Backdoor.Win32.Xtreme.yvp Insecure Permissions / Privilege Escalation

`Discovery / credits: malvuln - Malvuln.com (c) 2021  
Original source: https://malvuln.com/advisory/7bd93c10c9373cfc2bcc8eff712631f1.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.Xtreme.yvp  
Vulnerability: Insecure Permissions EoP  
Description: Change permissions are granted to authenticated users, allowing privilege escalation.  
Type: PE32  
MD5: 7bd93c10c9373cfc2bcc8eff712631f1  
Vuln ID: MVID-2021-0017  
Dropped files: System.exe  
Disclosure: 01/08/2021  
  
Exploit/PoC:  
C:\>cacls C:\SystemG\System.exe  
C:\SystemG\System.exe BUILTIN\Administrators:(ID)F  
NT AUTHORITY\SYSTEM:(ID)F  
BUILTIN\Users:(ID)R  
NT AUTHORITY\Authenticated Users:(ID)C  
  
  
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