Discovery / credits: Malvuln - malvuln.com (c) 2021 Original source: https://malvuln.com/advisory/9576a6a59715a69be499fa41d6383a64_B.txt Contact: malvuln13@gmail.com Media: twitter.com/malvuln Threat: Backdoor.Win32.Agent.aer Vulnerability: Insecure Transit Password Disclosure Description: The malware listens on TCP port 1080 and passes logon credentials in plaintext via a URL query string using the HTTP GET request method. Third party attackers who can sniff traffic or access the machine used to logon may also locate the credentials, as the URL contents can potentially be leaked or stored in some of the following locations. Browser History Browser Cache Browser Developer Tools Cached by web proxy Referer Header Web Logs Shared Systems Type: PE32 MD5: 9576a6a59715a69be499fa41d6383a64 Vuln ID: MVID-2021-0347 Dropped files: svchost.exe Disclosure: 09/25/2021 Exploit/PoC: Plaintext password passed in URL using GET method http://x.x.x.x:1080/login?Nombre=admin&Password=abc123 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).