WEBHACKING.KR: Writeup 15/5/2020

Challenge 58: USER Console
Point: 150

I send “help” to server and response is “ls id flag help”
I try each command and show answer:

available command line

Source code have a script code:

script use socket send cmd

Client use connect socket and username = “guest”. I try username = “admin”

Flag: FLAG{do_you_know_about_darkhotel}