Get-DomainForeignGroupMember

SYNOPSIS

Enumerates groups with users outside of the group's domain and returns each foreign member. This is a domain's "incoming" access.

Author: Will Schroeder (@harmj0y)
License: BSD 3-Clause
Required Dependencies: Get-Domain, Get-DomainGroup

SYNTAX

Get-DomainForeignGroupMember [[-Domain] <String>] [-LDAPFilter <String>] [-Properties <String[]>]
 [-SearchBase <String>] [-Server <String>] [-SearchScope <String>] [-ResultPageSize <Int32>]
 [-ServerTimeLimit <Int32>] [-SecurityMasks <String>] [-Tombstone] [-Credential <PSCredential>]

DESCRIPTION

Uses Get-DomainGroup to enumerate all groups for the current (or target) domain, then enumerates the members of each group, and compares the member's domain name to the parent group's domain name, outputting the member if the domains differ.

EXAMPLES

-------------------------- EXAMPLE 1 --------------------------

Get-DomainForeignGroupMember

Return all group members in the current domain where the group and member differ.

-------------------------- EXAMPLE 2 --------------------------

Get-DomainForeignGroupMember -Domain dev.testlab.local

Return all group members in the dev.testlab.local domain where the member is not in dev.testlab.local.

-------------------------- EXAMPLE 3 --------------------------

$SecPassword = ConvertTo-SecureString 'Password123!' -AsPlainText -Force

$Cred = New-Object System.Management.Automation.PSCredential('TESTLAB\dfm.a', $SecPassword) Get-DomainForeignGroupMember -Domain dev.testlab.local -Server secondary.dev.testlab.local -Credential $Cred

Return all group members in the dev.testlab.local domain where the member is not in dev.testlab.local. binding to the secondary.dev.testlab.local for queries, and using the specified alternate credentials.

PARAMETERS

-Domain

Specifies the domain to use for the query, defaults to the current domain.

Type: String
Parameter Sets: (All)
Aliases: Name

Required: False
Position: 1
Default value: None
Accept pipeline input: True (ByPropertyName, ByValue)
Accept wildcard characters: False

-LDAPFilter

Specifies an LDAP query string that is used to filter Active Directory objects.

Type: String
Parameter Sets: (All)
Aliases: Filter

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Properties

Specifies the properties of the output object to retrieve from the server.

Type: String[]
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-SearchBase

The LDAP source to search through, e.g. "LDAP://OU=secret,DC=testlab,DC=local" Useful for OU queries.

Type: String
Parameter Sets: (All)
Aliases: ADSPath

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Server

Specifies an Active Directory server (domain controller) to bind to.

Type: String
Parameter Sets: (All)
Aliases: DomainController

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-SearchScope

Specifies the scope to search under, Base/OneLevel/Subtree (default of Subtree).

Type: String
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: Subtree
Accept pipeline input: False
Accept wildcard characters: False

-ResultPageSize

Specifies the PageSize to set for the LDAP searcher object.

Type: Int32
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: 200
Accept pipeline input: False
Accept wildcard characters: False

-ServerTimeLimit

Specifies the maximum amount of time the server spends searching. Default of 120 seconds.

Type: Int32
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: 0
Accept pipeline input: False
Accept wildcard characters: False

-SecurityMasks

Specifies an option for examining security information of a directory object. One of 'Dacl', 'Group', 'None', 'Owner', 'Sacl'.

Type: String
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

-Tombstone

Switch. Specifies that the searcher should also return deleted/tombstoned objects.

Type: SwitchParameter
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: False
Accept pipeline input: False
Accept wildcard characters: False

-Credential

A [Management.Automation.PSCredential] object of alternate credentials for connection to the target domain.

Type: PSCredential
Parameter Sets: (All)
Aliases: 

Required: False
Position: Named
Default value: [Management.Automation.PSCredential]::Empty
Accept pipeline input: False
Accept wildcard characters: False

OUTPUTS

Custom PSObject with translated group member property fields.