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15 Commits

Author SHA1 Message Date
Przemyslaw Klys f990cdfa03 Update 2020-11-14 13:45:03 +01:00
Przemyslaw Klys 34282f79bc Update 2020-11-14 13:44:44 +01:00
Przemyslaw Klys eda72cb1d3 Update 2020-11-14 13:44:08 +01:00
Przemyslaw Klys 8ab9c0ee21 Update 2020-11-14 13:36:46 +01:00
Przemyslaw Klys 8646b07e41 Improved GPOPermissionsRead 2020-11-14 13:35:24 +01:00
Przemyslaw Klys 1fe0b6b37e Update help 2020-11-14 13:35:15 +01:00
Przemyslaw Klys 553de6dc2b Update help 2020-11-14 13:35:04 +01:00
Przemyslaw Klys 24fd00e110 Added example 2020-11-13 23:32:36 +01:00
Przemyslaw Klys 6e5ae262d4 Added Get-GPOZaurrPermissionIssue 2020-11-13 23:32:26 +01:00
Przemyslaw Klys 74192f5d48 Update readme/PSD1 2020-11-13 23:32:16 +01:00
Przemyslaw Klys d0dc7a7052 Disabled verbose 2020-11-13 23:32:05 +01:00
Przemyslaw Klys d465f404c9 Update 2020-11-12 21:16:32 +01:00
Przemyslaw Klys 64bd95d85c Update 2020-11-12 19:40:26 +01:00
Przemyslaw Klys 569c7ed910 Update example 2020-11-12 15:33:28 +01:00
Przemyslaw Klys 6fec1a264f Update readme 2020-11-12 13:41:49 +01:00
16 changed files with 366 additions and 35 deletions
@@ -0,0 +1,4 @@
Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
$Issues = Get-GPOZaurrPermissionIssue
$Issues | Format-Table
@@ -4,14 +4,18 @@
# And also can fix at the same time NotAdministrative - this basically looks for users/groups that are not Domain Admins or Enterprise Admins
# regardless if current user is still Domain Admin or not
$GPOs = Get-GPOZaurrOwner -IncludeSysvol #-GPOName
$GPOs = Get-GPOZaurrOwner -IncludeSysvol
$GPOs | Format-Table DisplayName, Owner, OwnerSID, OwnerType, SysvolOwner, SysvolSID, SysvolType
#Set-GPOZaurrOwner -Type Unknown -Verbose #-LimitProcessing 2 -WhatIf
Set-GPOZaurrOwner -Type NotAdministrative -Verbose -LimitProcessing 2 -WhatIf
#Set-GPOZaurrOwner -Type NotMatching -Verbose -LimitProcessing 2 -WhatIf
Set-GPOZaurrOwner -Type Unknown -Verbose -WhatIf #-LimitProcessing 2
Set-GPOZaurrOwner -Type All -Verbose -LimitProcessing 2 -WhatIf -IncludeDomains 'ad.evotec.pl'
Set-GPOZaurrOwner -Type NotMatching -Verbose -LimitProcessing 2 -WhatIf
#Set-GPOZaurrOwner -GPOName 'COMPUTERS | Enable Sets' -Verbose -Principal 'przemyslaw.klys' -WhatIf #-SkipSysvol
#Set-GPOZaurrOwner -GPOName 'New Group Policy Object' -Verbose #-WhatIf #-SkipSysvol
#$GPOs = Get-GPOZaurrOwner -IncludeSysvol #-GPOName 'New Group Policy Object'
#$GPOs | Format-Table DisplayName, Owner, OwnerSID
# This will only set it to przemyslaw klys if the owner is not Domain Admins / Enterprise Admins
# it's not working currently for any other object
# You can enforce -Force to set it to any other principal
Set-GPOZaurrOwner -GPOName 'COMPUTERS | Enable Sets' -Verbose -Principal 'przemyslaw.klys' -WhatIf:$false -Force #-SkipSysvol
Set-GPOZaurrOwner -GPOName 'New Group Policy Object' -Verbose -WhatIf #-SkipSysvol
$GPOs = Get-GPOZaurrOwner -IncludeSysvol #-GPOName 'New Group Policy Object'
$GPOs | Format-Table DisplayName, Owner, OwnerSID
+3 -3
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@@ -6,9 +6,9 @@
CompatiblePSEditions = @('Desktop')
Copyright = '(c) 2011 - 2020 Przemyslaw Klys @ Evotec. All rights reserved.'
Description = 'Group Policy Eater is a PowerShell module that aims to gather information about Group Policies but also allows fixing issues that you may find in them.'
FunctionsToExport = @('Add-GPOPermission', 'Add-GPOZaurrPermission', 'Backup-GPOZaurr', 'Clear-GPOZaurrSysvolDFSR', 'ConvertFrom-CSExtension', 'Find-CSExtension', 'Get-GPOZaurr', 'Get-GPOZaurrAD', 'Get-GPOZaurrBackupInformation', 'Get-GPOZaurrBroken', 'Get-GPOZaurrDictionary', 'Get-GPOZaurrDuplicateObject', 'Get-GPOZaurrFiles', 'Get-GPOZaurrFilesPolicyDefinition', 'Get-GPOZaurrFolders', 'Get-GPOZaurrInheritance', 'Get-GPOZaurrLegacyFiles', 'Get-GPOZaurrLink', 'Get-GPOZaurrLinkSummary', 'Get-GPOZaurrNetLogon', 'Get-GPOZaurrOwner', 'Get-GPOZaurrPassword', 'Get-GPOZaurrPermission', 'Get-GPOZaurrPermissionConsistency', 'Get-GPOZaurrPermissionRoot', 'Get-GPOZaurrPermissionSummary', 'Get-GPOZaurrSysvolDFSR', 'Get-GPOZaurrWMI', 'Invoke-GPOZaurr', 'Invoke-GPOZaurrContent', 'Invoke-GPOZaurrPermission', 'Invoke-GPOZaurrSupport', 'New-GPOZaurrWMI', 'Optimize-GPOZaurr', 'Remove-GPOPermission', 'Remove-GPOZaurr', 'Remove-GPOZaurrBroken', 'Remove-GPOZaurrDuplicateObject', 'Remove-GPOZaurrFolders', 'Remove-GPOZaurrLegacyFiles', 'Remove-GPOZaurrPermission', 'Remove-GPOZaurrWMI', 'Repair-GPOZaurrNetLogonOwner', 'Repair-GPOZaurrPermissionConsistency', 'Restore-GPOZaurr', 'Save-GPOZaurrFiles', 'Set-GPOOwner', 'Set-GPOZaurrOwner')
FunctionsToExport = @('Add-GPOPermission', 'Add-GPOZaurrPermission', 'Backup-GPOZaurr', 'Clear-GPOZaurrSysvolDFSR', 'ConvertFrom-CSExtension', 'Find-CSExtension', 'Get-GPOZaurr', 'Get-GPOZaurrAD', 'Get-GPOZaurrBackupInformation', 'Get-GPOZaurrBroken', 'Get-GPOZaurrDictionary', 'Get-GPOZaurrDuplicateObject', 'Get-GPOZaurrFiles', 'Get-GPOZaurrFilesPolicyDefinition', 'Get-GPOZaurrFolders', 'Get-GPOZaurrInheritance', 'Get-GPOZaurrLegacyFiles', 'Get-GPOZaurrLink', 'Get-GPOZaurrLinkSummary', 'Get-GPOZaurrNetLogon', 'Get-GPOZaurrOwner', 'Get-GPOZaurrPassword', 'Get-GPOZaurrPermission', 'Get-GPOZaurrPermissionConsistency', 'Get-GPOZaurrPermissionIssue', 'Get-GPOZaurrPermissionRoot', 'Get-GPOZaurrPermissionSummary', 'Get-GPOZaurrSysvolDFSR', 'Get-GPOZaurrWMI', 'Invoke-GPOZaurr', 'Invoke-GPOZaurrContent', 'Invoke-GPOZaurrPermission', 'Invoke-GPOZaurrSupport', 'New-GPOZaurrWMI', 'Optimize-GPOZaurr', 'Remove-GPOPermission', 'Remove-GPOZaurr', 'Remove-GPOZaurrBroken', 'Remove-GPOZaurrDuplicateObject', 'Remove-GPOZaurrFolders', 'Remove-GPOZaurrLegacyFiles', 'Remove-GPOZaurrPermission', 'Remove-GPOZaurrWMI', 'Repair-GPOZaurrNetLogonOwner', 'Repair-GPOZaurrPermissionConsistency', 'Restore-GPOZaurr', 'Save-GPOZaurrFiles', 'Set-GPOOwner', 'Set-GPOZaurrOwner')
GUID = 'f7d4c9e4-0298-4f51-ad77-e8e3febebbde'
ModuleVersion = '0.0.80'
ModuleVersion = '0.0.83'
PowerShellVersion = '5.1'
PrivateData = @{
PSData = @{
@@ -18,7 +18,7 @@
}
}
RequiredModules = @(@{
ModuleVersion = '0.0.187'
ModuleVersion = '0.0.188'
ModuleName = 'PSSharedGoods'
Guid = 'ee272aa8-baaa-4edf-9f45-b6d6f7d844fe'
}, @{
+2 -2
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@@ -166,7 +166,7 @@
#>
# I don't trust the returned data, some stuff like 'alias' shows up for groups. To unify it with everything else... using my own function
$PermissionAccount = Get-WinADObject -Identity $GPOPermission.Trustee.Sid.Value -AddType -Cache
$PermissionAccount = Get-WinADObject -Identity $GPOPermission.Trustee.Sid.Value -AddType -Cache -Verbose:$false
if ($PermissionAccount) {
$UserNameDomain = $PermissionAccount.DomainName
$UserName = $PermissionAccount.Name
@@ -214,7 +214,7 @@
if ($IncludeOwner) {
if ($GPO.Owner) {
# I don't trust the returned data, some stuff like 'alias' shows up for groups. To unify it with everything else... using my own function
$OwnerAccount = Get-WinADObject -Identity $GPO.Owner -AddType -Cache
$OwnerAccount = Get-WinADObject -Identity $GPO.Owner -AddType -Cache -Verbose:$false
if ($OwnerAccount) {
$UserNameDomain = $OwnerAccount.DomainName
$UserName = $OwnerAccount.Name
+1 -1
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@@ -17,7 +17,7 @@
$Script:Reporting['GPOConsistency']['Variables']['InconsistentInside']++
}
}
if ($Script:Reporting['GPOConsistency']['Variables']['Inconsistent'].Count -gt 0 -or $Script:Reporting['GPOConsistency']['Variables']['InconsistentInside'].Count -gt 0 ) {
if ($Script:Reporting['GPOConsistency']['Variables']['Inconsistent'] -gt 0 -or $Script:Reporting['GPOConsistency']['Variables']['InconsistentInside'] -gt 0 ) {
$Script:Reporting['GPOConsistency']['ActionRequired'] = $true
} else {
$Script:Reporting['GPOConsistency']['ActionRequired'] = $false
+1 -1
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@@ -65,7 +65,7 @@
}
}
$Script:Reporting['GPOList']['Variables']['GPOTotal'] = $Script:Reporting['GPOList']['Data'].Count
if ($Script:Reporting['GPOList']['Variables']['GPOEmptyOrUnlinked'].Count -gt 0) {
if ($Script:Reporting['GPOList']['Variables']['GPOEmptyOrUnlinked'] -gt 0) {
$Script:Reporting['GPOList']['ActionRequired'] = $true
} else {
$Script:Reporting['GPOList']['ActionRequired'] = $false
@@ -30,7 +30,7 @@
$Script:Reporting['NetLogonPermissions']['Variables']['NonOwner'].Add($File)
}
}
if ($Script:Reporting['NetLogonPermissions']['Variables']['NetLogonOwnersToFix'].Count -gt 0) {
if ($Script:Reporting['NetLogonPermissions']['Variables']['NetLogonOwnersToFix'] -gt 0) {
$Script:Reporting['NetLogonPermissions']['ActionRequired'] = $true
} else {
$Script:Reporting['NetLogonPermissions']['ActionRequired'] = $false
+1 -1
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@@ -29,7 +29,7 @@
$Script:Reporting['GPOOrphans']['Variables']['NotAvailablePermissionIssuePerDomain'][$GPO.DomainName]++
}
}
if ($Script:Reporting['GPOOrphans']['Variables']['ToBeDeleted'].Count -gt 0) {
if ($Script:Reporting['GPOOrphans']['Variables']['ToBeDeleted'] -gt 0) {
$Script:Reporting['GPOOrphans']['ActionRequired'] = $true
} else {
$Script:Reporting['GPOOrphans']['ActionRequired'] = $false
+10 -10
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@@ -37,7 +37,7 @@
$Script:Reporting['GPOOwners']['Variables']['WillNotTouch']++
}
}
if ($Script:Reporting['GPOOwners']['Variables']['WillFix'].Count -gt 0) {
if ($Script:Reporting['GPOOwners']['Variables']['WillFix'] -gt 0) {
$Script:Reporting['GPOOwners']['ActionRequired'] = $true
} else {
$Script:Reporting['GPOOwners']['ActionRequired'] = $false
@@ -133,18 +133,10 @@
New-HTMLTableCondition -Name 'IsOwnerAdministrative' -Value $false -BackgroundColor Salmon -ComparisonType string -Row
} -PagingOptions 10, 20, 30, 40, 50
}
if ($Script:Reporting['GPOOwners']['WarningsAndErrors']) {
New-HTMLSection -Name 'Warnings & Errors to Review' {
New-HTMLTable -DataTable $Script:Reporting['GPOOwners']['WarningsAndErrors'] -Filtering {
New-HTMLTableCondition -Name 'Type' -Value 'Warning' -BackgroundColor SandyBrown -ComparisonType string -Row
New-HTMLTableCondition -Name 'Type' -Value 'Error' -BackgroundColor Salmon -ComparisonType string -Row
}
}
}
New-HTMLSection -Name 'Steps to fix Group Policy Owners' {
New-HTMLContainer {
New-HTMLSpanStyle -FontSize 10pt {
New-HTMLText -Text 'Following steps will guide you how to fix group policy owners'
#New-HTMLText -Text 'Following steps will guide you how to fix group policy owners'
New-HTMLWizard {
New-HTMLWizardStep -Name 'Prepare environment' {
New-HTMLText -Text "To be able to execute actions in automated way please install required modules. Those modules will be installed straight from Microsoft PowerShell Gallery."
@@ -226,5 +218,13 @@
}
}
}
if ($Script:Reporting['GPOOwners']['WarningsAndErrors']) {
New-HTMLSection -Name 'Warnings & Errors to Review' {
New-HTMLTable -DataTable $Script:Reporting['GPOOwners']['WarningsAndErrors'] -Filtering {
New-HTMLTableCondition -Name 'Type' -Value 'Warning' -BackgroundColor SandyBrown -ComparisonType string -Row
New-HTMLTableCondition -Name 'Type' -Value 'Error' -BackgroundColor Salmon -ComparisonType string -Row
} -PagingOptions 10, 20, 30, 40, 50
}
}
}
}
+246
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@@ -0,0 +1,246 @@
$GPOZaurrPermissionsRead = [ordered] @{
Name = 'Group Policy Authenticated Users Permissions'
Enabled = $true
Action = $null
Data = $null
Execute = {
[ordered] @{
Permissions = Get-GPOZaurrPermission -Type AuthenticatedUsers -ReturnSecurityWhenNoData
Issues = Get-GPOZaurrPermissionIssue
}
}
Processing = {
# This is a workaround - we need to use it since we have 0 permissions
# Create Per Domain Variables
$Script:Reporting['GPOPermissionsRead']['Variables']['WillFixPerDomain'] = @{}
$Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouchPerDomain'] = @{}
$Script:Reporting['GPOPermissionsRead']['Variables']['ReadPerDomain'] = @{}
$Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotReadPerDomain'] = @{}
foreach ($GPO in $Script:Reporting['GPOPermissionsRead']['Data'].Issues) {
# Create Per Domain Variables
if (-not $Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotReadPerDomain'][$GPO.DomainName]) {
$Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotReadPerDomain'][$GPO.DomainName] = 0
}
if (-not $Script:Reporting['GPOPermissionsRead']['Variables']['ReadPerDomain'][$GPO.DomainName]) {
$Script:Reporting['GPOPermissionsRead']['Variables']['ReadPerDomain'][$GPO.DomainName] = 0
}
if ($GPO.PermissionIssue) {
$Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotRead']++
$Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotReadPerDomain'][$GPO.DomainName]++
} else {
$Script:Reporting['GPOPermissionsRead']['Variables']['Read']++
$Script:Reporting['GPOPermissionsRead']['Variables']['ReadPerDomain'][$GPO.DomainName]++
}
}
foreach ($GPO in $Script:Reporting['GPOPermissionsRead']['Data'].Permissions) {
# Create Per Domain Variables
if (-not $Script:Reporting['GPOPermissionsRead']['Variables']['WillFixPerDomain'][$GPO.DomainName]) {
$Script:Reporting['GPOPermissionsRead']['Variables']['WillFixPerDomain'][$GPO.DomainName] = 0
}
if (-not $Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouchPerDomain'][$GPO.DomainName]) {
$Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouchPerDomain'][$GPO.DomainName] = 0
}
# Checks
if ($GPO.Permission -in 'GpoApply', 'GpoRead') {
$Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouch']++
$Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouchPerDomain'][$GPO.DomainName]++
} else {
$Script:Reporting['GPOPermissionsRead']['Variables']['WillFix']++
$Script:Reporting['GPOPermissionsRead']['Variables']['WillFixPerDomain'][$GPO.DomainName]++
}
}
if ($Script:Reporting['GPOPermissionsRead']['Variables']['WillFix'] -gt 0 -or $Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotRead'] -gt 0) {
$Script:Reporting['GPOPermissionsRead']['ActionRequired'] = $true
} else {
$Script:Reporting['GPOPermissionsRead']['ActionRequired'] = $false
}
# Summary from 2 reports
$Script:Reporting['GPOPermissionsRead']['Variables']['TotalToFix'] = $Script:Reporting['GPOPermissionsRead']['Variables']['WillFix'] + $Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotRead']
}
Variables = @{
WillFix = 0
WillNotTouch = 0
WillFixPerDomain = $null
WillNotTouchPerDomain = $null
CouldNotRead = 0
CouldNotReadPerDomain = $null
Read = 0
ReadPerDomain = $null
TotalToFix = 0
}
Overview = {
}
Summary = {
New-HTMLText -FontSize 10pt -TextBlock {
"When GPO is created one of the permissions that are required for proper functioning of Group Policies is NT AUTHORITY\Authenticated Users. "
"Some Administrators don't follow best practices and trying to remove GpoApply permission, remove also GpoRead permission from a GPO which can have consequences. "
} -LineBreak
New-HTMLText -Text "On June 14th, 2016 Microsoft released [HotFix](https://support.microsoft.com/en-gb/help/3159398/ms16-072-description-of-the-security-update-for-group-policy-june-14-2) that requires Authenticated Users to be present on all Group Policies to function properly: " -FontSize 10pt
New-HTMLText -TextBlock {
"MS16-072 changes the security context with which user group policies are retrieved. "
"This by-design behavior change protects customers computers from a security vulnerability. "
"Before MS16-072 is installed, user group policies were retrieved by using the users security context. "
"After MS16-072 is installed, user group policies are retrieved by using the computer's security context."
} -FontStyle italic -FontSize 10pt -FontWeight bold -LineBreak
New-HTMLText -FontSize 10pt -Text @(
"There are two parts to this assesment. Reading all Group Policies Permissions that account ",
$($Env:USERNAME.ToUpper()),
" has permissions to read and provide detailed assesment about permissions. ",
"Second assesment checks for permissions that this account is not able to read at all, and therefore it has no visibility about permissions set on it. "
"We just were able to detect the problem, but hopefully higher level account (Domain Admin) should be able to provide full assesment. "
) -FontWeight normal, bold, normal
New-HTMLText -FontSize 10pt -Text "First assesment results: " -FontWeight bold
New-HTMLList -Type Unordered {
New-HTMLListItem -Text 'Group Policies requiring Authenticated Users with GpoRead permission: ', $Script:Reporting['GPOPermissionsRead']['Variables']['WillFix'] -FontWeight normal, bold
New-HTMLListItem -Text "Group Policies which don't require changes: ", $Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouch'] -FontWeight normal, bold
} -FontSize 10pt
New-HTMLText -Text 'Following domains require actions (permissions required):' -FontSize 10pt -FontWeight bold
New-HTMLList -Type Unordered {
foreach ($Domain in $Script:Reporting['GPOPermissionsRead']['Variables']['WillFixPerDomain'].Keys) {
New-HTMLListItem -Text "$Domain requires ", $Script:Reporting['GPOPermissionsRead']['Variables']['WillFixPerDomain'][$Domain], " changes." -FontWeight normal, bold, normal
}
} -FontSize 10pt
New-HTMLText -FontSize 10pt -Text "Secondary assesment results: " -FontWeight bold
New-HTMLList -Type Unordered {
New-HTMLListItem -Text "Group Policies couldn't read at all: ", $Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotRead'] -FontWeight normal, bold
New-HTMLListItem -Text "Group Policies with permissions allowing read: ", $Script:Reporting['GPOPermissionsRead']['Variables']['Read'] -FontWeight normal, bold
} -FontSize 10pt
New-HTMLText -Text @(
"That means we need to fix permissions on: "
$($Script:Reporting['GPOPermissionsRead']['Variables']['TotalToFix'])
" out of "
$($Script:Reporting['GPOPermissionsRead']['Data'].Issues).Count
" Group Policies. "
) -FontSize 10pt -FontWeight bold, bold, normal, bold, normal -Color Black, FreeSpeechRed, Black, Black -LineBreak -TextDecoration none, underline, underline, underline, none
}
Solution = {
New-HTMLSection -Invisible {
New-HTMLPanel {
& $Script:GPOConfiguration['GPOPermissionsRead']['Summary']
}
New-HTMLPanel {
New-HTMLChart {
New-ChartBarOptions -Type barStacked
New-ChartLegend -Name 'Yes', 'No' -Color LightGreen, Salmon
New-ChartBar -Name 'Authenticated Users Available' -Value $Script:Reporting['GPOPermissionsRead']['Variables']['WillNotTouch'], $Script:Reporting['GPOPermissionsRead']['Variables']['WillFix']
New-ChartBar -Name 'Accessible Group Policies' -Value $Script:Reporting['GPOPermissionsRead']['Variables']['Read'], $Script:Reporting['GPOPermissionsRead']['Variables']['CouldNotRead']
} -Title 'Group Policy Permissions' -TitleAlignment center
}
}
New-HTMLSection -Name 'Group Policy Authenticated Users Analysis' {
New-HTMLTable -DataTable $Script:Reporting['GPOPermissionsRead']['Data'].Permissions -Filtering {
New-HTMLTableCondition -Name 'Permission' -Value '' -BackgroundColor Salmon -ComparisonType string -Row
} -PagingOptions 7, 15, 30, 45, 60
}
New-HTMLSection -Name 'Group Policy Issues Assesment' {
New-HTMLTable -DataTable $Script:Reporting['GPOPermissionsRead']['Data'].Issues -Filtering {
New-HTMLTableCondition -Name 'PermissionIssue' -Value $true -BackgroundColor Salmon -ComparisonType string -Row
} -PagingOptions 7, 15, 30, 45, 60 -DefaultSortColumn PermissionIssue -DefaultSortOrder Descending
}
New-HTMLSection -Name 'Steps to fix Group Policy Authenticated Users' {
New-HTMLContainer {
New-HTMLSpanStyle -FontSize 10pt {
New-HTMLWizard {
New-HTMLWizardStep -Name 'Prepare environment' {
New-HTMLText -Text "To be able to execute actions in automated way please install required modules. Those modules will be installed straight from Microsoft PowerShell Gallery."
New-HTMLCodeBlock -Code {
Install-Module GPOZaurr -Force
Import-Module GPOZaurr -Force
} -Style powershell
New-HTMLText -Text "Using force makes sure newest version is downloaded from PowerShellGallery regardless of what is currently installed. Once installed you're ready for next step."
}
New-HTMLWizardStep -Name 'Prepare report' {
New-HTMLText -Text "Depending when this report was run you may want to prepare new report before proceeding with fixing Group Policy Authenticated Users. To generate new report please use:"
New-HTMLCodeBlock -Code {
Invoke-GPOZaurr -FilePath $Env:UserProfile\Desktop\GPOZaurrGPOPermissionsReadBefore.html -Verbose -Type GPOPermissionsRead
}
New-HTMLText -TextBlock {
"When executed it will take a while to generate all data and provide you with new report depending on size of environment. "
"GPOs with problems will be those not having any value for Permission/PermissionType columns. "
"Once confirmed that data is still showing issues and requires fixing please proceed with next step."
}
New-HTMLText -Text "Alternatively if you prefer working with console you can run: "
New-HTMLCodeBlock -Code {
$AuthenticatedUsers = Get-GPOZaurrPermission -Type AuthenticatedUsers -ReturnSecurityWhenNoData
$AuthenticatedUsers | Format-Table
}
New-HTMLText -Text "It provides same data as you see in table above just doesn't prettify it for you."
}
New-HTMLWizardStep -Name 'Make a backup (optional)' {
New-HTMLText -TextBlock {
"The process of fixing GPO Permissions does NOT touch GPO content. It simply adds permissionss on AD and SYSVOL at the same time for given GPO. "
"However, it's always good to have a backup before executing changes that may impact Active Directory. "
}
New-HTMLCodeBlock -Code {
$GPOSummary = Backup-GPOZaurr -BackupPath "$Env:UserProfile\Desktop\GPO" -Verbose -Type All
$GPOSummary | Format-Table # only if you want to display output of backup
}
New-HTMLText -TextBlock {
"Above command when executed will make a backup to Desktop, create GPO folder and within it it will put all those GPOs. "
}
}
New-HTMLWizardStep -Name 'Add Authenticated Users ability to read all GPO' {
New-HTMLText -Text @(
"Following command will find any GPO which doesn't have Authenticated User as GpoRead or GpoApply and will add it as GpoRead. ",
"This change doesn't change GpoApply permission, therefore it won't change to whom the GPO applies to. ",
"It ensures that COMPUTERS can read GPO properly to be able to Apply it. ",
"Make sure when running it for the first time to run it with ",
"WhatIf",
" parameter as shown below to prevent accidental adding of permissions."
) -FontWeight normal, normal, normal, normal, bold, normal -Color Black, Black, Black, Black, Red, Black
New-HTMLCodeBlock -Code {
Add-GPOZaurrPermission -Type AuthenticatedUsers -PermissionType GpoRead -All -WhatIf -Verbose
}
New-HTMLText -TextBlock {
"Alternatively for multi-domain scenario, if you have limited Domain Admin credentials to a single domain please use following command: "
}
New-HTMLCodeBlock -Code {
Add-GPOZaurrPermission -Type AuthenticatedUsers -PermissionType GpoRead -All -WhatIf -Verbose -IncludeDomains 'YourDomainYouHavePermissionsFor'
}
New-HTMLText -TextBlock {
"After execution please make sure there are no errors, make sure to review provided output, and confirm that what is about to be changed matches expected data."
} -LineBreak
New-HTMLText -Text "Once happy with results please follow with command (this will start fixing process): " -LineBreak -FontWeight bold
New-HTMLCodeBlock -Code {
Add-GPOZaurrPermission -Type AuthenticatedUsers -PermissionType GpoRead -All -Verbose -LimitProcessing 2
}
New-HTMLText -TextBlock {
"Alternatively for multi-domain scenario, if you have limited Domain Admin credentials to a single domain please use following command: "
}
New-HTMLCodeBlock -Code {
Add-GPOZaurrPermission -Type AuthenticatedUsers -PermissionType GpoRead -All -Verbose -LimitProcessing 2 -IncludeDomains 'YourDomainYouHavePermissionsFor'
}
New-HTMLText -TextBlock {
"This command when executed adds Authenticated Users (GpoRead permission) only on first X non-compliant Group Policies. "
"Use LimitProcessing parameter to prevent mass change and increase the counter when no errors occur."
"Repeat step above as much as needed increasing LimitProcessing count till there's nothing left. "
"In case of any issues please review and action accordingly."
}
}
New-HTMLWizardStep -Name 'Verification report' {
New-HTMLText -TextBlock {
"Once cleanup task was executed properly, we need to verify that report now shows no problems."
}
New-HTMLCodeBlock -Code {
Invoke-GPOZaurr -FilePath $Env:UserProfile\Desktop\GPOZaurrGPOPermissionsReadAfter.html -Verbose -Type GPOPermissionsRead
}
New-HTMLText -Text "If everything is healthy in the report you're done! Enjoy rest of the day!" -Color BlueDiamond
}
} -RemoveDoneStepOnNavigateBack -Theme arrows -ToolbarButtonPosition center
}
}
}
if ($Script:Reporting['GPOPermissionsRead']['WarningsAndErrors']) {
New-HTMLSection -Name 'Warnings & Errors to Review' {
New-HTMLTable -DataTable $Script:Reporting['GPOPermissionsRead']['WarningsAndErrors'] -Filtering {
New-HTMLTableCondition -Name 'Type' -Value 'Warning' -BackgroundColor SandyBrown -ComparisonType string -Row
New-HTMLTableCondition -Name 'Type' -Value 'Error' -BackgroundColor Salmon -ComparisonType string -Row
} -PagingOptions 10, 20, 30, 40, 50
}
}
}
}
+1
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@@ -6,6 +6,7 @@
GPOList = $GPOZaurrList
GPOPassword = $GPOZaurrPassword
GPOPermissions = $GPOZaurrPermissions
GPOPermissionsRead = $GPOZaurrPermissionsRead
GPOPermissionsRoot = $GPOZaurrPermissionsRoot
GPOFiles = $GPOZaurrFiles
GPOBlockedInheritance = $GPOZaurrBlockedInheritance
+1 -1
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@@ -19,7 +19,7 @@
Doesn't display GPOs that have no SYSVOL content (orphaned GPOs)
.PARAMETER Forest
Target different Forest
Target different Forest, by default current forest is used
.PARAMETER ExcludeDomains
Exclude domain from search, by default whole forest is scanned
+4 -4
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@@ -7,16 +7,16 @@
Tries to find CPassword in Group Policies or given path and translate it to readable value
.PARAMETER Forest
Specify forest name. By default current forest is used
Target different Forest, by default current forest is used
.PARAMETER ExcludeDomains
Exclude Domain or Domains
Exclude domain from search, by default whole forest is scanned
.PARAMETER IncludeDomains
Include only certain Domain or Domains
Include only specific domains, by default whole forest is scanned
.PARAMETER ExtendedForestInformation
Ability to provide extended forest information in advanced scenarios
Ability to provide Forest Information from another command to speed up processing
.PARAMETER GPOPath
Path where Group Policy content is located or where backup is located
+65
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@@ -0,0 +1,65 @@
function Get-GPOZaurrPermissionIssue {
<#
.SYNOPSIS
Detects Group Policy missing Authenticated Users permission while not having higher permissions.
.DESCRIPTION
Detects Group Policy missing Authenticated Users permission while not having higher permissions.
.PARAMETER Forest
Target different Forest, by default current forest is used
.PARAMETER ExcludeDomains
Exclude domain from search, by default whole forest is scanned
.PARAMETER IncludeDomains
Include only specific domains, by default whole forest is scanned
.PARAMETER ExtendedForestInformation
Ability to provide Forest Information from another command to speed up processing
.EXAMPLE
$Issues = Get-GPOZaurrPermissionIssue
$Issues | Format-Table
.NOTES
General notes
#>
[cmdletBinding()]
param(
[alias('ForestName')][string] $Forest,
[string[]] $ExcludeDomains,
[alias('Domain', 'Domains')][string[]] $IncludeDomains,
[System.Collections.IDictionary] $ExtendedForestInformation
)
$ForestInformation = Get-WinADForestDetails -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExcludeDomainControllers $ExcludeDomainControllers -IncludeDomainControllers $IncludeDomainControllers -SkipRODC:$SkipRODC -ExtendedForestInformation $ExtendedForestInformation -Extended
foreach ($Domain in $ForestInformation.Domains) {
$TimeLog = Start-TimeLog
Write-Verbose "Get-GPOZaurrPermissionIssue - Starting process for $Domain"
$QueryServer = $ForestInformation['QueryServers']["$Domain"].HostName[0]
$SystemsContainer = $ForestInformation['DomainsExtended'][$Domain].SystemsContainer
if ($SystemsContainer) {
$PoliciesSearchBase = -join ("CN=Policies,", $SystemsContainer)
$Properties = 'DisplayName', 'Name', 'DistinguishedName', 'ObjectClass', 'WhenCreated', 'WhenChanged'
$PoliciesInAD = Get-ADObject -SearchBase $PoliciesSearchBase -SearchScope OneLevel -Filter * -Server $QueryServer -Properties $Properties
foreach ($Policy in $PoliciesInAD) {
$GUIDFromDN = ConvertFrom-DistinguishedName -DistinguishedName $Policy.DistinguishedName
$GUIDFromDN = $GUIDFromDN -replace '{' -replace '}'
$GUID = $Policy.Name -replace '{' -replace '}'
[PSCustomObject] @{
DisplayName = $Policy.DisplayName
DomainName = $Domain
PermissionIssue = -not ($GUID -and $GUIDFromDN)
ObjectClass = $Policy.ObjectClass
Name = $Policy.Name
DistinguishedName = $Policy.DistinguishedName
GUID = $GUIDFromDN
WhenCreated = $Policy.WhenCreated
WhenChanged = $Policy.WhenChanged
}
}
}
$TimeEnd = Stop-TimeLog -Time $TimeLog -Option OneLiner
Write-Verbose "Get-GPOZaurrPermissionIssue - Finishing process for $Domain (Time to process: $TimeEnd)"
}
}
+1 -1
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@@ -18,7 +18,7 @@
GUID of GPO. By default all GPOs are targetted
.PARAMETER Forest
Target different Forest
Target different Forest, by default current forest is used
.PARAMETER ExcludeDomains
Exclude domain from search, by default whole forest is scanned
+13 -2
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@@ -57,8 +57,19 @@ That's it. Whenever there's a new version, you run the command, and you can enjo
## Changelog
- 0.0.80
- [x] Improves `Invoke-GPOZaurr`
- 0.0.83 - 14.11.2020
- [x] Improves `Invoke-GPOZaurr` (WIP)
- [x] Fix for wrong ActionRequired count
- 0.0.82 - 14.11.2020
- [x] Added `Get-GPOZaurrPermissionIssue` to detect permission issue with no rights
- [x] Improves `Invoke-GPOZaurr` (WIP)
- [x] Type `GPOPermissionsRead` improved detection of problems with low permissions
- 0.0.81 - 12.11.2020
- [x] Fix for `Set-GPOZaurrOwner` in case of missing permissions to not throw errors
- [x] Improves `Invoke-GPOZaurr` (WIP)
- [x] Type `GPOPermissionsRead` added
- 0.0.80 - 12.11.2020
- [x] Improves `Invoke-GPOZaurr` (WIP)
- [x] Type `GPOOrphans` clearer options, updated texts, split per domain
- [x] Type `GPOOwners` clearer options, updated texts, split per domain
- [x] Improves `Add-GPOZaurrPermission`