Sqlninja is a tool targeted to exploit SQL Injection vulnerabilities on a web application that uses Microsoft SQL Server as its back-end. Its main goal is to provide a remote shell on the vulnerable DB server, even in a very hostile environment. It should be used by penetration testers to help and automate the process of taking over a DB Server when a SQL Injection vulnerability has been discovered.
It is written in perl and so far has been successfully tested on:
- Linux
- FreeBSD
- Mac OS X
Features
- Fingerprint of the remote SQL Server (version, user performing the queries, user privileges, xp_cmdshell availability, DB authentication mode)
- Bruteforce of ’sa’ password (in 2 flavors: dictionary-based and incremental)
- Privilege escalation to sysadmin group if ’sa’ password has been found
- Creation of a custom xp_cmdshell if the original one has been removed
- Upload of netcat (or any other executable) using only normal HTTP requests (no FTP/TFTP needed)
- TCP/UDP portscan from the target SQL Server to the attacking machine, in order to find a port that is allowed by the firewall of the target network and use it for a reverse shell
- Direct and reverse bindshell, both TCP and UDP
- DNS-tunneled pseudo-shell, when no TCP/UDP ports are available for a direct/reverse shell, but the DB server can resolve external hostnames (check the documentation for details about how this works)
What’s New
- A new flavor of bruteforce attack, performed remotely on the target DB Server by using its own CPU resources (use it with caution !)
- Detection of the authentication mode (mixed or Windows-only), which is useful to understand whether the bruteforce attack to the ’sa’ account can succeed or not
- Documentation is now in HTML format, which should make things much easier for new users
- Several bugfixes and minor improvements
You can download sqlninja 0.2.1-r1 here:
Or read more here.
