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TROJAN.WIN32.ANTAVKA.BZ / Insecure Permissions EoP

CVE Category Price Severity
N/A CWE-Other Not specified High
Author Risk Exploitation Type Date
Unknown High Local 2021-01-03
CVSS EPSS EPSSP
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: https://cxsecurity.com/ascii/WLB-2021010006

Below is a copy:

TROJAN.WIN32.ANTAVKA.BZ / Insecure Permissions EoP
Discovery / credits: malvuln - Malvuln.com (c) 2021
Original source: http://malvuln.com/advisory/2e4573d8925be404a9a1ff49ee2f5bc3.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Trojan.Win32.Antavka.bz
Vulnerability: Insecure Permissions EoP
Description: Change permissions are granted to authenticated users on the C:\Temp dir housing the malware.

Type: PE32
MD5: 2e4573d8925be404a9a1ff49ee2f5bc3
Vuln ID: MVID-2021-0001
Dropped files: 1.exe
Disclosure: 01/01/2021
[+] Download advisory


Exploit/PoC:
C:\>cacls C:\Temp\1.exe
C:\Temp\1.exe BUILTIN\Administrators:(ID)F
NT AUTHORITY\SYSTEM:(ID)F
BUILTIN\Users:(ID)R
NT AUTHORITY\Authenticated Users:(ID)C


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