Files
M365FoundationsCISReport/source/tests/Test-NotifyMalwareInternal.ps1

95 lines
4.1 KiB
PowerShell

function Test-NotifyMalwareInternal {
[CmdletBinding()]
[OutputType([CISAuditResult])]
param (
# Aligned
# Parameters can be added if needed
)
begin {
<#
# Conditions for 2.1.3 (L1) Ensure notifications for internal users sending malware is Enabled
#
# 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: Notifications for internal users sending malware are enabled in the Microsoft 365 Security & Compliance Center.
# - Condition B: Using PowerShell, the `NotifyInternal` property in the anti-malware policy is set to `True` and includes at least one valid email address for notifications.
#
# 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: Notifications for internal users sending malware are not enabled in the Microsoft 365 Security & Compliance Center.
# - Condition B: Using PowerShell, the `NotifyInternal` property in the anti-malware policy is set to `False` or does not include any valid email addresses for notifications.
#>
# Dot source the class script if necessary
#. .\source\Classes\CISAuditResult.ps1
# Initialization code, if needed
$recnum = "2.1.3"
}
process {
try {
# 2.1.3 Ensure notifications for internal users sending malware is Enabled
# Retrieve all 'Custom' malware filter policies and check notification settings
$malwareNotifications = Get-CISExoOutput -Rec $recnum
# Condition B: Using PowerShell, the `NotifyInternal` property in the anti-malware policy is set to `True` and includes at least one valid email address for notifications.
$policiesToReport = @()
foreach ($policy in $malwareNotifications) {
if ($policy.EnableInternalSenderAdminNotifications -ne $true) {
$policiesToReport += "$($policy.Identity): Notifications Disabled"
}
}
# Determine the result based on the presence of custom policies without notifications
$result = $policiesToReport.Count -eq 0
# Prepare failure reasons and details based on compliance
$failureReasons = if ($result) {
"N/A"
}
else {
# Condition A: Notifications for internal users sending malware are not enabled in the Microsoft 365 Security & Compliance Center.
"Some custom policies do not have notifications for internal users sending malware enabled."
}
$details = if ($result) {
"All custom malware policies have notifications enabled."
}
else {
"Misconfigured Policies: $($policiesToReport -join ', ')"
}
# Create and populate the CISAuditResult object
$params = @{
Rec = $recnum
Result = $result
Status = if ($result) { "Pass" } else { "Fail" }
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 the audit result
return $auditResult
}
}