Security researchers managed to recreate some of the products listed in the Advanced Network Technology (ANT) catalog of the NSA using electronic common components. A team of researchers led by Michael Ossmann of Great Scott Gadgets invested some time and effort to build two products similar in functionality to the Surlyspawn keystroke logger and Ragemaster. Both of them are retro-reflector systems in the NSAs catalog and their purpose is over-the-air surveillance. Surlyspawn is desig…