Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/a4ea99b54e171274795f14a4ac7f17ba.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Trojan.Win32.Delf.uq
Vulnerability: Insecure Permissions EoP
Description: Malware creates an vulnerable dir named "downsoft" under c:\ drive granting change (C) permissions to the authenticated users group.
Type: PE32
MD5: a4ea99b54e171274795f14a4ac7f17ba
Vuln ID: MVID-2021-0071
Disclosure: 02/06/2021

Exploit/PoC:
C:\>cacls \downsoft
C:\downsoft 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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