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## https://sploitus.com/exploit?id=PACKETSTORM:161481
Discovery / credits: Malvuln - malvuln.com (c) 2021  
Original source: https://malvuln.com/advisory/833868d3092bea833839a6b8ec196046.txt  
Contact: malvuln13@gmail.com  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.Inject.tyq  
Vulnerability: Insecure Permissions  
Description: The backdoor creates an dir named "hotfix" under c:\ drive granting change (C) permissions to the authenticated user group.   
Type: PE32  
MD5: 833868d3092bea833839a6b8ec196046  
Vuln ID: MVID-2021-0100  
Dropped files:   
Disclosure: 02/19/2021  
  
Exploit/PoC:  
C:\>cacls hotfix  
C:\hotfix BUILTIN\Administrators:(OI)(CI)(ID)F  
NT AUTHORITY\SYSTEM:(OI)(CI)(ID)F  
BUILTIN\Users:(OI)(CI)(ID)R  
NT AUTHORITY\Authenticated Users:(ID)C  
NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C  
  
  
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