have seen screenshots and details of how they work. Basically you don't packet sniff data as some may say you do because that would require decrypt information and reverse-engineering it, but you look at what is in the clients memory and find SpawnID's. If it finds a node or something it can't harvest it goes on a list so next times it finds same object it avoids it. All you need to do is be higher level than mobs around you and you won't get attacked.
These bots are about, they do exist, research it if you don't believe me and expect them to become as prevalent as crafting bots.
As for radars well they use same principal, but it looks like a gyroscope, it will show all objects in the world NPC's resource nodes, etc.
I find this very worrying even more so when it seems SoE doesn't seem to do anything about it.