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ADTimeline.ps1
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ADTimeline.ps1
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# Active directory timeline generated with replication metadata
# Leonard SAVINA - ANSSI\SDO\DR\INM - CERT-FR
# Issues and PR welcome https://github.com/ANSSI-FR/ADTimeline
# Use paramater server if running offline mode or GC is not found
# Use parameter customgroups to retrieve replication metadata from specific groups.
# customgroups argument can be a string with multiple group comma separated (no space)
# PS>./ADTimeline -customgroups "VIP-group1,ESX-Admins,Tier1-admins"
# customgroups can also be an array, in case you import the list from a file (one group per line)
# PS>$customgroups = get-content customgroups.txt
# PS>./ADTimeline -customgroups $customgroups
Param (
[parameter(Mandatory=$false)][string]$server = $null,
[parameter(Mandatory=$false)]$customgroups = $null
)
if($customgroups)
{
if(($customgroups.gettype()).FullName -eq "System.String")
{
$groupscustom = $customgroups.split(",")
write-output -inputobject "---- Custom groups argument is a string ----"
}
elseif(($customgroups.gettype()).FullName -eq "System.Object[]")
{
$groupscustom = $customgroups
"---- Custom groups argument is an array ----"
}
else
{
write-output -inputobject "---- Wrong argument object type ----"
Exit $WRONG_ARG_TYPE
}
}
# You can also directly uncomment and edit the below $customgroups variable if you do not want to set an argument
# Example of custom groups variable
# $groupscustom = ("VIP-group1","ESX-Admins","Tier1-admins")
# Set Variables for error handling
Set-Variable -name ERR_BAD_OS_VERSION -option Constant -value 1
Set-Variable -name ERR_NO_AD_MODULE -option Constant -value 2
Set-Variable -name ERR_NO_GC_FOUND -option Constant -value 3
Set-Variable -name ERR_GC_BIND_FAILED -option Constant -value 4
Set-Variable -name WRONG_ARG_TYPE -option Constant -value 5
# AD Timeline is supported on Windows 6.1 +
if([Environment]::OSVersion.version -lt (new-object 'Version' 6,1))
{
write-output -inputobject "---- Script must be launched on a Windows 6.1 + computer ----"
Exit $ERR_BAD_OS_VERSION
}
# Check AD Psh module
If(-not(Get-Module -name activedirectory -listavailable))
{
write-output -inputobject "---- Script must be launched on a computer with Active Directory PowerShell module installed ----"
Exit $ERR_NO_AD_MODULE
}
Else
{import-module activedirectory}
# Check Global Catalog
$GCsinmysite = $null
if(-not($server))
{
$mySite = (nltest /dsgetsite 2>$null)[0]
$ADroot = $(get-adDomain).DNSroot
$GCsinmysite = get-ADDomainController -Filter {(IsGlobalCatalog -eq $true) -and (Site -eq $mySite) -and (Domain -eq $ADroot) -and (Enabled -eq $true)}
if($GCsinmysite)
{ $server = ($GCsinmysite | select-object -first 1).Hostname }
Else
{
write-output -inputobject "---- No Global Catalog found in current AD site, please run the script and specify a Global Catalog name with the server argument ----"
Exit $ERR_NO_GC_FOUND
}
}
$error.clear()
# LDAP root information, to retrieve partitions paths
$root = Get-ADRootDSE -server $server
if($error)
{
write-output -inputobject "---- Retrieving AD root on $($server) failed ----"
Exit $ERR_GC_BIND_FAILED
}
# Check if script is running offline or online and set GC port
if([string]$server.contains(":") -eq $true)
{
$gcport = [int]::parse($server.split(":")[1]) + 2
$gc = $server.split(":")[0] + ":" + $gcport
$isonline = $false
}
else {
$error.clear()
$dntstroot = [void]([adsi]"LDAP://$server").distinguishedName
[void][adsi]"GC://$server/$dntstroot"
if($error)
{
write-output -inputobject "---- DC is not Global Catalog, please provide a GC with the server argument ----"
Exit $ERR_NO_GC_FOUND
}
Else
{
$gc = $server + ':3268'
$isonline = $true
}
}
write-output -inputobject "---- Running script on: $($server) ----"
write-output -inputobject "---- Collecting AD objects ----"
# TimeStamp formating for log file
function Get-TimeStamp
{
return "{0:yyyy-MM-dd} {0:HH:mm:ss}" -f (get-date)
}
"$(Get-TimeStamp) Starting script on $($server)" | out-file log-adexport.log
if($isonline -eq $true)
{
"$(Get-TimeStamp) Script running in online mode" | out-file log-adexport.log
}
else
{
"$(Get-TimeStamp) Script running in offline mode" | out-file log-adexport.log
}
# Function adapted from https://www.petri.com/expanding-active-directory-searcher-powershell Added SID processing
Function Convert-ADSearchResult
{
[cmdletbinding()]
Param(
[Parameter(Position = 0,Mandatory = $true,ValueFromPipeline = $true)]
[ValidateNotNullorEmpty()]
[System.DirectoryServices.SearchResult]$SearchResult
)
Begin {
Write-Verbose "Starting $($MyInvocation.MyCommand)"
}
Process {
Write-Verbose "Processing result for $($searchResult.Path)"
#create an ordered hashtable with property names alphabetized
$props = $SearchResult.Properties.PropertyNames | Sort-Object
$objHash = @{}
foreach ($p in $props)
{
if(($p -eq "objectSID") -or ($p -eq "SIDHistory"))
{
$value = @()
$binaryvalue = $searchresult.Properties.item($p)
foreach($SID in $binaryvalue)
{
$value += (New-Object System.Security.Principal.SecurityIdentifier($SID,0)).value
}
}
else
{
$value = $searchresult.Properties.item($p)
}
if ($value.count -eq 1)
{$value = $value[0]}
$objHash.add($p,$value)
}
new-object psobject -property $objHash
}
End
{
Write-Verbose "Ending $($MyInvocation.MyCommand)"
}
}
# Initializing PowerShell objects in order to store results from LDAP queries
$criticalobjects = @()
$gcobjects = @()
#Getting root domain information
$dom = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope Base -Server $server -Filter * -properties *
#If operation times out a different ResultPageSize is used
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$dom = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.defaultNamingContext) -SearchScope Base -Server $server -Filter * -properties *
$i++
}
if($dom){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $dom
if($error)
{ "$(Get-TimeStamp) Error while retrieving domain root information $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
#Get current domain SID and PDCe, will be used later
$domSID = $dom.ObjectSID.value
$PDCe = (($dom.fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")
"$(Get-TimeStamp) Domain root information retrieved" | out-file log-adexport.log -append
"$(Get-TimeStamp) Domain DistinguishedName is: $($dom.distinguishedName) " | out-file log-adexport.log -append
"$(Get-TimeStamp) Domain SID is: $($domSID)" | out-file log-adexport.log -append
#Getting accounts having an ACE on domain root
$accountsACEondomain = ($dom.ntsecuritydescriptor).getaccessrules($true , $true , [System.Security.Principal.SecurityIdentifier]) | Where-Object {$_.IdentityReference -like "S-1-5-21-*"} | group-object -property IdentityReference
if($error)
{ "$(Get-TimeStamp) Error while retrieving accounts having an ACE on domain $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
$usrcount = 0
foreach($accountACE in $accountsACEondomain)
{
$userACE = Get-ADObject -Filter {ObjectSID -eq $accountACE.Name} -Server $server -properties *
if($error)
{ "$(Get-TimeStamp) Error while getting object SID $($accountACE.Name) with error $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
$criticalobjects += $userACE
if(($userACE.ObjectClass -eq "user") -or ($userACE.ObjectClass -eq "inetOrgPerson"))
{$usrcount++}
}
}
}
if($usrcount -ge 1)
{
"$(Get-TimeStamp) Number of user accounts having an ACE on domain root $($usrcount)" | out-file log-adexport.log -append
}
}
#Getting root of the configuration partition
$rootconf = Get-ADObject -SearchBase ($root.ConfigurationNamingContext) -SearchScope Base -Server $server -Filter * -properties *
#If operation times out a different ResultPageSize is used
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$rootconf = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.ConfigurationNamingContext) -SearchScope Base -Server $server -Filter * -properties *
$i++
}
if($rootconf){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $rootconf
if($error)
{ "$(Get-TimeStamp) Error while retrieving root of the configuration partition $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Root of the configuration partition retrieved" | out-file log-adexport.log -append
}
#Getting root of the schema partition
$rootschema = Get-ADObject -SearchBase ($root.SchemaNamingContext) -SearchScope Base -Server $server -Filter * -properties *
#If operation times out a different ResultPageSize is used
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$rootschema = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.SchemaNamingContext) -SearchScope Base -Server $server -Filter * -properties *
$i++
}
if($rootschema){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $rootschema
if($error)
{ "$(Get-TimeStamp) Error while retrieving root of the schema partition $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
$SchemaMaster = (($rootschema.fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")
"$(Get-TimeStamp) Root of the schema partition retrieved" | out-file log-adexport.log -append
"$(Get-TimeStamp) Schema version is $($rootschema.objectVersion)" | out-file log-adexport.log -append
}
#Check if current user is DA or EA when online mode running
if($isonline -eq $true)
{
$mygrps = whoami /groups /fo csv | ConvertFrom-Csv
$Dasid = $domsid + "-512"
$isda = $mygrps | where-object{($_.SID -eq $Dasid) -or ($_.SID -like "*-519")}
if($isda)
{
"$(Get-TimeStamp) Current user is domain admin or enterprise admin" | out-file log-adexport.log -append
}
else
{
write-output -inputobject "Script not running as domain or enterprise admin, some objects might be missing"
"$(Get-TimeStamp) Script not running as domain or enterprise admin, some objects might be missing" | out-file log-adexport.log -append
}
}
#Retrieving objects located directly under the root domain, except Organizational Units
$dom1 = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope OneLevel -Server $server -filter {ObjectClass -ne "organizationalUnit"} -properties *
#If operation times out a different ResultPageSize is used
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$dom1 = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope OneLevel -Server $server -filter {ObjectClass -ne "organizationalUnit"} -properties *
$i++
}
if($dom1){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $dom1
$countdom1 = ($dom1 | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving objects directly under domain root $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of objects directly under domain root, OU excluded: $($countdom1)" | out-file log-adexport.log -append
$inframaster = ((($dom1 | where-object{($_.Name -eq "Infrastructure") -and ($_.ObjectClass -eq "infrastructureUpdate")}).fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")
}
#Objects protected by the SDProp process (AdminSDHolder ACL, Admincount=1)
$SDPropObjects = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope SubTree -filter {AdminCount -eq 1} -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$SDPropObjects = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.defaultNamingContext) -SearchScope SubTree -filter {AdminCount -eq 1} -Server $server -properties *
$i++
}
if($SDPropObjects){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $SDPropObjects
$countSDPROP = ($SDPropObjects | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving objects protected by the SDProp process $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of objects protected by the SDProp process: $($countSDPROP)" | out-file log-adexport.log -append}
#Grabing "Pre Windows 2000 Compatibility access group", not recursive...
$pre2000SID = "S-1-5-32-554"
$pre2000grp = Get-ADObject -filter {ObjectSID -eq $pre2000SID} -Server $server -properties *
if($error)
{ "$(Get-TimeStamp) Error while retrieving Pre Windows 2000 Compatibility access group $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
if($pre2000grp)
{
$criticalobjects += $pre2000grp
$countpre2000grp = ($pre2000grp | measure-object).count
if($countpre2000grp -eq 1)
{
if($pre2000grp.member -eq ('CN=S-1-1-0,CN=ForeignSecurityPrincipals,'+ $root.defaultNamingContext))
{ "$(Get-TimeStamp) Member of Pre Windows 2000 Compatibility access group is Everyone" | out-file log-adexport.log -append}
Elseif($pre2000grp.member -eq ('CN=S-1-5-11,CN=ForeignSecurityPrincipals,'+ $root.defaultNamingContext))
{ "$(Get-TimeStamp) Member of Pre Windows 2000 Compatibility access group is Authenticated users" | out-file log-adexport.log -append}
Elseif($pre2000grp.member -eq ('CN=S-1-5-7,CN=ForeignSecurityPrincipals,'+ $root.defaultNamingContext))
{ "$(Get-TimeStamp) Member of Pre Windows 2000 Compatibility access group is Anonymous logon" | out-file log-adexport.log -append}
else
{ "$(Get-TimeStamp) Member of Pre Windows 2000 Compatibility access group is $($pre2000grp.member)" | out-file log-adexport.log -append}
}
else
{"$(Get-TimeStamp) Number of Pre Windows 2000 Compatibility access group members: $($countpre2000grp)" | out-file log-adexport.log -append}
}
}
#Grabing the DNSAdmin groups and its members well knwon SID is S-1-5-21-<Domain>-1102
$dndnsadminSID = $domSID + "-1102"
$dnsadmin = Get-ADObject -filter {ObjectSID -eq $dndnsadminSID} -Server $server -properties *
#Group might not exist if DNS role not installed
if($dnsadmin)
{
$criticalobjects += $dnsadmin
if($isonline -eq $true)
{
#Get recursive membership
$dnsadminsmembers = (Get-ADGroupMember -recursive $dnsadmin -server $server | foreach-object{get-adobject $_ -server $server -properties *})
#Get groups till level 2 is reached if groups are nested.
if($dnsadminsmembers)
{
$criticalobjects += $dnsadminsmembers
$nestedgrp = @()
$level1 = Get-ADGroupMember $dnsadmin -server $server | where-object{$_.objectclass -eq "Group"} | select-object distinguishedName
if($level1)
{
$nestedgrp += $level1
$nestedgrp += $level1 | foreach-object{Get-ADGroupMember $_.DistinguishedName -server $server | where-object{$_.objectclass -eq "Group"} | select-object distinguishedName}
$criticalobjects += ($nestedgrp | foreach-object{get-adobject $_.DistinguishedName -server $server -properties *})
}
}
}
else
{
#Cannot use recursive membership cmdlet in offline mode, get direct members only
$dnsadminsmembers = ($dnsadmin | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *})
$criticalobjects += $dnsadminsmembers
#Get groups till level 2 is reached if groups are nested.
$continue = $dnsadminsmembers | where-object{$_.ObjectClass -eq "Group"}
if($continue)
{foreach($grp in $continue){$dnsadmingrpcn2 = $grp | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *};$criticalobjects += $dnsadmingrpcn2}}
}
$countdnsadminsmembers = ($dnsadminsmembers | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving DNSADmins group members $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of DNSAdmins group members: $($countdnsadminsmembers)" | out-file log-adexport.log -append}
}
#Grabing Group Policy Creators owners, using SID because name depends on the installation language
$gpoownersSID = $domSID + "-520"
$gpoowners = Get-ADObject -filter {ObjectSID -eq $gpoownersSID} -Server $server -properties *
$criticalobjects += $gpoowners
if($isonline -eq $true)
{
#Get recursive membership
$gpoownersmembers = (Get-ADGroupMember -recursive $gpoowners -server $server | foreach-object{get-adobject $_ -server $server -properties *})
#Get groups till level 2 is reached if groups are nested.
if($gpoownersmembers)
{
$criticalobjects += $gpoownersmembers
$nestedgrp = @()
$level1 = Get-ADGroupMember $gpoowners -server $server | where-object{$_.objectclass -eq "Group"} | select-object distinguishedName
if($level1)
{
$nestedgrp += $level1
$nestedgrp += $level1 | foreach-object{Get-ADGroupMember $_.DistinguishedName -server $server | where-object{$_.objectclass -eq "Group"} | select-object distinguishedName}
$criticalobjects += ($nestedgrp | foreach-object{get-adobject $_.DistinguishedName -server $server -properties *})
}
}
}
else
{
#Cannot use recursive membership cmdlet in offline mode, get direct members only
$gpoownersmembers = ($gpoowners | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *})
$criticalobjects += $gpoownersmembers
#Get groups till level 2 is reached if groups are nested.
$continue = $gpoownersmembers | where-object{$_.ObjectClass -eq "Group"}
if($continue)
{foreach($grp in $continue){$gpoownersgrpcn2 = $grp | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *};$criticalobjects += $gpoownersgrpcn2}}
}
$countgpoownersmembers = ($gpoownersmembers | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving GPO owners group members $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of GPO creators ownners group members: $($countgpoownersmembers)" | out-file log-adexport.log -append}
#Grabing Cert publishers, using SID because name depends on the installation language
$certpublishersSID = $domSID + "-517"
$certpublishers = Get-ADObject -filter {ObjectSID -eq $certpublishersSID} -Server $server -properties *
$criticalobjects += $certpublishers
if($isonline -eq $true)
{
#Get recursive membership
$certpublishersmembers = (Get-ADGroupMember -recursive $certpublishers -server $server | foreach-object{get-adobject $_ -server $server -properties *})
#Get groups till level 2 is reached if groups are nested.
if($certpublishersmembers)
{
$criticalobjects += $certpublishersmembers
$nestedgrp = @()
$level1 = Get-ADGroupMember $certpublishers -server $server | where-object{$_.objectclass -eq "Group"} | select-object distinguishedName
if($level1)
{
$nestedgrp += $level1
$nestedgrp += $level1 | foreach-object{Get-ADGroupMember $_.DistinguishedName -server $server | where-object{$_.objectclass -eq "Group"} | select-object distinguishedName}
$criticalobjects += ($nestedgrp | foreach-object{get-adobject $_.DistinguishedName -server $server -properties *})
}
}
}
else
{
#Cannot use recursive membership cmdlet in offline mode, get direct members only
$certpublishersmembers = ($certpublishers | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *})
$criticalobjects += $certpublishersmembers
#Get groups till level 2 is reached if groups are nested.
$continue = $certpublishersmembers | where-object{$_.ObjectClass -eq "Group"}
if($continue)
{foreach($grp in $continue){$certpublishersgrpcn2 = $grp | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *};$criticalobjects += $certpublishersgrpcn2}}
}
$countcertpublishersmembers = ($certpublishersmembers | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving Cert publishers group members $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of Cert publishers group members: $($countcertpublishersmembers)" | out-file log-adexport.log -append}
#Retrieving deleted Group Policy Objects
$DeleteBase = "CN=Deleted Objects," + $root.defaultNamingContext
$deletedgpo = Get-ADObject -searchbase $DeleteBase -filter {(IsDeleted -eq $true) -and (ObjectClass -eq "groupPolicyContainer")} -IncludeDeletedObjects -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$deletedgpo = Get-ADObject -ResultPageSize $resultspagesize -searchbase $DeleteBase -filter {(IsDeleted -eq $true) -and (ObjectClass -eq "groupPolicyContainer")} -IncludeDeletedObjects -Server $server -properties *
$i++
}
if($deletedgpo){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $deletedgpo
$countdeletedgpo = ($deletedgpo | measure-object).count
if($error)
{ "$(Get-TimeStamp) Erreur while retrieving deleted GPOs $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of deleted (tombstoned) GPOs: $($countdeletedgpo)" | out-file log-adexport.log -append}
#Retrieving Deleted (tombstoned) users, NTSecurityDescriptor porperty is excluded because with a large number of tombstoned users it can take a large amount of RAM. This property is not relevant for analysis if object is in the "Deleted Objects" container.
$deletedusers = Get-ADObject -searchbase $DeleteBase -filter {(IsDeleted -eq $true) -and ((ObjectClass -eq "User") -or (ObjectClass -eq "InetOrgPerson"))} -IncludeDeletedObjects -Server $server -properties CanonicalName, CN, Deleted, Description, DisplayName, DistinguishedName, instanceType, isDeleted, isRecycled, LastKnownParent, Modified, modifyTimeStamp, Name, ObjectCategory, ObjectClass, ObjectGUID, objectSid, ProtectedFromAccidentalDeletion, sAMAccountName, sDRightsEffective, userAccountControl, uSNChanged, uSNCreated, whenChanged, whenCreated
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$deletedusers = Get-ADObject -ResultPageSize $resultspagesize -searchbase $DeleteBase -filter {(IsDeleted -eq $true) -and ((ObjectClass -eq "User") -or (ObjectClass -eq "InetOrgPerson"))} -IncludeDeletedObjects -Server $server -properties CanonicalName, CN, Deleted, Description, DisplayName, DistinguishedName, instanceType, isDeleted, isRecycled, LastKnownParent, Modified, modifyTimeStamp, Name, ObjectCategory, ObjectClass, ObjectGUID, objectSid, ProtectedFromAccidentalDeletion, sAMAccountName, sDRightsEffective, userAccountControl, uSNChanged, uSNCreated, whenChanged, whenCreated
$i++
}
if($deletedusers){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$countdeletedusers = ($deletedusers | measure-object).count
if($countdeletedusers -ge 3000)
{
#If number of deleted objects is larger than 3000, metadata retrieval might take a while. As a consequence we sort them by creation date and take only the last 3000 created accounts.
$criticalobjects += $deletedusers | where-object{$_.WhenCreated -ne $null} | Sort-Object -Property whencreated -Descending | select-object -first 3000
"$(Get-TimeStamp) Number of deleted (tombstoned) user objects is $($countdeletedusers), because it is larger than 3000 only last 3000 newly created accounts will be retrieved" | out-file log-adexport.log -append
}
else
{
$criticalobjects += $deletedusers
"$(Get-TimeStamp) Number of deleted (tombstoned) user objects: $($countdeletedusers)" | out-file log-adexport.log -append
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving deleted (tombstoned) user objects $($error)" | out-file log-adexport.log -append ; $error.clear() }
#Retrieving deleted objects located in configuration partition, msExchActiveSyncDevice objectclass is excluded as it can generate some noise
$deleteconf = Get-ADObject -searchbase $root.configurationNamingContext -filter {(IsDeleted -eq $true) -and (ObjectClass -ne "msExchActiveSyncDevice")} -IncludeDeletedObjects -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$deleteconf = Get-ADObject -ResultPageSize $resultspagesize -searchbase $root.configurationNamingContext -filter {(IsDeleted -eq $true) -and (ObjectClass -ne "msExchActiveSyncDevice")} -IncludeDeletedObjects -Server $server -properties *
$i++
}
if($deleteconf){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $deleteconf
$countdeleteconf = ($deleteconf | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving deleted (tombstoned) objects located in configuration partition $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of deleted (tombstoned) objects located in configuration partition: $($countdeleteconf)" | out-file log-adexport.log -append}
#Retrieving classSchema objects (defaultSecurityDescriptor backdoor)
$Classesschema = Get-ADObject -searchbase $root.schemaNamingContext -Filter {ObjectClass -eq "classSchema"} -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$Classesschema = Get-ADObject -ResultPageSize $resultspagesize -searchbase $root.schemaNamingContext -Filter {ObjectClass -eq "classSchema"} -Server $server -properties *
$i++
}
if($Classesschema){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $Classesschema
$countClassesschema = ($Classesschema | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving classSchema objects $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of classSchema objects: $($countClassesschema)" | out-file log-adexport.log -append}
#Retrieving server and ntdsdsa class objects located in the configuration partition (Domain Controllers)
$dcrepls = Get-ADObject -searchbase $root.configurationNamingContext -filter {(ObjectClass -eq 'Server') -or (ObjectClass -eq 'nTDSDSA')} -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$dcrepls = Get-ADObject -ResultPageSize $resultspagesize -searchbase $root.configurationNamingContext -filter {(ObjectClass -eq 'Server') -or (ObjectClass -eq 'nTDSDSA')} -Server $server -properties *
$i++
}
if($dcrepls){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $dcrepls
$countdcrepls = ($dcrepls | measure-object).count
$countserverd = ($deleteconf | where-object{$_.ObjectClass -eq 'Server'} | measure-object).count
$countnTDSDSAd = ($deleteconf | where-object{$_.ObjectClass -eq 'nTDSDSA'} | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving server and ntdsdsa class objects located in the configuration partition and in the tombstone $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Number of server and ntdsdsa class objects located in the configuration partition: $($countdcrepls)" | out-file log-adexport.log -append
if(($countnTDSDSAd -ge 1) -or ($countserverd -ge 1))
{"$(Get-TimeStamp) Domain Controller demotion or use of DCShadow: $($countserverd) deleted server objects and $($countnTDSDSAd) deleted nTDSDSA objects located in the tombstone" | out-file log-adexport.log -append}
}
#Domain controller computer objects (existing en deleted)
$OUDCs = "OU=Domain Controllers," + $root.defaultNamingContext
#Existing Domain controllers in current domain
$DCpresents = Get-ADObject -searchbase $OUDCs -filter {(ObjectClass -eq 'Computer') -and ((PrimaryGroupID -eq 521) -or (PrimaryGroupID -eq 516))} -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$DCpresents = Get-ADObject -ResultPageSize $resultspagesize -searchbase $OUDCs -filter {(ObjectClass -eq 'Computer') -and ((PrimaryGroupID -eq 521) -or (PrimaryGroupID -eq 516))} -Server $server -properties *
$i++
}
if($DCpresents){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving existing domain controllers in current domain $($error)" | out-file log-adexport.log -append ; $error.clear() }
$countDCpresents = ($DCpresents | measure-object).count
$criticalobjects += $DCpresents
# Deleted domain controllers in current domain (tombstoned)
$DCeffaces = Get-ADObject -searchbase $DeleteBase -filter {(IsDeleted -eq $true) -and (LastKnownParent -eq $OUDCs) -and (ObjectClass -eq 'Computer')} -IncludeDeletedObjects -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$DCeffaces = Get-ADObject -ResultPageSize $resultspagesize -searchbase $DeleteBase -filter {(IsDeleted -eq $true) -and (LastKnownParent -eq $OUDCs) -and (ObjectClass -eq 'Computer')} -IncludeDeletedObjects -Server $server -properties *
$i++
}
if($DCeffaces){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving deleted domain controllers in current domain $($error)" | out-file log-adexport.log -append ; $error.clear() }
$countDCeffaces = ($DCeffaces| measure-object).count
$criticalobjects += $DCeffaces
# Retrieving existing domain controllers outside current domain and inside the current forest
$ComputerCategory = "CN=Computer," + $root.SchemaNamingContext
$search = new-object System.DirectoryServices.DirectorySearcher
$search.pagesize = 256
$search.filter = "(&(ObjectCategory=$($ComputerCategory))(|(PrimaryGroupID=521)(PrimaryGroupID=516)))"
$search.searchroot = [ADSI]"GC://$($gc)"
$allDCs = $search.findall() | Convert-ADSearchResult
$otherDCs = $allDCs | where-object{$_.DistinguishedName -notlike "*$($OUDCs)"}
$countallDCs = ($allDCs | measure-object).count
$gcobjects += $otherDCs
if($error)
{ "$(Get-TimeStamp) Error while retrieving domain controllers in the current forest via GC $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Total number of existing domain controllers computer objects in the current forest: $($countallDCs)" | out-file log-adexport.log -append
"$(Get-TimeStamp) Total number of existing domain controllers computer objects in the current domain: $($countDCpresents)" | out-file log-adexport.log -append
"$(Get-TimeStamp) Total number of deleted domain controllers computer objects in the current domain: $($countDCeffaces)" | out-file log-adexport.log -append
}
#Objects with kerberos delagation configured
$delegkrb = Get-ADObject -filter {(UserAccountControl -BAND 0x0080000) -OR (UserAccountControl -BAND 0x1000000) -OR (msDS-AllowedToDelegateTo -like "*") -OR (msDS-AllowedToActOnBehalfOfOtherIdentity -like "*")} -Server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$delegkrb = Get-ADObject -ResultPageSize $resultspagesize -filter {(UserAccountControl -BAND 0x0080000) -OR (UserAccountControl -BAND 0x1000000) -OR (msDS-AllowedToDelegateTo -like "*") -OR (msDS-AllowedToActOnBehalfOfOtherIdentity -like "*")} -Server $server -properties *
$i++
}
if($delegkrb){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$countdelegkrb = ($delegkrb | measure-object).count
$delegkrbnoconstrained = $delegkrb | where-object{($_.UserAccountControl -BAND 0x0080000)}
$countdelegkrbnoconstrained = ($delegkrbnoconstrained | measure-object).count
$criticalobjects += $delegkrb
if($error)
{ "$(Get-TimeStamp) Error while retrieving objects trusted for Kerberos delegation: $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Number of objects kerberos delegation setup: $($countdelegkrb) " | out-file log-adexport.log -append
"$(Get-TimeStamp) Number of objects with Kerberos unconstrained delegation configured: $($countdelegkrbnoconstrained) - $($countDCpresents) of them are domain controllers" | out-file log-adexport.log -append
}
#Directory Service Information object
$DSInfo = "CN=Directory Service,CN=Windows NT,CN=Services," + $root.configurationNamingContext
$criticalobjects += Get-ADObject $DSInfo -Server $server -properties *
if($error)
{ "$(Get-TimeStamp) Error while retrieving Directory Service Information object information $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Directory Service Information object retrieved in the configuration partition " | out-file log-adexport.log -append
}
#Getting all existing and deleted DNS Zones
$DNSZones = $root.namingcontexts | where-object{$_ -like "*DnsZones,*"} | foreach-object{get-adobject -searchbase $_ -Filter {ObjectClass -eq 'DNSZone'} -includedeletedobjects -properties * -server $server}
$criticalobjects += $DNSZones
$countDNSZones = ($DNSZones | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving DNS zones $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of existing and deleted DNS zones: $($countDNSZones)" | out-file log-adexport.log -append}
#Group Policy Objects, trusts, DPAPI secrets, AdminSDHolder, domainPolicy, RIDManager under the System container
$sysroot = "CN=System," + ($root.defaultNamingContext)
$sysobjects = get-adobject -searchbase $sysroot -SearchScope SubTree -Filter {(ObjectClass -eq "groupPolicyContainer") -or (ObjectClass -eq "trustedDomain") -or (ObjectClass -eq "rIDManager") -or (ObjectClass -eq "secret") -or (ObjectClass -eq "domainPolicy") -or (Name -eq "AdminSDHolder")} -server $server -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$sysobjects = Get-ADObject -ResultPageSize $resultspagesize -searchbase $sysroot -SearchScope SubTree -Filter {(ObjectClass -eq "groupPolicyContainer") -or (ObjectClass -eq "trustedDomain") -or (ObjectClass -eq "rIDManager") -or (ObjectClass -eq "secret") -or (ObjectClass -eq "domainPolicy") -or (Name -eq "AdminSDHolder")} -server $server -properties *
$i++
}
if($sysobjects){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $sysobjects
$countsysobjects = ($sysobjects | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving objects under the system container $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {
$ridmanager = ((($sysobjects | where-object{$_.ObjectClass -eq "rIDManager"}).fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")
"$(Get-TimeStamp) Number of objects of interest under the system container (GPOs, domain trusts, DPAPI secrets, AdminSDHolder and domainPolicy): $($countsysobjects)" | out-file log-adexport.log -append
}
#Loop through domain trusts and return their state
$trusts = $sysobjects | where-object{$_.ObjectClass -eq "trustedDomain"}
if($trusts)
{
$counttrusts = ($trusts | measure-object).count
"$(Get-TimeStamp) Number of domain trusts: $($counttrusts)" | out-file log-adexport.log -append
foreach($trust in $trusts)
{
$sidfilt = "enabled"
if(([int32]$trust.trustattributes -band 0x00000004) -eq 0)
{
$sidfilt = "disabled"
}
if(([int32]$trust.trustattributes -band 0x00000008) -eq 8)
{
$type = "inter-forest"
}
if(([int32]$trust.trustattributes -band 0x00000032) -eq 32)
{
$type = "forest internal"
}
if(([int32]$trust.trustattributes -band 0x00000016) -eq 16)
{
$type = "cross org trust with selective authentication"
}
if(([int32]$trust.trustdirection) -eq 3)
{
$dir = "both directions"
}
if(([int32]$trust.trustdirection) -eq 2)
{
$dir = "outgoing"
}
if(([int32]$trust.trustdirection) -eq 1)
{
$dir = "incoming"
}
if(([int32]$trust.trustdirection) -eq 0)
{
$dir = "disabled"
}
"$(Get-TimeStamp) The domain trust with $($trust.name) is $($type) and $($dir) , SID filtering is $($sidfilt)" | out-file log-adexport.log -append
}
}
else
{ "$(Get-TimeStamp) No domain trusts to process" | out-file log-adexport.log -append }
if($error)
{ "$(Get-TimeStamp) Error while retrieving domain trusts $($error)" | out-file log-adexport.log -append ; $error.clear() }
# Get all domain trusts of each domain in the forest through global catalog
$ContSys = "CN=System," + $root.defaultNamingContext
$TrustCat = "CN=Trusted-Domain," + $root.SchemaNamingContext
$search = new-object System.DirectoryServices.DirectorySearcher
$search.searchroot = [ADSI]"GC://$($gc)"
$search.pagesize = 256
$search.filter = "(ObjectCategory=$($TrustCat))"
$allTrustsquery = $search.findall()
if($allTrustsquery)
{
$allTrusts = $allTrustsquery | Convert-ADSearchResult
$otherTrusts = $allTrusts | where-object{$_.DistinguishedName -notlike "*$($ContSys)"}
$countallTrusts = ($allTrusts | group-object -property TrustPartner | measure-object).count
$gcobjects += $otherTrusts
if($error)
{ "$(Get-TimeStamp) Error while retrieving domain trusts of each domain in the forest through GC $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of trust partners in the forest: $($countallTrusts)" | out-file log-adexport.log -append}
}
# Get all domain roots in the forest through global catalog
$DomainCat = "CN=Domain-DNS," + $root.SchemaNamingContext
$search = new-object System.DirectoryServices.DirectorySearcher
$search.searchroot = [ADSI]"GC://$($gc)"
$search.pagesize = 256
$search.filter = "(ObjectCategory=$($DomainCat))"
$alldomains = $search.findall() | Convert-ADSearchResult
$otherdomains = $alldomains | where-object{$_.DistinguishedName -ne $root.DefaultNamingContext}
$gcobjects += $otherdomains
$countallDomains = ($alldomains | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving forest domain roots through GC $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of domain roots located in the forest: $($countallDomains)" | out-file log-adexport.log -append}
# Processing SID History accounts
# Get all accounts with SIDHistory present in the forest, limit properties loaded (DN,SID,SIDHistory) for performance
$search = new-object System.DirectoryServices.DirectorySearcher
$search.filter = "(SIDHistory=*)"
$search.pagesize = 256
$search.searchroot = [ADSI]"GC://$($gc)"
$search.PropertiesToLoad.Addrange(('DistinguishedName','SIDHistory','objectSID'))
$allSIDHistory = $search.findall() | Convert-ADSearchResult
$countSIDHistory = ($allSIDHistory | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving accounts with SID History through GC $($error)" | out-file log-adexport.log -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of accounts with SIDHistory in the forest: $($countSIDHistory)" | out-file log-adexport.log -append}
#Get accounts in the current domain with a suspicious SIDHistory: Meaning with a SIDHistory of its own domain or a well known SID with high privileges
$CurrDomainSIDHistory = $allSIDHistory | where-object {($_.objectSID -like "$domSID*") -and (($_.SIDHistory -like "*$domSID*") -or ($_.SIDHistory -like "*-500") -or ($_.SIDHistory -eq "S-1-5-32-548") -or ($_.SIDHistory -eq "S-1-5-32-544") -or ($_.SIDHistory -eq "S-1-5-32-551") -or ($_.SIDHistory -like "*-512") -or ($_.SIDHistory -like "*-516") -or ($_.SIDHistory -like "*-519") -or ($_.SIDHistory -eq "S-1-5-32-550") -or ($_.SIDHistory -like "*-498") -or ($_.SIDHistory -like "*-518") -or ($_.SIDHistory -eq "S-1-5-32-549"))}
if($CurrDomainSIDHistory)
{
$NbCurrDomainSIDHistory = ($CurrDomainSIDHistory | measure-object).count
"$(Get-TimeStamp) Number of accounts with a suspicious SIDHistory in the current domain: $($NbCurrDomainSIDHistory)" | out-file log-adexport.log -append
foreach($objSIDH in $CurrDomainSIDHistory)
{
$criticalobjects += get-adobject $objSIDH.DistinguishedName -Server $server -properties *
if($error){ "$(Get-TimeStamp) Error while retrieving accounts with a suspicious SIDHistory in the current domain $($error)" | out-file log-adexport.log -append ; $error.clear() }
}
}
# Get accounts in other domains than the current one within the forest which have an SIDHistory belonging to the current domain.
$OtherDomainSIDHistory = $allSIDHistory | where-object {($_.objectSID -notlike "$domSID*") -and ($_.SIDHistory -like "*$domSID*")}
if($OtherDomainSIDHistory)
{
# Get SIDs of accounts protected by SDProp in the current domain (i.e. privileged accounts)
$sensibeSID = ($SDPropObjects | where-object{$_.objectSID -like "$domSID*"} | select-object -expandproperty objectSID).value
$DangerOtherDomainSIDHistory = @()
$NbOtherDomainSIDHistory = ($OtherDomainSIDHistory | measure-object).count
$search = new-object System.DirectoryServices.DirectorySearcher
$search.searchroot = [ADSI]"GC://$($gc)"
"$(Get-TimeStamp) Number of accounts in other domains within the forest which have an SIDHistory belonging to the current domain $($NbOtherDomainSIDHistory)" | out-file log-adexport.log -append
# Foreach account in other domains within the forest which have an SIDHistory belonging to the current domain we compare its SIDHistory with SIDs of accounts protected in the current domain by SDProp. If there is a match that could be suspicious.
foreach($objSIDH in $OtherDomainSIDHistory)
{
foreach($SIDH in $objSIDH.SIDHistory)
{
if($sensibeSID.contains($SIDH))
{
$search.filter = "(DistinguishedName=$($objSIDH.DistinguishedName))"
$DangerOtherDomainSIDHistory += $search.findone() | Convert-ADSearchResult
}
}
if($error){ "$(Get-TimeStamp) Error while retrieving accounts in other domains within the forest which have an SIDHistory belonging to the current domain $($error)" | out-file log-adexport.log -append ; $error.clear() }
}
if($DangerOtherDomainSIDHistory)
{
$nbDangerOtherDomainSIDHistory = ($DangerOtherDomainSIDHistory | measure-object).count
"$(Get-TimeStamp) Number of accounts in the forest with a suspicious SIDHistory value matching the current domain: $($nbDangerOtherDomainSIDHistory)" | out-file log-adexport.log -append
$gcobjects += $DangerOtherDomainSIDHistory
}
}
#Fetch Organizational Units Objects, do not load all poperties for performance issues
$objOUs = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope SubTree -Filter {ObjectClass -eq "organizationalUnit"} -Server $server
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$objOUs = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.defaultNamingContext) -SearchScope SubTree -Filter {ObjectClass -eq "organizationalUnit"} -Server $server
$i++
}
if($objOUs){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving OUs $($error)" | out-file log-adexport.log -append ; $error.clear() }
else
{
$countobjOUs = ($objOUs | measure-object).count
#If there is more than 1000 OUs we take only the level 1 + level 2 OUs and load all properties
if($countobjOUs -ge 1000)
{
"$(Get-TimeStamp) Total number of OUs: $($countobjOUs), only level 1 and 2 OUs will be processed" | out-file log-adexport.log -append
$OULevel1 = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope OneLevel -Server $server -filter {ObjectClass -eq "organizationalUnit"} -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$resultspagesize = 256 - $i * 40
$error.clear()
$OULevel1 = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.defaultNamingContext) -SearchScope OneLevel -Server $server -filter {ObjectClass -eq "organizationalUnit"} -properties *
$i++
}
if($OULevel1){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$totalOU = ($OULevel1 | measure-object).count
$criticalobjects += $OULevel1
if($error)
{ "$(Get-TimeStamp) Error while retrieving level 1 OUs $($error)" | out-file log-adexport.log -append ; $error.clear() }
foreach($OU in $OULevel1)
{
$OULevel2 = Get-ADObject -SearchBase ($OU.DistinguishedName) -SearchScope OneLevel -Server $server -filter {ObjectClass -eq "organizationalUnit"} -properties *
if(($error -like '*timeout*') -or ($error -like '*invalid enumeration context*'))
{
$i = 1
while((($error -like '*timeout*') -or ($error -like '*invalid enumeration context*')) -and ($i -le 5))
{
$resultspagesize = 256 - $i * 40
write-output -inputobject "LDAP time out, trying again with ResultPageSize $($resultspagesize)"
$error.clear()
$OULevel2 = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($OU.DistinguishedName) -SearchScope OneLevel -Server $server -filter {ObjectClass -eq "organizationalUnit"} -properties *
$i++
}
if($OULevel2){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$totalOU = $totalOU + ($OULevel2 | measure-object).count
$criticalobjects += $OULevel2
if($error)