Original writeup (https://medium.com/@anassboulbalitkd/teaser-confidence-2019-ctf-writeup-web-51pts-my-admin-panel-25700dd0bd94?fbclid=IwAR2EBhaXvIIDinN3-NcvrNnD8R6GBsHzlU6JikbA6HsPiFWo6VsowkX8TO8).