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Date: Wed, 20 Jan 2021 22:32:02 -0500
From: malvuln <>
Subject: [FD] Backdoor.Win32.Verify.f / Missing Authentication

Discovery / credits: Malvuln - (c) 2021
Original source:

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


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