curl -X POST http://165.227.106.113/post.php -d "username=admin&password=71urlkufpsdnlkadsf"

.

very ez

very ez

you can also solve this the hard way lol. create an HTML form that post to post.php, edit the site's HTML using inspect element. input the credentials. there you go

Incorrect difficulty, should be EASY

nerd emoji

curl -X POST -d 'username=<find it>' -d 'password=<find it>' http://165.227.106.113/post.php

Found how to use curl. Nice challenge :)