Scripts/Get-AssetInventory2.ps1
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Param( $ComputerName ) function Get-AssetInventory { $Assets = @() if (Test-Path $ComputerName) { Get-Content $ComputerName | ForEach-Object { $Online = Test-Connection -Count 2 -ComputerName $_ -ErrorAction SilentlyContinue if ($Online) { if ("$_" -as [IPAddress] -as [Bool]) { # ip address $IpAddress = $_ # mac address $ArpCache = Get-NetNeighbor | Where-Object { $_.IPAddress -eq "$IpAddress"} | Select -ExpandProperty LinkLayerAddress $MacAddress = ([regex]::split("$ArpCache", '(.{2})') | Where-Object { $_ }) -join '-' # os $OS = $Online | Select -ExpandProperty TimeToLive # hostname $Hostname = '' # serial number $SerialNumber = '' # user $CurrentUser = '' } $Asset = New-Object -TypeName PSObject Add-Member -InputObject $Asset -MemberType NoteProperty -Name Online -Value $Online Add-Member -InputObject $Asset -MemberType NoteProperty -Name IpAddress -Value $IpAddress Add-Member -InputObject $Asset -MemberType NoteProperty -Name MacAddress -Value $MacAddress Add-Member -InputObject $Asset -MemberType NoteProperty -Name Hostname -Value $Hostname Add-Member -InputObject $Asset -MemberType NoteProperty -Name SerialNumber -Value $SerialNumber Add-Member -InputObject $Asset -MemberType NoteProperty -Name CurrentUser -Value $CurrentUser $Assets += $Asset } } } else { $Targets = $ComputerName } $Assets | ForEach-Object { $Online = $_.Online $IpAddress = $_.IpAddress $MacAddress = $_.MacAddress $Hostname = $_.Hostname $SerialNumber = $_.SerialNumber $CurrentUser = $_.CurrentUser if ($Online) { Write-Host "[+] $IpAddress, $MacAddress, $Hostname, $SerialNumber, $CurrentUser" } else { Write-Host "[x] $IpAddress, $MacAddress, $Hostname, $SerialNumber, $CurrentUser" } } } function Main { if ($ComputerName) { Get-AssetInventory } else { Write-Host "[x] No machines specified." exit } } Main # REFERENCES # https://stackoverflow.com/questions/16360019/how-do-i-add-multi-threading # https://stackoverflow.com/questions/15120597/passing-multiple-values-to-a-single-powershell-script-parameter # https://stackoverflow.com/questions/13264369/how-to-pass-array-of-arguments-to-powershell-commandline # https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/start-job?view=powershell-7 # https://ridicurious.com/2018/11/14/4-ways-to-validate-ipaddress-in-powershell/ # https://sqljana.wordpress.com/2015/08/25/get-operating-system-name-linux-unix-windows-using-powershell/ # https://docs.microsoft.com/en-us/powershell/module/nettcpip/get-netneighbor?view=win10-ps |