Character sequences that reprogram specific keys on the keyboard.
In the hacking culture, there is a strong belief in anarchy, that laws should not be created for cyberspace nor can they be enforced without grievous infringement on civil liberties. Such views are not widely shared by the general public or by governments. Anarchy documents often focus on the overthrow of systems, small or large. Any trojan that does not cause damage other than to annoy a user, such as by turning the text on the screen upside down, or making mouse motions eratic. This is really a program, but it appears to the user as a .jpg file, so they will simply open it, not realizing it is program.