Botnet & DDos Attack Testing

Hi, we need to test our new Firewall for Botnet and DDos Attack. we are looking for testers for our project. we will pay 15 $ for 1 hour. minumum 5 hours in a day we will test. if you have very good botnet source ( minumum 1 gbit ) please contact me test period is minumum : 5 days thanks