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Backdoor.Win32.Verify.f / Missing Authentication

CVE Category Price Severity
CWE-XX Unknown Unknown
Author Risk Exploitation Type Date
Unknown Unknown Unknown 2021-01-21
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021010152

Below is a copy:

Backdoor.Win32.Verify.f / Missing Authentication
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/119cd00c48678d63ec07762a7ff08ac7.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Verify.f
Vulnerability: Missing Authentication
Description: Backdoor.Win32.Verify by pMK, yet another self-hating backdoor as it lacks authentication granting access to whoever can reach the infected system. This malware listens on both TCP ports 1906 and 1907, after telnet logon you are greeted with:

Welcome to pMK_Veryfun v2081, type "help" or "helpv" for more information.  
Version [2081] - 27 Mar 2005 - Written by [pMK] - x0x0x0x0x0x0x0 [pTH] 
Access granted! My IP is [x.x.x.x|DESKTOP-BLAHBLAH] 

Type: PE32
MD5: 119cd00c48678d63ec07762a7ff08ac7
Vuln ID: MVID-2021-0043
Dropped files: MsSysInfo32.exe
Disclosure: 01/20/2021 

Exploit/PoC:
TELNET MALWARE_INFECTED_HOST 1906

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