It's completely hardcoded. You'll first need to base the aura on something else (ranged units can never get the aura buff of VA). Then trigger the whole thing.
Finally finding about some of the bots that are flooding the users online - bytespider apparently is a huge offender here - ignores robots.txt and comes in from a ton of different IPs
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.