What a hell of a challenge!

πŸŽ‰ Successfully completed Yansanity (Easy)! πŸŽ‰
πŸŽ‰ Successfully completed Yansanity (Hard)! πŸŽ‰

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