‘Booter shells’ or plain ‘booters’ are simple PHP,.ASP or Perl script template files planted on compromised servers to direct Get/Post commanded HTTP floods to overload target servers. Many scripts are now available on the hacking underground and even Pastebin and no cost including several leading contenders – Greenshell, nBot and DeLiRiUm’s DoS.ASP script – deconstructed some detail by Prolexic. The company recently cautioned on the sudden rise in DDoS attacks directed against the financial services sector.”]