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draft_discovery.ps1
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draft_discovery.ps1
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##########
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#
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# Welcome to the Discovery script, a component of Deployotron! Deployotron is an open-source tool for managing windows computers on your local network.
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# The Discovery Script, in particular, gathers information about the devices on your local network and stores that information for use by other components of Deployotron! :)
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#
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###
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# Definte output file locations
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$currentDate = Get-Date
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$timeDate = $currentDate.ToString("MM_dd_HHmm")
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#####
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# Uncomment the line below to enable options that save data to the directory the script runs from.
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#$runDir = Split-Path -Parent $MyInvocation.MyCommand.Path
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# This will be the name of the folder the data is saved to
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$dataDirN = "Discovery-Data"
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####
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# Replace "D:" with the destination or root folder within which resides the data directory.
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$dataDir = Join-Path -Path "D:" -ChildPath $dataDirN
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####
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# Uncomment the line below to save data generated by the discover script in the directory the script is run from, instead of the drive selected above.
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# $dataDir = Join-Path -Path $runDir -ChildPath $dataDirN
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# This is the name of the folder the logs will be saved in
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$logDirN = "logs"
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$logDir = Join-Path -Path $dataDir -ChildPath $logDirN
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####
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# Uncomment the below line to save logs in the directory the script is run from instead of the data directory.
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#$logDir = Join-Path -Path $runDir -ChildPath $logDirN
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$transcript = "$timeDate.discover.log"
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$transcriptPath = Join-Path -Path $logDir -ChildPath $transcript
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$windowsFile = "WindowsMachines.csv"
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$windowsFilePath = Join-Path -Path $dataDir -ChildPath $windowsFile
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$neighborFile = "NeighborMachines.csv"
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$neighborFilePath = Join-Path -Path $dataDir -ChildPath $neighborFile
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# Start logging
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Start-Transcript -Path $transcriptPath
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# Define the CSV file path to save the results
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$windowsFile = "WindowsMachines.csv"
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$windowsFilePath = Join-Path -Path $dataDir -ChildPath $windowsFile
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$neighborFile = "NeighborMachines.csv"
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$neighborFilePath = Join-Path -Path $dataDir -ChildPath $neighborFile
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# Define the range for the 1st octet (adjust as needed)
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$startRange1stOctet = 192
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$endRange1stOctet = 192
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# Define the range for the 2nd octet (adjust as needed)
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$startRange2ndOctet = 168
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$endRange2ndOctet = 168
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# Define the range for the 3rd octet (adjust as needed)
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$startRange3rdOctet = 0
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$endRange3rdOctet = 2
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# Define the range for the 4th octet (adjust as needed)
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$startRange4thOctet = 1
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$endRange4thOctet = 254
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# Define the list to store discovered Windows machines with IP and hostname
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$windowsMachines = @()
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$neighborMachines = @()
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# Loop through the specified IP range
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for ($subnetOctet1 = $startRange1stOctet; $subnetOctet1 -le $endRange1stOctet; $subnetOctet1++) {
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for ($subnetOctet2 = $startRange2ndOctet; $subnetOctet2 -le $endRange2ndOctet; $subnetOctet2++) {
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for ($subnetOctet3 = $startRange3rdOctet; $subnetOctet3 -le $endRange3rdOctet; $subnetOctet3++) {
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for ($subnetOctet4 = $startRange4thOctet; $subnetOctet4 -le $endRange4thOctet; $subnetOctet4++) {
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$targetIP = "$subnetOctet1.$subnetOctet2.$subnetOctet3.$subnetOctet4"
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# Check if the host is reachable
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$isReachable = Test-Connection -ComputerName $targetIP -Count 1 -ErrorAction SilentlyContinue
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if ($isReachable) {
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# Resolve the IP address to a hostname
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$targethostName = (Resolve-DnsName -Name $targetIP).NameHost
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# Detect MAC address of target
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$targetmacAddress = (Get-NetNeighbor -IPAddress $targetIP).LinkLayerAddress
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# For organizational purposes, here is the place to put other tests other than samba:
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#
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# Check if port 445 (SMB) is open to identify a Windows machine
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$smbResult = Test-NetConnection -ComputerName $targetIP -Port 445 -ErrorAction SilentlyContinue
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if ($smbResult.TcpTestSucceeded) {
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$targetSMB = "Yes"
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$windowsMachines += [PSCustomObject]@{
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Hostname = $targethostName
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IP = $targetIP
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MAC = $targetmacAddress
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}
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}
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else {
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$targetSMB = "No"
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}
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$neighborMachines += [PSCustomObject]@{
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Hostname = $targethostName
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IP = $targetIP
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MAC = $targetmacAddress
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Windows = $targetSMB
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}
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}
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}
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}
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}
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}
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###########
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#
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# Multithreading WIP Code
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#
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#
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## Install the PSThreadJob module if not already installed
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#Install-Module -Name PSThreadJob -Force -Scope CurrentUser
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## Import the PSThreadJob module
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#Import-Module PSThreadJob
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#function Test-Range {
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# param (
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# [string]$ipRange
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# )
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# $ips = 1..254 | ForEach-Object {
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# "$ipRange.$_"
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# }
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# for ($i = 0; $i -lt $ips.Length; $i++) {
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# $targetIP = $ips[$i]
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## Check if the host is reachable
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# $isReachable = Test-Connection -ComputerName $targetIP -Count 1 -ErrorAction SilentlyContinue
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# if ($isReachable) {
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# # Resolve the IP address to a hostname
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# $targethostName = (Resolve-DnsName -Name $targetIP).NameHost
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# # Detect MAC address of target
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# $targetmacAddress = (Get-NetNeighbor -IPAddress $targetIP).LinkLayerAddress
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## For organizational purposes, here is the place to put other tests other than samba:
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# $ftpResult = Test-NetConnection -ComputerName $targetIP -Port 21 -ErrorAction SilentlyContinue
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# if ($ftpResult.TcpTestSucceeded) {
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# $targetFtp = "Yes"
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# }
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# $dnsResult = Test-NetConnection -ComputerName $targetIP -Port 53 -ErrorAction SilentlyContinue
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# if ($dnsResult.TcpTestSucceeded) {
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# $targetDns= "Yes"
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# }
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## Check if port 445 (SMB) is open to identify a Windows machine
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# $smbResult = Test-NetConnection -ComputerName $targetIP -Port 445 -ErrorAction SilentlyContinue
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# if ($smbResult.TcpTestSucceeded) {
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# $targetSMB = "Yes"
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# $windowsMachines += [PSCustomObject]@{
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# Hostname = $targethostName
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# IP = $targetIP
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# MAC = $targetmacAddress
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# }
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# }
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# else {
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# $targetSMB = "No"
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# }
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# $neighborMachines += [PSCustomObject]@{
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# Hostname = $targethostName
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# IP = $targetIP
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# MAC = $targetmacAddress
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# Windows = $targetSMB
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# DNS = $targetDns
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# FTP = $targetFtp
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# }
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# }
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# }
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#}
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## Start a thread job for each IP range
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#$jobs = $ipRanges | ForEach-Object {
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# Start-ThreadJob -ScriptBlock { Test-Range } -ArgumentList $_
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#}
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## Wait for all thread jobs to complete
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#$jobs | Wait-Job
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## Receive the results from all thread jobs
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#$jobs | ForEach-Object {
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# $windowsMachines += Receive-Job -Job $_
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# $neighborMachines += Receive-Job -Job $_
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#}
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## Stop and remove the thread jobs
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#$jobs | Remove-Job
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####
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#
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# End Section: Multithreading WIP Code
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#
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#
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###########
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# Export the list of discovered Windows machines to a CSV file
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$windowsMachines | Export-Csv -Path $windowsFilePath -NoTypeInformation
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$neighborMachines | Export-Csv -Path $neighborFilePath -NoTypeInformation
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Write-Host "List of Windows Machines on the LAN saved to $windowsFilePath."
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Write-Host "Details of all network devices saved to $neighborFilePath."
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# Keep the PowerShell window open for testing.
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Read-Host "Press Enter to exit..."
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