There are plenty google around . Few are here

http://www.malware-traffic-analysis.net/index.html

http://bit.ly/crimesamples

http://bit.ly/aptpcaps

http://contagiodump.blogspot.in/

you can also use Kyoto 2006+ data set from following link:

http://www.takakura.com/Kyoto_data/

Dear BB Gupta, DARPA dataset is the raw format of KDDCUP 99 dataset

...try this one (2015)

http://icsdweb.aegean.gr/awid/

u can down load kyoto data set