page is redirecting to wikipedia, so pull the source with wget
$ wget http://18.222.124.7
--2018-11-24 00:35:20-- http://18.222.124.7/ Connecting to 18.222.124.7:80... connected. HTTP request sent, awaiting response... 200 OK Length: 95 [text/html] Saving to: ‘index.html’
index.html 100%[================================================================>] 95 --.-KB/s in 0s
2018-11-24 00:35:21 (5.11 MB/s) - ‘index.html’ saved [95/95]
$ cat index.html
<html>
<head>
<meta http-equiv="refresh" content="0; URL='Literal.html'" />
</head>
</html>
$ wget http://18.222.124.7/Literal.html
--2018-11-24 00:35:54-- http://18.222.124.7/Literal.html Connecting to 18.222.124.7:80... connected. HTTP request sent, awaiting response... 200 OK Length: 841 [text/html] Saving to: ‘Literal.html’
Literal.html 100%[================================================================>] 841 --.-KB/s in 0s
2018-11-24 00:35:55 (63.4 MB/s) - ‘Literal.html’ saved [841/841]
$ cat Literal.html
<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>
look closely at the bomb to retrieve the flag
TUCTF{R34L.0N35.4R3.D4NG3R0U5}