full-disclosure - [FD] Trojan.Win32.SkynetRef.y / Unauthenticated Open Proxy

Open Source and information security mailing list archives

Date: Sun, 7 Nov 2021 21:26:21 -0500
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Trojan.Win32.SkynetRef.y / Unauthenticated Open Proxy

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/e2d249f86890d290bb8af599ea0367f3.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Trojan.Win32.SkynetRef.y
Vulnerability: Unauthenticated Open Proxy
Description: The malware listens on TCP port 3128. 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: e2d249f86890d290bb8af599ea0367f3
Vuln ID: MVID-2021-0399
Dropped files: wusa32.exe
Disclosure: 11/07/2021

Exploit/PoC:
curl  socks4://INFECTED_HOST:3128 http://VICTIM: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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