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Backdoor.Win32.Agent.dcbh / Insecure Permissions EoP

CVE Category Price Severity
CWE-16 Not specified High
Author Risk Exploitation Type Date
ExploitAlert Team High Local 2021-01-09
CVSS EPSS EPSSP
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2021010080

Below is a copy:

Backdoor.Win32.Agent.dcbh / Insecure Permissions EoP
Discovery / credits: malvuln - Malvuln.com (c) 2021
Original source: https://malvuln.com/advisory/bba63df41adcf2cf80c74e4a62539d44.txt
Contact: [email protected]
Media: twitter.com/malvuln

Threat: Backdoor.Win32.Agent.dcbh
Vulnerability: Insecure Permissions EoP
Description: Drops an executable with a randomly generated numeric name E.g. 674_674.exe. Change permissions are granted to authenticated users, allowing privilege escalation.
Type: PE32
MD5: bba63df41adcf2cf80c74e4a62539d44
Vuln ID: MVID-2021-0016
Dropped files: Random numeric named .EXE under c:\ dir.
Disclosure: 01/08/2021

Exploit/Poc:
C:\>cacls C:\989_989.exe
C:\989_989.exe BUILTIN\Administrators:(ID)F
               NT AUTHORITY\SYSTEM:(ID)F
               BUILTIN\Users:(ID)R
               NT AUTHORITY\Authenticated Users:(ID)C


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