Solving narnia1 from overthewire - video writeup

This is the second video writeup on the narnia challenges from OverTheWire. The original challenges can be found here: https://overthewire.org/wargames/narnia/ The playlist with all my video writeups for narnia is here: https://www.youtube.com/playlist?list=PLNzChOyivDbhXXVUR70qZP86aYumq-p7b The shellcode I used: http://shell-storm.org/shellcode/files/shellcode-585.php The video by liveoverflow on CPUs and assembler: https://www.youtube.com/watch?v=6jSKldt7Eqs Felix Cloutiers x86 instruction reference: https://www.felixcloutier.com/x86/index.html The Linux Assembly HOWTO: http://tldp.org/HOWTO/Assembly-HOWTO/linux.html 32-bit system call numbers and entry vectors in the Linux kernel: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/entry/syscalls/syscall_32.tbl?h=v5.8-rc1