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Invoke-HardeningKitty.ps1
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Invoke-HardeningKitty.ps1
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Function Invoke-HardeningKitty {
<#
.SYNOPSIS
Invoke-HardeningKitty - Checks and hardens your Windows configuration
=^._.^=
_( )/ HardeningKitty
Author: Michael Schneider
License: MIT
Required Dependencies: None
Optional Dependencies: None
.DESCRIPTION
HardeningKitty supports hardening of a Windows system. The configuration of the system is
retrieved and assessed using a finding list. In addition, the system can be hardened according
to predefined values. HardeningKitty reads settings from the registry and uses other modules
to read configurations outside the registry.
.PARAMETER FileFindingList
Path to a finding list in CSV format. HardeningKitty has one list each for machine and user settings.
.PARAMETER Mode
The mode Config only retrieves the settings, while the mode Audit performs an assessment of the settings.
The mode HailMary hardens the system according to recommendations of the HardeningKitty list.
.PARAMETER EmojiSupport
The use of emoji is activated. The terminal should support this accordingly. Windows Terminal
offers full support.
.PARAMETER Log
The logging function is activated. The script output is additionally logged in a file. The file
name is assigned by HardeningKitty itself and the file is stored in the same directory as the script.
.PARAMETER LogFile
The name and location of the log file can be defined by the user.
.PARAMETER Report
The retrieved settings and their assessment result are stored in CSV format in a machine-readable format.
The file name is assigned by HardeningKitty itself and the file is stored in the same directory as the script.
.PARAMETER ReportFile
The name and location of the report file can be defined by the user.
.PARAMETER Backup
The retrieved settings and their assessment result are stored in CSV format in a machine-readable format with all value to backup your previous config.
.PARAMETER SkipMachineInformation
Information about the system is not queried and displayed. This may be useful while debugging or
using multiple lists on the same system.
.EXAMPLE
Description: HardeningKitty performs an audit, saves the results and creates a log file:
Invoke-HardeningKitty -Mode Audit -Log -Report
Description: HardeningKitty performs an audit with a specific list and does not show machine information:
Invoke-HardeningKitty -FileFindingList .\lists\finding_list_0x6d69636b_user.csv -SkipMachineInformation
Description: HardeningKitty ready only the setting with the default list, and saves the results in a specific file:
Invoke-HardeningKitty -Mode Config -Report -Report C:\tmp\my_hardeningkitty_report.log
#>
[CmdletBinding()]
Param (
# Definition of the finding list, default is machine setting list
[ValidateScript({Test-Path $_})]
[String]
$FileFindingList,
# Choose mode, read system config, audit system config, harden system config
[ValidateSet("Audit","Config","HailMary")]
[String]
$Mode = "Audit",
# Activate emoji support for Windows Terminal
[Switch]
$EmojiSupport = $false,
# Create a log file
[Switch]
$Log = $false,
# Skip machine information, useful when debugging
[Switch]
$SkipMachineInformation = $false,
# Skip language warning, if you understand the risk
[Switch]
$SkipLanguageWarning = $false,
# Define name and path of the log file
[String]
$LogFile,
# Create a report file in CSV format
[Switch]
$Report = $false,
# Define name and path of the report file
[String]
$ReportFile,
# Create a backup config file in CSV format
[Switch]
$Backup = $false,
# Define name and path of the report file
[String]
$BackupFile
)
Function Write-ProtocolEntry {
<#
.SYNOPSIS
Output of an event with timestamp and different formatting
depending on the level. If the Log parameter is set, the
output is also stored in a file.
#>
[CmdletBinding()]
Param (
[String]
$Text,
[String]
$LogLevel
)
$Time = Get-Date -Format G
Switch ($LogLevel) {
"Info" { $Message = "[*] $Time - $Text"; Write-Host $Message; Break}
"Debug" { $Message = "[-] $Time - $Text"; Write-Host -ForegroundColor Cyan $Message; Break}
"Warning" { $Message = "[?] $Time - $Text"; Write-Host -ForegroundColor Yellow $Message; Break}
"Error" { $Message = "[!] $Time - $Text"; Write-Host -ForegroundColor Red $Message; Break}
"Success" { $Message = "[$] $Time - $Text"; Write-Host -ForegroundColor Green $Message; Break}
"Notime" { $Message = "[*] $Text"; Write-Host -ForegroundColor Gray $Message; Break}
Default { $Message = "[*] $Time - $Text"; Write-Host $Message; }
}
If ($Log) {
Add-MessageToFile -Text $Message -File $LogFile
}
}
Function Add-MessageToFile {
<#
.SYNOPSIS
Write message to a file, this function can be used for logs,
reports, backups and more.
#>
[CmdletBinding()]
Param (
[String]
$Text,
[String]
$File
)
try {
Add-Content -Path $File -Value $Text -ErrorAction Stop
} catch {
Write-ProtocolEntry -Text "Error while writing log entries into $File. Aborting..." -LogLevel "Error"
Break
}
}
Function Write-ResultEntry {
<#
.SYNOPSIS
Output of the assessment result with different formatting
depending on the severity level. If emoji support is enabled,
a suitable symbol is used for the severity rating.
#>
[CmdletBinding()]
Param (
[String]
$Text,
[String]
$SeverityLevel
)
If ($EmojiSupport.IsPresent) {
Switch ($SeverityLevel) {
"Passed" { $Emoji = [char]::ConvertFromUtf32(0x1F63A); $Message = "[$Emoji] $Text"; Write-Host -ForegroundColor Gray $Message; Break}
"Low" { $Emoji = [char]::ConvertFromUtf32(0x1F63C); $Message = "[$Emoji] $Text"; Write-Host -ForegroundColor Cyan $Message; Break}
"Medium" { $Emoji = [char]::ConvertFromUtf32(0x1F63F); $Message = "[$Emoji] $Text"; Write-Host -ForegroundColor Yellow $Message; Break}
"High" { $Emoji = [char]::ConvertFromUtf32(0x1F640); $Message = "[$Emoji] $Text"; Write-Host -ForegroundColor Red $Message; Break}
Default { $Message = "[*] $Text"; Write-Host $Message; }
}
} Else {
Switch ($SeverityLevel) {
"Passed" { $Message = "[+] $Text"; Write-Host -ForegroundColor Gray $Message; Break}
"Low" { $Message = "[-] $Text"; Write-Host -ForegroundColor Cyan $Message; Break}
"Medium" { $Message = "[$] $Text"; Write-Host -ForegroundColor Yellow $Message; Break}
"High" { $Message = "[!] $Text"; Write-Host -ForegroundColor Red $Message; Break}
Default { $Message = "[*] $Text"; Write-Host $Message; }
}
}
}
Function Get-IniContent ($filePath) {
<#
.SYNOPSIS
Read a .ini file into a tree of hashtables
.NOTES
Original source see https://devblogs.microsoft.com/scripting/use-powershell-to-work-with-any-ini-file/
#>
$ini = @{}
switch -regex -file $FilePath
{
“^\[(.+)\]” { # Section
$section = $matches[1]
$ini[$section] = @{}
$CommentCount = 0
}
“^(;.*)$” { # Comment
$value = $matches[1]
$CommentCount = $CommentCount + 1
$name = “Comment” + $CommentCount
$ini[$section][$name] = $value
}
“(.+?)\s*=(.*)” { # Key
$name,$value = $matches[1..2]
$ini[$section][$name] = $value
}
}
return $ini
}
Function Out-IniFile($InputObject, $FilePath, $Encoding) {
<#
.SYNOPSIS
Write a hashtable out to a .ini file
.NOTES
Original source see https://devblogs.microsoft.com/scripting/use-powershell-to-work-with-any-ini-file/
#>
$outFile = New-Item -Force -ItemType file -Path $Filepath
foreach ($i in $InputObject.keys) {
if (!($($InputObject[$i].GetType().Name) -eq "Hashtable")) {
#No Sections
Add-Content -Encoding $Encoding -Path $outFile -Value "$i=$($InputObject[$i])"
} else {
#Sections
Add-Content -Encoding $Encoding -Path $outFile -Value "[$i]"
Foreach ($j in ($InputObject[$i].keys | Sort-Object)) {
if ($j -match "^Comment[\d]+") {
Add-Content -Encoding $Encoding -Path $outFile -Value "$($InputObject[$i][$j])"
} else {
Add-Content -Encoding $Encoding -Path $outFile -Value "$j=$($InputObject[$i][$j])"
}
}
Add-Content -Encoding $Encoding -Path $outFile -Value ""
}
}
}
Function Get-HashtableValueDeep {
<#
.SYNOPSIS
Get a value from a tree of hashtables
#>
[CmdletBinding()]
Param (
[Hashtable]
$Table,
[String]
$Path
)
$Key = $Path.Split('\', 2)
$Entry = $Table[$Key[0]]
if($Entry -is [hashtable] -and $Key.Length -eq 1) {
throw "Path is incomplete (expected a leaf but still on a branch)"
}
if($Entry -is [hashtable]) {
return Get-HashtableValueDeep $Entry $Key[1];
} else {
if($Key.Length -eq 1) {
return $Entry
} else {
throw "Path is too long (expected a branch but arrived at a leaf before the end of the path)"
}
}
}
Function Set-HashtableValueDeep {
<#
.SYNOPSIS
Set a value in a tree of hashtables
#>
[CmdletBinding()]
Param (
[Hashtable]
$Table,
[String]
$Path,
[String]
$Value
)
$Key = $Path.Split('\', 2)
$Entry = $Table[$Key[0]]
if($Key.Length -eq 2) {
if($null -eq $Entry) {
$Table[$Key[0]] = @{}
} elseif($Entry -isnot [hashtable]) {
throw "Not hashtable"
}
return Set-HashtableValueDeep $Table[$Key[0]] $Key[1] $Value;
} elseif($Key.Length -eq 1) {
$Table[$Key[0]] = $Value;
}
}
Function Get-SidFromAccount {
<#
.SYNOPSIS
Translate the account name (user or group) into the Security Identifier (SID)
#>
[CmdletBinding()]
Param (
[String]
$AccountName
)
try {
$AccountObject = New-Object System.Security.Principal.NTAccount($AccountName)
$AccountSid = $AccountObject.Translate([System.Security.Principal.SecurityIdentifier]).Value
} catch {
# If translation fails, return account name
$AccountSid = $AccountName
}
Return $AccountSid
}
Function Get-AccountFromSid {
<#
.SYNOPSIS
Translate the Security Identifier (SID) into the account name (user or group)
#>
[CmdletBinding()]
Param (
[String]
$AccountSid
)
try {
$AccountObject = New-Object System.Security.Principal.SecurityIdentifier ($AccountSid)
$AccountName = $AccountObject.Translate([System.Security.Principal.NTAccount]).Value
} catch {
# If translation fails, return account SID
$AccountName = $AccountSid
}
Return $AccountName
}
Function Translate-SidFromWellkownAccount {
<#
.SYNOPSIS
Translate the well-known account name (user or group) into the Security Identifier (SID)
No attempt is made to get a Computer SID or Domain SID to identify groups such as Domain Admins,
as the possibility for false positives is too great. In this case the account name is returned.
#>
[CmdletBinding()]
Param (
[String]
$AccountName
)
Switch ($AccountName) {
"BUILTIN\Account Operators" { $AccountSid = "S-1-5-32-548"; Break}
"BUILTIN\Administrators" { $AccountSid = "S-1-5-32-544"; Break}
"BUILTIN\Backup Operators" { $AccountSid = "S-1-5-32-551"; Break}
"BUILTIN\Guests" { $AccountSid = "S-1-5-32-546"; Break}
"BUILTIN\Power Users" { $AccountSid = "S-1-5-32-547"; Break}
"BUILTIN\Print Operators" { $AccountSid = "S-1-5-32-550"; Break}
"BUILTIN\Remote Desktop Users" { $AccountSid = "S-1-5-32-555"; Break}
"BUILTIN\Server Operators" { $AccountSid = "S-1-5-32-549"; Break}
"BUILTIN\Users" { $AccountSid = "S-1-5-32-545"; Break}
"Everyone" { $AccountSid = "S-1-1-0"; Break}
"NT AUTHORITY\ANONYMOUS LOGON" { $AccountSid = "S-1-5-7"; Break}
"NT AUTHORITY\Authenticated Users" { $AccountSid = "S-1-5-11"; Break}
"NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS" { $AccountSid = "S-1-5-9"; Break}
"NT AUTHORITY\IUSR" { $AccountSid = "S-1-5-17"; Break}
"NT AUTHORITY\Local account and member of Administrators group" { $AccountSid = "S-1-5-114"; Break}
"NT AUTHORITY\Local account" { $AccountSid = "S-1-5-113"; Break}
"NT AUTHORITY\LOCAL SERVICE" { $AccountSid = "S-1-5-19"; Break}
"NT AUTHORITY\NETWORK SERVICE" { $AccountSid = "S-1-5-20"; Break}
"NT AUTHORITY\SERVICE" { $AccountSid = "S-1-5-6"; Break}
"NT AUTHORITY\SYSTEM" { $AccountSid = "S-1-5-18"; Break}
"NT SERVICE\WdiServiceHost" { $AccountSid = "S-1-5-80-3139157870-2983391045-3678747466-658725712-1809340420"; Break}
"NT VIRTUAL MACHINE\Virtual Machines" { $AccountSid = "S-1-5-83-0"; Break}
"Window Manager\Window Manager Group" { $AccountSid = "S-1-5-90-0"; Break}
Default { $AccountSid = $AccountName }
}
Return $AccountSid
}
function Write-NotAdminError {
[CmdletBinding()]
param (
[String]
$FindingID,
[String]
$FindingName,
[string]
$FindingMethod
)
$Script:StatsError++
$Message = "ID "+$FindingID+", "+$FindingName+", Method "+$FindingMethod+" requires admin priviliges. Test skipped."
Write-ProtocolEntry -Text $Message -LogLevel "Error"
}
function Write-BinaryError {
[CmdletBinding()]
param (
[String]
$Binary,
[String]
$FindingID,
[String]
$FindingName,
[string]
$FindingMethod
)
$Script:StatsError++
$Message = "ID "+$FindingID+", "+$FindingName+", Method "+$FindingMethod+" requires $Binary and it was not found. Test skipped."
Write-ProtocolEntry -Text $Message -LogLevel "Error"
}
#
# Binary Locations
#
$BinarySecedit = "C:\Windows\System32\secedit.exe"
$BinaryAuditpol = "C:\Windows\System32\auditpol.exe"
$BinaryNet = "C:\Windows\System32\net.exe"
$BinaryBcdedit = "C:\Windows\System32\bcdedit.exe"
#
# Start Main
#
$HardeningKittyVersion = "0.8.0-1658244875"
#
# Log, report and backup file
#
$Hostname = $env:COMPUTERNAME.ToLower()
$FileDate = Get-Date -Format yyyyMMdd-HHmmss
$WinSystemLocale = Get-WinSystemLocale
$PowerShellVersion = "$($PSVersionTable.PSVersion.Major).$($PSVersionTable.PSVersion.Minor)"
If ($FileFindingList.Length -eq 0) {
$ListName = "finding_list_0x6d69636b_machine"
} Else {
$ListName = [System.IO.Path]::GetFileNameWithoutExtension($FileFindingList)
}
If ($Log.IsPresent -and $LogFile.Length -eq 0) {
$LogFile = "hardeningkitty_log_"+$Hostname+"_"+$ListName+"-$FileDate.log"
}
If ($Report.IsPresent -and $ReportFile.Length -eq 0) {
$ReportFile = "hardeningkitty_report_"+$Hostname+"_"+$ListName+"-$FileDate.csv"
}
If ($Report.IsPresent) {
$Message = '"ID","Name","Severity","Result","Recommended"'
Add-MessageToFile -Text $Message -File $ReportFile
}
If ($Backup.IsPresent -and $BackupFile.Length -eq 0) {
$BackupFile = "hardeningkitty_backup_"+$Hostname+"_"+$ListName+"-$FileDate.csv"
}
If ($Backup.IsPresent) {
$Message = '"ID","Category","Name","Method","MethodArgument","RegistryPath","RegistryItem","ClassName","Namespace","Property","DefaultValue","RecommendedValue","Operator","Severity"'
Add-MessageToFile -Text $Message -File $BackupFile
}
#
# Statistics
#
$StatsPassed = 0
$StatsLow = 0
$StatsMedium = 0
$StatsHigh = 0
$StatsTotal = 0
$Script:StatsError = 0
#
# Header
#
Write-Output "`n"
Write-Output " =^._.^="
Write-Output " _( )/ HardeningKitty $HardeningKittyVersion"
Write-Output "`n"
Write-ProtocolEntry -Text "Starting HardeningKitty" -LogLevel "Info"
#
# Machine information
#
If (-not($SkipMachineInformation)) {
Write-Output "`n"
Write-ProtocolEntry -Text "Getting machine information" -LogLevel "Info"
#
# The Get-ComputerInfo cmdlet gets a consolidated object of system
# and operating system properties. This cmdlet was introduced in Windows PowerShell 5.1.
#
If ($PowerShellVersion -le 5.0) {
try {
$OperatingSystem = Get-CimInstance Win32_operatingsystem
$ComputerSystem = Get-CimInstance Win32_ComputerSystem
Switch ($ComputerSystem.domainrole) {
"0" { $Domainrole = "Standalone Workstation"; Break}
"1" { $Domainrole = "Member Workstation"; Break}
"2" { $Domainrole = "Standalone Server"; Break}
"3" { $Domainrole = "Member Server"; Break}
"4" { $Domainrole = "Backup Domain Controller"; Break}
"5" { $Domainrole = "Primary Domain Controller"; Break}
}
$Uptime = (Get-Date) - $OperatingSystem.LastBootUpTime
$Message = "Hostname: "+$OperatingSystem.CSName
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Domain: "+$ComputerSystem.Domain
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Domain role: "+$Domainrole
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Install date: "+$OperatingSystem.InstallDate
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Last Boot Time: "+$OperatingSystem.LastBootUpTime
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Uptime: "+$Uptime
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows: "+$OperatingSystem.Caption
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows version: "+$OperatingSystem.Version
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows build: "+$OperatingSystem.BuildNumber
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "System-locale: "+$WinSystemLocale.Name
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Powershell Version: "+$PowerShellVersion
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
} catch {
Write-ProtocolEntry -Text "Getting machine information failed." -LogLevel "Warning"
}
}
Else {
$MachineInformation = Get-ComputerInfo
$Message = "Hostname: "+$MachineInformation.CsDNSHostName
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Domain: "+$MachineInformation.CsDomain
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Domain role: "+$MachineInformation.CsDomainRole
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Install date: "+$MachineInformation.OsInstallDate
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Last Boot Time: "+$MachineInformation.OsLastBootUpTime
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Uptime: "+$MachineInformation.OsUptime
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows: "+$MachineInformation.WindowsProductName
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows edition: "+$MachineInformation.WindowsEditionId
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows version: "+$MachineInformation.WindowsVersion
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Windows build: "+$MachineInformation.WindowsBuildLabEx
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "System-locale: "+$WinSystemLocale.Name
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$Message = "Powershell Version: "+$PowerShellVersion
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
}
}
#
# Warning for non-english systems
#
If ($WinSystemLocale.Name -ne "en-US" -and -not($SkipLanguageWarning)) {
Write-Output "`n"
Write-ProtocolEntry -Text "Language warning" -LogLevel "Info"
$Message = "HardeningKitty was developed for the system language 'en-US'. This system uses '"+$WinSystemLocale.Name+"' Language-dependent analyses can sometimes produce false results. Please create an issue if this occurs."
Write-ProtocolEntry -Text $Message -LogLevel "Warning"
}
#
# User information
#
Write-Output "`n"
Write-ProtocolEntry -Text "Getting user information" -LogLevel "Info"
$Message = "Username: "+[Security.Principal.WindowsIdentity]::GetCurrent().Name
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
$IsAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
$Message = "Is Admin: "+$IsAdmin
Write-ProtocolEntry -Text $Message -LogLevel "Notime"
#
# Start Config/Audit mode
# The processing is done per category of the finding list.
# The finding list defines which module is used and the arguments and recommended values for the test.
#
If ($Mode -eq "Audit" -or $Mode -eq "Config") {
# A CSV finding list is imported. HardeningKitty has one machine and one user list.
If ($FileFindingList.Length -eq 0) {
$CurrentLocation = Get-Location
$DefaultList = "$CurrentLocation\lists\finding_list_0x6d69636b_machine.csv"
If (Test-Path -Path $DefaultList) {
$FileFindingList = $DefaultList
} Else {
$Message = "The finding list $DefaultList was not found."
Write-ProtocolEntry -Text $Message -LogLevel "Error"
Continue
}
}
$FindingList = Import-Csv -Path $FileFindingList -Delimiter ","
$LastCategory = ""
ForEach ($Finding in $FindingList) {
#
# Reset
#
$Result = ""
#
# Category
#
If ($LastCategory -ne $Finding.Category) {
$Message = "Starting Category " + $Finding.Category
Write-Output "`n"
Write-ProtocolEntry -Text $Message -LogLevel "Info"
$LastCategory = $Finding.Category
}
#
# Get Registry Item
# Registry entries can be read with a native PowerShell function. The retrieved value is evaluated later.
# If the registry entry is not available, a default value is used. This must be specified in the finding list.
#
If ($Finding.Method -eq 'Registry') {
If (Test-Path -Path $Finding.RegistryPath) {
try {
$Result = Get-ItemPropertyValue -Path $Finding.RegistryPath -Name $Finding.RegistryItem
} catch {
$Result = $Finding.DefaultValue
}
} Else {
$Result = $Finding.DefaultValue
}
}
#
# Get secedit policy
# Secedit configures and analyzes system security, results are written
# to a file, which means HardeningKitty must create a temporary file
# and afterwards delete it. HardeningKitty is very orderly.
#
ElseIf ($Finding.Method -eq 'secedit') {
# Check if Secedit binary is available, skip test if not
If (-Not (Test-Path $BinarySecedit)) {
Write-BinaryError $BinarySecedit $Finding.ID $Finding.Name $Finding.Method
Continue
}
# Check if the user has admin rights, skip test if not
If (-not($IsAdmin)) {
Write-NotAdminError $Finding.ID $Finding.Name $Finding.Method
Continue
}
$TempFileName = [System.IO.Path]::GetTempFileName()
$Area = "";
Switch($Finding.Category) {
"Account Policies" { $Area = "SECURITYPOLICY"; Break }
"Security Options" { $Area = "SECURITYPOLICY"; Break }
}
&$BinarySecedit /export /cfg $TempFileName /areas $Area | Out-Null
$Data = Get-IniContent $TempFileName
$Value = Get-HashtableValueDeep $Data $Finding.MethodArgument
if($null -eq $Value) {
$Result = $null
} else {
$Result = $Value -as [int]
}
Remove-Item $TempFileName
}
#
# Get Registry List and search for item
# Depending on the registry structure, the value cannot be accessed directly, but must be found within a data structure
# If the registry entry is not available, a default value is used. This must be specified in the finding list.
#
ElseIf ($Finding.Method -eq 'RegistryList') {
If (Test-Path -Path $Finding.RegistryPath) {
try {
$ResultList = Get-ItemProperty -Path $Finding.RegistryPath
If ($ResultList | Where-Object { $_ -like "*"+$Finding.RegistryItem+"*" }) {
$Result = $Finding.RegistryItem
} Else {
$Result = "Not found"
}
} catch {
$Result = $Finding.DefaultValue
}
} Else {
$Result = $Finding.DefaultValue
}
}
#
# Get Audit Policy
# The output of auditpol.exe is parsed and will be evaluated later.
# The desired value is not output directly, some output lines can be ignored
# and are therefore skipped. If the output changes, the parsing must be adjusted :(
#
ElseIf ($Finding.Method -eq 'auditpol') {
# Check if Auditpol binary is available, skip test if not
If (-Not (Test-Path $BinaryAuditpol)) {
Write-BinaryError $BinaryAuditpol $Finding.ID $Finding.Name $Finding.Method
Continue
}
# Check if the user has admin rights, skip test if not
If (-not($IsAdmin)) {
Write-NotAdminError $Finding.ID $Finding.Name $Finding.Method
Continue
}
try {
$SubCategory = $Finding.MethodArgument
# auditpol.exe does not write a backup in an existing file, so we have to build a name instead of create one
$TempFileName = [System.IO.Path]::GetTempPath()+"HardeningKitty_auditpol-"+$(Get-Date -Format yyyyMMdd-HHmmss)+".csv"
&$BinaryAuditpol /backup /file:$TempFileName > $null
$ResultOutputLoad = Get-Content $TempFileName
foreach ($line in $ResultOutputLoad){
$table = $line.Split(",")
if ($table[3] -eq $SubCategory){
# Translate setting value (works only for English list, so this is workaround)
Switch ($table[6]) {
"0" { $Result = "No Auditing"; Break}
"1" { $Result = "Success"; Break}
"2" { $Result = "Failure"; Break}
"3" { $Result = "Success and Failure"; Break}
}
}
}
# House cleaning
Remove-Item $TempFileName
Clear-Variable -Name ("ResultOutputLoad", "table")
} catch {
$Result = $Finding.DefaultValue
}
}
#
# Get Account Policy
# The output of net.exe is parsed and will be evaluated later.
# It may be necessary to use the /domain parameter when calling net.exe.
# The values of the user executing the script are read out. These may not match the password policy.
#
ElseIf ($Finding.Method -eq 'accountpolicy') {
# Check if net binary is available, skip test if not
If (-Not (Test-Path $BinaryNet)) {
Write-BinaryError $BinaryNet $Finding.ID $Finding.Name $Finding.Method
Continue
}
try {
$ResultOutput = &$BinaryNet accounts
# "Parse" account policy
Switch ($Finding.Name) {
"Force user logoff how long after time expires" { $ResultOutput[0] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Network security: Force logoff when logon hours expires" { $ResultOutput[0] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Minimum password age" { $ResultOutput[1] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Maximum password age" { $ResultOutput[2] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Minimum password length" { $ResultOutput[3] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Length of password history maintained" { $ResultOutput[4] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Account lockout threshold" { $ResultOutput[5] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Account lockout duration" { $ResultOutput[6] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
"Reset account lockout counter" { $ResultOutput[7] -match '([a-zA-Z:, /-]+) ([a-z0-9, ]+)' | Out-Null; $Result=$Matches[2]; Break}
}
} catch {
$Result = $Finding.DefaultValue
}
}
#
# Get Local Account Information
# The PowerShell function Get-LocalUser is used for this.
# In order to get the correct user, the query is made via the SID,
# the base value of the computer must first be retrieved.
#
ElseIf ($Finding.Method -eq 'localaccount') {
try {
# Get Computer SID
$ComputerSid = ((Get-LocalUser | Select-Object -First 1).SID).AccountDomainSID.ToString()
# Get User Status
$Sid = $ComputerSid+"-"+$Finding.MethodArgument
$ResultOutput = Get-LocalUser -SID $Sid
If ($Finding.Name.Contains("account status")){
$Result = $ResultOutput.Enabled
}
ElseIf ($Finding.Name.Contains("Rename")) {
$Result = $ResultOutput.Name
}
Else {
$Result = $Finding.DefaultValue
}
} catch {
$Result = $Finding.DefaultValue
}
}
#
# User Rights Assignment
# This method was first developed with the tool accessck.exe, hence the name.
# Due to compatibility problems in languages other than English, secedit.exe is
# now used to read the User Rights Assignments.
#
# Secedit configures and analyzes system security, results are written
# to a file, which means HardeningKitty must create a temporary file
# and afterwards delete it. HardeningKitty is very orderly.
#
ElseIf ($Finding.Method -eq 'accesschk') {
# Check if Secedit binary is available, skip test if not
If (-Not (Test-Path $BinarySecedit)) {
Write-BinaryError $BinarySecedit $Finding.ID $Finding.Name $Finding.Method
Continue
}
# Check if the user has admin rights, skip test if not
If (-not($IsAdmin)) {
Write-NotAdminError $Finding.ID $Finding.Name $Finding.Method
Continue
}
$TempFileName = [System.IO.Path]::GetTempFileName()
try {
&$BinarySecedit /export /cfg $TempFileName /areas USER_RIGHTS | Out-Null
$ResultOutputRaw = Get-Content -Encoding unicode $TempFileName | Select-String $Finding.MethodArgument
If ($null -eq $ResultOutputRaw) {
$Result = ""
}
Else {
$ResultOutputList = $ResultOutputRaw.ToString().split("=").Trim()
$Result = $ResultOutputList[1] -Replace "\*",""
$Result = $Result -Replace ",",";"
}
} catch {
# If secedit did not work, throw an error instead of using the DefaultValue
$Script:StatsError++
$Message = "ID "+$Finding.ID+", "+$Finding.Name+", secedit.exe could not read the configuration. Test skipped."
Write-ProtocolEntry -Text $Message -LogLevel "Error"
Continue
}
Remove-Item $TempFileName
}