HEUR.Backdoor.Win32.Agent.gen / Insecure Permissions

CVE Category Price Severity
N/A CWE-287 N/A High
Author Risk Exploitation Type Date
Unknown High Remote 2021-07-15
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at:

Below is a copy:

HEUR.Backdoor.Win32.Agent.gen / Insecure Permissions
Discovery / credits: Malvuln - (c) 2021
Original source:
Contact: [email protected]

Threat: HEUR.Backdoor.Win32.Agent.gen
Vulnerability: Insecure Permissions
Description: The malware creates a dir with insecure permissions under c:\ drive and grants change (C) permissions to the authenticated user group. Standard users can rename the executable dropped by the malware to disable it or replace it with their own executable. Then wait for a privileged user to logon to the infected machine to potentially escalate privileges.
Type: PE32
MD5: db0b3f4aeccb8d26f14b915a9e2529b4
Vuln ID: MVID-2021-0282
Dropped files: xm86.exe
Disclosure: 07/12/2021

 Volume in drive C has no label.

 Directory of C:\Chrome\XMR2

03/18/2018  03:26 AM         1,731,080 xm86.exe
               1 File(s)      1,731,080 bytes

C:\Chrome\XMR2>cacls \Chrome
C:\Chrome BUILTIN\Administrators:(OI)(CI)(ID)F
          NT AUTHORITY\Authenticated Users:(ID)C
          NT AUTHORITY\Authenticated Users:(OI)(CI)(IO)(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) (TM).

Copyright ©2024 Exploitalert.

This information is provided for TESTING and LEGAL RESEARCH purposes only.
All trademarks used are properties of their respective owners. By visiting this website you agree to Terms of Use and Privacy Policy and Impressum