UAC Bypass Using IDiagnostic Profile - File

Description

Detects the creation of a file by "dllhost.exe" in System32 directory part of "IDiagnosticProfileUAC" UAC bypass technique

Query · sigma

selection:
  Image|endswith: \DllHost.exe
  TargetFilename|startswith: C:\Windows\System32\
  TargetFilename|endswith: .dll
condition: selection

Known false positives

  • Unknown
Raw source UAC Bypass Using IDiagnostic Profile - File · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: UAC Bypass Using IDiagnostic Profile - File
id: 48ea844d-19b1-4642-944e-fe39c2cc1fec
status: test
description: Detects the creation of a file by "dllhost.exe" in System32 directory part of "IDiagnosticProfileUAC" UAC bypass technique
references:
    - https://github.com/Wh04m1001/IDiagnosticProfileUAC
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-03
tags:
    - attack.execution
    - attack.privilege-escalation
    - attack.t1548.002
logsource:
    product: windows
    category: file_event
detection:
    selection:
        Image|endswith: '\DllHost.exe'
        TargetFilename|startswith: 'C:\Windows\System32\'
        TargetFilename|endswith: '.dll'
    condition: selection
falsepositives:
    - Unknown
level: high

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