Backdoor.Win32.Inject.tyq Insecure Permissions

Backdoor.Win32.Inject.tyq malware suffers from an insecure permissions vulnerability.

MD5 | 468cb862df6b63f6bcea90158cd0496c

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

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

C:\>cacls hotfix
C:\hotfix BUILTIN\Administrators:(OI)(CI)(ID)F
NT AUTHORITY\Authenticated Users:(ID)C
NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(ID)C

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