Ensure 'Macro Notification Settings' is set to 'Enabled: Disable VBA macros except digitally signed macros'

CaoCấp 1Tự độngoffice

Mô tả

This policy setting controls how the specified applications warn users when Visual Basic for Applications (VBA) macros or Excel 4.0 (XLM) macros are present. Multiple Office apps support VBA macros, but XLM macros are only supported by Excel. Disable VBA macros except digitally signed macros: The application displays the Trust Bar for digitally signed macros, allowing users to enable them or leave them disabled. Rationale: When users open files in Excel that contain VBA macros, Excel opens the files with the macros disabled, and displays the Trust Bar with a warning that macros are present and have been disabled. User setting: the audit checks HKEY_USERS\<SID>\SOFTWARE\Policies\Microsoft\office\16.0\excel\security:vbawarnings (REG_DWORD) in every loaded user hive (S-1-5-21-*) and is compliant when each holds 3. It prints 'no-user-hive-loaded' (FAIL) when no user profile is loaded, so scan while users are logged on.

Cách kiểm tra

Phương pháp kiểm tra: Windows Registry

registry

$sids = @(Get-ChildItem -Path 'Registry::HKEY_USERS' -ErrorAction SilentlyContinue | Where-Object { $_.PSChildName -match '^S-1-5-21-\d+-\d+-\d+-\d+$' } | ForEach-Object { $_.PSChildName }); if ($sids.Count -eq 0) { 'no-user-hive-loaded' } else { $bad = @(); foreach ($s in $sids) { $v = (Get-ItemProperty -Path ('Registry::HKEY_USERS\' + $s + '\SOFTWARE\Policies\Microsoft\office\16.0\excel\security') -Name 'vbawarnings' -ErrorAction SilentlyContinue).'vbawarnings'; if (-not ($null -ne $v -and @(3) -contains [int64]$v)) { $bad += $s + ':vbawarnings=' + $v } }; if ($bad.Count -eq 0) { 'compliant' } else { 'non-compliant: ' + ($bad -join ', ') } }

Đầu ra mong đợi: compliant

Cách khắc phục

Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng

Configure through Group Policy (User Configuration): User Configuration\Administrative Templates\Microsoft Excel 2016\Excel Options\Security\Trust Center\Macro Notification Settings = Enabled: Disable VBA macros except digitally signed macros

Thuộc tính

Hệ điều hành: Bất kỳ
Thẻ: officeproductivitycis-l1
Tham chiếu: CIS Microsoft Office Enterprise Benchmark v2.0.0 - 2.2.4.7.2.8 Ensure 'Macro Notification Settings' is set to 'Enabled: Disable VBA macros except digitally signed macros'

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shell

tmaegis scan --target office