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Any process holding this privilege can **impersonate** (but not create) any **token** for which it is able to gethandle. You can get a **privileged token** from a **Windows service** (DCOM) making it perform an **NTLM authentication** against the exploit, then execute a process as **SYSTEM**. Exploit it with [juicy-potato](https://github.com/ohpe/juicy-potato), [RogueWinRM ](https://github.com/antonioCoco/RogueWinRM)(needs winrm disabled), [SweetPotato](https://github.com/CCob/SweetPotato), [PrintSpoofer](https://github.com/itm4n/PrintSpoofer):
It is very similar to **SeImpersonatePrivilege**, it will use the **same method** to get a privileged token.\
Then, this privilege allows **to assign a primary token** to a new/suspended process. With the privileged impersonation token you can derivate a primary token (DuplicateTokenEx).\
With the token, you can create a **new process** with 'CreateProcessAsUser' or create a process suspended and **set the token** (in general, you cannot modify the primary token of a running process).
If you have enabled this token you can use **KERB\_S4U\_LOGON** to get an **impersonation token** for any other user without knowing the credentials, **add an arbitrary group** (admins) to the token, set the **integrity level** of the token to "**medium**", and assign this token to the **current thread** (SetThreadToken).
This privilege causes the system to **grant all read access** control to any file (only read).\
Use it to **read the password hashes of local Administrator** accounts from the registry and then use "**psexec**" or "**wmicexec**" with the hash (PTH).\
* following **IppSec** in [https://www.youtube.com/watch?v=IfCysW0Od8w\&t=2610\&ab\_channel=IppSec](https://www.youtube.com/watch?v=IfCysW0Od8w\&t=2610\&ab\_channel=IppSec)
* Or as explained in the **escalating privileges with Backup Operators** section of:
In a possible scenario, a user can impersonate the token if it is for the same user and the integrity level is less or equal to the current process integrity level.\
In this case, the user could **create an impersonation token** and add to it a privileged group SID.
As you don't have access to write to HKLM, you have to **use HKCU**. But HKCU doesn't mean anything for the kernel, the way to guide the kernel here and use the expected path for a driver config is to use the path: "\Registry\User\S-1-5-21-582075628-3447520101-2530640108-1003\System\CurrentControlSet\Services\DriverName" (the ID is the **RID** of the current user).\
So, you have to **create all that path inside HKCU and set the ImagePath** (path to the binary that is going to be executed) **and Type** (SERVICE\_KERNEL\_DRIVER 0x00000001).\
One example of **abuse of this privilege** is to run [ProcDump](https://docs.microsoft.com/en-us/sysinternals/downloads/procdump) from the [SysInternals](https://docs.microsoft.com/en-us/sysinternals/downloads/sysinternals-suite) to **dump a process memory**. For example, the **Local Security Authority Subsystem Service (**[**LSASS**](https://en.wikipedia.org/wiki/Local\_Security\_Authority\_Subsystem\_Service)**)** process, which stores user credentials after a user logs on to a system.
The **tokens that appear as Disabled** can be enable, you you actually can abuse _Enabled_ and _Disabled_ tokens.
### Enable All the tokens
You can use the script [**EnableAllTokenPrivs.ps1**](https://raw.githubusercontent.com/fashionproof/EnableAllTokenPrivs/master/EnableAllTokenPrivs.ps1) to enable all the tokens:
```powershell
.\EnableAllTokenPrivs.ps1
whoami /priv
```
Or the **script** embed in this [**post**](https://www.leeholmes.com/adjusting-token-privileges-in-powershell/).
Full token privileges cheatsheet at [https://github.com/gtworek/Priv2Admin](https://github.com/gtworek/Priv2Admin), summary below will only list direct ways to exploit the privilege to obtain an admin session or read sensitive files.\\
| **`SeAssignPrimaryToken`** | _**Admin**_ | 3rd party tool | _"It would allow a user to impersonate tokens and privesc to nt system using tools such as potato.exe, rottenpotato.exe and juicypotato.exe"_ | Thank you [Aurélien Chalot](https://twitter.com/Defte\_) for the update. I will try to re-phrase it to something more recipe-like soon. |
| **`SeBackup`** | **Threat** | _**Built-in commands**_ | Read sensitve files with `robocopy /b` | <p>- May be more interesting if you can read %WINDIR%\MEMORY.DMP<br><br>- <code>SeBackupPrivilege</code> (and robocopy) is not helpful when it comes to open files.<br><br>- Robocopy requires both SeBackup and SeRestore to work with /b parameter.</p> |
| **`SeCreateToken`** | _**Admin**_ | 3rd party tool | Create arbitrary token including local admin rights with `NtCreateToken`. | |
| **`SeDebug`** | _**Admin**_ | **PowerShell** | Duplicate the `lsass.exe` token. | Script to be found at [FuzzySecurity](https://github.com/FuzzySecurity/PowerShell-Suite/blob/master/Conjure-LSASS.ps1) |
| **`SeLoadDriver`** | _**Admin**_ | 3rd party tool | <p>1. Load buggy kernel driver such as <code>szkg64.sys</code><br>2. Exploit the driver vulnerability<br><br>Alternatively, the privilege may be used to unload security-related drivers with <code>ftlMC</code> builtin command. i.e.: <code>fltMC sysmondrv</code></p> | <p>1. The <code>szkg64</code> vulnerability is listed as <ahref="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15732">CVE-2018-15732</a><br>2. The <code>szkg64</code><ahref="https://www.greyhathacker.net/?p=1025">exploit code</a> was created by <ahref="https://twitter.com/parvezghh">Parvez Anwar</a></p> |
| **`SeRestore`** | _**Admin**_ | **PowerShell** | <p>1. Launch PowerShell/ISE with the SeRestore privilege present.<br>2. Enable the privilege with <ahref="https://github.com/gtworek/PSBits/blob/master/Misc/EnableSeRestorePrivilege.ps1">Enable-SeRestorePrivilege</a>).<br>3. Rename utilman.exe to utilman.old<br>4. Rename cmd.exe to utilman.exe<br>5. Lock the console and press Win+U</p> | <p>Attack may be detected by some AV software.</p><p>Alternative method relies on replacing service binaries stored in "Program Files" using the same privilege</p> |
| **`SeTakeOwnership`** | _**Admin**_ | _**Built-in commands**_ | <p>1. <code>takeown.exe /f "%windir%\system32"</code><br>2. <code>icalcs.exe "%windir%\system32" /grant "%username%":F</code><br>3. Rename cmd.exe to utilman.exe<br>4. Lock the console and press Win+U</p> | <p>Attack may be detected by some AV software.</p><p>Alternative method relies on replacing service binaries stored in "Program Files" using the same privilege.</p> |
| **`SeTcb`** | _**Admin**_ | 3rd party tool | <p>Manipulate tokens to have local admin rights included. May require SeImpersonate.</p><p>To be verified.</p> | |
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