Use of VisualUiaVerifyNative.exe — Sigma Rule

Rule metadata and linked tags

Author: Christopher Peacock @SecurePeacock, SCYTHE @scythe_io. Source status: test; severity: medium. Source dates: 2022-06-01 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: f91b23ef25685300b01b7c5f8807e5663e5935beb9b78439426e75d4556c063f

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Use of VisualUiaVerifyNative.exe
id: b30a8bc5-e21b-4ca2-9420-0a94019ac56a
status: test
description: VisualUiaVerifyNative.exe is a Windows SDK that can be used for AWL bypass and is listed in Microsoft's recommended block rules.
references:
    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/VisualUiaVerifyNative/
    - https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/design/applications-that-can-bypass-wdac
    - https://bohops.com/2020/10/15/exploring-the-wdac-microsoft-recommended-block-rules-visualuiaverifynative/
    - https://github.com/MicrosoftDocs/windows-itpro-docs/commit/937db704b9148e9cee7c7010cad4d00ce9c4fdad
author: 'Christopher Peacock @SecurePeacock, SCYTHE @scythe_io'
date: 2022-06-01
tags:
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\VisualUiaVerifyNative.exe'
        - OriginalFileName: 'VisualUiaVerifyNative.exe'
    condition: selection
falsepositives:
    - Legitimate testing of Microsoft UI parts.
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate testing of Microsoft UI parts.

Source references

• https://lolbas-project.github.io/lolbas/OtherMSBinaries/VisualUiaVerifyNative/
• https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/design/applications-that-can-bypass-wdac
• https://bohops.com/2020/10/15/exploring-the-wdac-microsoft-recommended-block-rules-visualuiaverifynative/
• https://github.com/MicrosoftDocs/windows-itpro-docs/commit/937db704b9148e9cee7c7010cad4d00ce9c4fdad