Add-DomainObjectAcl

SYNOPSIS

Adds an ACL for a specific active directory object.

AdminSDHolder ACL approach from Sean Metcalf (@pyrotek3): https://adsecurity.org/?p=1906

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

SYNTAX

Add-DomainObjectAcl [[-TargetIdentity] <String[]>] [-TargetDomain <String>] [-TargetLDAPFilter <String>]
 [-TargetSearchBase <String>] -PrincipalIdentity <String[]> [-PrincipalDomain <String>] [-Server <String>]
 [-SearchScope <String>] [-ResultPageSize <Int32>] [-ServerTimeLimit <Int32>] [-Tombstone]
 [-Credential <PSCredential>] [-Rights <String>] [-RightsGUID <Guid>]

DESCRIPTION

This function modifies the ACL/ACE entries for a given Active Directory target object specified by -TargetIdentity. Available -Rights are 'All', 'ResetPassword', 'WriteMembers', 'DCSync', or a manual extended rights GUID can be set with -RightsGUID. These rights are granted on the target object for the specified -PrincipalIdentity.

EXAMPLES

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

$Harmj0ySid = Get-DomainUser harmj0y | Select-Object -ExpandProperty objectsid

Get-DomainObjectACL dfm.a -ResolveGUIDs | Where-Object {$_.securityidentifier -eq $Harmj0ySid}

...

Add-DomainObjectAcl -TargetIdentity dfm.a -PrincipalIdentity harmj0y -Rights ResetPassword -Verbose VERBOSE: [Get-DomainSearcher] search string: LDAP://PRIMARY.testlab.local/DC=testlab,DC=local VERBOSE: [Get-DomainObject] Get-DomainObject filter string: (&(|(samAccountName=harmj0y))) VERBOSE: [Get-DomainSearcher] search string: LDAP://PRIMARY.testlab.local/DC=testlab,DC=local VERBOSE: [Get-DomainObject] Get-DomainObject filter string:(&(|(samAccountName=dfm.a))) VERBOSE: [Add-DomainObjectAcl] Granting principal CN=harmj0y,CN=Users,DC=testlab,DC=local 'ResetPassword' on CN=dfm (admin),CN=Users,DC=testlab,DC=local VERBOSE: [Add-DomainObjectAcl] Granting principal CN=harmj0y,CN=Users,DC=testlab,DC=local rights GUID '00299570-246d-11d0-a768-00aa006e0529' on CN=dfm (admin),CN=Users,DC=testlab,DC=local

Get-DomainObjectACL dfm.a -ResolveGUIDs | Where-Object {$_.securityidentifier -eq $Harmj0ySid }

AceQualifier : AccessAllowed ObjectDN : CN=dfm (admin),CN=Users,DC=testlab,DC=local ActiveDirectoryRights : ExtendedRight ObjectAceType : User-Force-Change-Password ObjectSID : S-1-5-21-890171859-3433809279-3366196753-1114 InheritanceFlags : None BinaryLength : 56 AceType : AccessAllowedObject ObjectAceFlags : ObjectAceTypePresent IsCallback : False PropagationFlags : None SecurityIdentifier : S-1-5-21-890171859-3433809279-3366196753-1108 AccessMask : 256 AuditFlags : None IsInherited : False AceFlags : None InheritedObjectAceType : All OpaqueLength : 0

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

$Harmj0ySid = Get-DomainUser harmj0y | Select-Object -ExpandProperty objectsid

Get-DomainObjectACL testuser -ResolveGUIDs | Where-Object {$_.securityidentifier -eq $Harmj0ySid}

[no results returned]

$SecPassword = ConvertTo-SecureString 'Password123!'-AsPlainText -Force $Cred = New-Object System.Management.Automation.PSCredential('TESTLAB\dfm.a', $SecPassword) Add-DomainObjectAcl -TargetIdentity testuser -PrincipalIdentity harmj0y -Rights ResetPassword -Credential $Cred -Verbose VERBOSE: [Get-Domain] Using alternate credentials for Get-Domain VERBOSE: [Get-Domain] Extracted domain 'TESTLAB' from -Credential VERBOSE: [Get-DomainSearcher] search string: LDAP://PRIMARY.testlab.local/DC=testlab,DC=local VERBOSE: [Get-DomainSearcher] Using alternate credentials for LDAP connection VERBOSE: [Get-DomainObject] Get-DomainObject filter string: (&(|(|(samAccountName=harmj0y)(name=harmj0y)))) VERBOSE: [Get-Domain] Using alternate credentials for Get-Domain VERBOSE: [Get-Domain] Extracted domain 'TESTLAB' from -Credential VERBOSE: [Get-DomainSearcher] search string: LDAP://PRIMARY.testlab.local/DC=testlab,DC=local VERBOSE: [Get-DomainSearcher] Using alternate credentials for LDAP connection VERBOSE: [Get-DomainObject] Get-DomainObject filter string: (&(|(|(samAccountName=testuser)(name=testuser)))) VERBOSE: [Add-DomainObjectAcl] Granting principal CN=harmj0y,CN=Users,DC=testlab,DC=local 'ResetPassword' on CN=testuser testuser,CN=Users,DC=testlab,DC=local VERBOSE: [Add-DomainObjectAcl] Granting principal CN=harmj0y,CN=Users,DC=testlab,DC=local rights GUID '00299570-246d-11d0-a768-00aa006e0529' on CN=testuser,CN=Users,DC=testlab,DC=local

Get-DomainObjectACL testuser -ResolveGUIDs | Where-Object {$_.securityidentifier -eq $Harmj0ySid }

PARAMETERS

-TargetIdentity

A SamAccountName (e.g. harmj0y), DistinguishedName (e.g. CN=harmj0y,CN=Users,DC=testlab,DC=local), SID (e.g. S-1-5-21-890171859-3433809279-3366196753-1108), or GUID (e.g. 4c435dd7-dc58-4b14-9a5e-1fdb0e80d201) for the domain object to modify ACLs for. Required. Wildcards accepted.

Type: String[]
Parameter Sets: (All)
Aliases: DistinguishedName, SamAccountName, Name

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

-TargetDomain

Specifies the domain for the TargetIdentity to use for the modification, defaults to the current domain.

Type: String
Parameter Sets: (All)
Aliases: 

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

-TargetLDAPFilter

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

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

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

-TargetSearchBase

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

Type: String
Parameter Sets: (All)
Aliases: 

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

-PrincipalIdentity

A SamAccountName (e.g. harmj0y), DistinguishedName (e.g. CN=harmj0y,CN=Users,DC=testlab,DC=local), SID (e.g. S-1-5-21-890171859-3433809279-3366196753-1108), or GUID (e.g. 4c435dd7-dc58-4b14-9a5e-1fdb0e80d201) for the domain principal to add for the ACL. Required. Wildcards accepted.

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

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

-PrincipalDomain

Specifies the domain for the TargetIdentity to use for the principal, defaults to the current domain.

Type: String
Parameter Sets: (All)
Aliases: 

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

-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

-Rights

Rights to add for the principal, 'All', 'ResetPassword', 'WriteMembers', 'DCSync'. Defaults to 'All'.

Type: String
Parameter Sets: (All)
Aliases: 

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

-RightsGUID

Manual GUID representing the right to add to the target.

Type: Guid
Parameter Sets: (All)
Aliases: 

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