Task

What does the acronym VM stand for?
- Virtual Machine
What tool do we use to interact with the operating system in order to issue commands via the command line, such as the one to start our VPN connection? It's also known as a console or shell.
- terminal
What service do we use to form our VPN connection into HTB labs?
- openVPN
What tool do we use to test our connection to the target with an ICMP echo request?
- ping
What is the name of the most common tool for finding open ports on a target?
- nmap
What service do we identify on port 23/tcp during our scans?
- telnet
What username is able to log into the target over telnet with a blank password?
- root

Write Up

먼저, nmap으로 열려있는 port 확인해준다.

`telnet [ip] -p [port]` 로 telnet을 연결해준다.

계정이 없는 경우, 로그인할 때 root 라는 사용자명으로 로그인할 수 있으므로 root로 로그인하여 flag.txt를 읽어들이면된다.