Backdoor.Win32.Agent.aer malware suffers from an insecure transit vulnerability that allows for password disclosure.
fac30efd864960f252c7828460753ff6
Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/9576a6a59715a69be499fa41d6383a64_B.txt
Contact: [email protected]
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).