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Date: Mon, 24 Jan 2022 21:12:34 -0500
From: malvuln <>
Subject: [FD] Backdoor.Win32.FTP.Lana.01.d / Weak Hardcoded Password

Discovery / credits: Malvuln - (c) 2022
Original source:

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

.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.


215 UNIX Type: L8


227 Entering Passive Mode (192,168,18,129,225,245).


150 Data connection accepted.

226 Transfer ok

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