tests/Test-BlockSharedMailboxSignIn.ps1
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function Test-BlockSharedMailboxSignIn { [CmdletBinding()] [OutputType([CISAuditResult])] param ( # Parameters can be added if needed ) begin { # Dot source the class script if necessary #. .\source\Classes\CISAuditResult.ps1 # Initialization code, if needed $recnum = "1.2.2" Write-Verbose "Running Test-BlockSharedMailboxSignIn for $recnum..." # Conditions for 1.2.2 (L1) Ensure sign-in to shared mailboxes is blocked # # Validate test for a pass: # - Confirm that the automated test results align with the manual audit steps outlined in the CIS benchmark. # - Specific conditions to check: # - Condition A: No shared mailboxes have the "Sign-in blocked" option disabled in the properties pane on the Microsoft 365 admin center. # - Condition B: Using PowerShell, the `AccountEnabled` property for all shared mailboxes is set to `False`. # # Validate test for a fail: # - Confirm that the failure conditions in the automated test are consistent with the manual audit results. # - Specific conditions to check: # - Condition A: One or more shared mailboxes have the "Sign-in blocked" option enabled in the properties pane on the Microsoft 365 admin center. # - Condition B: Using PowerShell, the `AccountEnabled` property for one or more shared mailboxes is set to `True`. } process { try { # Step: Retrieve shared mailbox details # $objectids Mock Object <# $objectids = @( "123e4567-e89b-12d3-a456-426614174000", "987e6543-21ba-12d3-a456-426614174000", "abcddcba-98fe-76dc-a456-426614174000" ) #> $objectids = Get-CISExoOutput -Rec $recnum # Step: Retrieve user details from Azure AD # $users Mock Object <# $accountDetails = @( [PSCustomObject]@{ ObjectId = "123e4567-e89b-12d3-a456-426614174000" DisplayName = "SMBuser1" AccountEnabled = $true }, [PSCustomObject]@{ ObjectId = "987e6543-21ba-12d3-a456-426614174000" DisplayName = "SMBuser2" AccountEnabled = $true }, [PSCustomObject]@{ ObjectId = "abcddcba-98fe-76dc-a456-426614174000" DisplayName = "SMBuser3" AccountEnabled = $true } ) #> $users = Get-CISMgOutput -Rec $recnum # Step: Retrieve details of shared mailboxes from Azure AD (Condition B: Pass/Fail) $sharedMailboxDetails = $users | Where-Object {$_.id -in $objectids} # Step: Identify enabled mailboxes (Condition B: Pass/Fail) $enabledMailboxes = $sharedMailboxDetails | Where-Object { $_.AccountEnabled } | ForEach-Object { $_.DisplayName } $allBlocked = $enabledMailboxes.Count -eq 0 # Step: Determine failure reasons based on enabled mailboxes (Condition A & B: Fail) $failureReasons = if (-not $allBlocked) { "Some mailboxes have sign-in enabled (AccountEnabled:True):`n$($enabledMailboxes -join ', ')" } else { "N/A" } # Step: Prepare details for the audit result (Condition A & B: Pass/Fail) $details = if ($allBlocked) { "All shared mailboxes have sign-in blocked." } else { "AccountEnabled set to True Mailboxes: $($enabledMailboxes -join ', ')" } # Step: Create and populate the CISAuditResult object $params = @{ Rec = $recnum Result = $allBlocked # Pass: Condition A, Condition B Status = if ($allBlocked) { "Pass" } else { "Fail" } Details = $details FailureReason = $failureReasons } $auditResult = Initialize-CISAuditResult @params } catch { $LastError = $_ $auditResult = Get-TestError -LastError $LastError -recnum $recnum } } end { # Return the audit result return $auditResult } } |