Super SSH

題目連結

https://learn.cylabacademy.org/library/424

題目解法

這題題目是 ssh 的基礎教學，指令用法如下

ssh -p <port> <username>@<host>
ssh -p 52938 ctf-player@titan.picoctf.net

第一次連接後為了避免中間人攻擊，會確認 fingerprint，要輸入 yes 確認。
接著輸入密碼，輸入密碼時不會顯示任何內容，輸入完畢後按下 enter 即可連線。

$ ssh -p 52938 ctf-player@titan.picoctf.net 
The authenticity of host '[titan.picoctf.net]:52938 ([3.139.174.234]:52938)' can't be established.
ED25519 key fingerprint is SHA256:4S9EbTSSRZm32I+cdM5TyzthpQryv5kudRP9PIKT7XQ.
This key is not known by any other names.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '[titan.picoctf.net]:52938' (ED25519) to the list of known hosts.
ctf-player@titan.picoctf.net's password: 
Welcome ctf-player, here's your flag: picoCTF{s3c--------------------462}
Connection to titan.picoctf.net closed.