this post was submitted on 22 Jul 2024
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They do do a lot of verification on the server side. Since unreal introduced their server-side-lagged-approval networking model, all local movement and most shooting can be retracted by the server.
But what a ring 0 level driver is looking for is other software, like aimbots, modified assets (transparent walls, custom shaders etc) etc. To be able to detect all that it needs to be level 0.
What I would trust more is if Microsoft acquired one of these companies and worked across the industry to root cheating out. Giving some random company ring 0 access feels completely off to me.
Couldn't aimbots be picked up as odd movement and be detectable on a server though? Kind of similar to how those "not a robot" checks can tell if a human is clicking on the box just by looking at the movements of the cursor.
In addition, things like textures and game-modifications could be picked up in part by things like checksum verification to make sure the client is unmodified (assuming the files are modified on the disk and not in memory)
I feel like most client-side changes like see-through walls or player highlighting make themselves pretty obvious when aggregated over multiple games. A good user-reporting system could probably catch most of these.
I definitely agree though, allowing multiple random companies to install ring 0 rootkits should not be the norm. Honestly, even a Windows-level anticheat would be problematic because it would only worsen the monopoly Microsoft has on competitive games as a platform. A new solution would need to be cross-platform or else it would only be marginally better than what already exists.
Aimbots dont need to do a lot to provide advantage at the highest level. Moving “perfect aim” from 1x1 pixel to 3x3 pixels, but with 33% probability would provide a huge advantage and be undetectable.
Modified assets cannot be verified unless you lock the system down, like an Xbox. On a PC? No way. You can combat it by sitting in ring 0 (which is what anti cheat software does) but you couldn’t just check some checksums.
In terms of aggregating data and spotting something like see-through walls, there isn’t the statistical method to discern between great intution built over years of playing the same map and having see through assets.
I used to work in AAA game development, across most of low level (graphics, networking, memory, assets etc) so unfortunately I know this problem is nigh on impossible to solve unless you have a locked platform.