Curiously, the source code @1:44 [1] is pretty visible [2]. Seems a Flask app in a file called hexstub.py, created by dennisz. [1] https://youtu.be/27OuOCeZmw

Curiously, the source code @1:44 [1] is pretty visible [2]. Seems a Flask app in a file called hexstub.py, created by dennisz. [1] https://youtu.be/27OuOCeZmwI?t=104 https://youtu.be/27OuOCeZmwI?t=104 [2] https://i.imgur.com/x4SJmJe.png https://i.imgur.com/x4SJmJe.png