/
Invoke-ScriptSentry.ps1
1604 lines (1435 loc) · 68.2 KB
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Invoke-ScriptSentry.ps1
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<#
.SYNOPSIS
ScriptSentry finds misconfigured and dangerous logon scripts.
.DESCRIPTION
ScriptSentry searches the NETLOGON share & Group Policy to
1) identify plaintext credentials in logon scripts
2) identify admins that have logon script set
3) identify scripts and shares that may have dangerous permissions
.EXAMPLE
Invoke-ScriptSentry
.EXAMPLE
Invoke-ScriptSentry | Out-File c:\temp\ScriptSentry.txt
.EXAMPLE
Invoke-ScriptSentry -SaveOutput $true
#>
[CmdletBinding()]
Param(
[boolean]$SaveOutput = $false
)
function Get-ForestDomains {
[CmdletBinding()]
param()
$forest = [System.DirectoryServices.ActiveDirectory.Forest]::GetCurrentForest()
$forest.Domains
}
function Get-Domain {
[OutputType([System.DirectoryServices.ActiveDirectory.Domain])]
[CmdletBinding()]
Param(
[Parameter(Position = 0, ValueFromPipeline = $True)]
[ValidateNotNullOrEmpty()]
[String]
$Domain,
[Management.Automation.PSCredential]
[Management.Automation.CredentialAttribute()]
$Credential = [Management.Automation.PSCredential]::Empty
)
PROCESS {
if ($PSBoundParameters['Credential']) {
Write-Verbose '[Get-Domain] Using alternate credentials for Get-Domain'
if ($PSBoundParameters['Domain']) {
$TargetDomain = $Domain
}
else {
# if no domain is supplied, extract the logon domain from the PSCredential passed
$TargetDomain = $Credential.GetNetworkCredential().Domain
Write-Verbose "[Get-Domain] Extracted domain '$TargetDomain' from -Credential"
}
$DomainContext = New-Object System.DirectoryServices.ActiveDirectory.DirectoryContext('Domain', $TargetDomain, $Credential.UserName, $Credential.GetNetworkCredential().Password)
try {
[System.DirectoryServices.ActiveDirectory.Domain]::GetDomain($DomainContext)
}
catch {
Write-Verbose "[Get-Domain] The specified domain '$TargetDomain' does not exist, could not be contacted, there isn't an existing trust, or the specified credentials are invalid: $_"
}
}
elseif ($PSBoundParameters['Domain']) {
$DomainContext = New-Object System.DirectoryServices.ActiveDirectory.DirectoryContext('Domain', $Domain)
try {
[System.DirectoryServices.ActiveDirectory.Domain]::GetDomain($DomainContext)
}
catch {
Write-Verbose "[Get-Domain] The specified domain '$Domain' does not exist, could not be contacted, or there isn't an existing trust : $_"
}
}
else {
try {
[System.DirectoryServices.ActiveDirectory.Domain]::GetCurrentDomain()
}
catch {
Write-Verbose "[Get-Domain] Error retrieving the current domain: $_"
}
}
}
}
function Get-DomainSearcher {
[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSShouldProcess', '')]
[OutputType('System.DirectoryServices.DirectorySearcher')]
[CmdletBinding()]
Param(
[Parameter(ValueFromPipeline = $True)]
[ValidateNotNullOrEmpty()]
[String]
$Domain,
[ValidateNotNullOrEmpty()]
[Alias('Filter')]
[String]
$LDAPFilter,
[ValidateNotNullOrEmpty()]
[String[]]
$Properties,
[ValidateNotNullOrEmpty()]
[Alias('ADSPath')]
[String]
$SearchBase,
[ValidateNotNullOrEmpty()]
[String]
$SearchBasePrefix,
[ValidateNotNullOrEmpty()]
[Alias('DomainController')]
[String]
$Server,
[ValidateSet('Base', 'OneLevel', 'Subtree')]
[String]
$SearchScope = 'Subtree',
[ValidateRange(1, 10000)]
[Int]
$ResultPageSize = 200,
[ValidateRange(1, 10000)]
[Int]
$ServerTimeLimit = 120,
[ValidateSet('Dacl', 'Group', 'None', 'Owner', 'Sacl')]
[String]
$SecurityMasks,
[Switch]
$Tombstone,
[Management.Automation.PSCredential]
[Management.Automation.CredentialAttribute()]
$Credential = [Management.Automation.PSCredential]::Empty
)
PROCESS {
if ($PSBoundParameters['Domain']) {
$TargetDomain = $Domain
if ($ENV:USERDNSDOMAIN -and ($ENV:USERDNSDOMAIN.Trim() -ne '')) {
# see if we can grab the user DNS logon domain from environment variables
$UserDomain = $ENV:USERDNSDOMAIN
if ($ENV:LOGONSERVER -and ($ENV:LOGONSERVER.Trim() -ne '') -and $UserDomain) {
$BindServer = "$($ENV:LOGONSERVER -replace '\\','').$UserDomain"
}
}
}
elseif ($PSBoundParameters['Credential']) {
# if not -Domain is specified, but -Credential is, try to retrieve the current domain name with Get-Domain
$DomainObject = Get-Domain -Credential $Credential
$BindServer = ($DomainObject.PdcRoleOwner).Name
$TargetDomain = $DomainObject.Name
}
elseif ($ENV:USERDNSDOMAIN -and ($ENV:USERDNSDOMAIN.Trim() -ne '')) {
# see if we can grab the user DNS logon domain from environment variables
$TargetDomain = $ENV:USERDNSDOMAIN
if ($ENV:LOGONSERVER -and ($ENV:LOGONSERVER.Trim() -ne '') -and $TargetDomain) {
$BindServer = "$($ENV:LOGONSERVER -replace '\\','').$TargetDomain"
}
}
else {
# otherwise, resort to Get-Domain to retrieve the current domain object
write-verbose "get-domain"
$DomainObject = Get-Domain
$BindServer = ($DomainObject.PdcRoleOwner).Name
$TargetDomain = $DomainObject.Name
}
if ($PSBoundParameters['Server']) {
# if there's not a specified server to bind to, try to pull a logon server from ENV variables
$BindServer = $Server
}
$SearchString = 'LDAP://'
if ($BindServer -and ($BindServer.Trim() -ne '')) {
$SearchString += $BindServer
if ($TargetDomain) {
$SearchString += '/'
}
}
if ($PSBoundParameters['SearchBasePrefix']) {
$SearchString += $SearchBasePrefix + ','
}
if ($PSBoundParameters['SearchBase']) {
if ($SearchBase -Match '^GC://') {
# if we're searching the global catalog, get the path in the right format
$DN = $SearchBase.ToUpper().Trim('/')
$SearchString = ''
}
else {
if ($SearchBase -match '^LDAP://') {
if ($SearchBase -match "LDAP://.+/.+") {
$SearchString = ''
$DN = $SearchBase
}
else {
$DN = $SearchBase.SubString(7)
}
}
else {
$DN = $SearchBase
}
}
}
else {
# transform the target domain name into a distinguishedName if an ADS search base is not specified
if ($TargetDomain -and ($TargetDomain.Trim() -ne '')) {
$DN = "DC=$($TargetDomain.Replace('.', ',DC='))"
}
}
$SearchString += $DN
Write-Verbose "[Get-DomainSearcher] search base: $SearchString"
if ($Credential -ne [Management.Automation.PSCredential]::Empty) {
Write-Verbose "[Get-DomainSearcher] Using alternate credentials for LDAP connection"
# bind to the inital search object using alternate credentials
$DomainObject = New-Object DirectoryServices.DirectoryEntry($SearchString, $Credential.UserName, $Credential.GetNetworkCredential().Password)
$Searcher = New-Object System.DirectoryServices.DirectorySearcher($DomainObject)
}
else {
# bind to the inital object using the current credentials
$Searcher = New-Object System.DirectoryServices.DirectorySearcher([ADSI]$SearchString)
}
$Searcher.PageSize = $ResultPageSize
$Searcher.SearchScope = $SearchScope
$Searcher.CacheResults = $False
$Searcher.ReferralChasing = [System.DirectoryServices.ReferralChasingOption]::All
if ($PSBoundParameters['ServerTimeLimit']) {
$Searcher.ServerTimeLimit = $ServerTimeLimit
}
if ($PSBoundParameters['Tombstone']) {
$Searcher.Tombstone = $True
}
if ($PSBoundParameters['LDAPFilter']) {
$Searcher.filter = $LDAPFilter
}
if ($PSBoundParameters['SecurityMasks']) {
$Searcher.SecurityMasks = Switch ($SecurityMasks) {
'Dacl' { [System.DirectoryServices.SecurityMasks]::Dacl }
'Group' { [System.DirectoryServices.SecurityMasks]::Group }
'None' { [System.DirectoryServices.SecurityMasks]::None }
'Owner' { [System.DirectoryServices.SecurityMasks]::Owner }
'Sacl' { [System.DirectoryServices.SecurityMasks]::Sacl }
}
}
if ($PSBoundParameters['Properties']) {
# handle an array of properties to load w/ the possibility of comma-separated strings
$PropertiesToLoad = $Properties| ForEach-Object { $_.Split(',') }
$Null = $Searcher.PropertiesToLoad.AddRange(($PropertiesToLoad))
}
$Searcher
}
}
function Get-DomainGroupMember {
[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSShouldProcess', '')]
[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseDeclaredVarsMoreThanAssignments', '')]
[OutputType('StrongView.GroupMember')]
[CmdletBinding(DefaultParameterSetName = 'None')]
Param(
[Parameter(Position = 0, Mandatory = $True, ValueFromPipeline = $True, ValueFromPipelineByPropertyName = $True)]
[Alias('DistinguishedName', 'SamAccountName', 'Name', 'MemberDistinguishedName', 'MemberName')]
[String[]]
$Identity,
[ValidateNotNullOrEmpty()]
[String]
$Domain,
[Parameter(ParameterSetName = 'ManualRecurse')]
[Switch]
$Recurse,
[Parameter(ParameterSetName = 'RecurseUsingMatchingRule')]
[Switch]
$RecurseUsingMatchingRule,
[ValidateNotNullOrEmpty()]
[Alias('Filter')]
[String]
$LDAPFilter,
[ValidateNotNullOrEmpty()]
[Alias('ADSPath')]
[String]
$SearchBase,
[ValidateNotNullOrEmpty()]
[Alias('DomainController')]
[String]
$Server,
[ValidateSet('Base', 'OneLevel', 'Subtree')]
[String]
$SearchScope = 'Subtree',
[ValidateRange(1, 10000)]
[Int]
$ResultPageSize = 200,
[ValidateRange(1, 10000)]
[Int]
$ServerTimeLimit,
[ValidateSet('Dacl', 'Group', 'None', 'Owner', 'Sacl')]
[String]
$SecurityMasks,
[Switch]
$Tombstone,
[Management.Automation.PSCredential]
[Management.Automation.CredentialAttribute()]
$Credential = [Management.Automation.PSCredential]::Empty
)
BEGIN {
$SearcherArguments = @{
'Properties' = 'member,samaccountname,distinguishedname'
}
if ($PSBoundParameters['Domain']) { $SearcherArguments['Domain'] = $Domain }
if ($PSBoundParameters['LDAPFilter']) { $SearcherArguments['LDAPFilter'] = $LDAPFilter }
if ($PSBoundParameters['SearchBase']) { $SearcherArguments['SearchBase'] = $SearchBase }
if ($PSBoundParameters['Server']) { $SearcherArguments['Server'] = $Server }
if ($PSBoundParameters['SearchScope']) { $SearcherArguments['SearchScope'] = $SearchScope }
if ($PSBoundParameters['ResultPageSize']) { $SearcherArguments['ResultPageSize'] = $ResultPageSize }
if ($PSBoundParameters['ServerTimeLimit']) { $SearcherArguments['ServerTimeLimit'] = $ServerTimeLimit }
if ($PSBoundParameters['Tombstone']) { $SearcherArguments['Tombstone'] = $Tombstone }
if ($PSBoundParameters['Credential']) { $SearcherArguments['Credential'] = $Credential }
$ADNameArguments = @{}
if ($PSBoundParameters['Domain']) { $ADNameArguments['Domain'] = $Domain }
if ($PSBoundParameters['Server']) { $ADNameArguments['Server'] = $Server }
if ($PSBoundParameters['Credential']) { $ADNameArguments['Credential'] = $Credential }
}
PROCESS {
$GroupSearcher = Get-DomainSearcher @SearcherArguments
if ($GroupSearcher) {
if ($PSBoundParameters['RecurseUsingMatchingRule']) {
$SearcherArguments['Identity'] = $Identity
$SearcherArguments['Raw'] = $True
$Group = Get-DomainGroup @SearcherArguments
if (-not $Group) {
Write-Warning "[Get-DomainGroupMember] Error searching for group with identity: $Identity"
}
else {
$GroupFoundName = $Group.properties.item('samaccountname')[0]
$GroupFoundDN = $Group.properties.item('distinguishedname')[0]
if ($PSBoundParameters['Domain']) {
$GroupFoundDomain = $Domain
}
else {
# if a domain isn't passed, try to extract it from the found group distinguished name
if ($GroupFoundDN) {
$GroupFoundDomain = $GroupFoundDN.SubString($GroupFoundDN.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
}
}
Write-Verbose "[Get-DomainGroupMember] Using LDAP matching rule to recurse on '$GroupFoundDN', only user accounts will be returned."
$GroupSearcher.filter = "(&(samAccountType=805306368)(memberof:1.2.840.113556.1.4.1941:=$GroupFoundDN))"
$GroupSearcher.PropertiesToLoad.AddRange(('distinguishedName'))
$Members = $GroupSearcher.FindAll() | ForEach-Object {$_.Properties.distinguishedname[0]}
}
$Null = $SearcherArguments.Remove('Raw')
}
else {
$IdentityFilter = ''
$Filter = ''
$Identity | Where-Object {$_} | ForEach-Object {
$IdentityInstance = $_.Replace('(', '\28').Replace(')', '\29')
if ($IdentityInstance -match '^S-1-') {
$IdentityFilter += "(objectsid=$IdentityInstance)"
}
elseif ($IdentityInstance -match '^CN=') {
$IdentityFilter += "(distinguishedname=$IdentityInstance)"
if ((-not $PSBoundParameters['Domain']) -and (-not $PSBoundParameters['SearchBase'])) {
# if a -Domain isn't explicitly set, extract the object domain out of the distinguishedname
# and rebuild the domain searcher
$IdentityDomain = $IdentityInstance.SubString($IdentityInstance.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
Write-Verbose "[Get-DomainGroupMember] Extracted domain '$IdentityDomain' from '$IdentityInstance'"
$SearcherArguments['Domain'] = $IdentityDomain
$GroupSearcher = Get-DomainSearcher @SearcherArguments
if (-not $GroupSearcher) {
Write-Warning "[Get-DomainGroupMember] Unable to retrieve domain searcher for '$IdentityDomain'"
}
}
}
elseif ($IdentityInstance -imatch '^[0-9A-F]{8}-([0-9A-F]{4}-){3}[0-9A-F]{12}$') {
$GuidByteString = (([Guid]$IdentityInstance).ToByteArray() | ForEach-Object { '\' + $_.ToString('X2') }) -join ''
$IdentityFilter += "(objectguid=$GuidByteString)"
}
elseif ($IdentityInstance.Contains('\')) {
$ConvertedIdentityInstance = $IdentityInstance.Replace('\28', '(').Replace('\29', ')') | Convert-ADName -OutputType Canonical
if ($ConvertedIdentityInstance) {
$GroupDomain = $ConvertedIdentityInstance.SubString(0, $ConvertedIdentityInstance.IndexOf('/'))
$GroupName = $IdentityInstance.Split('\')[1]
$IdentityFilter += "(samAccountName=$GroupName)"
$SearcherArguments['Domain'] = $GroupDomain
Write-Verbose "[Get-DomainGroupMember] Extracted domain '$GroupDomain' from '$IdentityInstance'"
$GroupSearcher = Get-DomainSearcher @SearcherArguments
}
}
else {
$IdentityFilter += "(samAccountName=$IdentityInstance)"
}
}
if ($IdentityFilter -and ($IdentityFilter.Trim() -ne '') ) {
$Filter += "(|$IdentityFilter)"
}
if ($PSBoundParameters['LDAPFilter']) {
Write-Verbose "[Get-DomainGroupMember] Using additional LDAP filter: $LDAPFilter"
$Filter += "$LDAPFilter"
}
$GroupSearcher.filter = "(&(objectCategory=group)$Filter)"
Write-Verbose "[Get-DomainGroupMember] Get-DomainGroupMember filter string: $($GroupSearcher.filter)"
try {
$Result = $GroupSearcher.FindOne()
}
catch {
Write-Warning "[Get-DomainGroupMember] Error searching for group with identity '$Identity': $_"
$Members = @()
}
$GroupFoundName = ''
$GroupFoundDN = ''
if ($Result) {
$Members = $Result.properties.item('member')
if ($Members.count -eq 0) {
# ranged searching, thanks @meatballs__ !
$Finished = $False
$Bottom = 0
$Top = 0
while (-not $Finished) {
$Top = $Bottom + 1499
$MemberRange="member;range=$Bottom-$Top"
$Bottom += 1500
$Null = $GroupSearcher.PropertiesToLoad.Clear()
$Null = $GroupSearcher.PropertiesToLoad.Add("$MemberRange")
$Null = $GroupSearcher.PropertiesToLoad.Add('samaccountname')
$Null = $GroupSearcher.PropertiesToLoad.Add('distinguishedname')
try {
$Result = $GroupSearcher.FindOne()
$RangedProperty = $Result.Properties.PropertyNames -like "member;range=*"
$Members += $Result.Properties.item($RangedProperty)
$GroupFoundName = $Result.properties.item('samaccountname')[0]
$GroupFoundDN = $Result.properties.item('distinguishedname')[0]
if ($Members.count -eq 0) {
$Finished = $True
}
}
catch [System.Management.Automation.MethodInvocationException] {
$Finished = $True
}
}
}
else {
$GroupFoundName = $Result.properties.item('samaccountname')[0]
$GroupFoundDN = $Result.properties.item('distinguishedname')[0]
$Members += $Result.Properties.item($RangedProperty)
}
if ($PSBoundParameters['Domain']) {
$GroupFoundDomain = $Domain
}
else {
# if a domain isn't passed, try to extract it from the found group distinguished name
if ($GroupFoundDN) {
$GroupFoundDomain = $GroupFoundDN.SubString($GroupFoundDN.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
}
}
}
}
ForEach ($Member in $Members) {
if ($Recurse -and $UseMatchingRule) {
$Properties = $_.Properties
}
else {
$ObjectSearcherArguments = $SearcherArguments.Clone()
$ObjectSearcherArguments['Identity'] = $Member
$ObjectSearcherArguments['Raw'] = $True
$ObjectSearcherArguments['Properties'] = 'distinguishedname,cn,samaccountname,objectsid,objectclass'
$Object = Get-DomainObject @ObjectSearcherArguments
$Properties = $Object.Properties
}
if ($Properties) {
$GroupMember = New-Object PSObject
$GroupMember | Add-Member Noteproperty 'GroupDomain' $GroupFoundDomain
$GroupMember | Add-Member Noteproperty 'GroupName' $GroupFoundName
$GroupMember | Add-Member Noteproperty 'GroupDistinguishedName' $GroupFoundDN
if ($Properties.objectsid) {
$MemberSID = ((New-Object System.Security.Principal.SecurityIdentifier $Properties.objectsid[0], 0).Value)
}
else {
$MemberSID = $Null
}
try {
$MemberDN = $Properties.distinguishedname[0]
if ($MemberDN -match 'ForeignSecurityPrincipals|S-1-5-21') {
try {
if (-not $MemberSID) {
$MemberSID = $Properties.cn[0]
}
$MemberSimpleName = Convert-ADName -Identity $MemberSID -OutputType 'DomainSimple' @ADNameArguments
if ($MemberSimpleName) {
$MemberDomain = $MemberSimpleName.Split('@')[1]
}
else {
Write-Warning "[Get-DomainGroupMember] Error converting $MemberDN"
$MemberDomain = $Null
}
}
catch {
Write-Warning "[Get-DomainGroupMember] Error converting $MemberDN"
$MemberDomain = $Null
}
}
else {
# extract the FQDN from the Distinguished Name
$MemberDomain = $MemberDN.SubString($MemberDN.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
}
}
catch {
$MemberDN = $Null
$MemberDomain = $Null
}
if ($Properties.samaccountname) {
# forest users have the samAccountName set
$MemberName = $Properties.samaccountname[0]
}
else {
# external trust users have a SID, so convert it
try {
$MemberName = ConvertFrom-SID -ObjectSID $Properties.cn[0] @ADNameArguments
}
catch {
# if there's a problem contacting the domain to resolve the SID
$MemberName = $Properties.cn[0]
}
}
if ($Properties.objectclass -match 'computer') {
$MemberObjectClass = 'computer'
}
elseif ($Properties.objectclass -match 'group') {
$MemberObjectClass = 'group'
}
elseif ($Properties.objectclass -match 'user') {
$MemberObjectClass = 'user'
}
else {
$MemberObjectClass = $Null
}
$GroupMember | Add-Member Noteproperty 'MemberDomain' $MemberDomain
$GroupMember | Add-Member Noteproperty 'MemberName' $MemberName
$GroupMember | Add-Member Noteproperty 'MemberDistinguishedName' $MemberDN
$GroupMember | Add-Member Noteproperty 'MemberObjectClass' $MemberObjectClass
$GroupMember | Add-Member Noteproperty 'MemberSID' $MemberSID
$GroupMember.PSObject.TypeNames.Insert(0, 'StrongView.GroupMember')
$GroupMember
# if we're doing manual recursion
if ($PSBoundParameters['Recurse'] -and $MemberDN -and ($MemberObjectClass -match 'group')) {
Write-Verbose "[Get-DomainGroupMember] Manually recursing on group: $MemberDN"
$SearcherArguments['Identity'] = $MemberDN
$Null = $SearcherArguments.Remove('Properties')
Get-DomainGroupMember @SearcherArguments
}
}
}
$GroupSearcher.dispose()
}
}
}
function Get-DomainUser {
[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseDeclaredVarsMoreThanAssignments', '')]
[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSShouldProcess', '')]
[OutputType('StrongView.User')]
[OutputType('StrongView.User.Raw')]
[CmdletBinding(DefaultParameterSetName = 'AllowDelegation')]
Param(
[Parameter(Position = 0, ValueFromPipeline = $True, ValueFromPipelineByPropertyName = $True)]
[Alias('DistinguishedName', 'SamAccountName', 'Name', 'MemberDistinguishedName', 'MemberName')]
[String[]]
$Identity,
[Switch]
$SPN,
[Switch]
$AdminCount,
[Parameter(ParameterSetName = 'AllowDelegation')]
[Switch]
$AllowDelegation,
[Parameter(ParameterSetName = 'DisallowDelegation')]
[Switch]
$DisallowDelegation,
[Switch]
$TrustedToAuth,
[Alias('KerberosPreauthNotRequired', 'NoPreauth')]
[Switch]
$PreauthNotRequired,
[ValidateNotNullOrEmpty()]
[String]
$Domain,
[ValidateNotNullOrEmpty()]
[Alias('Filter')]
[String]
$LDAPFilter,
[ValidateNotNullOrEmpty()]
[String[]]
$Properties,
[ValidateNotNullOrEmpty()]
[Alias('ADSPath')]
[String]
$SearchBase,
[ValidateNotNullOrEmpty()]
[Alias('DomainController')]
[String]
$Server,
[ValidateSet('Base', 'OneLevel', 'Subtree')]
[String]
$SearchScope = 'Subtree',
[ValidateRange(1, 10000)]
[Int]
$ResultPageSize = 200,
[ValidateRange(1, 10000)]
[Int]
$ServerTimeLimit,
[ValidateSet('Dacl', 'Group', 'None', 'Owner', 'Sacl')]
[String]
$SecurityMasks,
[Switch]
$Tombstone,
[Alias('ReturnOne')]
[Switch]
$FindOne,
[Management.Automation.PSCredential]
[Management.Automation.CredentialAttribute()]
$Credential = [Management.Automation.PSCredential]::Empty,
[Switch]
$Raw
)
BEGIN {
$SearcherArguments = @{}
if ($PSBoundParameters['Domain']) { $SearcherArguments['Domain'] = $Domain }
if ($PSBoundParameters['Properties']) { $SearcherArguments['Properties'] = $Properties }
if ($PSBoundParameters['SearchBase']) { $SearcherArguments['SearchBase'] = $SearchBase }
if ($PSBoundParameters['Server']) { $SearcherArguments['Server'] = $Server }
if ($PSBoundParameters['SearchScope']) { $SearcherArguments['SearchScope'] = $SearchScope }
if ($PSBoundParameters['ResultPageSize']) { $SearcherArguments['ResultPageSize'] = $ResultPageSize }
if ($PSBoundParameters['ServerTimeLimit']) { $SearcherArguments['ServerTimeLimit'] = $ServerTimeLimit }
if ($PSBoundParameters['SecurityMasks']) { $SearcherArguments['SecurityMasks'] = $SecurityMasks }
if ($PSBoundParameters['Tombstone']) { $SearcherArguments['Tombstone'] = $Tombstone }
if ($PSBoundParameters['Credential']) { $SearcherArguments['Credential'] = $Credential }
$UserSearcher = Get-DomainSearcher @SearcherArguments
}
PROCESS {
if ($UserSearcher) {
$IdentityFilter = ''
$Filter = ''
$Identity | Where-Object {$_} | ForEach-Object {
$IdentityInstance = $_.Replace('(', '\28').Replace(')', '\29')
if ($IdentityInstance -match '^S-1-') {
$IdentityFilter += "(objectsid=$IdentityInstance)"
}
elseif ($IdentityInstance -match '^CN=') {
$IdentityFilter += "(distinguishedname=$IdentityInstance)"
if ((-not $PSBoundParameters['Domain']) -and (-not $PSBoundParameters['SearchBase'])) {
# if a -Domain isn't explicitly set, extract the object domain out of the distinguishedname
# and rebuild the domain searcher
$IdentityDomain = $IdentityInstance.SubString($IdentityInstance.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
Write-Verbose "[Get-DomainUser] Extracted domain '$IdentityDomain' from '$IdentityInstance'"
$SearcherArguments['Domain'] = $IdentityDomain
$UserSearcher = Get-DomainSearcher @SearcherArguments
if (-not $UserSearcher) {
Write-Warning "[Get-DomainUser] Unable to retrieve domain searcher for '$IdentityDomain'"
}
}
}
elseif ($IdentityInstance -imatch '^[0-9A-F]{8}-([0-9A-F]{4}-){3}[0-9A-F]{12}$') {
$GuidByteString = (([Guid]$IdentityInstance).ToByteArray() | ForEach-Object { '\' + $_.ToString('X2') }) -join ''
$IdentityFilter += "(objectguid=$GuidByteString)"
}
elseif ($IdentityInstance.Contains('\')) {
$ConvertedIdentityInstance = $IdentityInstance.Replace('\28', '(').Replace('\29', ')') | Convert-ADName -OutputType Canonical
if ($ConvertedIdentityInstance) {
$UserDomain = $ConvertedIdentityInstance.SubString(0, $ConvertedIdentityInstance.IndexOf('/'))
$UserName = $IdentityInstance.Split('\')[1]
$IdentityFilter += "(samAccountName=$UserName)"
$SearcherArguments['Domain'] = $UserDomain
Write-Verbose "[Get-DomainUser] Extracted domain '$UserDomain' from '$IdentityInstance'"
$UserSearcher = Get-DomainSearcher @SearcherArguments
}
}
else {
$IdentityFilter += "(samAccountName=$IdentityInstance)"
}
}
if ($IdentityFilter -and ($IdentityFilter.Trim() -ne '') ) {
$Filter += "(|$IdentityFilter)"
}
if ($PSBoundParameters['SPN']) {
Write-Verbose '[Get-DomainUser] Searching for non-null service principal names'
$Filter += '(servicePrincipalName=*)'
}
if ($PSBoundParameters['AllowDelegation']) {
Write-Verbose '[Get-DomainUser] Searching for users who can be delegated'
# negation of "Accounts that are sensitive and not trusted for delegation"
$Filter += '(!(userAccountControl:1.2.840.113556.1.4.803:=1048574))'
}
if ($PSBoundParameters['DisallowDelegation']) {
Write-Verbose '[Get-DomainUser] Searching for users who are sensitive and not trusted for delegation'
$Filter += '(userAccountControl:1.2.840.113556.1.4.803:=1048574)'
}
if ($PSBoundParameters['AdminCount']) {
Write-Verbose '[Get-DomainUser] Searching for adminCount=1'
$Filter += '(admincount=1)'
}
if ($PSBoundParameters['TrustedToAuth']) {
Write-Verbose '[Get-DomainUser] Searching for users that are trusted to authenticate for other principals'
$Filter += '(msds-allowedtodelegateto=*)'
}
if ($PSBoundParameters['PreauthNotRequired']) {
Write-Verbose '[Get-DomainUser] Searching for user accounts that do not require kerberos preauthenticate'
$Filter += '(userAccountControl:1.2.840.113556.1.4.803:=4194304)'
}
if ($PSBoundParameters['LDAPFilter']) {
Write-Verbose "[Get-DomainUser] Using additional LDAP filter: $LDAPFilter"
$Filter += "$LDAPFilter"
}
# build the LDAP filter for the dynamic UAC filter value
$UACFilter | Where-Object {$_} | ForEach-Object {
if ($_ -match 'NOT_.*') {
$UACField = $_.Substring(4)
$UACValue = [Int]($UACEnum::$UACField)
$Filter += "(!(userAccountControl:1.2.840.113556.1.4.803:=$UACValue))"
}
else {
$UACValue = [Int]($UACEnum::$_)
$Filter += "(userAccountControl:1.2.840.113556.1.4.803:=$UACValue)"
}
}
$UserSearcher.filter = "(&(samAccountType=805306368)$Filter)"
Write-Verbose "[Get-DomainUser] filter string: $($UserSearcher.filter)"
if ($PSBoundParameters['FindOne']) { $Results = $UserSearcher.FindOne() }
else { $Results = $UserSearcher.FindAll() }
$Results | Where-Object {$_} | ForEach-Object {
if ($PSBoundParameters['Raw']) {
# return raw result objects
$User = $_
$User.PSObject.TypeNames.Insert(0, 'StrongView.User.Raw')
}
else {
$User = Convert-LDAPProperty -Properties $_.Properties
$User.PSObject.TypeNames.Insert(0, 'StrongView.User')
}
$User
}
if ($Results) {
try { $Results.dispose() }
catch {
Write-Verbose "[Get-DomainUser] Error disposing of the Results object: $_"
}
}
$UserSearcher.dispose()
}
}
}
function Get-DomainObject {
[Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseDeclaredVarsMoreThanAssignments', '')]
[OutputType('StrongView.ADObject')]
[OutputType('StrongView.ADObject.Raw')]
[CmdletBinding()]
Param(
[Parameter(Position = 0, ValueFromPipeline = $True, ValueFromPipelineByPropertyName = $True)]
[Alias('DistinguishedName', 'SamAccountName', 'Name', 'MemberDistinguishedName', 'MemberName')]
[String[]]
$Identity,
[ValidateNotNullOrEmpty()]
[String]
$Domain,
[ValidateNotNullOrEmpty()]
[Alias('Filter')]
[String]
$LDAPFilter,
[ValidateNotNullOrEmpty()]
[String[]]
$Properties,
[ValidateNotNullOrEmpty()]
[Alias('ADSPath')]
[String]
$SearchBase,
[ValidateNotNullOrEmpty()]
[Alias('DomainController')]
[String]
$Server,
[ValidateSet('Base', 'OneLevel', 'Subtree')]
[String]
$SearchScope = 'Subtree',
[ValidateRange(1, 10000)]
[Int]
$ResultPageSize = 200,
[ValidateRange(1, 10000)]
[Int]
$ServerTimeLimit,
[ValidateSet('Dacl', 'Group', 'None', 'Owner', 'Sacl')]
[String]
$SecurityMasks,
[Switch]
$Tombstone,
[Alias('ReturnOne')]
[Switch]
$FindOne,
[Management.Automation.PSCredential]
[Management.Automation.CredentialAttribute()]
$Credential = [Management.Automation.PSCredential]::Empty,
[Switch]
$Raw
)
BEGIN {
$SearcherArguments = @{}
if ($PSBoundParameters['Domain']) { $SearcherArguments['Domain'] = $Domain }
if ($PSBoundParameters['Properties']) { $SearcherArguments['Properties'] = $Properties }
if ($PSBoundParameters['SearchBase']) { $SearcherArguments['SearchBase'] = $SearchBase }
if ($PSBoundParameters['Server']) { $SearcherArguments['Server'] = $Server }
if ($PSBoundParameters['SearchScope']) { $SearcherArguments['SearchScope'] = $SearchScope }
if ($PSBoundParameters['ResultPageSize']) { $SearcherArguments['ResultPageSize'] = $ResultPageSize }
if ($PSBoundParameters['ServerTimeLimit']) { $SearcherArguments['ServerTimeLimit'] = $ServerTimeLimit }
if ($PSBoundParameters['SecurityMasks']) { $SearcherArguments['SecurityMasks'] = $SecurityMasks }
if ($PSBoundParameters['Tombstone']) { $SearcherArguments['Tombstone'] = $Tombstone }
if ($PSBoundParameters['Credential']) { $SearcherArguments['Credential'] = $Credential }
$ObjectSearcher = Get-DomainSearcher @SearcherArguments
}
PROCESS {
if ($ObjectSearcher) {
$IdentityFilter = ''
$Filter = ''
$Identity | Where-Object {$_} | ForEach-Object {
$IdentityInstance = $_.Replace('(', '\28').Replace(')', '\29')
if ($IdentityInstance -match '^S-1-') {
$IdentityFilter += "(objectsid=$IdentityInstance)"
}
elseif ($IdentityInstance -match '^(CN|OU|DC)=') {
$IdentityFilter += "(distinguishedname=$IdentityInstance)"
if ((-not $PSBoundParameters['Domain']) -and (-not $PSBoundParameters['SearchBase'])) {
# if a -Domain isn't explicitly set, extract the object domain out of the distinguishedname
# and rebuild the domain searcher
$IdentityDomain = $IdentityInstance.SubString($IdentityInstance.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
Write-Verbose "[Get-DomainObject] Extracted domain '$IdentityDomain' from '$IdentityInstance'"
$SearcherArguments['Domain'] = $IdentityDomain
$ObjectSearcher = Get-DomainSearcher @SearcherArguments
if (-not $ObjectSearcher) {
Write-Warning "[Get-DomainObject] Unable to retrieve domain searcher for '$IdentityDomain'"
}
}
}
elseif ($IdentityInstance -imatch '^[0-9A-F]{8}-([0-9A-F]{4}-){3}[0-9A-F]{12}$') {
$GuidByteString = (([Guid]$IdentityInstance).ToByteArray() | ForEach-Object { '\' + $_.ToString('X2') }) -join ''
$IdentityFilter += "(objectguid=$GuidByteString)"
}
elseif ($IdentityInstance.Contains('\')) {
$ConvertedIdentityInstance = $IdentityInstance.Replace('\28', '(').Replace('\29', ')') | Convert-ADName -OutputType Canonical
if ($ConvertedIdentityInstance) {
$ObjectDomain = $ConvertedIdentityInstance.SubString(0, $ConvertedIdentityInstance.IndexOf('/'))
$ObjectName = $IdentityInstance.Split('\')[1]
$IdentityFilter += "(samAccountName=$ObjectName)"
$SearcherArguments['Domain'] = $ObjectDomain
Write-Verbose "[Get-DomainObject] Extracted domain '$ObjectDomain' from '$IdentityInstance'"
$ObjectSearcher = Get-DomainSearcher @SearcherArguments
}
}
elseif ($IdentityInstance.Contains('.')) {
$IdentityFilter += "(|(samAccountName=$IdentityInstance)(name=$IdentityInstance)(dnshostname=$IdentityInstance))"
}
else {
$IdentityFilter += "(|(samAccountName=$IdentityInstance)(name=$IdentityInstance)(displayname=$IdentityInstance))"
}
}
if ($IdentityFilter -and ($IdentityFilter.Trim() -ne '') ) {
$Filter += "(|$IdentityFilter)"
}
if ($PSBoundParameters['LDAPFilter']) {
Write-Verbose "[Get-DomainObject] Using additional LDAP filter: $LDAPFilter"
$Filter += "$LDAPFilter"
}
# build the LDAP filter for the dynamic UAC filter value
$UACFilter | Where-Object {$_} | ForEach-Object {
if ($_ -match 'NOT_.*') {
$UACField = $_.Substring(4)
$UACValue = [Int]($UACEnum::$UACField)
$Filter += "(!(userAccountControl:1.2.840.113556.1.4.803:=$UACValue))"
}
else {
$UACValue = [Int]($UACEnum::$_)
$Filter += "(userAccountControl:1.2.840.113556.1.4.803:=$UACValue)"
}
}
if ($Filter -and $Filter -ne '') {
$ObjectSearcher.filter = "(&$Filter)"
}
Write-Verbose "[Get-DomainObject] Get-DomainObject filter string: $($ObjectSearcher.filter)"
if ($PSBoundParameters['FindOne']) { $Results = $ObjectSearcher.FindOne() }
else { $Results = $ObjectSearcher.FindAll() }
$Results | Where-Object {$_} | ForEach-Object {
if ($PSBoundParameters['Raw']) {
# return raw result objects
$Object = $_
$Object.PSObject.TypeNames.Insert(0, 'StrongView.ADObject.Raw')
}
else {
$Object = Convert-LDAPProperty -Properties $_.Properties
$Object.PSObject.TypeNames.Insert(0, 'StrongView.ADObject')
}
$Object
}
if ($Results) {
try { $Results.dispose() }
catch {
Write-Verbose "[Get-DomainObject] Error disposing of the Results object: $_"
}
}
$ObjectSearcher.dispose()