Skip to content

Instantly share code, notes, and snippets.

@marcinantkiewicz
Last active September 9, 2021 11:26
  • Star 1 You must be signed in to star a gist
  • Fork 2 You must be signed in to fork a gist
Star You must be signed in to star a gist
Save marcinantkiewicz/9ac20677145f246eb01cd1759cb03f35 to your computer and use it in GitHub Desktop.
# https://gist.github.com/marcinantkiewicz/9ac20677145f246eb01cd1759cb03f35
# Author: Marcin Antkiewicz
# marcin@kajtek.org
# @deciban
# Use:
#find_chrome_extensions -OutputDir "c:\"
#idea ref: https://www.reddit.com/r/PowerShell/comments/5px71w/getting_chrome_extensions/
#PS 2.o has no convertfrom-json, 2.0 helper from http://stackoverflow.com/questions/28077854/powershell-2-0-convertfrom-json-and-convertto-json-implementation
#
# Lists basic infromation about chrome extensions, ex:
# id Name Version Perms
# -- ---- ------- -----
# aapocclcgogkmnckokdopfmhonfmgoek __MSG_appName__ 0.9
# apdfllckaahabafndbhieahigkjlhalf __MSG_appName__ 14.1 {background, clipboardRead, clipboardWrite,
function msa-ConvertFrom-Json([object] $item){
Add-Type -Assembly system.web.extensions
$ps_js=New-Object system.web.script.serialization.javascriptSerializer
#The comma operator is the array construction operator in PowerShell
return ,$ps_js.DeserializeObject($item)
}
function List-ChromeExtensions($path,$user,$output) {
$findings = @()
$chrome_ext_dir = "$path\$user\AppData\Local\Google\Chrome\User Data\Default\Extensions"
$extensions = Get-ChildItem $chrome_ext_dir -ErrorAction SilentlyContinue
if($extensions){
Foreach($ext in $extensions){
foreach($version in (Get-ChildItem $chrome_ext_dir\$ext)){
Foreach($ver in $version){
if(-Not(Test-Path -PathType Leaf $chrome_ext_dir\$ext\$ver\manifest.json)){
$findings += "Error: $ext\$ver has no manifest file"
continue
}
$manifest = Get-Content $chrome_ext_dir\$ext\$ver\manifest.json -ErrorAction SilentlyContinue | Out-String
$jsn = msa-convertfrom-json($manifest)
$info = New-Object PSObject
$info | Add-Member -MemberType NoteProperty -Name Owner -Value $user@$env:ComputerName
$info | Add-Member -MemberType NoteProperty -Name Id -Value $ext.Name
$info | Add-Member -MemberType NoteProperty -Name Name -Value $jsn.name
$info | Add-Member -MemberType NoteProperty -Name Version -Value $jsn.version
$info | Add-Member -MemberType NoteProperty -Name Perms -Value $jsn.permissions
$findings += $info
}
}
}
}
Else {
$info = New-Object PSObject
$info | Add-Member -MemberType NoteProperty -Name Owner -Value $user@$env:ComputerName
$info | Add-Member -MemberType NoteProperty -Name Id -Value "error"
$info | Add-Member -MemberType NoteProperty -Name Error -Value "user $user - cannot find Chrome extensions dir at $chrome_ext_dir"
$findings += $info
}
$findings | Export-Csv $output -NoType
}
function find_chrome_extensions {
param($OutputDir)
$ps_version = $PSVersionTable.PSVersion.Major
$path = "$env:SystemDrive\Users\"
foreach($user in Get-ChildItem -Name $path){
List-ChromeExtensions $path $user "$OutputDir\chrome-extensions-$user.csv"
}
}
#find_chrome_extensions -OutputDir "c:\"
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment