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AutoHarden_RELEASE.ps1
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AutoHarden_RELEASE.ps1
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# AutoHarden - A simple script that automates Windows Hardening
#
# Filename: AutoHarden_RELEASE.ps1
# Author: 1mm0rt41PC - immortal-pc.info - https://github.com/1mm0rt41PC
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Update: 2024-07-16-15-52-52
$AutoHarden_version="2024-07-16-15-52-52"
$global:AutoHarden_boradcastMsg=$true
Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass
$PSDefaultParameterValues['Out-File:Encoding'] = 'utf8'
$PSDefaultParameterValues['*:Encoding'] = 'utf8'
Add-Type -AssemblyName System.Windows.Forms
$AutoHarden_Folder='C:\Windows\AutoHarden'
$AutoHarden_Logs="${AutoHarden_Folder}\logs"
$AutoHarden_AsksFolder="${AutoHarden_Folder}\asks"
$AutoHarden_Group='RELEASE'
$AutoHarden_Asks=($AutoHarden_Group -eq 'RELEASE')
$AutoHarden_WebDomain="https://raw.githubusercontent.com/1mm0rt41PC/AutoHarden/master/AutoHarden_${AutoHarden_Group}.ps1"
#$AutoHarden_SysmonUrl="https://raw.githubusercontent.com/olafhartong/sysmon-modular/master/sysmonconfig.xml"
$AutoHarden_SysmonUrl="https://raw.githubusercontent.com/1mm0rt41PC/AutoHarden/master/sysmonconfig.xml"
Get-Variable
gci env:* | sort-object name
###############################################################################
# FUNCTIONS - Const var
$askMigration = ConvertFrom-StringData -StringData @'
0.1-AutoUpdate.ask = 0-AutoUpdate.ask
1.2-Firewall-Office.ask = block-communication-for-excel,word.ask
1.3-Firewall-IE.ask = block-communication-for-InternetExplorer.ask
1.1-Firewall-Malware.ask = block-communication-for-powershell,eviltools.ask
Hardening-DisableMimikatz__CredentialsGuard.ask = CredentialsGuard.ask
1.4-Firewall-BlockOutgoingSNMP.ask = Hardening-BlockOutgoingSNMP.ask
Hardening-DisableMimikatz__Mimikatz-DomainCredAdv.ask = Mimikatz-DomainCred.ask
Crapware-RemoveUseLessSoftware__Uninstall-OneNote.ask = Uninstall-OneNote.ask
Crapware-RemoveUseLessSoftware__Uninstall-Skype.ask = Uninstall-Skype.ask
'@
$isLaptop = (Get-WmiObject -Class win32_systemenclosure | Where-Object { $_.chassistypes -eq 9 -or $_.chassistypes -eq 10 -or $_.chassistypes -eq 14}).Count -gt 0 -And (Get-WmiObject -Class win32_battery).Name -ne ''
$getRole = Get-ItemProperty -Path "Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ProductOptions" -ErrorAction SilentlyContinue -ErrorVariable GetItemPropertyError
$getRole = @{
"WinNT" = "WorkStation";
"LanmanNT" = "Domain Controller";
"ServerNT" = "Server";
}[$getRole.ProductType];
$isDomainLinked = ( "\\$($env:COMPUTERNAME)" -eq $env:LOGONSERVER -And $getRole -eq "Domain Controller" ) -Or "\\$($env:COMPUTERNAME)" -ne $env:LOGONSERVER
###############################################################################
# FUNCTIONS - Logs
function logInfo( $msg )
{
Write-Host -NoNewline -Background 'Blue' '[i]'
Write-Host " $msg"
}
function logSuccess( $msg )
{
Write-Host -NoNewline -Background 'Green' '[v]'
Write-Host " $msg"
}
function logError( $msg )
{
Write-Host -NoNewline -Background 'Red' '[X]'
Write-Host " $msg"
}
###############################################################################
# FUNCTIONS - RPC
$RpcRules = (netsh rpc filter show filter).Replace(' ','')
function addRpcAcl( $name='', $uuid=@(), $acl='' )
{
if( $uuid.Count -gt 0 -Or $uuid -ne '' ){
$acl = $uuid | foreach {
return RpcRuleCreator $_ $name
}
}
if( $acl -eq '' ){
return $null;
}
$acl = @"
rpc
filter
$acl
quit
"@
$file=createTempFile $acl
netsh -f $file
$global:RpcRules = (netsh rpc filter show filter)
echo $global:RpcRules
$global:RpcRules = ($global:RpcRules).Replace(' ','')
rm $file
}
# Add a rule to drop access to EFS for non DA
# From: https://twitter.com/tiraniddo/status/1422223511599284227
# From: https://gist.github.com/tyranid/5527f5559041023714d67414271ca742
function RpcRuleCreator( $uuid, $name )
{
$1st_uuid=$uuid.Split('-')[0]
if( $RpcRules -Like "*$uuid*" -Or $RpcRules -Like "*$1st_uuid*" ){
logInfo "RpcRules is already applied for $name => $uuid"
return '';
}
$ret = '';
if( $isDomainLinked ){
logSuccess "RpcRules applied for $name with DOMAIN support => $uuid"
$ret = @"
add rule layer=um actiontype=permit
add condition field=if_uuid matchtype=equal data=$uuid
add condition field=remote_user_token matchtype=equal data=D:(A;;CC;;;DA)
add filter
"@
}else{
logSuccess "RpcRules applied for $name withOUT DOMAIN support => $uuid"
}
return $ret+@"
add rule layer=um actiontype=block
add condition field=if_uuid matchtype=equal data=$uuid
add filter
"@
}
###############################################################################
# FUNCTIONS - Global
$global:asks_cache = @{}
function ask( $query, $config )
{
if( $global:asks_cache.ContainsKey($config) ){
Write-Host ("# [${AutoHarden_AsksFolder}\${config}] In cache => {0}" -f $global:asks_cache[$config])
return $global:asks_cache[$config];
}
if( [System.IO.File]::Exists("${AutoHarden_AsksFolder}\${config}") ){
Write-Host "# [${AutoHarden_AsksFolder}\${config}] Exist => Using the new file location"
$ret = _ask $query $config $AutoHarden_AsksFolder
$global:asks_cache[$config] = $ret
return $ret;
}
if( [System.IO.File]::Exists("${AutoHarden_Folder}\${config}") ){
Write-Host "# [${AutoHarden_Folder}\${config}] The new 'ask' location doesn't exist but the old one exist => Using the old file location"
$ret = _ask $query $config $AutoHarden_Folder
[System.IO.File]::WriteAllLines("${AutoHarden_AsksFolder}\${config}", "$ret", (New-Object System.Text.UTF8Encoding $False));
Remove-Item -Force "${AutoHarden_Folder}\${config}" -ErrorAction Ignore;
$global:asks_cache[$config] = $ret
return $ret;
}
if( $askMigration.Contains($config) ){
if( [System.IO.File]::Exists("${AutoHarden_Folder}\$($askMigration[$config])") ){
$ret=cat "${AutoHarden_Folder}\$($askMigration[$config])" -ErrorAction Ignore;
if( $config -eq 'Hardening-DisableMimikatz__Mimikatz-DomainCredAdv.ask' ){
if( $ret -eq 'Yes' ){
$ret = 'No'
}else{
$ret = 'Yes'
}
}
Write-Host ("# [${AutoHarden_AsksFolder}\${config}] Not found but the old configuration exist ${AutoHarden_Folder}\$($askMigration[$config]) with the value ${ret} => {0}" -f ($ret -eq 'Yes'))
[System.IO.File]::WriteAllLines("${AutoHarden_AsksFolder}\${config}","$ret", (New-Object System.Text.UTF8Encoding $False));
Remove-Item -Force $AutoHarden_Folder\$askMigration[$config] -ErrorAction Ignore;
$global:asks_cache[$config] = $ret -eq 'Yes'
return $global:asks_cache[$config];
}
}
Write-Host "# [${AutoHarden_AsksFolder}\${config}] This parameter is new and doesn't exist at all"
$ret = _ask $query $config $AutoHarden_AsksFolder
$global:asks_cache[$config] = $ret
return $ret;
}
function _ask( $query, $config, $folder )
{
$ret=cat "${folder}\${config}" -ErrorAction Ignore;
logInfo "[${folder}\${config}] Checking..."
try{
if( [string]::IsNullOrEmpty($ret) ){
logInfo "[${folder}\${config}] Undefined... Asking"
if( $AutoHarden_Asks ){
$ret = 'No'
if( -not [Environment]::UserInteractive ){
throw 'UserNotInteractive'
}
Write-Host ""
do{
$ret = (Read-Host "${query}? (Y/n)").toupper()
if( $ret.Length -gt 0 ){
$ret = $ret.substring(0,1)
}else{
$ret = 'Y'
}
}while( $ret -ne 'Y' -and $ret -ne 'N' -and $ret -ne '' );
if( $ret -eq 'Y' ){
$ret = 'Yes'
}else{
$ret = 'No'
}
logInfo "[${folder}\${config}] Admin said >$ret<"
}else{
logInfo "[${folder}\${config}] AutoManagement ... NOASKING => YES"
$ret = 'Yes'
}
[System.IO.File]::WriteAllLines("${AutoHarden_AsksFolder}\${config}","$ret", (New-Object System.Text.UTF8Encoding $False));
}
logSuccess ("[${folder}\${config}] is >$ret< => parsed={0}" -f ($ret -eq 'Yes' -Or $ret -eq 'True'))
return $ret -eq 'Yes' -Or $ret -eq 'True';
}catch{
logError "[${folder}\${config}][WARN] An update of AutoHarden require an action from the administrator."
if( $global:AutoHarden_boradcastMsg -And $AutoHarden_Asks ) {
$global:AutoHarden_boradcastMsg=$false
msg * "An update of AutoHarden require an action from the administrator.`r`n`r`n${query}?`r`nPlease run ${AutoHarden_Folder}\AutoHarden.ps1"
}
return $null;
}
}
function createTempFile( $data, [Parameter(Mandatory=$false)][string]$ext='' )
{
$tmpFileName = -join ((65..90) + (97..122) | Get-Random -Count 25 | % {[char]$_});
$tmpFileName = "${AutoHarden_Folder}\${tmpFileName}${ext}"
[System.IO.File]::WriteAllLines($tmpFileName, $data, (New-Object System.Text.UTF8Encoding $False));
return $tmpFileName;
}
# reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System" /t REG_DWORD /v PublishUserActivities /d 0 /f
function reg()
{
$action = $args[0].ToLower()
$hk = $args[1].Replace('HKCU','HKCU:').Replace('HKEY_CURRENT_USER','HKCU:')
$type = 'REG_DWORD'
$key = ''
$value = ''
for( $i=2; $i -lt $args.Count; $i+=2 )
{
if( $args[$i] -eq '/t' ){
$type=$args[$i+1]
}elseif( $args[$i] -eq '/v' ){
$key=$args[$i+1]
}elseif( $args[$i] -eq '/d' ){
$value=$args[$i+1]
}elseif( $args[$i] -eq '/f' ){
$i-=1
# Pass
}
}
if( $action -eq 'add' ){
if( $hk.StartsWith('HKCU:') ){
$path = $hk.Replace('HKCU:\','')
Get-ChildItem REGISTRY::HKEY_USERS | select Name | foreach {
$name = $_.Name.Trim('\')
$name = ('{0}\{1}' -f $name,$path).Replace('\\','\')
Write-host "reg.exe add $name /v $key /d $value /t $type /f"
try{
if( (Get-ItemPropertyValue "Registry::$name" -Name $key -ErrorAction SilentlyContinue) -ne $value ){
throw "Invalid value"
}
logInfo "[${name}:$key] is OK ($value)"
}catch{
logSuccess "[${name}:$key] is now set to $value"
reg.exe add "$name" /v "$key" /t $type /d "$value" /f
}
}
return $null
}
try{
Write-Host "reg.exe add $hk /v $key /d $value /t $type /f"
if( (Get-ItemPropertyValue "Registry::$hk" -Name $key -ErrorAction Stop) -eq $value ){
logInfo "[${hk}:$key] is OK ($value)"
}else{
logSuccess "[${hk}:$key] is now set to $value"
reg.exe add "$hk" /v "$key" /d "$value" /t $type /f
}
}catch{
logSuccess "[${hk}:$key] is now set to $value"
reg.exe add "$hk" /v "$key" /d "$value" /t $type /f
}
return $null
}elseif( $action -eq 'delete' ){
if( $hk.StartsWith('HKCU:') ){
$path = $hk.Replace('HKCU:\','')
Get-ChildItem REGISTRY::HKEY_USERS | select Name | foreach {
$name = $_.Name.Trim('\')
$name = ('{0}\{1}' -f $name,$path).Replace('\\','\')
try{
Get-ItemPropertyValue "Registry::$name" -Name $key -ErrorAction Stop
if( -not [string]::IsNullOrEmpty($key) ){
logSuccess "[${name}:$key] is now DELETED"
Write-Host "reg.exe delete $name /v $key /f"
reg.exe delete "$name" /v "$key" /f
}else{
logSuccess "[$name] is now DELETED"
Write-Host "reg.exe delete $name /f"
reg.exe delete "$name" /f
}
}catch{
logInfo "[${name}:$key] is NOT present"
}
}
return $null
}
try{
Get-ItemPropertyValue "Registry::$hk" -Name $key -ErrorAction Stop
if( -not [string]::IsNullOrEmpty($key) ){
logSuccess "[${hk}:$key] is now DELETED"
Write-Information "reg.exe delete $hk /v $key /f"
reg.exe delete "$hk" /v "$key" /f
}else{
logSuccess "[${hk}] is now DELETED"
Write-Information "reg.exe delete $hk /f"
reg.exe delete "$hk" /f
}
}catch{
logInfo "[${hk}:$key] is NOT present"
}
return $null
}
Write-Error "Not implemented"
}
function mywget( $Uri, $OutFile=$null )
{
$ret = $null
Get-NetFirewallRule -DisplayName '*AutoHarden*Powershell*' -ErrorAction SilentlyContinue | Disable-NetFirewallRule
try{
if( $OutFile -eq $null ){
$ret=Invoke-WebRequest -UseBasicParsing -Uri $Uri
}else{
Invoke-WebRequest -UseBasicParsing -Uri $Uri -OutFile $OutFile > $null
}
}catch{
if( $OutFile -eq $null ){
$ret=curl.exe $Uri
}else{
curl.exe $Uri --output $OutFile > $null
}
}
Get-NetFirewallRule -DisplayName '*AutoHarden*Powershell*' -ErrorAction SilentlyContinue | Enable-NetFirewallRule
return $ret;
}
if( ).groups -match "S-1-5-32-544") ){ Write-Host -BackgroundColor Red -ForegroundColor White "Administrator privileges required ! This terminal has not admin priv. This script ends now !"; pause;exit;}
mkdir $AutoHarden_Folder -Force -ErrorAction Continue > $null
mkdir $AutoHarden_Logs -Force -ErrorAction Continue > $null
mkdir $AutoHarden_AsksFolder -Force -ErrorAction Continue > $null
Move-Item -ErrorAction SilentlyContinue -Force ${AutoHarden_Folder}\*.log ${AutoHarden_Logs}
Move-Item -ErrorAction SilentlyContinue -Force ${AutoHarden_Folder}\*.7z ${AutoHarden_Logs}
$AutoHardenTransScriptLog = "${AutoHarden_Logs}\Activities_${AutoHarden_Group}_"+(Get-Date -Format "yyyy-MM-dd")+".log"
Start-Transcript -Force -IncludeInvocationHeader -Append ($AutoHardenTransScriptLog)
#$DebugPreference = "Continue"
#$VerbosePreference = "Continue"
$InformationPreference = "Continue"
Get-ChildItem -File $AutoHarden_Folder\*.log | foreach {
$name = $_.Name
$_ | Compress-Archive -CompressionLevel "Optimal" -DestinationPath ${AutoHarden_Logs}\${name}.zip -ErrorAction SilentlyContinue
}
####################################################################################################
logInfo "Asking questions for the configuration"
ask "Fetch the latest version of AutoHarden from Github every day at 08h00 AM" "0-AutoUpdateFromWeb.ask" | Out-Null
ask "Execute AutoHarden every day at 08h00 AM" "0.1-AutoScheduledTask.ask" | Out-Null
ask "Block Internet communication for evil tools ?
This filtering prevents viruses from downloading the payload." "1.1-Firewall-Malware.ask" | Out-Null
ask "Block Internet communication for Word and Excel ?
Excel and Word will still be able to access files on local network shares.
This filtering prevents viruses from downloading the payload.
Block Internet communication for Word and Excel" "1.2-Firewall-Office.ask" | Out-Null
ask "Block Internet communication for 'Internet Explorer' ?
'Internet Explorer' will still be able to access web server on local network.
This filtering prevents viruses from downloading the payload.
Block Internet communication for 'Internet Explorer'" "1.3-Firewall-IE.ask" | Out-Null
ask "Disable SNMP communication (can break printers)" "1.4-Firewall-BlockOutgoingSNMP.ask" | Out-Null
ask "Avoid sending notification to Users about the firewall" "1.5-Firewall-DisableNotification.ask" | Out-Null
ask "Disable Cortana in Windows search bar" "Crapware-Cortana.ask" | Out-Null
ask "Remove OneDrive" "Crapware-Onedrive.ask" | Out-Null
ask "Uninstall OneNote" "Crapware-RemoveUseLessSoftware__Uninstall-OneNote.ask" | Out-Null
ask "Uninstall Skype" "Crapware-RemoveUseLessSoftware__Uninstall-Skype.ask" | Out-Null
ask "Harden Apps in APPDATA folder ? Be careful, can crach some app... Harden Apps in APPDATA folder ?" "Harden-AppData.ask" | Out-Null
ask "Disable voice control" "Harden-VoiceControl.ask" | Out-Null
ask "Harden Windows Defender" "Harden-WindowsDefender.ask" | Out-Null
ask "Invert the administrator and guest accounts" "Hardening-AccountRename.ask" | Out-Null
ask "Deny auto installation of vendor's application/drivers by the user" "Hardening-Co-Installers.ask" | Out-Null
ask "Do you want to enable 'Credentials Guard' and disable VMWare/VirtualBox" "Hardening-DisableMimikatz__CredentialsGuard.ask" | Out-Null
ask "Harden domain credential against hijacking ?
WARNING If this Windows is a mobile laptop, this configuration will break this Windows !!!
Harden domain credential against hijacking" "Hardening-DisableMimikatz__Mimikatz-DomainCredAdv.ask" | Out-Null
ask "Block DLL from SMB share and WebDav Share" "Hardening-DLLHijacking.ask" | Out-Null
ask "Disable Remote Assistance on this computer" "Hardening-RemoteAssistance.ask" | Out-Null
ask "When enabled, UAC prompts require both a valid username and a valid password to be entered in a secure desktop (default: interactive window proposes 'deny' or 'accept')." "Hardening-UAC-credz.ask" | Out-Null
ask "Show file extension and show windows title in the taskbar" "Optimiz-ClasicExplorerConfig.ask" | Out-Null
ask "Disable auto Windows Update during work time" "Optimiz-DisableAutoUpdate.ask" | Out-Null
ask "Disable WindowsDefender" "Optimiz-DisableDefender.ask" | Out-Null
ask "Replace notepad with notepad++" "Software-install-notepad++.ask" | Out-Null
$global:asks_cache | Format-Table -Autosize
logSuccess "All asks have been processed"
####################################################################################################
echo "####################################################################################################"
echo "# 0-AutoUpdateFromWeb"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "0-AutoUpdateFromWeb" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 0-AutoUpdateFromWeb"
$q=ask "Fetch the latest version of AutoHarden from Github every day at 08h00 AM" "0-AutoUpdateFromWeb.ask"
if( $q -eq $true ){
$ps1TestSign = "${AutoHarden_Folder}\AutoHarden_${AutoHarden_Group}.ps1"
if( -not [System.IO.File]::Exists($ps1TestSign) ){
$ps1TestSign = "${AutoHarden_Folder}\AutoHarden.ps1"
}
if( -not [System.IO.File]::Exists($ps1TestSign) ){
$ps1TestSign = $null
}
for( $i=3; $i -gt 0; $i-- )
{
# Install cert to avoid git takeover
$AutoHardenCert = "${env:temp}\"+[System.IO.Path]::GetRandomFileName()+".cer"
while( -not [System.IO.File]::Exists($AutoHardenCert) )
{
[IO.File]::WriteAllBytes($AutoHardenCert, [Convert]::FromBase64String("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"))
Import-Certificate -Filepath $AutoHardenCert -CertStoreLocation Cert:\LocalMachine\TrustedPublisher > $null
}
$AutoHardenCertCA = "${env:temp}\"+[System.IO.Path]::GetRandomFileName()+".cer"
while( -not [System.IO.File]::Exists($AutoHardenCertCA) )
{
[IO.File]::WriteAllBytes($AutoHardenCertCA, [Convert]::FromBase64String("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"))
Import-Certificate -Filepath $AutoHardenCertCA -CertStoreLocation Cert:\LocalMachine\AuthRoot > $null
}
try{
Remove-Item -ErrorAction SilentlyContinue -Force $AutoHardenCert $AutoHardenCertCA
}catch{}
if( $ps1TestSign -ne $null -and (Get-AuthenticodeSignature $ps1TestSign).Status -eq [System.Management.Automation.SignatureStatus]::Valid ){
$i=0;
}
}
$tmpPS1 = -join ((65..90) + (97..122) | Get-Random -Count 25 | % {[char]$_})
$tmpPS1 = "${AutoHarden_Folder}\${tmpPS1}.ps1"
mywget -Uri $AutoHarden_WebDomain -OutFile $tmpPS1 > $null
if( (Get-AuthenticodeSignature $tmpPS1).Status -eq [System.Management.Automation.SignatureStatus]::Valid ){
logSuccess 'The downloaded PS1 has a valid signature !'
Move-Item -force $tmpPS1 ${AutoHarden_Folder}\AutoHarden_${AutoHarden_Group}.ps1 > $null
}else{
logError 'The downloaded PS1 has an invalid signature !'
}
}
Write-Progress -Activity AutoHarden -Status "0-AutoUpdateFromWeb" -Completed
echo "####################################################################################################"
echo "# 0.1-AutoScheduledTask"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "0.1-AutoScheduledTask" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 0.1-AutoScheduledTask"
$q=ask "Execute AutoHarden every day at 08h00 AM" "0.1-AutoScheduledTask.ask"
if( $q -eq $true ){
$Trigger = New-ScheduledTaskTrigger -At 08:00am -Daily
$Action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument "-exec ByPass -nop -File ${AutoHarden_Folder}\AutoHarden_${AutoHarden_Group}.ps1"
$Setting = New-ScheduledTaskSettingsSet -RestartOnIdle -StartWhenAvailable -ExecutionTimeLimit (New-TimeSpan -Hours 2)
Register-ScheduledTask -TaskName "AutoHarden_${AutoHarden_Group}" -Trigger $Trigger -User "NT AUTHORITY\SYSTEM" -Action $Action -RunLevel Highest -Settings $Setting -Force > $null
}elseif($q -eq $false){
Unregister-ScheduledTask -TaskName "AutoHarden_${AutoHarden_Group}" -Confirm:$False -ErrorAction SilentlyContinue
}
Write-Progress -Activity AutoHarden -Status "0.1-AutoScheduledTask" -Completed
echo "####################################################################################################"
echo "# 1.0-Firewall-Functions"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.0-Firewall-Functions" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.0-Firewall-Functions"
# Ref: https://en.wikipedia.org/wiki/Reserved_IP_addresses
$IPForInternet=@('1.0.0.0-9.255.255.255',
'11.0.0.0-100.63.255.255',
'100.128.0.0-126.255.255.255',
'128.0.0.0-169.253.255.255',
'169.255.0.0-172.15.255.255',
'172.32.0.0-191.255.255.255',
'192.0.1.0-192.0.1.255',
'192.0.3.0-192.167.255.255',
'192.169.0.0-198.17.255.255',
'198.20.0.0-198.51.99.255',
'198.51.101.0-203.0.112.255',
'203.0.114.0-255.255.255.254')
$IPForIntranet=@(
'0.0.0.0–0.255.255.255',
'10.0.0.0–10.255.255.255',
'100.64.0.0–100.127.255.255',
'127.0.0.0–127.255.255.255',
'169.254.0.0–169.254.255.255',
'172.16.0.0–172.31.255.255',
'192.0.0.0–192.0.0.255',
'192.168.0.0–192.168.255.255',
'198.18.0.0–198.19.255.255')
# From: https://docs.microsoft.com/en-us/microsoft-365/enterprise/urls-and-ip-address-ranges?view=o365-worldwide
$IPForOffice365 = (@"
104.146.128.0/17, 104.42.230.91/32, 104.47.0.0/17, 13.107.128.0/22,
13.107.136.0/22, 13.107.140.6/32, 13.107.18.10/31, 13.107.6.152/31,
13.107.6.156/31, 13.107.6.171/32, 13.107.64.0/18, 13.107.7.190/31,
13.107.9.156/31, 13.80.125.22/32, 13.91.91.243/32, 131.253.33.215/32,
132.245.0.0/16, 150.171.32.0/22, 150.171.40.0/22, 157.55.145.0/25,
157.55.155.0/25, 157.55.227.192/26, 20.190.128.0/18, 204.79.197.215/32,
23.103.160.0/20, 40.104.0.0/15, 40.107.0.0/16, 40.108.128.0/17,
40.126.0.0/18, 40.81.156.154/32, 40.90.218.198/32, 40.92.0.0/15,
40.96.0.0/13, 52.100.0.0/14, 52.104.0.0/14, 52.108.0.0/14,
52.112.0.0/14, 52.120.0.0/14, 52.120.0.0/14, 52.174.56.180/32,
52.183.75.62/32, 52.184.165.82/32, 52.238.106.116/32, 52.238.119.141/32,
52.238.78.88/32, 52.244.160.207/32, 52.244.203.72/32,
52.244.207.172/32, 52.244.223.198/32, 52.244.37.168/32,
52.247.150.191/32, 52.247.150.191/32, 52.96.0.0/14
"@).replace("`n","").replace("`r","").replace(" ","").split(",")
###############################################################################
# FW creation
function FWRule( $param )
{
$param = $param.clone()
if( -Not $param.ContainsKey('Direction') -or $param['Direction'] -eq '*' ){
#Write-Host "Applying Direction"
$param['Direction'] = 'Outbound'
FWRule $param
$param['Direction'] = 'Inbound'
FWRule $param
return $null
}
if( $param.ContainsKey('blockExe') ){
#Write-Host "Applying blockExe"
$blockExe = $param['blockExe']
$param.remove('blockExe')
$blockExe | Get-Item -ErrorAction Continue | foreach {
$opt = $param.clone()
$opt['Program'] = $_.Fullname
$opt['Name'] = ('{0} - {1}' -f $opt['Name'], $opt['Program'])
FWRule $opt
}
return $null
}
if( ($param.ContainsKey('RemotePort') -And -Not $param.ContainsKey('Protocol')) -Or $param['Protocol'] -eq '*' ){
#Write-Host "Applying Protocol"
@('tcp','udp') | foreach {
$opt = $param.clone()
$opt['Protocol'] = $_;
$opt['Name'] += (' ('+$_+')');
FWRule $opt
}
return $null;
}
$param['DisplayName'] = ('[AutoHarden-{0}] {1}' -f $AutoHarden_version,$param['Name']) -replace '\] \[', ']['
if( $param.ContainsKey('Group') -and $param['Group'] -ne '' ){
$param['Group'] = ('AutoHarden-{0}' -f $param['Group'])
}
$param['Name'] = ('[AutoHarden-{0}][{1}] {2}' -f $AutoHarden_version,$param['Direction'],$param['Name'])
if( $param.ContainsKey('RemotePort') ){
$param['Name'] += (' '+$param['RemotePort'])
}
if( $param.ContainsKey('LocalPort') ){
$param['Name'] += (' '+$param['LocalPort'])
}
if( $param.ContainsKey('Protocol') ){
$param['Name'] += (' /'+$param['Protocol'])
}
if( (Get-NetFirewallRule -Group $param['Group'] -ErrorAction Ignore | where {$_.Name -eq $param['Name']}).Count -eq 0 ){
logInfo ("Create new FW rule: {0}" -f ($param | ConvertTo-Json))
New-NetFirewallRule -Enabled True -Profile Any @param -ErrorAction Continue > $null
}else{
logSuccess ("FW rule is in place: {0}" -f ($param | ConvertTo-Json))
}
}
###############################################################################
# Remove invalid or old rule
# This version doesn't remove hidden rules. Hidden rules can only be removed via registry...
#Get-NetFirewallRule | where {
# -not ($_.DisplayName -like "*[AutoHarden]*" -or $_.DisplayName -like "*AutoHarden*$AutoHarden_version*")
#} | Remove-NetFirewallRule -ErrorAction Continue > $null
#Get-NetFirewallRule -all -policystore configurableservicestore | where {
# -not ($_.DisplayName -like "*[AutoHarden]*" -or $_.DisplayName -like "*AutoHarden*$AutoHarden_version*")
#} | Remove-NetFirewallRule -ErrorAction Continue > $null
# Following Registry-Keys store the Rules: "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices"
# and all Subfolders. "Static" are only configurable by Registry, "Configurable" by command-line and Registry, "FirewallRules" are the rules you can see in
# WF.msc. If you take the rights of FirewallRules too, you can not modify by mmc.exe/wf.msc anymore.
#
# 1. HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules
# Windows Firewall rules are stored here. These are available through Windows Firewall API and these are visible and editable in WFC.
#
# 2. HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices\AppIso\FirewallRules
# Here are stored Windows Store rules that are defined for specific user accounts. These rules can be removed.
#
# 3. HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices\Static\System
# Here are stored default service based rules, meaning some services may accept connections only on certain ports, other services may not
# receive or initiate any connection. These can't be deleted. They are loaded and applied before the ones from 1. Windows Firewall API does
# not allow access to these, therefore WFC does not display them. Anyway, these should not be modified by the user.
function FWRemoveBadRules
{
$date = ('[AutoHarden-{0}]' -f $AutoHarden_version)
@(
'HKLM:\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules',
'HKLM:\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices\Configurable\System',
'HKLM:\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\RestrictedServices\AppIso\FirewallRules'
) | foreach {
Write-Host ('Working on {0}' -f $_) ;
$hive = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey(($_ -Replace 'HKLM\:\\', ''), $true);
if( $hive -eq $null ){
continue;
} ;
$hive.GetValueNames() | where {
-not $hive.GetValue($_).Contains('[AutoHarden]') -and
-not $hive.GetValue($_).Contains($date)
} | foreach {
$v = $hive.GetValue($_) ;
Write-Host ('Delete {0} => {1}' -f $_,$v) ;
$hive.DeleteValue($_) ;
} ;
}
}
###############################################################################
###############################################################################
###############################################################################
# Windows7 functions in degraded compactibility mode
###############################################################################
###############################################################################
###############################################################################
if( -not (Get-Command New-NetFirewallRule -ErrorAction SilentlyContinue) ){
###############################################################################
# Degraded compactibility mode of the function New-NetFirewallRule
function New-NetFirewallRule{
[cmdletbinding()]
Param (
[string] $Enabled,
[string] $Action,
[string] $Name,
[string] $DisplayName,
[string] $Profile,
[string] $Direction,
[string] $Group,
[string] $Description,
[string] $Program,
[string] $Protocol,
$RemotePort,
$LocalPort,
$RemoteAddress
)
$Direction = $Direction -replace 'bound', ''
if( [string]::IsNullOrEmpty($RemotePort) ){
$RemotePort=''
}else{
if( $RemotePort -is [array] ){
$RemotePort = $RemotePort -join ','
}
$RemotePort="remoteport=`"$RemotePort`""
}
if( [string]::IsNullOrEmpty($LocalPort) ){
$LocalPort=''
}else{
if( $LocalPort -is [array] ){
$LocalPort = $LocalPort -join ','
}
$LocalPort="localport=`"$LocalPort`""
}
if( [string]::IsNullOrEmpty($RemoteAddress) ){
$RemoteAddress=''
}else{
if( $RemoteAddress -is [array] ){
$RemoteAddress = $RemoteAddress -join ','
}
$RemoteAddress="remoteip=`"$RemoteAddress`""
}
if( [string]::IsNullOrEmpty($Program) ){
$Program=''
}else{
$Program="program=`"$Program`""
}
if( [string]::IsNullOrEmpty($Protocol) ){
$Protocol=''
}else{
$Protocol="protocol=$Protocol"
}
if( [string]::IsNullOrEmpty($Description) ){
$Description=''
}else{
$Description="description=$Description"
}
netsh advfirewall firewall add rule enable=yes name="$DisplayName" action=$Action dir=$Direction $Description $Protocol $RemoteAddress $RemotePort $LocalPort $Program
}
###############################################################################
# Degraded compactibility mode of the function ConvertTo-Json
function ConvertTo-Json{
[cmdletbinding()]
Param (
[parameter(ValueFromPipeline=$true)][object] $item
)
add-type -assembly system.web.extensions
$ps_js=new-object system.web.script.serialization.javascriptSerializer
return $ps_js.Serialize($item)
}
}
Write-Progress -Activity AutoHarden -Status "1.0-Firewall-Functions" -Completed
echo "####################################################################################################"
echo "# 1.1-Firewall-BasicRules"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.1-Firewall-BasicRules" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.1-Firewall-BasicRules"
### Snort & Suricata signatures for:
### https://blog.fox-it.com/2018/01/11/mitm6-compromising-ipv4-networks-via-ipv6
##
##alert udp fe80::/12 [546,547] -> fe80::/12 [546,547] (msg:"FOX-SRT - Policy - DHCPv6 advertise"; content:"|02|"; offset:48; depth:1; reference:url,blog.fox-it.com/2018/01/11/mitm6-compromising-ipv4-networks-via-ipv6/; threshold:type limit, track by_src, count 1, seconds 3600; classtype:policy-violation; sid:21002327; rev:2;)
##alert udp ::/0 53 -> any any (msg:"FOX-SRT - Suspicious - WPAD DNS reponse over IPv6"; byte_test:1,&,0x7F,2; byte_test:2,>,0,6; content:"|00 04|wpad"; nocase; fast_pattern; threshold: type limit, track by_src, count 1, seconds 1800; reference:url,blog.fox-it.com/2018/01/11/mitm6-compromising-ipv4-networks-via-ipv6/; classtype:attempted-admin; priority:1; sid:21002330; rev:1;)
FWRule @{
Name='NMAP'
Group='Pentest'
Direction='*'
Action='Allow'
blockExe="C:\Program Files*\Nmap\nmap.exe"
}
FWRule @{
Name='VMWare'
Group='Pentest'
Direction='*'
Action='Allow'
blockExe="C:\Program Files*\VMware\*\vmnat.exe"
}
# Note about 135/TCP => https://superuser.com/questions/669199/how-to-stop-listening-at-port-135/1012382#1012382
# Port 135/TCP can be killed in 100% of server and workstation if CreateObject("Excel.Application", RemoteMachine) is not used
# Disable ICMP redirects => https://fr.wikipedia.org/wiki/Attaque_par_redirection_ICMP
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v EnableICMPRedirect /t REG_DWORD /d 0 /f
reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters" /v EnableICMPRedirect /t REG_DWORD /d 0 /f
# IP source routing protection level (protects against packet spoofing)
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v DisableIPSourceRouting /t REG_DWORD /d 2 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters" /v DisableIPSourceRouting /t REG_DWORD /d 2 /f
Write-Progress -Activity AutoHarden -Status "1.1-Firewall-BasicRules" -Completed
echo "####################################################################################################"
echo "# 1.1-Firewall-Malware"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.1-Firewall-Malware" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.1-Firewall-Malware"
$q=ask "Block Internet communication for evil tools ?
This filtering prevents viruses from downloading the payload." "1.1-Firewall-Malware.ask"
if( $q -eq $true ){
@(
@{ Name='Intel Graphics Control Panel'; blockExe="C:\Windows\System32\driverstore\filerepository\*\GfxDownloadWrapper.exe" },
@{ Name='Microsoft.Workflow.Compiler'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\Microsoft.Workflow.Compiler.exe" },
@{ Name='Presentationhost'; blockExe="C:\Windows\Sys*\Presentationhost.exe" },
@{ Name='Dfsvc'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\Dfsvc.exe" },
@{ Name='IEexec'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\ieexec.exe" },
@{ Name='Csc'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\csc.exe" },
@{ Name='Msbuild'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\msbuild.exe" },
@{ Name='Regsvcs'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\regsvcs.exe" },
@{ Name='AddinUtil'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\AddinUtil.exe" },
@{ Name='InstallUtil'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\InstallUtil.exe" },
@{ Name='aspnet_compiler'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\aspnet_compiler.exe" },
@{ Name='ngen'; blockExe="C:\Windows\Microsoft.NET\Framework*\*\ngen.exe" },
@{ Name='HH'; blockExe=@("C:\Windows\*\hh.exe","C:\Windows\hh.exe") },
@{ Name='CertUtil'; blockExe="C:\Windows\Sys*\certutil.exe" },
@{ Name='Mshta'; blockExe="C:\Windows\Sys*\mshta.exe" },
@{ Name='BitsAdmin'; blockExe="C:\Windows\Sys*\BitsAdmin.exe" },
@{ Name='CScript'; blockExe="C:\Windows\Sys*\cscript.exe" },
@{ Name='WScript'; blockExe="C:\Windows\Sys*\wscript.exe" },
@{ Name='Cmstp'; blockExe="C:\Windows\Sys*\cmstp.exe" },
@{ Name='WmiC'; blockExe="C:\windows\*\wbem\wmic.exe" },# https://github.com/api0cradle/UltimateAppLockerByPassList/blob/master/md/Cmstp.exe.md
@{ Name='Cmdl32'; blockExe="C:\Windows\Sys*\Cmdl32.exe" },# https://twitter.com/ElliotKillick/status/1455897435063074824?t=5m5_Y1SRhLnd_UN6YktuVQ&s=09
@{ Name='Control'; blockExe="C:\Windows\Sys*\control.exe" },# https://github.com/api0cradle/UltimateAppLockerByPassList/blob/master/md/Control.exe.md
@{ Name='Atbroker'; blockExe="C:\Windows\Sys*\Atbroker.exe" },
@{ Name='Bash'; blockExe="C:\Windows\Sys*\bash.exe" },
@{ Name='Cmdkey'; blockExe="C:\Windows\Sys*\cmdkey.exe" },
@{ Name='Ie4uinit'; blockExe="C:\Windows\Sys*\ie4uinit.exe" },
@{ Name='Psr'; blockExe="C:\Windows\Sys*\Psr.exe" },
@{ Name='Pcalua'; blockExe="C:\Windows\Sys*\Pcalua.exe" },
@{ Name='certoc'; blockExe="C:\Windows\Sys*\certoc.exe" },
@{ Name='CertReq'; blockExe="C:\Windows\Sys*\CertReq.exe" },
@{ Name='Regasm'; blockExe="C:\Windows\Sys*\regasm.exe" },
@{ Name='Regsvr32'; blockExe="C:\Windows\Sys*\Regsvr32.exe" },
@{ Name='Rundll32'; blockExe="C:\Windows\Sys*\Rundll32.exe" },
@{ Name='Xwizard'; blockExe="C:\Windows\Sys*\xwizard.exe" },
@{ Name='Mavinject'; blockExe="C:\Windows\Sys*\mavinject.exe" },
@{ Name='Msdt'; blockExe="C:\Windows\Sys*\Msdt.exe" },
@{ Name='Msiexec'; blockExe="C:\Windows\Sys*\msiexec.exe" },
@{ Name='Odbcconf'; blockExe="C:\Windows\Sys*\odbcconf.exe" },
@{ Name='Pcwrun'; blockExe="C:\Windows\Sys*\Pcwrun.exe" },
@{ Name='Scriptrunner'; blockExe="C:\Windows\Sys*\Scriptrunner.exe" },
@{ Name='SyncAppvPublishingServer'; blockExe="C:\Windows\Sys*\SyncAppvPublishingServer.exe" },
@{ Name='Register-cimprovider'; blockExe="C:\Windows\Sys*\Register-cimprovider.exe" },
@{ Name='InfDefaultInstall'; blockExe="C:\Windows\Sys*\InfDefaultInstall.exe" },
@{ Name='Powershell'; blockExe=@(
"C:\Windows\WinSxS\*_microsoft-windows-*powershell-exe_*\powershell*.exe",
"C:\Windows\*\WindowsPowerShell\v1.0\powershell*.exe"
) }
) | foreach {
FWRule @{
Name=('[Deny Internet] {0}' -f $_.Name)
Group='LOLBAS'
Direction='Outbound'
Action='Block'
blockExe=$_.blockExe
RemoteAddress=$IPForInternet
}
}
}elseif($q -eq $false){
Get-NetFirewallRule -Group "AutoHarden-LOLBAS" -ErrorAction SilentlyContinue | Remove-NetFirewallRule
}
Write-Progress -Activity AutoHarden -Status "1.1-Firewall-Malware" -Completed
echo "####################################################################################################"
echo "# 1.2-Firewall-Office"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.2-Firewall-Office" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.2-Firewall-Office"
$q=ask "Block Internet communication for Word and Excel ?
Excel and Word will still be able to access files on local network shares.
This filtering prevents viruses from downloading the payload.
Block Internet communication for Word and Excel" "1.2-Firewall-Office.ask"
if( $q -eq $true ){
@(
@{Name='Word'; blockExe=@(
"C:\Program Files*\Microsoft Office*\root\*\winword.exe",
"C:\Program Files*\Microsoft Office*\*\root\*\winword.exe",
"C:\Program Files*\Microsoft Office*\*\winword.exe"
)},
@{Name='Excel'; blockExe=@(
"C:\Program Files*\Microsoft Office*\root\*\EXCEL.EXE",
"C:\Program Files*\Microsoft Office*\*\root\*\EXCEL.EXE",
"C:\Program Files*\Microsoft Office*\*\EXCEL.EXE",
"C:\Program Files*\Microsoft Office*\*\excelcnv.exe",
"C:\Program Files*\Microsoft Office*\*\*\excelcnv.exe"
)},
@{Name='PowerPoint'; blockExe=@(
"C:\Program Files*\Microsoft Office*\root\*\Powerpnt.exe",
"C:\Program Files*\Microsoft Office*\*\root\*\Powerpnt.exe",
"C:\Program Files*\Microsoft Office*\*\Powerpnt.exe"
)},
@{Name='OneNote'; blockExe=@(
"C:\Program Files*\Microsoft Office*\root\*\ONENOTE.exe",
"C:\Program Files*\Microsoft Office*\*\root\*\ONENOTE.exe",
"C:\Program Files*\Microsoft Office*\*\ONENOTE.exe"
)},
@{Name='Teams'; blockExe=@(
"C:\Users\*\AppData\Local\Microsoft\Teams\*\Squirrel.exe",
"C:\Users\*\AppData\Local\Microsoft\Teams\update.exe"
)}
) | foreach {
FWRule @{
Name=('[Deny Internet] {0}' -f $_.Name)
Group='Office'
Direction='Outbound'
Action='Block'
blockExe=$_.blockExe
RemoteAddress=$IPForInternet
}
}
# Avoid credentials leak https://www.guardicore.com/labs/autodiscovering-the-great-leak/
FWRule @{
Name='Avoid credentials leak in Outlook'
Group='Office'
Direction='Outbound'
Action='Block'
blockExe=@(
"C:\Program Files*\Microsoft Office*\root\*\OUTLOOK.exe",
"C:\Program Files*\Microsoft Office*\*\root\*\OUTLOOK.exe",
"C:\Program Files*\Microsoft Office*\*\OUTLOOK.exe"
)
Protocol='tcp'
RemotePort=80
}
}elseif($q -eq $false){
Get-NetFirewallRule -Group '*AutoHarden*Office*' -ErrorAction SilentlyContinue | Remove-NetFirewallRule
}
Write-Progress -Activity AutoHarden -Status "1.2-Firewall-Office" -Completed
echo "####################################################################################################"
echo "# 1.3-Firewall-IE"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.3-Firewall-IE" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.3-Firewall-IE"
$q=ask "Block Internet communication for 'Internet Explorer' ?
'Internet Explorer' will still be able to access web server on local network.
This filtering prevents viruses from downloading the payload.
Block Internet communication for 'Internet Explorer'" "1.3-Firewall-IE.ask"
if( $q -eq $true ){
fwRule @{
Name='[Deny Internet] InternetExplorer'
Group='InternetExplorer'
Direction='Outbound'
Action='Block'
blockExe=@(
"C:\Program Files*\Internet Explorer\iexplore.exe"
)
RemoteAddress=$IPForInternet
}
}elseif($q -eq $false){
Get-NetFirewallRule -DisplayName '*AutoHarden*InternetExplorer*' -ErrorAction SilentlyContinue | Remove-NetFirewallRule
}
Write-Progress -Activity AutoHarden -Status "1.3-Firewall-IE" -Completed
echo "####################################################################################################"
echo "# 1.4-Firewall-BlockOutgoingSNMP"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.4-Firewall-BlockOutgoingSNMP" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.4-Firewall-BlockOutgoingSNMP"
$q=ask "Disable SNMP communication (can break printers)" "1.4-Firewall-BlockOutgoingSNMP.ask"
if( $q -eq $true ){
fwRule @{
Name='SNMP'
Group='SNMP'
Direction='Outbound'
Action='Block'
Protocol='udp'
RemotePort=161
}
}elseif($q -eq $false){
Get-NetFirewallRule -DisplayName '*AutoHarden*SNMP*' -ErrorAction SilentlyContinue | Remove-NetFirewallRule
}
Write-Progress -Activity AutoHarden -Status "1.4-Firewall-BlockOutgoingSNMP" -Completed
echo "####################################################################################################"
echo "# 1.4-Firewall-RPC"
echo "####################################################################################################"
Write-Progress -Activity AutoHarden -Status "1.4-Firewall-RPC" -PercentComplete 0
Write-Host -BackgroundColor Blue -ForegroundColor White "Running 1.4-Firewall-RPC"
reg add "HKLM\SOFTWARE\Microsoft\Rpc\Internet" /v Ports /t REG_MULTI_SZ /f /d "60000-65000"
reg add "HKLM\SOFTWARE\Microsoft\Rpc\Internet" /v PortsInternetAvailable /t REG_SZ /f /d N
reg add "HKLM\SOFTWARE\Microsoft\Rpc\Internet" /v UseInternetPorts /t REG_SZ /f /d N
netsh int ipv4 set dynamicport tcp start=60000 num=5000 > $null
netsh int ipv4 set dynamicport udp start=60000 num=5000 > $null
netsh int ipv6 set dynamicport tcp start=60000 num=5000 > $null
netsh int ipv6 set dynamicport udp start=60000 num=5000 > $null
function testNetshRPCPort ($ipversion, $proto)
{
$ret=netsh int $ipversion show dynamicport $proto | Out-String
if( $ret.Contains('60000') -and $ret.Contains('5000') ){
logSuccess "$ipversion on $proto use the correct RPC range"
}else{
logError "$ipversion on $proto DO NOT USE the correct RPC range"
}
}
testNetshRPCPort 'ipv4' 'udp'
testNetshRPCPort 'ipv4' 'tcp'
testNetshRPCPort 'ipv6' 'udp'
testNetshRPCPort 'ipv6' 'tcp'
###################################################################################################
# RPC: Allow only authenticated RPC Clients to connect to RPC Servers
# reg add "HKLM\Software\Policies\Microsoft\Windows NT\Rpc" /v RestrictRemoteClients /t REG_SZ /f /d 1
# WARNING, a Windows update, will break all laptops.
# CONFLIC with DMA, will crash computer into bootloop
# In case of laptop locked down by dma, the computer will show an error "unable to read memory at 0x...." and the laptop will not be able to reboot.
# Fix:
# > get a shell in rescue mode and type:
# SET letter=C:
# reg.exe load HKLM\hklm_system %letter%\Windows\System32\Config\system
# reg.exe load HKLM\hklm_soft %letter%\Windows\System32\Config\software
# reg.exe delete "HKLM\hklm_soft\Policies\Microsoft\Windows NT\Rpc" /v RestrictRemoteClients /f
# reg.exe add HKLM\hklm_soft\Policies\Microsoft\FVE /v DisableExternalDMAUnderLock /d 0 /t REG_DWORD /f
# reg.exe unload HKLM\hklm_system