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List:       full-disclosure
Subject:    [FD] Backdoor.Win32.Visiotrol.10 / Insecure Password Storage
From:       malvuln <malvuln13 () gmail ! com>
Date:       2021-12-26 2:55:09
Message-ID: CAAHK0WSMnop7Y9zv_eZPjrA7qzz+e1WAo0WQObBpoRZbgOhamA () mail ! gmail ! com
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Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/f9dc0a462ada737f36efafac56f22b97.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Visiotrol.10
Vulnerability: Insecure Password Storage
Description: The malware listens by default on TCP port 4567. The default
password "vc" is very weak and stored in a plaintext file named
"config.vcs" on disk.
Type: PE32
MD5: f9dc0a462ada737f36efafac56f22b97
Vuln ID: MVID-2021-0431
Disclosure: 12/25/2021

Exploit/PoC:
c:\>type config.vcs
vc##4567##OFF##OFF##OFF##

Disclaimer: The information contained within this advisory is supplied
"as-is" with no warranties or guarantees of fitness of use or otherwise.
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
the author. The author is not responsible for any misuse of the information
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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