(Perspective Z aiming and some memory functions have always been common vulnerabilities in FPS games around the world, which are often used by criminals to carry out various illegal transactions in the "industry". As a security practitioner, it is particularly important to understand its principle and implementation method. Although there are some related tutorials on the market, they are not very good because of problems such as service, knowledge point construction and thinking logic, so we specially set up this set of courses to make everyone feel comfortable!)