`Discovery / credits: Malvuln - malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/c6ba7fcb9eb9bdd7e081e2e84e784dcb_B.txt
Contact: [email protected]
Media: twitter.com/malvuln
Threat: Backdoor.Win32.VB.afu
Vulnerability: Insecure Transit Password Disclosure
Description: The malware launches Internet Explorer browser 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: c6ba7fcb9eb9bdd7e081e2e84e784dcb
Vuln ID: MVID-2021-0392
Dropped files: Explorer.exe
Disclosure: 11/05/2021
Exploit/PoC:
http://splintersecurity.com/omerta/Mail/Mail.php?cn=DESKTOP-2B3JQKO&sn=Server&pt=8079&pw=asdfgh&[email protected]
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).
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