public/discover.ps1
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function Get-FalconAsset { <# .SYNOPSIS Search for assets in Falcon Discover .DESCRIPTION Requires 'Falcon Discover: Read' and 'Falcon Discover IoT: Read'. .PARAMETER Id Asset identifier .PARAMETER Filter Falcon Query Language expression to limit results .PARAMETER Sort Property and direction to sort results .PARAMETER Limit Maximum number of results per request .PARAMETER Include Include additional properties .PARAMETER Offset Position to begin retrieving results .PARAMETER Detailed Retrieve detailed information .PARAMETER All Repeat requests until all available results are retrieved .PARAMETER Total Display total result count instead of results .PARAMETER Account Search for user account assets .PARAMETER Application Search for applications .PARAMETER IoT Search for IoT assets .PARAMETER Login Search for login events .LINK https://github.com/crowdstrike/psfalcon/wiki/Get-FalconAsset #> [CmdletBinding(DefaultParameterSetName='/discover/queries/hosts/v1:get',SupportsShouldProcess)] param( [Parameter(ParameterSetName='/discover/entities/accounts/v1:get',Mandatory,ValueFromPipelineByPropertyName, ValueFromPipeline)] [Parameter(ParameterSetName='/discover/entities/applications/v1:get',Mandatory, ValueFromPipelineByPropertyName,ValueFromPipeline)] [Parameter(ParameterSetName='/discover/entities/hosts/v1:get',Mandatory,ValueFromPipelineByPropertyName, ValueFromPipeline)] [Parameter(ParameterSetName='/discover/entities/iot-hosts/v1:get',Mandatory, ValueFromPipelineByPropertyName,ValueFromPipeline)] [Parameter(ParameterSetName='/discover/entities/logins/v1:get',Mandatory,ValueFromPipelineByPropertyName, ValueFromPipeline)] [ValidatePattern('^[a-fA-F0-9]{32}_\w+$')] [Alias('Ids')] [string[]]$Id, [Parameter(ParameterSetName='/discover/queries/accounts/v1:get',Position=1)] [Parameter(ParameterSetName='/discover/queries/applications/v1:get',Position=1)] [Parameter(ParameterSetName='/discover/queries/hosts/v1:get',Position=1)] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get',Position=1)] [Parameter(ParameterSetName='/discover/queries/logins/v1:get',Position=1)] [ValidateScript({ Test-FqlStatement $_ })] [string]$Filter, [Parameter(ParameterSetName='/discover/queries/accounts/v1:get',Position=2)] [Parameter(ParameterSetName='/discover/queries/applications/v1:get',Position=2)] [Parameter(ParameterSetName='/discover/queries/hosts/v1:get',Position=2)] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get',Position=2)] [Parameter(ParameterSetName='/discover/queries/logins/v1:get',Position=2)] [string]$Sort, [Parameter(ParameterSetName='/discover/queries/accounts/v1:get',Position=3)] [Parameter(ParameterSetName='/discover/queries/applications/v1:get',Position=3)] [Parameter(ParameterSetName='/discover/queries/hosts/v1:get',Position=3)] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get',Position=3)] [Parameter(ParameterSetName='/discover/queries/logins/v1:get',Position=3)] [ValidateRange(1,100)] [int32]$Limit, [Parameter(ParameterSetName='/discover/queries/hosts/v1:get',Position=4)] [Parameter(ParameterSetName='/discover/queries/accounts/v1:get',Position=4)] [ValidateSet('login_event',IgnoreCase=$false)] [string[]]$Include, [Parameter(ParameterSetName='/discover/queries/hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/accounts/v1:get')] [Parameter(ParameterSetName='/discover/queries/applications/v1:get')] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/logins/v1:get')] [int32]$Offset, [Parameter(ParameterSetName='/discover/queries/accounts/v1:get')] [Parameter(ParameterSetName='/discover/queries/applications/v1:get')] [Parameter(ParameterSetName='/discover/queries/hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/logins/v1:get')] [switch]$Detailed, [Parameter(ParameterSetName='/discover/queries/accounts/v1:get')] [Parameter(ParameterSetName='/discover/queries/applications/v1:get')] [Parameter(ParameterSetName='/discover/queries/hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/logins/v1:get')] [switch]$All, [Parameter(ParameterSetName='/discover/queries/accounts/v1:get')] [Parameter(ParameterSetName='/discover/queries/applications/v1:get')] [Parameter(ParameterSetName='/discover/queries/hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get')] [Parameter(ParameterSetName='/discover/queries/logins/v1:get')] [switch]$Total, [Parameter(ParameterSetName='/discover/entities/accounts/v1:get',Mandatory)] [Parameter(ParameterSetName='/discover/queries/accounts/v1:get',Mandatory)] [switch]$Account, [Parameter(ParameterSetName='/discover/entities/applications/v1:get',Mandatory)] [Parameter(ParameterSetName='/discover/queries/applications/v1:get',Mandatory)] [switch]$Application, [Parameter(ParameterSetName='/discover/entities/iot-hosts/v1:get',Mandatory)] [Parameter(ParameterSetName='/discover/queries/iot-hosts/v1:get',Mandatory)] [switch]$IoT, [Parameter(ParameterSetName='/discover/entities/logins/v1:get',Mandatory)] [Parameter(ParameterSetName='/discover/queries/logins/v1:get',Mandatory)] [switch]$Login ) begin { $Param = @{ Command = $MyInvocation.MyCommand.Name; Endpoint = $PSCmdlet.ParameterSetName; Max = 100 } [System.Collections.Generic.List[string]]$List = @() } process { if ($Id) { @($Id).foreach{ $List.Add($_) }}} end { if ($List) { $PSBoundParameters['Id'] = @($List | Select-Object -Unique) } $Request = if ($Detailed -and ($Account -or $Application -or $IoT -or $Login)) { [void]$PSBoundParameters.Remove('Detailed') $IdList = Invoke-Falcon @Param -UserInput $PSBoundParameters if ($IdList -and $Account) { $IdList | & $MyInvocation.MyCommand.Name -Account } elseif ($IdList -and $Application) { $IdList | & $MyInvocation.MyCommand.Name -Application } elseif ($IdList -and $IoT) { $IdList | & $MyInvocation.MyCommand.Name -IoT } elseif ($IdList -and $Login) { $IdList | & $MyInvocation.MyCommand.Name -Login } } else { Invoke-Falcon @Param -UserInput $PSBoundParameters } if ($Include) { if (!$Request.id) { $Request = @($Request).foreach{ ,[PSCustomObject]@{ id = $_ }}} if ($Include -contains 'login_event') { # Define property to match 'login' results with 'id' value [string]$Property = if ($Account) { 'account_id' } else { 'host_id' } for ($i = 0; $i -lt ($Request | Measure-Object).Count; $i += 100) { # In groups of 100, perform filtered search for login events $Filter = @(@($Request.id)[$i..($i + 99)]).foreach{ $Property,"'$_'" -join ':' } -join ',' $Content = & $MyInvocation.MyCommand.Name -Filter $Filter -Detailed -All -Login -EA 0 foreach ($Value in @($Content.$Property | Select-Object -Unique)) { @($Request).Where({ $_.id -eq $Value }).foreach{ # Append matched login events to 'id' using 'host_id' or 'account_id' Set-Property $_ login_event @($Content).Where({ $_.$Property -eq $Value }) } } } } } $Request } } |