BattlEye protects Rainbow Six Siege, PUBG, Escape From Tarkov, and many other games. It's one of the oldest and most battle-tested anti-cheats.
BattlEye Architecture
- Kernel Driver: BEDaisy.sys monitors system calls and memory access
- Signature Scanning: Checks running processes against known cheat signatures
- Heartbeat System: Regular integrity checks between client and server
- Screenshot Capture: Can capture game screenshots for review (some games)
- Process Enumeration: Lists running processes looking for known cheat names
External Tool Immunity
BattlEye's signature scanner looks for known cheat binaries — Skyrant uses obfuscated strings and randomized PE headers, making signature matching impossible. The kernel driver monitors game process memory access — Skyrant never accesses game memory. The heartbeat system validates game integrity — Skyrant doesn't modify the game.
BattlEye's screenshot system is the only theoretical concern, but it captures game framebuffer screenshots — which wouldn't show any Skyrant overlay since Skyrant doesn't render anything on screen (Sound Radar can display on phone instead).