90 lines
3.8 KiB
PowerShell
90 lines
3.8 KiB
PowerShell
function Test-NoWhitelistDomains {
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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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# Define your parameters here
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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 = "6.2.2"
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<#
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Conditions for 6.2.2 (L1) Ensure mail transport rules do not whitelist specific domains (Automated)
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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 mail transport rules whitelist any specific domains.
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- Condition B: Verification of mail transport rules using PowerShell shows no domains are whitelisted.
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- Condition C: Manual review in Exchange Online admin center confirms no whitelisted domains in transport rules.
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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 mail transport rules whitelist specific domains.
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- Condition B: Verification of mail transport rules using PowerShell shows one or more domains are whitelisted.
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- Condition C: Manual review in Exchange Online admin center shows whitelisted domains in transport rules.
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#>
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}
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process {
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try {
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# 6.2.2 (L1) Ensure mail transport rules do not whitelist specific domains
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# Retrieve transport rules that whitelist specific domains
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# Condition A: Checking for transport rules that whitelist specific domains
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$whitelistedRules = Get-TransportRule | Where-Object { $_.SetSCL -eq -1 -and $null -ne $_.SenderDomainIs }
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# Prepare failure reasons and details based on compliance
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# Condition B: Prepare failure reasons based on the presence of whitelisted rules
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$failureReasons = if ($whitelistedRules) {
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"There are transport rules whitelisting specific domains."
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}
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else {
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"N/A"
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}
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# Condition C: Prepare details about the whitelisted rules if found
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$details = if ($whitelistedRules) {
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$ruleDetails = $whitelistedRules | ForEach-Object { "{0}: {1}" -f $_.Name, ($_.SenderDomainIs -join ', ') }
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"Whitelisted Rules: $($ruleDetails -join '; ')"
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}
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else {
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"No transport rules whitelisting specific domains found."
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}
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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 = -not $whitelistedRules
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Status = if ($whitelistedRules) { "Fail" } else { "Pass" }
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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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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 auditResult
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return $auditResult
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}
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}
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