It would take an inordinate amount of time for a person to build something like ProjectSauron, but after reading the link, it uses a wide range of publicly-know

It would take an inordinate amount of time for a person to build something like ProjectSauron, but after reading the link, it uses a wide range of publicly-known techniques (windows key loggers, password filters, DNS/ICMP exfil, named pipes, etc etc). This software seems to do a good job at amalgamating a wide range of methods.