Sup guys , i would like to know what effect and how to do set up the effect that has a white glow effect that moves around in the first 50 sec. of this video YouTube - Annihilation - Counter-Strike Movie Part 1 i tried so many effects and i cant find the right effect that does whats in the video.

Can u guys please try to answer this question as fast as possible becouse im in a rush to finish a movie im working on.