lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <CAAHK0WR7uH2wmmH3fuBjEbDDVvmkba4jVgQOu-HZGtAGL1TM6g@mail.gmail.com>
Date: Thu, 7 Jan 2021 23:41:15 -0500
From: malvuln <malvuln13@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Backdoor.Win32.Xtreme.yvp / Insecure Permissions EoP

Discovery / credits: malvuln - Malvuln.com (c) 2021
Original source:
https://malvuln.com/advisory/7bd93c10c9373cfc2bcc8eff712631f1.txt
Contact: malvuln13@...il.com
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Xtreme.yvp
Vulnerability: Insecure Permissions EoP
Description: Change permissions are granted to authenticated users,
allowing privilege escalation.
Type: PE32
MD5: 7bd93c10c9373cfc2bcc8eff712631f1
Vuln ID: MVID-2021-0017
Dropped files: System.exe
Disclosure: 01/08/2021

Exploit/PoC:
C:\>cacls C:\SystemG\System.exe
C:\SystemG\System.exe BUILTIN\Administrators:(ID)F
                      NT AUTHORITY\SYSTEM:(ID)F
                      BUILTIN\Users:(ID)R
                      NT AUTHORITY\Authenticated Users:(ID)C


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).

_______________________________________________
Sent through the Full Disclosure mailing list
https://nmap.org/mailman/listinfo/fulldisclosure
Web Archives & RSS: http://seclists.org/fulldisclosure/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ