tests/Test-NoWhitelistDomains.ps1
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function Test-NoWhitelistDomains { [CmdletBinding()] [OutputType([CISAuditResult])] param ( # Aligned # Define your parameters here ) begin { # Dot source the class script if necessary #. .\source\Classes\CISAuditResult.ps1 # Initialization code, if needed $recnum = "6.2.2" <# Conditions for 6.2.2 (L1) Ensure mail transport rules do not whitelist specific domains (Automated) 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 mail transport rules whitelist any specific domains. - Condition B: Verification of mail transport rules using PowerShell shows no domains are whitelisted. - Condition C: Manual review in Exchange Online admin center confirms no whitelisted domains in transport rules. 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 mail transport rules whitelist specific domains. - Condition B: Verification of mail transport rules using PowerShell shows one or more domains are whitelisted. - Condition C: Manual review in Exchange Online admin center shows whitelisted domains in transport rules. #> } process { try { # 6.2.2 (L1) Ensure mail transport rules do not whitelist specific domains # Retrieve transport rules that whitelist specific domains # Condition A: Checking for transport rules that whitelist specific domains $whitelistedRules = Get-TransportRule | Where-Object { $_.SetSCL -eq -1 -and $null -ne $_.SenderDomainIs } # Prepare failure reasons and details based on compliance # Condition B: Prepare failure reasons based on the presence of whitelisted rules $failureReasons = if ($whitelistedRules) { "There are transport rules whitelisting specific domains." } else { "N/A" } # Condition C: Prepare details about the whitelisted rules if found $details = if ($whitelistedRules) { $ruleDetails = $whitelistedRules | ForEach-Object { "{0}: {1}" -f $_.Name, ($_.SenderDomainIs -join ', ') } "Whitelisted Rules: $($ruleDetails -join '; ')" } else { "No transport rules whitelisting specific domains found." } # Create and populate the CISAuditResult object $params = @{ Rec = $recnum Result = -not $whitelistedRules Status = if ($whitelistedRules) { "Fail" } else { "Pass" } Details = $details FailureReason = $failureReasons } $auditResult = Initialize-CISAuditResult @params } catch { Write-Error "An error occurred during the test: $_" # Retrieve the description from the test definitions $testDefinition = $script:TestDefinitionsObject | Where-Object { $_.Rec -eq $recnum } $description = if ($testDefinition) { $testDefinition.RecDescription } else { "Description not found" } $script:FailedTests.Add([PSCustomObject]@{ Rec = $recnum; Description = $description; Error = $_ }) # Call Initialize-CISAuditResult with error parameters $auditResult = Initialize-CISAuditResult -Rec $recnum -Failure } } end { # Return auditResult return $auditResult } } |