Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/339ec4617eababfd46006f2219e68cb8.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Trojan.Win32.SkynetRef.x
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP port 3128. Third-party attackers who can connect to the infected system can relay requests from the original connection to the destination and then back to the origination system. Attackers may then be able to launch attacks, download files or port scan third party systems and it will appear as the attacks originated from that infected host.
Type: PE32
MD5: 339ec4617eababfd46006f2219e68cb8
Vuln ID: MVID-2021-0398
Dropped files: wusa32.exe
Disclosure: 11/07/2021

Exploit/PoC:
curl  socks4://INFECTED_HOST:3128 http://VICTIM:21
220 INetSim FTP Service ready.


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