What a hell of a challenge!

🎉 Successfully completed Yansanity (Easy)! 🎉
🎉 Successfully completed Yansanity (Hard)! 🎉

Did you ever reverse-engineer a CPU & operating system where you didn't know the instruction opcodes, registers, CPU flags, syscall numbers etc.?

#pwncollege #ctf #cybersecurity #yansanity #y85