public/Get-SecurityUpdate.ps1
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Function Get-SecurityUpdate { <# .SYNOPSIS Get all the security update information for local or remote machines .DESCRIPTION Get all the security update information for local or remote machines. Requires the RemoteRegistry to be enabled on the machine. Will look for 'Update','Rollup','Security Update','Service Pack' and 'HotFix' .PARAMETER ComputerName Provide the computername(s) to query Default value is the local machine .EXAMPLE Get-SecurityUpdate -ComputerName 'CONTOSO-SRV01','CONTOSO-WEB01' Description ----------- Gets the security update information for both CONTOSO-SRV01 and CONTOSO-WEB01 .NOTES Name: Get-SecurityUpdate.ps1 Author: Robert Prüst Module: PSP-Inventory DateCreated: 21-02-2019 DateModified: 05-03-2019 Blog: https://powershellpr0mpt.com .LINK https://powershellpr0mpt.com #> [OutputType('PSP.Inventory.SecurityUpdate')] [Cmdletbinding()] param( [Parameter(Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [ValidateNotNullorEmpty()] [String[]]$ComputerName = $env:COMPUTERNAME ) begin { [datetime]$InventoryDate = Get-Date } process { foreach ($Computer in $ComputerName) { $Computer = $Computer.ToUpper() $Paths = @("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall", "SOFTWARE\\Wow6432node\\Microsoft\\Windows\\CurrentVersion\\Uninstall") foreach ($Path in $Paths) { try { $reg = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey('LocalMachine', $Computer) } catch { $_ Continue } try { $regkey = $reg.OpenSubKey($Path) $subkeys = $regkey.GetSubKeyNames() foreach ($key in $subkeys) { $thisKey = $Path + "\\" + $key $thisSubKey = $reg.OpenSubKey($thisKey) $DisplayName = $thisSubKey.getValue("DisplayName") if ($DisplayName -AND $DisplayName -match '^Update for|Rollup|^Security Update|^Service Pack|^HotFix') { $Date = $thisSubKey.GetValue('InstallDate') if ($Date) { Write-Verbose $Date $Date = $Date -replace '(\d{4})(\d{2})(\d{2})', '$1-$2-$3' Write-Verbose $Date $Date = Get-Date $Date } if ($DisplayName -match '(?<DisplayName>.*)\((?<KB>KB.*?)\).*') { $DisplayName = $Matches.DisplayName $HotFixID = $Matches.KB } switch -Wildcard ($DisplayName) { "Service Pack*" {$Description = 'Service Pack'} "Hotfix*" {$Description = 'Hotfix'} "Update*" {$Description = 'Update'} "Security Update*" {$Description = 'Security Update'} Default {$Description = 'Unknown'} } $Update = [PSCustomObject] @{ ComputerName = $Computer Type = $Description HotFixID = $HotFixID InstalledOn = $Date Description = $DisplayName InventoryDate = $InventoryDate } $Update.PSTypeNames.Insert(0, 'PSP.Inventory.SecurityUpdate') $Update } } $reg.Close() } catch {} } } } } |