Checks/check-ORCA205.ps1
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<#
205 Checks to determine if Common attachment type filter is enbaled in EOP Anti-malware policy. #> using module "..\ORCA.psm1" class ORCA205 : ORCACheck { <# CONSTRUCTOR with Check Header Data #> ORCA205() { $this.Control=205 $this.Area="Malware Filter Policy" $this.Name="Common Attachment Type Filter" $this.PassText="Common attachment type filter is enabled" $this.FailRecommendation="Enable common attachment type filter" $this.Importance="The common attachment type filter can block file types that commonly contain malware, including in internal emails." $this.ExpandResults=$True $this.CheckType=[CheckType]::ObjectPropertyValue $this.ObjectType="Policy" $this.ItemName="Setting" $this.DataType="Current Value" $this.ChiValue=[ORCACHI]::Low $this.Links= @{ "Security & Compliance Center - Anti-malware"="https://protection.office.com/antimalware" "Configure anti-malware policies"="https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/configure-anti-malware-policies" "Recommended settings for EOP and Office 365 ATP security"="https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/recommended-settings-for-eop-and-office365-atp#anti-spam-anti-malware-and-anti-phishing-protection-in-eop" } } <# RESULTS #> GetResults($Config) { ForEach($Policy in $Config["MalwareFilterPolicy"]) { # Check objects $ConfigObject = [ORCACheckConfig]::new() $ConfigObject.Object=$($Policy.Name) $ConfigObject.ConfigItem="EnableFileFilter" $ConfigObject.ConfigData=$($Policy.EnableFileFilter) # Fail if EnableFileFilter is not set to true or FileTypes is empty in the policy If($Policy.EnableFileFilter -eq $false) { $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Fail") } Else { $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Pass") } $this.AddConfig($ConfigObject) # Check objects $ConfigObject = [ORCACheckConfig]::new() $ConfigObject.Object=$($Policy.Name) $ConfigObject.ConfigItem="FileTypes" $ConfigObject.ConfigData=$(@($Policy.FileTypes).Count) If(@($Policy.FileTypes).Count -eq 0) { $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Fail") } Else { $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Pass") } $this.AddConfig($ConfigObject) } } } |