Methods, apparati and computer readable media for countering malicious code infections that spread from a first computer to a second computer. A searching module (51) searches for a communications module (20) within the first computer (1(1)). An examining module (52) examines a function location directory (27) within the communications module (20). A locating module (53) locates a send function within the function location directory (27). A declaring module (54) declares the presence of malicious code when the function location directory (27) states that the send function is slated to start executing at a non-normal location.