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HarmJ0yHarmJ0y
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-Redid the default DC bindserver logic for Get-DomainSearcher
-fixed Get-DomainForeignUser / Get-DomainForeignGroupMember when using a global catalog -target group/member domains are now extracted from found DN names
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‎Recon/PowerView.ps1

Lines changed: 56 additions & 67 deletions
Original file line numberDiff line numberDiff line change
@@ -3401,36 +3401,38 @@ System.DirectoryServices.DirectorySearcher
34013401
PROCESS {
34023402
if ($PSBoundParameters['Domain']) {
34033403
$TargetDomain = $Domain
3404-
}
3405-
else {
3406-
# if not -Domain is specified, retrieve the current domain name
3407-
if ($PSBoundParameters['Credential']) {
3408-
$DomainObject = Get-Domain -Credential $Credential
3409-
}
3410-
else {
3411-
$DomainObject = Get-Domain
3412-
}
3413-
$TargetDomain = $DomainObject.Name
3414-
}
34153404

3416-
if (-not $PSBoundParameters['Server']) {
3417-
# if there's not a specified server to bind to, try to pull the current domain PDC
3418-
try {
3419-
if ($DomainObject) {
3420-
$BindServer = $DomainObject.PdcRoleOwner.Name
3421-
}
3422-
elseif ($PSBoundParameters['Credential']) {
3423-
$BindServer = ((Get-Domain -Credential $Credential).PdcRoleOwner).Name
3424-
}
3425-
else {
3426-
$BindServer = ((Get-Domain).PdcRoleOwner).Name
3405+
if ($ENV:USERDNSDOMAIN -and ($ENV:USERDNSDOMAIN.Trim() -ne '')) {
3406+
# see if we can grab the user DNS logon domain from environment variables
3407+
$UserDomain = $ENV:USERDNSDOMAIN
3408+
if ($ENV:LOGONSERVER -and ($ENV:LOGONSERVER.Trim() -ne '') -and $UserDomain) {
3409+
$BindServer = "$($ENV:LOGONSERVER -replace '\\','').$UserDomain"
34273410
}
34283411
}
3429-
catch {
3430-
throw "[Get-DomainSearcher] Error in retrieving PDC for current domain: $_"
3412+
}
3413+
elseif ($PSBoundParameters['Credential']) {
3414+
# if not -Domain is specified, but -Credential is, try to retrieve the current domain name with Get-Domain
3415+
$DomainObject = Get-Domain -Credential $Credential
3416+
$BindServer = ($DomainObject.PdcRoleOwner).Name
3417+
$TargetDomain = $DomainObject.Name
3418+
}
3419+
elseif ($ENV:USERDNSDOMAIN -and ($ENV:USERDNSDOMAIN.Trim() -ne '')) {
3420+
# see if we can grab the user DNS logon domain from environment variables
3421+
$TargetDomain = $ENV:USERDNSDOMAIN
3422+
if ($ENV:LOGONSERVER -and ($ENV:LOGONSERVER.Trim() -ne '') -and $TargetDomain) {
3423+
$BindServer = "$($ENV:LOGONSERVER -replace '\\','').$TargetDomain"
34313424
}
34323425
}
34333426
else {
3427+
# otherwise, resort to Get-Domain to retrieve the current domain object
3428+
write-verbose "get-domain"
3429+
$DomainObject = Get-Domain
3430+
$BindServer = ($DomainObject.PdcRoleOwner).Name
3431+
$TargetDomain = $DomainObject.Name
3432+
}
3433+
3434+
if ($PSBoundParameters['Server']) {
3435+
# if there's not a specified server to bind to, try to pull a logon server from ENV variables
34343436
$BindServer = $Server
34353437
}
34363438

@@ -3476,7 +3478,7 @@ System.DirectoryServices.DirectorySearcher
34763478
}
34773479

34783480
$SearchString += $DN
3479-
Write-Verbose "[Get-DomainSearcher] search string: $SearchString"
3481+
Write-Verbose "[Get-DomainSearcher] search base: $SearchString"
34803482

34813483
if ($Credential -ne [Management.Automation.PSCredential]::Empty) {
34823484
Write-Verbose "[Get-DomainSearcher] Using alternate credentials for LDAP connection"
@@ -19627,6 +19629,7 @@ Custom PSObject with translated domain API trust result fields.
1962719629
}
1962819630

1962919631
$LdapSearcherArguments = @{}
19632+
if ($PSBoundParameters['Domain']) { $LdapSearcherArguments['Domain'] = $Domain }
1963019633
if ($PSBoundParameters['LDAPFilter']) { $LdapSearcherArguments['LDAPFilter'] = $LDAPFilter }
1963119634
if ($PSBoundParameters['Properties']) { $LdapSearcherArguments['Properties'] = $Properties }
1963219635
if ($PSBoundParameters['SearchBase']) { $LdapSearcherArguments['SearchBase'] = $SearchBase }
@@ -19652,11 +19655,8 @@ Custom PSObject with translated domain API trust result fields.
1965219655
$SourceDomain = (Get-Domain).Name
1965319656
}
1965419657
}
19655-
19656-
$NetSearcherArguments['Domain'] = $SourceDomain
19657-
if ($PSBoundParameters['Credential']) { $NetSearcherArguments['Credential'] = $Credential }
1965819658
}
19659-
else {
19659+
elseif ($PsCmdlet.ParameterSetName -ne 'NET') {
1966019660
if ($Domain -and $Domain.Trim() -ne '') {
1966119661
$SourceDomain = $Domain
1966219662
}
@@ -19696,13 +19696,28 @@ Custom PSObject with translated domain API trust result fields.
1969619696
3 { 'MIT' }
1969719697
}
1969819698

19699+
$Distinguishedname = $Props.distinguishedname[0]
19700+
$SourceNameIndex = $Distinguishedname.IndexOf('DC=')
19701+
if ($SourceNameIndex) {
19702+
$SourceDomain = $($Distinguishedname.SubString($SourceNameIndex)) -replace 'DC=','' -replace ',','.'
19703+
}
19704+
else {
19705+
$SourceDomain = ""
19706+
}
19707+
19708+
$TargetNameIndex = $Distinguishedname.IndexOf(',CN=System')
19709+
if ($SourceNameIndex) {
19710+
$TargetDomain = $Distinguishedname.SubString(3, $TargetNameIndex-3)
19711+
}
19712+
else {
19713+
$TargetDomain = ""
19714+
}
19715+
1969919716
$ObjectGuid = New-Object Guid @(,$Props.objectguid[0])
1970019717
$TargetSID = (New-Object System.Security.Principal.SecurityIdentifier($Props.securityidentifier[0],0)).Value
1970119718

1970219719
$DomainTrust | Add-Member Noteproperty 'SourceName' $SourceDomain
19703-
$DomainTrust | Add-Member Noteproperty 'SourceSID' $SourceSID
1970419720
$DomainTrust | Add-Member Noteproperty 'TargetName' $Props.name[0]
19705-
$DomainTrust | Add-Member Noteproperty 'TargetSID' $TargetSID
1970619721
# $DomainTrust | Add-Member Noteproperty 'TargetGuid' "{$ObjectGuid}"
1970719722
$DomainTrust | Add-Member Noteproperty 'TrustType' $TrustType
1970819723
$DomainTrust | Add-Member Noteproperty 'TrustAttributes' $($TrustAttrib -join ',')
@@ -20053,32 +20068,21 @@ Custom PSObject with translated user property fields.
2005320068
}
2005420069

2005520070
PROCESS {
20056-
if ($PSBoundParameters['Domain']) {
20057-
$SearcherArguments['Domain'] = $Domain
20058-
$TargetDomain = $Domain
20059-
}
20060-
elseif ($PSBoundParameters['Credential']) {
20061-
$TargetDomain = Get-Domain -Credential $Credential | Select-Object -ExpandProperty name
20062-
}
20063-
elseif ($Env:USERDNSDOMAIN) {
20064-
$TargetDomain = $Env:USERDNSDOMAIN
20065-
}
20066-
else {
20067-
throw "[Get-DomainForeignUser] No domain found to enumerate!"
20068-
}
20069-
2007020071
Get-DomainUser @SearcherArguments | ForEach-Object {
2007120072
ForEach ($Membership in $_.memberof) {
2007220073
$Index = $Membership.IndexOf('DC=')
2007320074
if ($Index) {
2007420075

2007520076
$GroupDomain = $($Membership.SubString($Index)) -replace 'DC=','' -replace ',','.'
20077+
$UserDistinguishedName = $_.distinguishedname
20078+
$UserIndex = $UserDistinguishedName.IndexOf('DC=')
20079+
$UserDomain = $($_.distinguishedname.SubString($UserIndex)) -replace 'DC=','' -replace ',','.'
2007620080

20077-
if ($GroupDomain -ne $TargetDomain) {
20081+
if ($GroupDomain -ne $UserDomain) {
2007820082
# if the group domain doesn't match the user domain, display it
2007920083
$GroupName = $Membership.Split(',')[0].split('=')[1]
2008020084
$ForeignUser = New-Object PSObject
20081-
$ForeignUser | Add-Member Noteproperty 'UserDomain' $TargetDomain
20085+
$ForeignUser | Add-Member Noteproperty 'UserDomain' $UserDomain
2008220086
$ForeignUser | Add-Member Noteproperty 'UserName' $_.samaccountname
2008320087
$ForeignUser | Add-Member Noteproperty 'UserDistinguishedName' $_.distinguishedname
2008420088
$ForeignUser | Add-Member Noteproperty 'GroupDomain' $GroupDomain
@@ -20256,39 +20260,24 @@ Custom PSObject with translated group member property fields.
2025620260
}
2025720261

2025820262
PROCESS {
20259-
if ($PSBoundParameters['Domain']) {
20260-
$SearcherArguments['Domain'] = $Domain
20261-
$TargetDomain = $Domain
20262-
}
20263-
elseif ($PSBoundParameters['Credential']) {
20264-
$TargetDomain = Get-Domain -Credential $Credential | Select-Object -ExpandProperty name
20265-
}
20266-
elseif ($Env:USERDNSDOMAIN) {
20267-
$TargetDomain = $Env:USERDNSDOMAIN
20268-
}
20269-
else {
20270-
throw "[Get-DomainForeignGroupMember] No domain found to enumerate!"
20271-
}
20272-
2027320263
# standard group names to ignore
2027420264
$ExcludeGroups = @('Users', 'Domain Users', 'Guests')
20275-
$DomainDN = "DC=$($TargetDomain.Replace('.', ',DC='))"
2027620265

20277-
Get-DomainGroup @SearcherArguments | Where-Object {$ExcludeGroups -notcontains $_.samaccountname} | ForEach-Object {
20266+
Get-DomainGroup @SearcherArguments | Where-Object { $ExcludeGroups -notcontains $_.samaccountname } | ForEach-Object {
2027820267
$GroupName = $_.samAccountName
2027920268
$GroupDistinguishedName = $_.distinguishedname
20269+
$GroupDomain = $GroupDistinguishedName.SubString($GroupDistinguishedName.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
2028020270

2028120271
$_.member | ForEach-Object {
2028220272
# filter for foreign SIDs in the cn field for users in another domain,
2028320273
# or if the DN doesn't end with the proper DN for the queried domain
20284-
if (($_ -match 'CN=S-1-5-21.*-.*') -or ($DomainDN -ne ($_.SubString($_.IndexOf('DC='))))) {
20285-
20274+
$MemberDomain = $_.SubString($_.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
20275+
if (($_ -match 'CN=S-1-5-21.*-.*') -or ($GroupDomain -ne $MemberDomain)) {
2028620276
$MemberDistinguishedName = $_
20287-
$MemberDomain = $_.SubString($_.IndexOf('DC=')) -replace 'DC=','' -replace ',','.'
2028820277
$MemberName = $_.Split(',')[0].split('=')[1]
2028920278

2029020279
$ForeignGroupMember = New-Object PSObject
20291-
$ForeignGroupMember | Add-Member Noteproperty 'GroupDomain' $TargetDomain
20280+
$ForeignGroupMember | Add-Member Noteproperty 'GroupDomain' $GroupDomain
2029220281
$ForeignGroupMember | Add-Member Noteproperty 'GroupName' $GroupName
2029320282
$ForeignGroupMember | Add-Member Noteproperty 'GroupDistinguishedName' $GroupDistinguishedName
2029420283
$ForeignGroupMember | Add-Member Noteproperty 'MemberDomain' $MemberDomain

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