Discovery / credits: Malvuln - (c) 2021  
Original source:  
Threat: Backdoor.IRC.Ataka.a  
Vulnerability: Insecure Permissions  
Description: The malware creates a dir with insecure permissions under c:\ drive and grants change (C) permissions to the authenticated user group. Standard users can rename the executable dropped by the malware to disable it or replace it with their own executable. Then wait for a privileged user to logon to the infected machine to potentially escalate privileges.  
Type: PE32  
MD5: 2da85579b259e6de86590e067003e064  
Vuln ID: MVID-2021-0283  
Disclosure: 07/12/2021  
C:\>cacls Winnt  
C:\Winnt BUILTIN\Administrators:(OI)(CI)(ID)F  
NT AUTHORITY\Authenticated Users:(ID)C  
NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C  
C:\>dir \Winnt\system32  
Volume in drive C has no label.  
Directory of C:\Winnt\system32  
05/10/2002 08:17 PM 2 1433.txt  
06/08/2021 02:57 AM 2,456 ght.dll  
04/06/2002 10:40 AM 13 hajr.drv  
05/09/2002 08:17 PM 29,930  
11/26/2000 09:45 PM 24,576 Msboot.exe  
11/03/2000 03:21 PM 560,128 msflxgd.exe  
06/08/2021 02:04 AM 3,769 netv.ocx  
04/28/2002 05:02 PM 1,571 proxy.reg  
09/04/2001 12:39 PM 900,608 ProxyPlus.exe  
05/10/2000 09:22 PM 87,584 Rar.exe  
04/07/2002 11:09 PM 12 smtp.txt  
04/11/2002 07:08 PM 341 syscribe.txt  
04/28/2002 05:01 PM 144 wroxy.reg  
13 File(s) 1,611,134 bytes  
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