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Backdoor.Win32.Inject.tyq / Insecure Permissions

2021-02-23 07:57
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
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

C:>cacls hotfix
C:hotfix BUILTINAdministrators:(OI)(CI)(ID)F
NT AUTHORITYAuthenticated Users:(ID)C
NT AUTHORITYAuthenticated Users:(OI)(CI)(IO)(ID)C

Disclaimer: The information contained within this advisory is supplied
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Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
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contained herein and accepts no responsibility for any damage caused by the
use or misuse of this information. The author prohibits any malicious use
of security related information or exploits by the author or elsewhere. Do
not attempt to download Malware samples. The author of this website takes
no responsibility for any kind of damages occurring from improper Malware
handling or the downloading of ANY Malware mentioned on this website or
elsewhere. All content Copyright (c) Malvuln.com (TM).

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Source: 47/beF/1202/erusolcsidlluf/gro.stsilces

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