114 lines
5.1 KiB
PowerShell
114 lines
5.1 KiB
PowerShell
function Test-RestrictOutlookAddins {
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[CmdletBinding()]
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[OutputType([CISAuditResult])]
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param (
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# Aligned
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# Parameters could include credentials or other necessary data
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)
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begin {
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# Dot source the class script if necessary
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#. .\source\Classes\CISAuditResult.ps1
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# Initialization code
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$customPolicyFailures = @()
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$defaultPolicyFailureDetails = @()
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$relevantRoles = @('My Custom Apps', 'My Marketplace Apps', 'My ReadWriteMailbox Apps')
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$recnum = "6.3.1"
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# Conditions for 6.3.1 (L2) Ensure users installing Outlook add-ins is not allowed
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#
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# Validate test for a pass:
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# - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark.
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# - Specific conditions to check:
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# - Condition A: Verify that the roles MyCustomApps, MyMarketplaceApps, and MyReadWriteMailboxApps are unchecked under Other roles.
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# - Condition B: Using PowerShell, verify that MyCustomApps, MyMarketplaceApps, and MyReadWriteMailboxApps are not assigned to users.
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#
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# Validate test for a fail:
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# - Confirm that the failure conditions in the automated test are consistent with the manual audit results.
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# - Specific conditions to check:
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# - Condition A: One or more of the roles MyCustomApps, MyMarketplaceApps, and MyReadWriteMailboxApps are checked under Other roles.
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# - Condition B: Using PowerShell, verify that MyCustomApps, MyMarketplaceApps, and MyReadWriteMailboxApps are assigned to users.
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}
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process {
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try {
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# 6.3.1 (L2) Ensure users installing Outlook add-ins is not allowed
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# Check all mailboxes for custom policies with unallowed add-ins
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$roleAssignmentPolicies = Get-EXOMailbox | Select-Object -Unique RoleAssignmentPolicy
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if ($roleAssignmentPolicies.RoleAssignmentPolicy) {
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foreach ($policy in $roleAssignmentPolicies) {
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if ($policy.RoleAssignmentPolicy) {
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$rolePolicyDetails = Get-RoleAssignmentPolicy -Identity $policy.RoleAssignmentPolicy
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$foundRoles = $rolePolicyDetails.AssignedRoles | Where-Object { $_ -in $relevantRoles }
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# Condition B: Using PowerShell, verify that MyCustomApps, MyMarketplaceApps, and MyReadWriteMailboxApps are not assigned to users.
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if ($foundRoles) {
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$customPolicyFailures += "Policy: $($policy.RoleAssignmentPolicy): Roles: $($foundRoles -join ', ')"
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}
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}
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}
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}
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# Check Default Role Assignment Policy
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$defaultPolicy = Get-RoleAssignmentPolicy "Default Role Assignment Policy"
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$defaultPolicyRoles = $defaultPolicy.AssignedRoles | Where-Object { $_ -in $relevantRoles }
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# Condition A: Verify that the roles MyCustomApps, MyMarketplaceApps, and MyReadWriteMailboxApps are unchecked under Other roles.
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if ($defaultPolicyRoles) {
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$defaultPolicyFailureDetails = $defaultPolicyRoles
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}
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# Prepare result details string
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$detailsString = ""
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if ($customPolicyFailures) {
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$detailsString += "Custom Policy Failures: | "
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$detailsString += ($customPolicyFailures -join " | ")
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}
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else {
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$detailsString += "Custom Policy Failures: None | "
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}
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$detailsString += "Default Role Assignment Policy: "
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if ($defaultPolicyFailureDetails) {
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$detailsString += ($defaultPolicyFailureDetails -join ', ')
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}
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else {
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$detailsString += "Compliant"
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}
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# Determine result based on findings
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$isCompliant = -not ($customPolicyFailures -or $defaultPolicyFailureDetails)
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# Create and populate the CISAuditResult object
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$params = @{
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Rec = $recnum
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Result = $isCompliant
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Status = if ($isCompliant) { "Pass" } else { "Fail" }
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Details = $detailsString
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FailureReason = if ($isCompliant) { "N/A" } else { "Unauthorized Outlook add-ins found in custom or default policies." }
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}
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$auditResult = Initialize-CISAuditResult @params
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}
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catch {
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Write-Error "An error occurred during the test: $_"
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# Retrieve the description from the test definitions
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$testDefinition = $script:TestDefinitionsObject | Where-Object { $_.Rec -eq $recnum }
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$description = if ($testDefinition) { $testDefinition.RecDescription } else { "Description not found" }
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$script:FailedTests.Add([PSCustomObject]@{ Rec = $recnum; Description = $description; Error = $_ })
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# Call Initialize-CISAuditResult with error parameters
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$auditResult = Initialize-CISAuditResult -Rec $recnum -Failure
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}
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}
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end {
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# Return the audit result
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return $auditResult
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}
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}
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