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) 
            
        }
        
    }

}