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Enum-ADTrusts.ps1
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Enum-ADTrusts.ps1
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<#
.SYNOPSIS
Script to enumerate Active Directory Trusts
.PARAMETER ShowGraphNotation
Displays a textual graph representation at the end.
This output can be pasted to a text file and displayed in a graph-like representation, e.g. with the Linux tool 'graph-easy', as follows:
graph-easy <TextFileWithGraphOutput.txt>
.PARAMETER IncludeReason
Displays why a cerain trust characteristic was displayed with the given value
.OUTPUTS
None
.NOTES
Version: 1.0
Author: Carsten Sandker (@0xcsandker)
Creation Date: 17 Jul 2021
Purpose/Change: Initial script development
.EXAMPLE
.\Enum-ADTrusts.ps1
#>
#---------------------------------------------------------[Param Definition]--------------------------------------------------------
[CmdletBinding()]
PARAM (
[Switch]
$IncludeReason = $false,
[Switch]
$ShowGraphNotation = $false,
[String]
$Domain
)
#----------------------------------------------------------[Declarations]----------------------------------------------------------
## Script Version
$sScriptVersion = "1.0"
## Globals
$global:gTrustTree = @{}
$global:gUnreachableDomains = @{}
enum TrustDirection {
InBound = 1
OutBound = 2
BiDirectional = 3
}
enum TrustTypeID {
DOWNLEVEL = 0x00000001
UPLEVEL = 0x00000002
MIT = 0x00000003
TRUST_TYPE_DCE = 0x00000004
}
[Flags()] enum TrustAttributes {
TRUST_ATTRIBUTE_NON_TRANSITIVE = 0x00000001
TRUST_ATTRIBUTE_UPLEVEL_ONLY = 0x00000002
TRUST_ATTRIBUTE_QUARANTINED_DOMAIN = 0x00000004
TRUST_ATTRIBUTE_FOREST_TRANSITIVE = 0x00000008
TRUST_ATTRIBUTE_CROSS_ORGANIZATION = 0x00000010
TRUST_ATTRIBUTE_WITHIN_FOREST = 0x00000020
TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL = 0x00000040
TRUST_ATTRIBUTE_USES_RC4_ENCRYPTION = 0x00000080
TRUST_ATTRIBUTE_CROSS_ORGANIZATION_NO_TGT_DELEGATION = 0x00000200
TRUST_ATTRIBUTE_PIM_TRUST = 0x00000400
TRUST_ATTRIBUTE_CROSS_ORGANIZATION_ENABLE_TGT_DELEGATION = 0x00000800
}
[Flags()] enum SupportedEncryptionTypes {
DES_CBC_CRC = 0x01
DES_CBC_MD5 = 0x02
RC4_HMAC = 0x04
AES128_CTS_HMAC_SHA1_96 = 0x08
AES256_CTS_HMAC_SHA1_96 = 0x10
}
## equivalent to https://docs.microsoft.com/en-us/dotnet/api/system.directoryservices.activedirectory.trusttype?view=net-5.0
enum TrustFlavor {
TreeRoot = 0
ParentChild = 1
CrossLink = 2 ## aka "Shortcut"
External = 3
Forest = 4
Kerberos = 5 ## aka "Realm"
Unknown = 6
}
$gTrustAttributeMap = @{
"TRUST_DIRECTION" = "trustdirection";
"TRUST_PARTNER" = "trustpartner";
"TRUST_ATTRIBUTES" = "trustAttributes";
"TRUST_TYPE_ID" = "trustType";
"TRUST_SUPPORTED_ENCRYPTION_TYPES" = "msds-supportedencryptiontypes";
}
#-----------------------------------------------------------[Functions]------------------------------------------------------------
Function TrustPropertyTrustDirection {
Param(
[Object]
$TrustProperties
)
Process {
if( $TrustProperties -ne $null ){
$trustDirectionID = $TrustProperties['TRUST_DIRECTION']
$trustDirection = [TrustDirection].GetEnumName($trustDirectionID)
return $trustDirection
}
else {
return "Unknown"
}
}
}
Function TrustPropertyTrustFlavor {
Param(
[Object]
$TrustProperties,
[String]
$TrustNode,
[String]
$TrustPartner
)
Process {
## Check if TrustFlavor already saved in $gTrustTree
if(
( $gTrustTree.Keys -Contains $TrustNode ) -AND
( $gTrustTree[$TrustNode][$TrustPartner].Keys -Contains "TRUST_FLAVOR" )
){
$trustFlavor = $gTrustTree[$TrustNode][$TrustPartner]["TRUST_FLAVOR"]
return $trustFlavor
}
else{
## If not contained in $gTrustTree, query for it
if( $TrustProperties -ne $null ){
$trustAttributes = $TrustProperties['TRUST_ATTRIBUTES']
$trustTypeID = $TrustProperties['TRUST_TYPE_ID']
$trustFlavor = GetTrustFlavor -requestingNodeName $TrustNode -requestedNodeName $TrustPartner -trustTypeID $trustTypeID -trustAttributes $trustAttributes
try {
$gTrustTree[$TrustNode][$TrustPartner].Add("TRUST_FLAVOR", $trustFlavor)
} Catch {}
return $trustFlavor
}else {
Try{
$gTrustTree[$TrustNode][$TrustPartner].Add("TRUST_FLAVOR", [TrustFlavor]::Unknown)
}Catch {}
return [TrustFlavor]::Unknown
}
}
}
}
Function TrustPropertyAuthenticationLevel {
Param(
[Object]
$TrustProperties
)
Process {
$sStatus = "Unknown"
$sReason = "Unknown"
if( $TrustProperties -ne $null ){
$trustAttributes = $TrustProperties['TRUST_ATTRIBUTES']
$trustAuthenticationLevelStatus = GetTrustAuthenticationLevel -trustAttributes $trustAttributes
$sStatus = $trustAuthenticationLevelStatus.sStatus
$sReason = $trustAuthenticationLevelStatus.sReason
}
$resultObj = CreateStatusResultObject -status $sStatus -reason $sReason
return $resultObj
}
}
Function TrustPropertyTransitivity {
Param(
[Object]
$TrustProperties,
[TrustFlavor]
$TrustFlavor
)
Process {
$sStatus = "Unknown"
$sReason = "Unknown"
if( $TrustProperties -ne $null ){
$trustAttributes = $TrustProperties['TRUST_ATTRIBUTES']
$trustTransitivityStatus = GetTrustTransitivtyStatus -trustAttributes $trustAttributes -trustFlavor $TrustFlavor
$sStatus = $trustTransitivityStatus.sStatus
$sReason = $trustTransitivityStatus.sReason
}
$resultObj = CreateStatusResultObject -status $sStatus -reason $sReason
return $resultObj
}
}
Function TrustPropertySIDFiltering {
Param(
[Object]
$TrustProperties,
[TrustFlavor]
$TrustFlavor,
[String]
$TrustPartner
)
Process {
$sStatus = "Unknown"
$sReason = "Unknown"
if( $TrustProperties -ne $null ){
$trustAttributes = $TrustProperties['TRUST_ATTRIBUTES']
$trustSIDFilteringStatus = GetTrustSIDFilteringStatus -trustAttributes $trustAttributes -TrustFlavor $TrustFlavor -trustedDomain $TrustPartner
$sStatus = $trustSIDFilteringStatus.sStatus
$sReason = $trustSIDFilteringStatus.sReason
}
$resultObj = CreateStatusResultObject -status $sStatus -reason $sReason
return $resultObj
}
}
Function TrustPropertyTGTDelegation {
Param(
[Object]
$TrustProperties
)
Process {
$sStatus = "Unknown"
$sReason = "Unknown"
if( $TrustProperties -ne $null ){
$trustAttributes = $TrustProperties['TRUST_ATTRIBUTES']
$trustTGTDelegationStatus = GetTrustTGTDelegationStatus -trustAttributes $trustAttributes
$sStatus = $trustTGTDelegationStatus.sStatus
$sReason = $trustTGTDelegationStatus.sReason
}
$resultObj = CreateStatusResultObject -status $sStatus -reason $sReason
return $resultObj
}
}
Function TrustPropertyTrustFlagsStr {
Param(
[Object]
$TrustProperties
)
Process {
if( $TrustProperties -ne $null ){
$trustAttributes = $TrustProperties['TRUST_ATTRIBUTES']
$trustAttributeFlags = GetTrustAttributesFlags -trustAttributes $trustAttributes
if( $trustAttributeFlags ){
$trustAttributeFlagsStr = [String]::join(', ', $trustAttributeFlags)
return $trustAttributeFlagsStr
}
elseif ( ([String]::Empty -eq $trustAttributeFlags) -OR ($trustAttributeFlags -eq $NULL) ){
return "[None]"
}
else {
return $trustAttributeFlags
}
}
else {
return "Unknown"
}
}
}
Function TrustPropertySupportedEncryptionType {
Param(
[Object]
$TrustProperties
)
Process {
$sStatus = "Unknown"
$sReason = "Unknown"
if( $TrustProperties -ne $null ){
$trustSupportedEncryptionTypes = $TrustProperties['TRUST_SUPPORTED_ENCRYPTION_TYPES']
$supportedEncryptionTypesStatus = GetTrustSupportedEncryptionTypes -SupportedEncryptionTypes $trustSupportedEncryptionTypes
$sStatus = $supportedEncryptionTypesStatus.sStatus
$sReason = $supportedEncryptionTypesStatus.sReason
}
$resultObj = CreateStatusResultObject -status $sStatus -reason $sReason
return $resultObj
}
}
Function PrintTrustRelationship {
Param(
[String]
$trustNodeOne,
[Object]
$trustNodeOnes_Properties,
[String]
$trustNodeTwo,
[Object]
$trustNodeTwos_Properties
)
Process {
$outputTable = @()
$outputTable += [pscustomobject]@{"Attribute" = ""; "Domain: $trustNodeOne" = ""; "Domain: $trustNodeTwo" = ""}
## Print: TrustDirection
$trustDirectionOne = TrustPropertyTrustDirection -TrustProperties $trustNodeOnes_Properties
$trustDirectionTwo = TrustPropertyTrustDirection -TrustProperties $trustNodeTwos_Properties
$outputTable += [pscustomobject]@{"Attribute" = "TrustDirection:"; "Domain: $trustNodeOne" = "$trustDirectionOne"; "Domain: $trustNodeTwo" = "$trustDirectionTwo"}
## Print: TrustFlavor
$trustFlavorOne = TrustPropertyTrustFlavor -TrustProperties $trustNodeOnes_Properties -TrustNode $trustNodeOne -TrustPartner $trustNodeTwo
$trustFlavorTwo = TrustPropertyTrustFlavor -TrustProperties $trustNodeTwos_Properties -TrustNode $trustNodeTwo -TrustPartner $trustNodeOne
$outputTable += [pscustomobject]@{"Attribute" = "TrustFlavor:"; "Domain: $trustNodeOne" = "$trustFlavorOne"; "Domain: $trustNodeTwo" = "$trustFlavorTwo"}
## Print: Authentication Level
$trustAuthenticationLevelStatusOne = TrustPropertyAuthenticationLevel -TrustProperties $trustNodeOnes_Properties
$trustAuthenticationLevelStatusTwo = TrustPropertyAuthenticationLevel -TrustProperties $trustNodeTwos_Properties
$outputTable += [pscustomobject]@{"Attribute" = "AuthenticationLevel:"; "Domain: $trustNodeOne" = "$($trustAuthenticationLevelStatusOne.sStatus)"; "Domain: $trustNodeTwo" = "$($trustAuthenticationLevelStatusTwo.sStatus)"}
if( $IncludeReason ){
$outputTable += [pscustomobject]@{"Attribute" = "AuthenticationLevel (Reason):"; "Domain: $trustNodeOne" = "$($trustAuthenticationLevelStatusOne.sReason)"; "Domain: $trustNodeTwo" = "$($trustAuthenticationLevelStatusTwo.sReason)"}
}
## Print: Transitivity
$trustTransitivityStatusOne = TrustPropertyTransitivity -TrustProperties $trustNodeOnes_Properties -TrustFlavor $trustFlavorOne
$trustTransitivityStatusTwo = TrustPropertyTransitivity -TrustProperties $trustNodeTwos_Properties -TrustFlavor $trustFlavorTwo
$outputTable += [pscustomobject]@{"Attribute" = "Transivivity:"; "Domain: $trustNodeOne" = "$($trustTransitivityStatusOne.sStatus)"; "Domain: $trustNodeTwo" = "$($trustTransitivityStatusTwo.sStatus)"}
if( $IncludeReason ){
$outputTable += [pscustomobject]@{"Attribute" = "Transitivity (Reason):"; "Domain: $trustNodeOne" = "$($trustTransitivityStatusOne.sReason)"; "Domain: $trustNodeTwo" = "$($trustTransitivityStatusTwo.sReason)"}
}
## Print: SID Filtering
$trustSIDFilteringStatusOne = TrustPropertySIDFiltering -TrustProperties $trustNodeOnes_Properties -TrustFlavor $trustFlavorOne -TrustPartner $trustNodeTwo
$trustSIDFilteringStatusTwo = TrustPropertySIDFiltering -TrustProperties $trustNodeTwos_Properties -TrustFlavor $trustFlavorTwo -TrustPartner $trustNodeOne
$outputTable += [pscustomobject]@{"Attribute" = "SID Filtering:"; "Domain: $trustNodeOne" = "$($trustSIDFilteringStatusOne.sStatus)"; "Domain: $trustNodeTwo" = "$($trustSIDFilteringStatusTwo.sStatus)"}
if( $IncludeReason ){
$outputTable += [pscustomobject]@{"Attribute" = "SID Filtering (Reason):"; "Domain: $trustNodeOne" = "$($trustSIDFilteringStatusOne.sReason)"; "Domain: $trustNodeTwo" = "$($trustSIDFilteringStatusTwo.sReason)"}
}
## Print: TGTDelegation
$trustTGTDelegationStatusOne = TrustPropertyTGTDelegation -TrustProperties $trustNodeOnes_Properties
$trustTGTDelegationStatusTwo = TrustPropertyTGTDelegation -TrustProperties $trustNodeTwos_Properties
$outputTable += [pscustomobject]@{"Attribute" = "TGT Delegation:"; "Domain: $trustNodeOne" = "$($trustTGTDelegationStatusOne.sStatus)"; "Domain: $trustNodeTwo" = "$($trustTGTDelegationStatusTwo.sStatus)"}
if( $IncludeReason ){
$outputTable += [pscustomobject]@{"Attribute" = "TGT Delegation (Reason):"; "Domain: $trustNodeOne" = "$($trustTGTDelegationStatusOne.sReason)"; "Domain: $trustNodeTwo" = "$($trustTGTDelegationStatusTwo.sReason)"}
}
## Print: TrustFlags
$trustAttributeFlagsStrOne = TrustPropertyTrustFlagsStr -TrustProperties $trustNodeOnes_Properties
$trustAttributeFlagsStrTwo = TrustPropertyTrustFlagsStr -TrustProperties $trustNodeTwos_Properties
$outputTable += [pscustomobject]@{"Attribute" = "TrustFlags:"; "Domain: $trustNodeOne" = "$trustAttributeFlagsStrOne"; "Domain: $trustNodeTwo" = "$trustAttributeFlagsStrTwo"}
## Print: Trust Supported Encryption Types
$trustSupportedEncryptionTypesStatusOne = TrustPropertySupportedEncryptionType -TrustProperties $trustNodeOnes_Properties
$trustSupportedEncryptionTypesStatusTwo = TrustPropertySupportedEncryptionType -TrustProperties $trustNodeTwos_Properties
$outputTable += [pscustomobject]@{"Attribute" = "Supported Encryption Types:"; "Domain: $trustNodeOne" = "$($trustSupportedEncryptionTypesStatusOne.sStatus)"; "Domain: $trustNodeTwo" = "$($trustSupportedEncryptionTypesStatusTwo.sStatus)"}
if( $IncludeReason ){
$outputTable += [pscustomobject]@{"Attribute" = "Supported Encryption Types (Reason):"; "Domain: $trustNodeOne" = "$($trustSupportedEncryptionTypesStatusOne.sReason)"; "Domain: $trustNodeTwo" = "$($trustSupportedEncryptionTypesStatusTwo.sReason)"}
}
## Output as table
$outputTable | Format-Table -AutoSize
}
}
Function TrustFlavorGraphAbbr {
Param(
[TrustFlavor]
$TrustFlavor
)
Process {
switch ($TrustFlavor)
{
$([TrustFlavor]::TreeRoot) { return "TR" }
$([TrustFlavor]::ParentChild) { return "PC" }
$([TrustFlavor]::CrossLink) { return "CL" }
$([TrustFlavor]::Forest) { return "F" }
$([TrustFlavor]::External) { return "E" }
$([TrustFlavor]::Kerberos) { return "KRB" }
$([TrustFlavor]::Unknown) { return "UNKW" }
Default { return "UNKW" }
}
}
}
Function TrustRelationshipDirectedNodeStr {
Param(
[String]
$TrustNode,
[String]
$TrustPartner,
[TrustDirection]
$TrustDirection
)
Process {
## If Outbound or BiDirectional: A --> B
if( ( $TrustDirection -eq [TrustDirection]::OutBound ) -OR ( $TrustDirection -eq [TrustDirection]::BiDirectional ) ){
return "`"$($TrustNode)`" -> `"$($TrustPartner)`""
}
## Else: B -> A
else {
return "`"$($TrustPartner)`" -> `"$($TrustNode)`""
}
}
}
Function PrintGraphNotation {
Param(
[Object]
$TrustTree
)
Process {
$graphPrintHead = ""
$graphPrintBody = ""
ForEach($trustNode in $TrustTree.Keys){
## Extend graph Header
$graphPrintHead += "`t`"$($trustNode)`" [shape=box]`n"
## Add trust Relationships
ForEach( $trustPartner in $gTrustTree[$trustNode].Keys ){
$trustProperties = $gTrustTree[$trustNode][$trustPartner]
$edgeLabel = ""
## TrustDirection
$trustDirection = TrustPropertyTrustDirection -TrustProperties $trustProperties
## TrustFlavor
$trustFlavor = TrustPropertyTrustFlavor -TrustProperties $trustProperties -TrustNode $trustNode -TrustPartner $trustPartner
$trustFlavorAbbr = TrustFlavorGraphAbbr -TrustFlavor $trustFlavor
$edgeLabel += "F: $($trustFlavorAbbr)\n"
## TrustTransitvity
$trustTransitivityStatus = TrustPropertyTransitivity -TrustProperties $trustProperties -TrustFlavor $trustFlavor
if($trustTransitivityStatus.sStatus -eq "Enabled"){ $edgeLabel += "T: E\n" } else { $edgeLabel += "T: D\n" }
## TrustAuthentication
$trustAuthenticationStatus = TrustPropertyAuthenticationLevel -TrustProperties $trustProperties
if( $trustAuthenticationStatus.sStatus -eq "ForestWideAuthentication" ){ $edgeLabel += "AL: FWA\n" } else { $edgeLabel += "AL: SA\n" }
## SIDFiltering
$trustSIDFilteringStatus = TrustPropertySIDFiltering -TrustProperties $trustProperties -TrustFlavor $trustFlavor -TrustPartner $trustPartner
if( $trustSIDFilteringStatus.sStatus -eq "Enabled" ){ $edgeLabel += "SIDF: E\n" } else { $edgeLabel += "SIDF: D\n" }
## TGTDelegation
$trustTGTDelegationStatus = TrustPropertyTGTDelegation -TrustProperties $trustProperties
if( $trustTGTDelegationStatus.sStatus -eq "Enabled" ){ $edgeLabel += "TGTD: E\n" } elseif ( $trustTGTDelegationStatus.sStatus-eq "Disabled" ) { $edgeLabel += "TGTD: D\n" } else { $edgeLabel += "TGTD: UNKW\n" }
## TrustFlags
$trustFlagsStr = TrustPropertyTrustFlagsStr -TrustProperties $trustProperties
## Supported Encryption Types
$trustSupportedEncryptionTypesStatus = TrustPropertySupportedEncryptionType -TrustProperties $trustProperties
if( $trustSupportedEncryptionTypesStatus.sStatus ){
$edgeLabel += "SET: $($trustSupportedEncryptionTypesStatus.sStatus)\n"
}
$directedNodeStr = TrustRelationshipDirectedNodeStr -TrustNode $trustNode -TrustPartner $trustPartner -TrustDirection $trustDirection
$graphPrintBody += "`t$($directedNodeStr) [style=dashed, color=grey, label=`"$($edgeLabel)`"] // TrustFlags: $($trustFlagsStr)`n"
}
}
Write-Output "`ndigraph.txt --- START"
Write-Output "digraph Trusts {`n`n`tlabel=`"### Legend ###\nFlavor (F):\n-- TreeRoot (TR)\n-- ParentChild (PC)\n-- CrossLink (CL)\n-- External (E)\n-- Forest (F)\n-- Kerberos (KRB)\n-- Unknown (UNKW)\nTransitivity (T):\n-- Enabled (E)\n-- Disabled (D)\nAuthentication Level (AL):\n-- ForestWideAuthentication (FWA)\n-- SelecticeAuthentication (SA)\nSID Filtering (SIDF):\n-- Enabled (E)\n-- Disabled (D)\nTGT Delegation (TGTD):\n-- Enabled (E)\n-- Not Disabled (D)\n-- Unknown (UNKW)\nSupportedEncryptionTypes (SET)\n`"`n`tlabeljust=l`n`tlabelloc=t`n`n$($graphPrintHead)`n$($graphPrintBody)`n}"
Write-Output "digraph.txt --- END"
}
}
Function PrintTrustTree {
Param(
[Object]
$trustTreeObject
)
Process {
$printedTrustNodes = @()
ForEach($trustNode in $trustTreeObject.Keys){
$trustRelationshipTree = $gTrustTree[$trustNode]
ForEach( $trustRelationshipNode in $trustRelationshipTree.Keys ){
$nodeName_SideNode = $trustNode
$nodeName_SidePartner = $trustRelationshipNode
$trustAttributes_SideNode = $gTrustTree[$trustNode][$trustRelationshipNode]
$trustAttributes_SidePartner = $null
if( $gTrustTree.Contains( $nodeName_SidePartner ) -and ( $gTrustTree[$nodeName_SidePartner].Contains($nodeName_SideNode) ) ){
$trustAttributes_SidePartner = $gTrustTree[$nodeName_SidePartner][$nodeName_SideNode]
}
if( -Not $printedTrustNodes.Contains( $nodeName_SidePartner ) ){
## Only print trust relationship if this node has not already been printed
PrintTrustRelationship -trustNodeOne $nodeName_SideNode -trustNodeOnes_Properties $trustAttributes_SideNode -trustNodeTwo $nodeName_SidePartner -trustNodeTwos_Properties $trustAttributes_SidePartner
}
}
## Add current node to list of printed nodes
$printedTrustNodes += $nodeName_SideNode
}
}
}
Function ConvertFromDNToDCs {
Param(
[String]
$DistinguishedName
)
Process {
$DC = ''
ForEach ( $item in ($DistinguishedName.replace('\,','~').split(","))) {
switch ($item.TrimStart().Substring(0,2)) {
'DC' {$DC += $item.Replace("DC=","");$DC += '.'}
}
}
$CanonicalName = $DC.Substring(0,$DC.length - 1)
return $CanonicalName
}
}
Function ConvertFromDCToDN {
Param(
[String]
$DomainName
)
Process {
return "DC=" + $DomainName.Replace('.', ',DC=')
}
}
Function GetCNFromDN {
Param(
[String]
$DN,
[Int]
$Position
)
Process {
$splited = $DN -split ',*..='
return $splited[$Position]
}
}
Function GetNetBiosNameFromDomainName {
Param(
[String]
$DomainName
)
Process {
return $DomainName.split('.')[0]
}
}
Function GetDomainGCServer{
Param(
[String]
$Domain
)
Process {
try{
$primaryServer = (Resolve-DnsName "_gc._tcp.$Domain" -Verbose:$false -ErrorAction SilentlyContinue).PrimaryServer
if( $primaryServer ){
return $primaryServer
}
} catch {
## In case of error return $null
return $null
}
return $null
}
}
Function GetDomainLDAPServer{
Param(
[String]
$Domain
)
Process {
try{
$primaryServer = (Resolve-DnsName "_ldap._tcp.$Domain" -Verbose:$false -ErrorAction SilentlyContinue).PrimaryServer
if( $primaryServer ){
return $primaryServer
}
} catch {
## In Case of error return $null
return $null
}
return $null
}
}
Function BuildLDAPSearchRoots {
Param(
[String]
$Domain,
[Switch]
$NoGC=$false
)
Process {
$searchRoots = [Ordered]@{}
$prioNum = 0
$prots = @()
## Get GlobalCatalog Server
if($NoGC){
$domainGCSrv = $null
$prots = @("LDAP")
}else {
$domainGCSrv = GetDomainGCServer -Domain $Domain
$prots = @("GC", "LDAP")
}
## Get LDAP Server
$domainLDAPSrv = GetDomainLDAPServer -Domain $Domain
## Loop through servers
ForEach($prot in $prots){
if($domainGCSrv) {
$searchRoots.Add($prioNum, "$($prot)://$domainGCSrv")
$prioNum += 1
}
if( $domainLDAPSrv -And ($domainLDAPSrv -ne $domainGCSrv) ){
$searchRoots.Add($prioNum, "$($prot)://$domainLDAPSrv")
$prioNum += 1
}
$searchRoots.Add($prioNum, "$($prot)://$Domain")
$prioNum += 1
}
return $searchRoots
}
}
Function GetADSIAttribute {
Param(
[String]
$Domain,
[String]
$DistinguishedName,
[String]
$Property,
[Switch]
$NoGC = $false
)
Process {
$result = $false
$searchRoots = BuildLDAPSearchRoots -Domain $Domain -NoGC:$NoGC
ForEach( $searchRoot in $searchRoots.Values){
Write-Verbose "Trying to fetch $($Property): [ADSI]'$searchRoot/$($DistinguishedName)'...."
Try{
$object = ([ADSI]"$($searchRoot)/$($DistinguishedName)")
## If $Property is set to $null just return the object
if( $Property -eq [String]::Empty -And $object ){
Write-Verbose "`t...Success"
return $object
}
elseif( $object ){
$result = $object.InvokeGet($Property)
Write-Verbose "`t...Success. $($Property): $($result)"
return $result
}
}
Catch{
Write-Verbose "`t...Failed. Error: $($_.Exception.Message)"
Continue
}
}
return $result
}
}
Function CreateStatusResultObject {
Param(
[String]
$status,
[String]
$reason
)
Process {
return (New-Object PSObject -Property @{ sStatus = $status; sReason = $reason })
}
}
Function GetCurrentDomainFQDN {
return (Get-WmiObject Win32_ComputerSystem).Domain
## Another option
## return $ENV:USERDNSDOMAIN
}
Function trustAttributeObjectToString {
Param(
[Object]
$trustAttributes,
[switch]
$reason
)
Process {
$trustDirectionStr = $gTrustDirectionIDs[ $trustAttributes[$gTrustAttributeMap.TRUST_PARTNER] ]
$trustDirectionReason = ""
return "Direction: $trustDirectionStr"
}
}
Function BuildTrustAttributeObject {
Param(
[Object]
$trustPropertyObject
)
Process {
$trustAttributes = @{}
ForEach( $gAttributeName in $gTrustAttributeMap.Keys ){
$trustAttribute = $gTrustAttributeMap.$gAttributeName
$trustAttributeVal = $trustPropertyObject[$trustAttribute][0]
$trustAttributes.Add($gAttributeName, $trustAttributeVal)
}
return $trustAttributes
}
}
Function GetTrustAttributesFlags {
Param(
[Int]
$trustAttributes
)
Begin{
$trustAttributes = [Int]($trustAttributes)
}
Process {
$activeAttributes = @()
ForEach($trustAttributeFlag in [TrustAttributes].GetEnumNames()){
$trustAttributeFlagVal = [Int]([TrustAttributes]::$trustAttributeFlag.value__)
if( $trustAttributes -band [TrustAttributes]::$trustAttributeFlag.value__ ){
$activeAttributes += $trustAttributeFlag
}
}
return $activeAttributes
}
}
Function GetTrustAuthenticationLevel {
Param(
[Int]
$trustAttributes
)
Begin{
$trustAttributes = [Int]($trustAttributes)
}
Process {
$statusStr = ""
$reasonStr = ""
## Check if trust is withint forest
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_WITHIN_FOREST.value__ ){
$statusStr = "ForestWideAuthentication"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_WITHIN_FOREST)"
}
elseif( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION.value__ ){
$statusStr = "SelectiveAuthentication"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION)"
}
## Check if trust is marked as transitive, e.g. being a Forest-Trust
elseif( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_FOREST_TRANSITIVE ){
$statusStr = "ForestWideAuthentication"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_FOREST_TRANSITIVE)"
}
else {
$statusStr = "DomainWideAuthentication"
$reasonStr = "missing trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION)"
}
$resultObj = CreateStatusResultObject -status $statusStr -reason $reasonStr
return $resultObj
}
}
Function GetTrustFlavor {
Param(
[String]
$requestingNodeName,
[String]
$requestedNodeName,
[Int]
$trustTypeID,
[Int]
$trustAttributes
)
Process {
if( $trustTypeID -eq [TrustTypeID]::MIT.value__ ){
return [TrustFlavor]::Kerberos
}
elseif ( $trustTypeID -eq [TrustTypeID]::TRUST_TYPE_DCE.value__ ){
return [TrustFlavor]::Unknown # "DCE (Historical, not used anymore)"
}
else {
## Check if partners are in the same forest
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_WITHIN_FOREST.value__ ){
## Partners are in the same forest
## Get TrustParent of RequestingNode
$netBiosNameRequestingNode = GetNetBiosNameFromDomainName -DomainName $requestingNodeName
$dnRootRequestingNode = GetADSIAttribute -Domain $requestingNodeName -DistinguishedName "RootDSE" -Property "rootDomainNamingContext"
if( $dnRootRequestingNode ){
$trustParentRequestingNode = GetADSIAttribute -Domain $requestingNodeName -DistinguishedName "CN=$netBiosNameRequestingNode,CN=Partitions,CN=Configuration,$dnRootRequestingNode" -Property "trustParent" -NoGC
$trustParentCNRequestingNode = GetCNFromDN -DN $trustParentRequestingNode -Position 1
}
## Get TrustParent of RequestedNode
$netBiosNameRequestedNode = GetNetBiosNameFromDomainName -DomainName $requestedNodeName
$dnRootRequestedNode = GetADSIAttribute -Domain $requestedNodeName -DistinguishedName "RootDSE" -Property "rootDomainNamingContext"
if($dnRootRequestedNode){
$trustParentRequestedNode = GetADSIAttribute -Domain $requestedNodeName -DistinguishedName "CN=$netBiosNameRequestedNode,CN=Partitions,CN=Configuration,$dnRootRequestedNode" -Property "trustParent" -NoGC
$trustParentCNRequestedNode = GetCNFromDN -DN $trustParentRequestedNode -Position 1
}
## if rootDomains could not be found ...
if(
(-NOT $dnRootRequestingNode) -OR
(-NOT $dnRootRequestedNode)
){
## ...make decision based on domain names
if(
( $requestingNodeName.toLower().Contains(($requestedNodeName).toLower()) ) -OR
( $requestedNodeName.toLower().Contains(($requestingNodeName).toLower()) )
) {
return [TrustFlavor]::ParentChild
} else {
Write-Verbose "The Trust flavor for the trust between 'requestingNodeName' and 'requestedNodeName' could not be determined as rootDomain could not be found."
return [TrustFlavor]::Unknown
}
}
### Check if ParentChild Relationship
if(
($trustParentCNRequestingNode -eq $netBiosNameRequestedNode) -OR
($trustParentCNRequestedNode -eq $netBiosNameRequestingNode )
){
return [TrustFlavor]::ParentChild
}
else {
## Partners are in the same forest, but not ParentChild
if($dnRootRequestingNode -And $dnRootRequestedNode ){
return [TrustFlavor]::CrossLink
}else {
return [TrustFlavor]::TreeRoot
}
}
}else {
## Partners not in the same forest
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_FOREST_TRANSITIVE ){
return [TrustFlavor]::Forest
}else {
return [TrustFlavor]::External
}
}
## Fallback
return [TrustFlavor]::Unknown
}
}
}
Function GetTrustTGTDelegationStatus {
Param(
[Int]
$trustAttributes
)
Begin{
$trustAttributes = [Int]($trustAttributes)
}
Process {
## As per[MS-KILE] section 3.3.5.7.5
$statusStr = "Unknown"
$reasonStr = "Unknown"
if ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION_NO_TGT_DELEGATION.value__ ) {
$statusStr = "Disabled"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION_NO_TGT_DELEGATION)"
}
elseif ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN.value__ ) {
$statusStr = "Disabled"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
elseif ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION_ENABLE_TGT_DELEGATION.value__ ) {
$statusStr = "Enabled"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_CROSS_ORGANIZATION_ENABLE_TGT_DELEGATION)"
}
elseif ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_WITHIN_FOREST.value__ ) {
$statusStr = "Enabled"
$reasonStr = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_WITHIN_FOREST)"
}
$resultObj = CreateStatusResultObject -status $statusStr -reason $reasonStr
return $resultObj
}
}
Function GetTrustSIDFilteringStatus {
Param(
[Int]
$trustAttributes,
[TrustFlavor]
$trustFlavor,
[String]
$trustedDomain
)
Begin{
$trustAttributes = [Int]($trustAttributes)
}
Process {
$SIDFilteringStatus = "Unknown"
$reason = "Unknown"
## Trust within a Forest
if( ( $trustFlavor -eq [TrustFlavor]::ParentChild ) -or ( $trustFlavor -eq [TrustFlavor]::CrossLink ) -or ( $trustFlavor -eq [TrustFlavor]::TreeRoot ) ){
### Quarantined Trust
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN.value__ ){
$SIDFilteringStatus = "Enabled (Only SIDs from $trustedDomain are allowed)"
$reason = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
### Default ParentChild/Shortcut/TreeRoot Trust
else {
$SIDFilteringStatus = "Disabled (Only specific¹ SIDs are filtered)"
$reason = "missing trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
}
## Forest Trust
elseif( $trustFlavor -eq [TrustFlavor]::Forest ){
### Quarantined Forest Trusts
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN.value__ ){
$SIDFilteringStatus = "Enabled (Only SIDs from $trustedDomain are allowed)"
$reason = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
### PIM Forest Trust
elseif ( ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_PIM_TRUST.value__ ) -and ($trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL.value__) ) {
$SIDFilteringStatus = "Disabled (Only specific¹ SIDs are filtered)"
$reason = "missing trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
### Treated As External Forest Trust
elseif ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL.value__ ) {
$SIDFilteringStatus = "Disabled (Only specific¹ SIDs are filtered)"
$reason = "missing trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
### Forest Trust Without any Flags
elseif ( $trustAttributes -eq 0x0 ) {
$SIDFilteringStatus = "Disabled (Only specific¹ SIDs are filtered)"
$reason = "missing trustAttribute flags"
$asterixIncluded = $true
}
### Default Forest Trust
else {
$SIDFilteringStatus = "Enabled (Only SIDs from the forest of $trustedDomain are allowed)"
$reason = "default Forest Trust behaviour"
}
}
## External Trust
elseif( $trustFlavor -eq [TrustFlavor]::External ){
### Quarantined Forest Trusts
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN.value__ ){
$SIDFilteringStatus = "Enabled (Only SIDs from $trustedDomain are allowed)"
$reason = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
### Treated As External Trust
elseif ( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL.value__ ) {
$SIDFilteringStatus = "Disabled (Only specific¹ SIDs are filtered)"
$reason = "missing trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)"
}
### External Trust Without any Flags
elseif ( $trustAttributes -eq 0x0 ) {
$SIDFilteringStatus = "Disabled (Only specific¹ SIDs are filtered)"
$reason = "missing trustAttribute flags"
}
}
elseif( $trustFlavor -eq [TrustFlavor]::Unknown ){
$SIDFilteringStatus = "Unknown"
$reason = "TrustFlavor is Unknown"
}
else {
$SIDFilteringStatus = "Unknown ($($trustFlavor) not yet implemented)"
$reason= "$($trustFlavor) not yet implemented"
}
$resultObj = CreateStatusResultObject -status $SIDFilteringStatus -reason $reason
return $resultObj
}
}
Function GetTrustTransitivtyStatus {
Param(
[Int]
$trustAttributes,
[TrustFlavor]
$trustFlavor
)
Process{
$sStatus = ""
$sReason = ""
## If TRUST_ATTRIBUTE_NON_TRANSITIVE
if( $trustAttributes -band [TrustAttributes]::TRUST_ATTRIBUTE_NON_TRANSITIVE.value__ ){
$sStatus = "Disabled"
$sReason = "trustAttribute flag $([TrustAttributes]::TRUST_ATTRIBUTE_NON_TRANSITIVE)"
}else {
## Transitivity Enabled by default for relationships within a forest boundary
if( ($trustFlavor -eq [TrustFlavor]::ParentChild ) -or ( $trustFlavor -eq [TrustFlavor]::CrossLink ) -or ( $trustFlavor -eq [TrustFlavor]::TreeRoot ) ){
$sStatus = "Enabled"
$sReason = "by default enabled for trusts within a forest."
}
## Trust relationship across forest boundaries
else {