source: http://www.securityfocus.com/bid/1128/info

Sending malformed packets to port 7070 will cause Real Server to stop responding. Restarting the server will be required in order to re-establish normal functionality. 

https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/19856-1.exe

https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/19856-2.zip