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Permissions report

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This commit is contained in:
Przemyslaw Klys
2020-12-13 14:53:58 +01:00
parent 7ac406ca24
commit 1f625e4e90
1 changed files with 108 additions and 4 deletions
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Private/Invoke.GPOZaurrPermissionsAnalysis.ps1
+108 -4
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@@ -171,6 +171,18 @@
"In such case we're assuming you know what you're doing. However it's always possible to review those permissions, as those are marked in the table for review. "
} -LineBreak
New-HTMLText -FontSize 10pt -Text "Assesment results " -FontWeight bold
New-HTMLList -Type Unordered {
New-HTMLListItem -Text 'Group Policies requiring Administrative Permissions Fix: ', $Script:Reporting['GPOPermissions']['Variables']['WillFixAdministrative'] -FontWeight normal, bold
New-HTMLListItem -Text "Group Policies which don't require changes: ", $Script:Reporting['GPOPermissions']['Variables']['WillNotTouchAdministrative'] -FontWeight normal, bold
} -FontSize 10pt
New-HTMLText -Text 'Following domains require actions (permissions required):' -FontSize 10pt -FontWeight bold
New-HTMLList -Type Unordered {
foreach ($Domain in $Script:Reporting['GPOPermissions']['Variables']['WillFixAdministrativePerDomain'].Keys) {
New-HTMLListItem -Text "$Domain requires ", $Script:Reporting['GPOPermissions']['Variables']['WillFixAdministrativePerDomain'][$Domain], " changes." -FontWeight normal, bold, normal
}
} -FontSize 10pt
New-HTMLText -Text "Third problem relates to SYSTEM account" -FontSize 10pt -FontWeight bold -TextDecoration underline -Alignment center
New-HTMLText -FontSize 10pt -TextBlock {
"When GPO is created by default it gets SYSTEM account with Edit/Delete/Modify Security permissions. "
@@ -182,6 +194,18 @@
"Sometimes groups or users are deleted in Active Directory and unfortunetly their permissions are not cleaned automatically. "
"Those are left in-place and stay there forever until removed. "
} -LineBreak
New-HTMLText -FontSize 10pt -Text "Assesment results " -FontWeight bold
New-HTMLList -Type Unordered {
New-HTMLListItem -Text 'Group Policies requiring Unknown permission removal: ', $Script:Reporting['GPOPermissions']['Variables']['WillFixUnknown'] -FontWeight normal, bold
New-HTMLListItem -Text "Group Policies which don't require changes: ", $Script:Reporting['GPOPermissions']['Variables']['WillNotTouchUnknown'] -FontWeight normal, bold
} -FontSize 10pt
New-HTMLText -Text 'Following domains require actions (permissions required):' -FontSize 10pt -FontWeight bold
New-HTMLList -Type Unordered {
foreach ($Domain in $Script:Reporting['GPOPermissions']['Variables']['WillFixUnknownPerDomain'].Keys) {
New-HTMLListItem -Text "$Domain requires ", $Script:Reporting['GPOPermissions']['Variables']['WillFixUnknownPerDomain'][$Domain], " changes." -FontWeight normal, bold, normal
}
} -FontSize 10pt
}
Solution = {
New-HTMLSection -Invisible {
@@ -262,7 +286,7 @@
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\GPOZaurrGPOPermissionsAdministrativeBefore.html -Verbose -Type GPOPermissionsAdministrative
Invoke-GPOZaurr -FilePath $Env:UserProfile\Desktop\GPOZaurrGPOPermissionsAdministrativeBefore.html -Verbose -Type GPOPermissions
}
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. "
@@ -271,8 +295,13 @@
}
New-HTMLText -Text "Alternatively if you prefer working with console you can run: "
New-HTMLCodeBlock -Code {
$AdministrativeUsers = Get-GPOZaurrPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -ReturnSecurityWhenNoData
$AdministrativeUsers | Format-Table
# This gets all permissions
$AllPermissions = Get-GPOZaurrPermission
$AllPermissions | Format-Table
# this analyses permissions
$PermissionsAnalysis = Get-GPOZaurrPermissionAnalysis
$PermissionsAnalysis | Format-Table
}
New-HTMLText -Text "It provides same data as you see in table above just doesn't prettify it for you."
}
@@ -289,7 +318,44 @@
"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 'Add Administrative Groups proper permissions GPO' {
New-HTMLText -Text @(
"Following command will find any GPO which doesn't have Domain Admins and Enterprise Admins added with GpoEditDeleteModifySecurity and will add it as GpoEditDeleteModifySecurity. ",
@@ -328,6 +394,44 @@
"In case of any issues please review and action accordingly. "
}
}
New-HTMLWizardStep -Name 'Remove Unknown Permissions' {
New-HTMLText -Text @(
"Following command will find any GPO which has an unknown SID and will remove it. ",
"This change doesn't change any other permissions. ",
"It ensures that GPOs have no unknown permissions present. ",
"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 {
Remove-GPOZaurrPermission -Verbose -Type Unknown -WhatIf
}
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 {
Remove-GPOZaurrPermission -Verbose -Type Unknown -WhatIf -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 {
Remove-GPOZaurrPermission -Verbose -Type Unknown -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 {
Remove-GPOZaurrPermission -Verbose -Type Unknown -LimitProcessing 2 -IncludeDomains 'YourDomainYouHavePermissionsFor'
}
New-HTMLText -TextBlock {
"This command when executed removes only first X unknwon permissions from 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."