PROBLEM
Something's going over my head, and it's too fast for me to catch! (Difficulty: Easy)
SOLUTION
visiting the given URL will redirect you to a wikipedia page called Fork Bomb For this I used httpie
➜ http http://18.222.124.7
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: Keep-Alive
Content-Length: 95
Content-Type: text/html; charset=UTF-8
Date: Sun, 25 Nov 2018 17:50:51 GMT
ETag: "5f-57b42cc30d8d7"
Keep-Alive: timeout=5, max=100
Last-Modified: Thu, 22 Nov 2018 15:48:27 GMT
Server: Apache/2.4.34 (Amazon)
<html>
<head>
<meta http-equiv="refresh" content="0; URL='Literal.html'" />
</head>
</html>
Then try to go on Literal.html
➜ http http://18.222.124.7/Literal.html
HTTP/1.1 200 OK
Accept-Ranges: bytes
Connection: Keep-Alive
Content-Length: 841
Content-Type: text/html; charset=UTF-8
Date: Sun, 25 Nov 2018 17:51:25 GMT
ETag: "349-57b42af66aaaa"
Keep-Alive: timeout=5, max=100
Last-Modified: Thu, 22 Nov 2018 15:40:24 GMT
Server: Apache/2.4.34 (Amazon)
<html>
<head>
<meta http-equiv="Refresh" content="1; url=https://en.wikipedia.org/wiki/Fork_bomb">
</head>
<body>
<!--
* * f f f
* ** * ff ff ff
* * ** || ff ff ff
** ||||T|| fUffffffff
* |C|||T| oooooooooooo fFff
|||||||{ooooooooooRfff3o
ooo4ooooooooooooooLff.ooooo0
oooNooooooooooooooo3ooooooo5ooo.
oooo4oooooRoooooooooo3oooooooooo.
oooDooooo4oooooNooooooooooooooooo
ooooooooooooooGoooooooooooooooooo
ooooooooooooooooooooo3oooooooooRo
oooooooo0oooooooooooooooooooooo
oooooooffUoooooooooooooooooo
ooofff5ooooooooooooooooo
fff }ooooooooooooooo
fff
-->
Redirecting to Wikipedia...!
</body>
</html>
We can see the flag but it's with lot of junk clean it up.
FLAG - TUCTF{R34L.0N35.4R3.D4NG3R0U5}