/
ADTimeline.ps1
executable file
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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 $customgroups
# Use parameter nofwdSMTP in a large MSExchange organization context with forwarders massively used.
# PS>./ADTimeline -nofwdSMTPaltRecipient
Param (
[parameter(Mandatory=$false)][string]$server = $null,
[parameter(Mandatory=$false)]$customgroups = $null,
[parameter(Mandatory=$false)][switch]$nofwdSMTP
)
if($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 logfile.log
if($isonline -eq $true)
{
"$(Get-TimeStamp) Script running in online mode" | out-file logfile.log -append
}
else
{
"$(Get-TimeStamp) Script running in offline mode" | out-file logfile.log -append
}
# Getting folder fully qualifed name length to compute MAX_PATH
$maxfilenamelen = 0
$folderlen = ((get-item .\logfile.log).directoryName).length
$maxfilenamelen = 256 - $folderlen + 2
# 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 logfile.log -append ; $error.clear() }
else
{
#Get current domain SID and PDCe, will be used later
$domSID = $dom.ObjectSID.value
$PDCe = ((($dom.fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")).replace("CN=Sites,","CN=Sites")
"$(Get-TimeStamp) Domain root information retrieved" | out-file logfile.log -append
"$(Get-TimeStamp) Domain DistinguishedName is: $($dom.distinguishedName) " | out-file logfile.log -append
"$(Get-TimeStamp) Domain SID is: $($domSID)" | out-file logfile.log -append
$domainfqdn = (($dom.distinguishedName).replace("DC=","")).replace(",",".")
#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 logfile.log -append ; $error.clear() }
else
{
$usrcount = 0
$ismsol = $false
$userACE = $null
foreach($accountACE in $accountsACEondomain)
{#If SID is from current domain launch LDAP query, otherwise try GC
if($accountACE.Name -like "$domSID*")
{
$userACE = Get-ADObject -Filter {ObjectSID -eq $accountACE.Name} -Server $server -properties *
if($userACE){$criticalobjects += $userACE}
}
else
{
$search = new-object System.DirectoryServices.DirectorySearcher
$search.searchroot = [ADSI]"GC://$($gc)"
$search.filter = "(ObjectSID=$($accountACE.Name))"
$userACE = $search.findone() | Convert-ADSearchResult
if($userACE){$gcobjects += $userACE}
}
if($error)
{ "$(Get-TimeStamp) Error while getting object SID $($accountACE.Name) with error $($error)" | out-file logfile.log -append ; $error.clear() }
else
{#Check if objectclass is user, if yes check if name matches AADConnect account
if(($userACE.ObjectClass -eq "user") -or ($userACE.ObjectClass -eq "inetOrgPerson"))
{$usrcount++
if($userACE.SamAccountName -like "MSOL_*")
{$ismsol = $true}
}
}
}
}
"$(Get-TimeStamp) Number of user accounts having an ACE on domain root: $($usrcount)" | out-file logfile.log -append
if($ismsol)
{"$(Get-TimeStamp) Account starting with MSOL having an ACE on domain root, Default Azure AD connect installation might be setup" | out-file logfile.log -append}
}
#Renaming log file and setting filenames for result files
if($domainfqdn)
{
if($domainfqdn.length -ge $maxfilenamelen)
{
$logfilename = "logfile_" + $domainfqdn.substring(0,$maxfilenamelen) + ".log"
$timelinefilename = "timeline_" + $domainfqdn.substring(0,$maxfilenamelen) + ".csv"
$adobjectsfilename = "ADobjects_" + $domainfqdn.substring(0,$maxfilenamelen) + ".xml"
$gcADobjectsfilename = "gcADobjects_" + $domainfqdn.substring(0,$maxfilenamelen) + ".xml"
}
else {
$logfilename = "logfile_" + $domainfqdn + ".log"
$timelinefilename = "timeline_" + $domainfqdn + ".csv"
$adobjectsfilename = "ADobjects_" + $domainfqdn + ".xml"
$gcADobjectsfilename = "gcADobjects_" + $domainfqdn + ".xml"
}
if(test-path($logfilename)){remove-item $logfilename -force -confirm:$false}
Rename-item ".\logfile.log" $logfilename -force -confirm:$false
New-Item -ItemType File -Name $timelinefilename -force -confirm:$false | Out-Null
New-Item -ItemType File -Name $adobjectsfilename -force -confirm:$false | Out-Null
New-Item -ItemType File -Name $gcADobjectsfilename -force -confirm:$false | Out-Null
if($error)
{ "$(Get-TimeStamp) Error while setting setting filenames for output files with error $($error)" | out-file logfile.log -append
$error.clear()
$logfilename = "logfile.log"
$timelinefilename = "timeline.csv"
$adobjectsfilename = "ADobjects.xml"
$gcADobjectsfilename = "gcADobjects.xml"
}
}
else
{
$logfilename = "logfile.log"
$timelinefilename = "timeline.csv"
$adobjectsfilename = "ADobjects.xml"
$gcADobjectsfilename = "gcADobjects.xml"
}
#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 $logfilename -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Root of the configuration partition retrieved" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else
{
$SchemaMaster = ((($rootschema.fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")).replace("CN=Sites,","CN=Sites")
"$(Get-TimeStamp) Root of the schema partition retrieved" | out-file $logfilename -append
"$(Get-TimeStamp) Schema version is $($rootschema.objectVersion)" | out-file $logfilename -append
}
#Check if current user is DA or EA when online mode running
if($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 $logfilename -append
}
else
{
write-output -inputobject "Script not running as domain or enterprise admin, some objects might be missing"
"$(Get-TimeStamp) Script not running as domain or enterprise admin, some objects might be missing" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of objects directly under domain root, OU excluded: $($countdom1)" | out-file $logfilename -append
$inframaster = (((($dom1 | where-object{($_.Name -eq "Infrastructure") -and ($_.ObjectClass -eq "infrastructureUpdate")}).fsmoRoleOwner).replace($root.configurationNamingContext,"")).replace("CN=NTDS Settings,","")).replace("CN=Sites,","CN=Sites")
}
#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 $logfilename -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of objects protected by the SDProp process: $($countSDPROP)" | out-file $logfilename -append}
#Objects with mail forwarders (msExchGenericForwardingAddress, altRecipient)
if(-not($nofwdSMTP))
{
$ForwardedObjects = Get-ADObject -SearchBase ($root.defaultNamingContext) -SearchScope SubTree -filter {(msExchGenericForwardingAddress -like "*") -or (altRecipient -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()
$ForwardedObjects = Get-ADObject -ResultPageSize $resultspagesize -SearchBase ($root.defaultNamingContext) -SearchScope SubTree -filter {(msExchGenericForwardingAddress -like "*") -or (altRecipient -like "*")} -Server $server -properties *
$i++
}
if($ForwardedObjects){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $ForwardedObjects
$countForwardedObjects = ($ForwardedObjects | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving objects with forwarders $($error)" | out-file $logfilename -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of objects with forwaders: $($countForwardedObjects)" | out-file $logfilename -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 $logfilename -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 $logfilename -append}
Elseif($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 $logfilename -append}
Elseif($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 $logfilename -append}
else
{ "$(Get-TimeStamp) Member of Pre Windows 2000 Compatibility access group is $($pre2000grp.member)" | out-file $logfilename -append}
}
else
{"$(Get-TimeStamp) Number of Pre Windows 2000 Compatibility access group members: $($countpre2000grp)" | out-file $logfilename -append}
}
}
#Grabing Guest Account
$guestaccsid = $domSID + "-501"
$guestacc = Get-ADObject -filter {ObjectSID -eq $guestaccsid} -Server $server -properties *
if($error)
{ "$(Get-TimeStamp) Error while retrieving Guest account $($error)" | out-file $logfilename -append ; $error.clear() }
else
{
if($guestacc)
{
$criticalobjects += $guestacc
if(($guestacc.UserAccountControl -band 2) -eq 2)
{
"$(Get-TimeStamp) Guest account is disabled" | out-file $logfilename -append
}
else
{
"$(Get-TimeStamp) Guest account is enabled!" | out-file $logfilename -append
}
}
}
#Grabing the DNSAdmin groups and its members well knwon SID is S-1-5-21-<Domain>-1101
$dndnsadminSID = $domSID + "-1101"
$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 $logfilename -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of DNSAdmins group members: $($countdnsadminsmembers)" | out-file $logfilename -append}
}
#Grabing the DNSUpdateProxy groups and its members well knwon SID is S-1-5-21-<Domain>-1102
$DNSUpdateProxySID = $domSID + "-1102"
$DNSUpdateProxy = Get-ADObject -filter {ObjectSID -eq $DNSUpdateProxySID} -Server $server -properties *
#Group might not exist if DNS role not installed
if($DNSUpdateProxy)
{
$criticalobjects += $DNSUpdateProxy
if($isonline -eq $true)
{
#Get recursive membership
$DNSUpdateProxymembers = (Get-ADGroupMember -recursive $DNSUpdateProxy -server $server | foreach-object{get-adobject $_ -server $server -properties *})
#Get groups till level 2 is reached if groups are nested.
if($DNSUpdateProxymembers)
{
$criticalobjects += $DNSUpdateProxymembers
$nestedgrp = @()
$level1 = Get-ADGroupMember $DNSUpdateProxy -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
$DNSUpdateProxymembers = ($DNSUpdateProxy | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *})
$criticalobjects += $DNSUpdateProxymembers
#Get groups till level 2 is reached if groups are nested.
$continue = $DNSUpdateProxymembers | where-object{$_.ObjectClass -eq "Group"}
if($continue)
{foreach($grp in $continue){$dnsadmingrpcn2 = $grp | select-object -expandproperty member | foreach-object{get-adobject $_ -server $server -properties *};$criticalobjects += $dnsadmingrpcn2}}
}
$countDNSUpdateProxymembers = ($DNSUpdateProxymembers | measure-object).count
if($error)
{ "$(Get-TimeStamp) Error while retrieving DNSUpdateProxy group members $($error)" | out-file $logfilename -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of DNSUpdateProxy group members: $($countDNSUpdateProxymembers)" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of GPO creators ownners group members: $($countgpoownersmembers)" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else
{"$(Get-TimeStamp) Number of Cert publishers group members: $($countcertpublishersmembers)" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of deleted (tombstoned) GPOs: $($countdeletedgpo)" | out-file $logfilename -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 $logfilename -append
}
else
{
$criticalobjects += $deletedusers
"$(Get-TimeStamp) Number of deleted (tombstoned) user objects: $($countdeletedusers)" | out-file $logfilename -append
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving deleted (tombstoned) user objects $($error)" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of deleted (tombstoned) objects located in configuration partition: $($countdeleteconf)" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else {"$(Get-TimeStamp) Number of classSchema objects: $($countClassesschema)" | out-file $logfilename -append}
#Retrieving Service Connection Point class objects of interest located in the domain partition
#SCP Objectclass/categories of interest mSSMSManagementPoint = SCCM, Service-Administration-Point holds binding information for connecting to a service to administer it, intellimirrorSCP contains configuration information for the service that responds to Remote Boot clients that request attention from a Remote Install Server.
$SAdminPointCat = "CN=Service-Administration-Point," + $root.SchemaNamingContext
$scpsdomain1 = Get-ADObject -searchbase $root.defaultNamingContext -Filter {(objectclass -eq "mSSMSManagementPoint") -or (ObjectCategory -eq $SAdminPointCat) -or (objectclass -eq "intellimirrorSCP")} -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()
$scpsdomain1 = Get-ADObject -ResultPageSize $resultspagesize -searchbase $root.defaultNamingContext -Filter {(objectclass -eq "mSSMSManagementPoint") -or (ObjectCategory -eq $SAdminPointCat) -or (objectclass -eq "intellimirrorSCP")} -Server $server -properties *
$i++
}
if($scpsdomain1){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
$criticalobjects += $scpsdomain1
$countscpsdomain1 = ($scpsdomain1 | measure-object).count
#SCP serviceClassName of interest
$scpsdomain2 = Get-ADObject -searchbase $root.defaultNamingContext -Filter {(objectclass -eq "serviceConnectionPoint") -and (serviceClassName -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()
$scpsdomain2 = Get-ADObject -ResultPageSize $resultspagesize -searchbase $root.defaultNamingContext -Filter {(objectclass -eq "serviceConnectionPoint") -and (serviceClassName -like "*")} -Server $server -properties *
$i++
}
if($scpsdomain2){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
#Known list of relevant serviceClassName ldap = ADLDS, Vcenter..., TSGateway = RDS Gateway, BEMainService = BackupExec server, Groupwise = Novell Groupwise
$knowrelevantscpsdomain2 = $scpsdomain2 | where-object{($_.serviceClassName -eq "ldap") -or ($_.serviceClassName -eq "TSGateway") -or ($_.serviceClassName -eq "BEMainService") -or ($_.serviceClassName -eq "groupwise")}
$criticalobjects += $knowrelevantscpsdomain2
$countscpsdomain2 = ($knowrelevantscpsdomain2 | measure-object).count
#Get serviceClassName with few occurences outisde known list to discover new intersting serviceClassName.
$remainingscpsdomain2 = $scpsdomain2 | where-object{($_.serviceClassName -ne "ldap") -and ($_.serviceClassName -ne "TSGateway") -and ($_.serviceClassName -ne "BEMainService") -and ($_.serviceClassName -ne "groupwise")}
if($remainingscpsdomain2)
{
$rarescp = $remainingscpsdomain2 | Group-Object -Property serviceClassName | where-object{($_.count -le 3)}
if($rarescp)
{
foreach($rareserviceclassname in $rarescp)
{
$rarescptoadd = $remainingscpsdomain2 | Where-Object{$_.serviceClassName -eq $rareserviceclassname.Name}
$countscpsdomain2 = $countscpsdomain2 + $rareserviceclassname.count
$criticalobjects += $rarescptoadd
}
}
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving Service Connection Point class objects of interest located in the domain partition $($error)" | out-file $logfilename -append ; $error.clear() }
else {$countscpsdomain = $countscpsdomain1 + $countscpsdomain2; "$(Get-TimeStamp) Number of Service Connection Point class objects of interest located in the domain partition: $($countscpsdomain)" | out-file $logfilename -append}
#Retrieving Service Connection Point class objects located in the configuration partition
$countallscps = 0
$scps = Get-ADObject -searchbase $root.configurationNamingContext -filter {ObjectClass -eq 'ServiceConnectionPoint'} -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()
$scps = Get-ADObject -ResultPageSize $resultspagesize -searchbase $root.configurationNamingContext -filter {ObjectClass -eq 'ServiceConnectionPoint'} -Server $server -properties *
$i++
}
if($scps){write-output -inputobject "LDAP query succeeded with different ResultPageSize"}
else{write-output -inputobject "LDAP query failure despite different ResultPageSize, resuming script"}
}
#Might be read rights issues, trying GC
if($error -like '*Directory object not found*')
{
$search = new-object System.DirectoryServices.DirectorySearcher
$search.pagesize = 256
$scpCategory = "CN=Service-Connection-Point," + $root.SchemaNamingContext
$search.filter = "((ObjectCategory=$($scpCategory)))"
$search.searchroot = [ADSI]"GC://$($gc)"
$scpquery = $search.findall()
$scpsgc = $scpquery | where-object{$_.properties.distinguishedname -like "*CN=Services,CN=Configuration*"} | Convert-ADSearchResult
if($scpsgc){
$error.clear()
$countallscps = ($scpsgc | measure-object).count
$gcobjects += $scpsgc
}
}
if($scps){
$criticalobjects += $scps
$countallscps = ($scps | measure-object).count
}
if($error)
{ "$(Get-TimeStamp) Error while retrieving Service Connection Point objects located in the configuration partition $($error)" | out-file $logfilename -append ; $error.clear() }
else
{ if($scps){"$(Get-TimeStamp) Number of Service Connection Point objects located in the configuration partition retrieved via LDAP: $($countallscps)" | out-file $logfilename -append}
elseif($scpsgc){"$(Get-TimeStamp) Number of Service Connection Point objects located in the configuration partition retrieved via GC: $($countallscps)" | out-file $logfilename -append}
else{"$(Get-TimeStamp) Number of Service Connection Point objects located in the configuration partition: $($countallscps)" | out-file $logfilename -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 $logfilename -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Number of server and ntdsdsa class objects located in the configuration partition: $($countdcrepls)" | out-file $logfilename -append
if(($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 $logfilename -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 $logfilename -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 $logfilename -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 $logfilename -append ; $error.clear() }
else
{
"$(Get-TimeStamp) Total number of existing domain controllers computer objects in the current forest: $($countallDCs)" | out-file $logfilename -append
"$(Get-TimeStamp) Total number of existing domain controllers computer objects in the current domain: $($countDCpresents)" | out-file $logfilename -append
"$(Get-TimeStamp) Total number of deleted domain controllers computer objects in the current domain: $($countDCeffaces)" | out-file $logfilename -append
}
#Objects with kerberos delegation 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