$ bfac --url http://esick.student2020tasks.ctf.su/add.php
----------------------------------------------------------------------
                 _____ _____ _____ _____
                | __  |   __|  _  |     |
                | __ -|   __|     |   --|
                |_____|__|  |__|__|_____|

           -:::Backup File Artifacts Checker:::-
                     Version: 1.4
  Advanced Backup-File Artifacts Testing for Web-Applications
Author: Mazin Ahmed | <mazin AT mazinahmed DOT net> | @mazen160
----------------------------------------------------------------------


[i] URL: http://esick.student2020tasks.ctf.su/add.php
[$] Discovered: -> {http://esick.student2020tasks.ctf.su/add.php.txt} (Response-Code: 200 | Content-Length: 3305)

[i] Findings:
http://esick.student2020tasks.ctf.su/add.php.txt (200) | (Content-Length: 3305)

[i] Finished performing scan.