Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/dcc1855744f2d740745f096e4f031143.txt
Contact: [email protected]
Media: twitter.com/malvuln
Threat: Backdoor.Win32.Azbreg.aant
Vulnerability: Insecure Permissions
Description: Azbreg.aant backdoor creates an insecure dir named "RECYCLER" under c:\ drive, granting change (C) permissions to the authenticated user group.
Type: PE32
MD5: dcc1855744f2d740745f096e4f031143
Vuln ID: MVID-2021-0089
Dropped files:
Disclosure: 02/15/2021
Exploit/PoC:
C:\>cacls RECYCLER
C:\RECYCLER 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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