gistfile1.txt

Function Get-SystemInfo {

    <#
    .SYNOPSIS
    Get Complete details of local system info
    .DESCRIPTION
    This function uses WMI class to query local machine for system info.
    Output is saved to [array] $data
    .EXAMPLE 
    Get-SystemInfo
    .EXAMPLE 
    Get-SystemInfo -ComputerName HQSPDBSP01
    .NOTES
    To get help:
    Get-Help Get-SystemInfo
    .LINK
    http://sqlpowershell.wordpress.com
    #>


    # Declare main data hashtable to be populated later
    $data = @{}

    $data.'ComputerName'=$env:COMPUTERNAME

    # Do a DNS lookup with a .NET class method. Suppress error messages.
    $ErrorActionPreference = 'SilentlyContinue'
    if ( $ips = [System.Net.Dns]::GetHostAddresses($env:COMPUTERNAME) | foreach { $_.IPAddressToString } ) {
        $data.'IP Address(es) from DNS' = ($ips -join ', ')
    } else {
        $data.'IP Address from DNS' = 'Could not resolve'
    }
    # Make errors visible again
    $ErrorActionPreference = 'Continue'


    # Get various info from the ComputerSystem WMI class
    if ($wmi = Get-WmiObject -ComputerName $env:COMPUTERNAME -Class Win32_ComputerSystem -ErrorAction SilentlyContinue) {
        $data.'Computer Hardware Manufacturer' = $wmi.Manufacturer
        $data.'Computer Hardware Model'        = $wmi.Model
        $data.'Memory Physical in MB'          = ($wmi.TotalPhysicalMemory/1MB).ToString('N')
        $data.'Logged On User'                 = $wmi.Username
    }
    
    $wmi = $null
    
    # Get the free/total disk space from local disks (DriveType 3)
    if ($wmi = Get-WmiObject -Computer $env:COMPUTERNAME -Class Win32_LogicalDisk -Filter 'DriveType=3' -ErrorAction SilentlyContinue) {
        $wmi | Select 'DeviceID', 'Size', 'FreeSpace' | Foreach {
            $data."Local disk $($_.DeviceID)" = ('' + ($_.FreeSpace/1MB).ToString('N') + ' MB free of ' + ($_.Size/1MB).ToString('N') + ' MB total space with ' + ($_.Size/1MB - $_.FreeSpace/1MB).ToString('N') +' MB Used Space')
        }
    }
    
    $wmi = $null
    
    # Get IP addresses from all local network adapters through WMI
    if ($wmi = Get-WmiObject -Computer $env:COMPUTERNAME -Class Win32_NetworkAdapterConfiguration -ErrorAction SilentlyContinue) {
        $Ips = @{}
        $wmi | Where { $_.IPAddress -match '\S+' } | Foreach { $_.MACAddress = $Ips.$($_.IPAddress -join ', ') }
        $counter = 0
        $Ips.GetEnumerator() | Foreach {
            $counter++
            $data."IP Address $counter" = '' + $_.Name + ' (MAC: ' + $_.Value + ')'
        }
    }
    
    $wmi = $null
    
    # Get CPU information with WMI
    if ($wmi = Get-WmiObject -Computer $env:COMPUTERNAME -Class Win32_Processor -ErrorAction SilentlyContinue) {
        $wmi | Foreach {
            $maxClockSpeed     =  $_.MaxClockSpeed
            $numberOfCores     += $_.NumberOfCores
            $description       =  $_.Description
            $numberOfLogProc   += $_.NumberOfLogicalProcessors
            $socketDesignation =  $_.SocketDesignation
            $status            =  $_.Status
            $manufacturer      =  $_.Manufacturer
            $name              =  $_.Name
        }
        $data.'CPU Clock Speed'        = $maxClockSpeed
        $data.'CPU Cores'              = $numberOfCores
        $data.'CPU Description'        = $description
        $data.'CPU Logical Processors' = $numberOfLogProc
        $data.'CPU Socket'             = $socketDesignation
        $data.'CPU Status'             = $status
        $data.'CPU Manufacturer'       = $manufacturer
        $data.'CPU Name'               = $name -replace '\s+', ' '
    }
    
    $wmi = $null
    
    # Get BIOS info from WMI
    if ($wmi = Get-WmiObject -Computer $env:COMPUTERNAME -Class Win32_Bios -ErrorAction SilentlyContinue) {
        $data.'BIOS Manufacturer' = $wmi.Manufacturer
        $data.'BIOS Name'         = $wmi.Name
        $data.'BIOS Version'      = $wmi.Version
    }
    
    $wmi = $null
    
    # Get operating system info from WMI
    if ($wmi = Get-WmiObject -Computer $env:COMPUTERNAME -Class Win32_OperatingSystem -ErrorAction SilentlyContinue) {
        $data.'OS Boot Time'     = $wmi.ConvertToDateTime($wmi.LastBootUpTime)
        $data.'OS System Drive'  = $wmi.SystemDrive
        $data.'OS System Device' = $wmi.SystemDevice
        $data.'OS Language     ' = $wmi.OSLanguage
        $data.'OS Version'       = $wmi.Version
        $data.'OS Windows dir'   = $wmi.WindowsDirectory
        $data.'OS Name'          = $wmi.Caption
        $data.'OS Install Date'  = $wmi.ConvertToDateTime($wmi.InstallDate)
        $data.'OS Service Pack'  = [string]$wmi.ServicePackMajorVersion + '.' + $wmi.ServicePackMinorVersion
    }
    
    # Scan for open ports
    $ports = @{
        'FTP (Data)'      = '20'  ;
        'FTP (Control)'   = '21'  ;
        'SSH'             = '22'  ;
        'Telnet'          = '23'  ;
        'SMTP'            = '25'  ;
        'Finger'          = '79'  ;
        'HTTP'            = '80'  ;
        'POP3'            = '110' ;
        'Ident'           = '113' ;
        'NNTP'            = '119' ;
        'DCE endpoint'    = '135' ;
        'NetBIOS'         = '137' ;
        'File shares/RPC' = '139' ;
        'IMAP'            = '143' ;
        'LDAP'            = '389' ;
        'HTTPS'           = '443' ;
        'File shares'     = '445' ;
        'MS NetMeeting'   = '1002' ;
        '(trojans)'       = '1024' ;
        '(KWM trojans)'   = '1030' ;
        'SOCKS proxy'     = '1080' ;
        'VOIP'            = '1720' ;
        'Zenworks'        = '1761';
        'UPnP Discovery'  = '1900' ;
        'RDP'             = '3389';
        '(multiple)'      = '5000';
        'alt. HTTP'        = '8080';
    }

    foreach ($service in $ports.Keys) {
        $socket = New-Object Net.Sockets.TcpClient
        
        # Suppress error messages
        $ErrorActionPreference = 'SilentlyContinue'
        
        # Try to connect
        $socket.Connect($env:COMPUTERNAME, $ports.$service)
        
        # Make error messages visible again
        $ErrorActionPreference = 'Continue'
        
        if ($socket.Connected) {
            $data."Port $($ports.$service) ($service)" = 'Open'
            $socket.Close()
        }else {
            $data."Port $($ports.$service) ($service)" = 'Closed or filtered'
        }

        $socket = $null
    }

    $wmi = $null

    # RAM, Processor(s), User(s)
    if ($wmi = Get-WmiObject -Class Win32_OperatingSystem -computername $env:COMPUTERNAME -ErrorAction SilentlyContinue| Select-Object Name, TotalVisibleMemorySize, FreePhysicalMemory,TotalVirtualMemorySize,FreeVirtualMemory,FreeSpaceInPagingFiles,NumberofProcesses,NumberOfUsers ) {    
        $wmi | Foreach {  
            $TotalRAM     =  $_.TotalVisibleMemorySize/1MB
            $FreeRAM     = $_.FreePhysicalMemory/1MB
            $UsedRAM       =  $_.TotalVisibleMemorySize/1MB - $_.FreePhysicalMemory/1MB
            $TotalRAM = [Math]::Round($TotalRAM, 2)
            $FreeRAM = [Math]::Round($FreeRAM, 2)
            $UsedRAM = [Math]::Round($UsedRAM, 2)
            $RAMPercentFree = ($FreeRAM / $TotalRAM) * 100
            $RAMPercentFree = [Math]::Round($RAMPercentFree, 2)
            $TotalVirtualMemorySize  = [Math]::Round($_.TotalVirtualMemorySize/1MB, 3)
            $FreeVirtualMemory =  [Math]::Round($_.FreeVirtualMemory/1MB, 3)
            $FreeSpaceInPagingFiles            =  [Math]::Round($_.FreeSpaceInPagingFiles/1MB, 3)
            $NumberofProcesses      =  $_.NumberofProcesses
            $NumberOfUsers              =  $_.NumberOfUsers
        }
        $data.'Memory - Total RAM GB '  = $TotalRAM
        $data.'Memory - RAM Free GB'    = $FreeRAM
        $data.'Memory - RAM Used GB'    = $UsedRAM
        $data.'Memory - Percentage Free'= $RAMPercentFree
        $data.'Memory - TotalVirtualMemorySize' = $TotalVirtualMemorySize
        $data.'Memory - FreeVirtualMemory' = $FreeVirtualMemory
        $data.'Memory - FreeSpaceInPagingFiles' = $FreeSpaceInPagingFiles
        $data.'NumberofProcesses'= $NumberofProcesses
        $data.'NumberOfUsers'    = $NumberOfUsers -replace '\s+', ' '
    }

    # Output data
    "#"*80
    "OS Complete Information"
    "Generated $(get-date)"
    "Generated from $(gc env:computername)"
    "#"*80

    $data.GetEnumerator() | Sort-Object 'Name' | Format-Table -AutoSize
    #$data.GetEnumerator() | Sort-Object 'Name' | Out-GridView -Title "$computer Information"

}