101 lines
4.5 KiB
PowerShell
101 lines
4.5 KiB
PowerShell
function Test-BlockSharedMailboxSignIn {
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[CmdletBinding()]
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[OutputType([CISAuditResult])]
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param (
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# Parameters can be added if needed
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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, if needed
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$RecNum = "1.2.2"
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Write-Verbose "Running Test-BlockSharedMailboxSignIn for $RecNum..."
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# Conditions for 1.2.2 (L1) Ensure sign-in to shared mailboxes is blocked
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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: No shared mailboxes have the "Sign-in blocked" option disabled in the properties pane on the Microsoft 365 admin center.
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# - Condition B: Using PowerShell, the `AccountEnabled` property for all shared mailboxes is set to `False`.
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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 shared mailboxes have the "Sign-in blocked" option enabled in the properties pane on the Microsoft 365 admin center.
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# - Condition B: Using PowerShell, the `AccountEnabled` property for one or more shared mailboxes is set to `True`.
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}
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process {
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try {
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# Step: Retrieve shared mailbox details
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# $objectids Mock Object
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<#
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$objectids = @(
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"123e4567-e89b-12d3-a456-426614174000",
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"987e6543-21ba-12d3-a456-426614174000",
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"abcddcba-98fe-76dc-a456-426614174000"
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)
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#>
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$objectids = Get-CISExoOutput -Rec $RecNum
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# Step: Retrieve user details from Azure AD
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# $users Mock Object
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<#
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$accountDetails = @(
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[PSCustomObject]@{
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ObjectId = "123e4567-e89b-12d3-a456-426614174000"
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DisplayName = "SMBuser1"
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AccountEnabled = $true
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},
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[PSCustomObject]@{
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ObjectId = "987e6543-21ba-12d3-a456-426614174000"
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DisplayName = "SMBuser2"
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AccountEnabled = $true
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},
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[PSCustomObject]@{
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ObjectId = "abcddcba-98fe-76dc-a456-426614174000"
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DisplayName = "SMBuser3"
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AccountEnabled = $true
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}
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)
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#>
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$users = Get-CISMgOutput -Rec $RecNum
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# Step: Retrieve details of shared mailboxes from Azure AD (Condition B: Pass/Fail)
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$sharedMailboxDetails = $users | Where-Object {$_.id -in $objectids}
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# Step: Identify enabled mailboxes (Condition B: Pass/Fail)
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$enabledMailboxes = $sharedMailboxDetails | Where-Object { $_.AccountEnabled } | ForEach-Object { $_.DisplayName }
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$allBlocked = $enabledMailboxes.Count -eq 0
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# Step: Determine failure reasons based on enabled mailboxes (Condition A & B: Fail)
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$failureReasons = if (-not $allBlocked) {
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"Some mailboxes have sign-in enabled (AccountEnabled:True):`n$($enabledMailboxes -join ', ')"
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}
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else {
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"N/A"
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}
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# Step: Prepare details for the audit result (Condition A & B: Pass/Fail)
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$details = if ($allBlocked) {
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"All shared mailboxes have sign-in blocked."
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}
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else {
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"AccountEnabled set to True Mailboxes: $($enabledMailboxes -join ', ')"
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}
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# Step: Create and populate the CISAuditResult object
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$params = @{
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Rec = $RecNum
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Result = $allBlocked # Pass: Condition A, Condition B
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Status = if ($allBlocked) { "Pass" } else { "Fail" }
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Details = $details
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FailureReason = $failureReasons
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}
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$auditResult = Initialize-CISAuditResult @params
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}
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catch {
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$LastError = $_
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$auditResult = Get-TestError -LastError $LastError -RecNum $RecNum
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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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