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PowerShell 2.0 script to get processes tree
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# Modified to include support for CommandLine, File Hashes, File Paths, Signing Certificates | |
# Copyright (c) 2020 Jai Minton. All rights reserved. | |
# Copyright (c) 2014 Atif Aziz. All rights reserved. | |
# | |
# Licensed under the Apache License, Version 2.0 (the "License"); | |
# you may not use this file except in compliance with the License. | |
# You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, software | |
# distributed under the License is distributed on an "AS IS" BASIS, | |
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
# See the License for the specific language governing permissions and | |
# limitations under the License. | |
# Adapted from http://p0w3rsh3ll.wordpress.com/2012/10/12/show-processtree/ | |
function Get-ProcessTree | |
{ | |
[CmdletBinding()] | |
param([string]$ComputerName, [int]$IndentSize = 2) | |
$indentSize = [Math]::Max(1, [Math]::Min(12, $indentSize)) | |
$computerName = ($computerName, ".")[[String]::IsNullOrEmpty($computerName)] | |
$processes = Get-WmiObject Win32_Process -ComputerName $computerName | |
$pids = $processes | select -ExpandProperty ProcessId | |
$parents = $processes | select -ExpandProperty ParentProcessId -Unique | |
$liveParents = $parents | ? { $pids -contains $_ } | |
$deadParents = Compare-Object -ReferenceObject $parents -DifferenceObject $liveParents ` | |
| select -ExpandProperty InputObject | |
$processByParent = $processes | Group-Object -AsHashTable ParentProcessId | |
function Write-ProcessTree($process, [int]$level = 0) | |
{ | |
$id = $process.ProcessId | |
$processCommandLine = $process.CommandLine | |
$parentProcessId = $process.ParentProcessId | |
$process = Get-Process -Id $id -ComputerName $computerName | |
$hash = ($process | gi -ea SilentlyContinue|filehash -ea 0).hash | |
$signingstatus = ($process | gi -ea SilentlyContinue|authenticodesignature -ea 0).status | |
$indent = New-Object String(' ', ($level * $indentSize)) | |
$process ` | |
| Add-Member NoteProperty CommandLine $processCommandLine -PassThru ` | |
| Add-Member NoteProperty ParentId $parentProcessId -PassThru ` | |
| Add-Member NoteProperty Level $level -PassThru ` | |
| Add-Member NoteProperty Hash $hash -PassThru ` | |
| Add-Member NoteProperty signature $signingstatus -PassThru ` | |
| Add-Member NoteProperty IndentedName "$indent$($process.Name)" -PassThru | |
$processByParent.Item($id) ` | |
| ? { $_ } ` | |
| % { Write-ProcessTree $_ ($level + 1) } | |
} | |
$processes ` | |
| ? { $_.ProcessId -ne 0 -and ($_.ProcessId -eq $_.ParentProcessId -or $deadParents -contains $_.ParentProcessId) } ` | |
| % { Write-ProcessTree $_ } | |
} | |
<# Usage: | |
import-module .\Get-ProcessTree.ps1 | |
Get-ProcessTree -Verbose | select Id, Level, IndentedName, ParentId | |
OR for more verbose output: | |
Get-ProcessTree -Verbose | FT Id, Level, IndentedName,ParentId,Path,Hash,CommandLine -AutoSize | |
Get-ProcessTree -Verbose | FT Id, Level, IndentedName,ParentId,Hash,CommandLine -AutoSize | |
Get-ProcessTree -Verbose | FT Id, Level, IndentedName,ParentId,Hash,signature,CommandLine -AutoSize | |
#> |
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Hi JP,
Great! That pretty much works. Look very nice!
However, for some reason
csrss.exe
,audiodg.exe
, andservices.exe
are not showing the Paths. Any idea why?PS.
Get-WmiObject
is deprecated.