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It is found that many beginners of design patterns have some characteristics, that is, after learning a certain design pattern, they seem to understand it, but they do not know how to use these so-called elite experiences and suffer from not knowing how to start. When I first learned design patterns, I had similar experiences. I shared my experiences, hoping to be helpful to beginners.Figure 1 is an example of a JOP attack. In this example, the attacker's aim is to execute a system call "int 0x80" to open a new command line window. To do this, an attacker needs to modify the contents of the eax register to "0x0000000b" and the ebx register to the string "/bin/sh" before "int 0x80" is called, and the ecx and edx registers must point to the value "0x00000000". Suppose the value "0x0000000" and the string "/bin/sh" can be found in memory when the program is running. An attacker needs to construct the value "0x0000000b" himself. However, for the value "0x0000000b", when an attacker saves data to the stack through a buffer overflow, the "0x00" byte will trigger the system to terminate the read operation. This example specifically describes how the attacker uses the existing code snippet in the program to modify the value of val pushed into the stack by the attacker step by step from "0xffffff0b" to the value required by the system call "0x0000000b", thus implementing JOP attack. The following are the detailed steps of the process.马跃的妻子莉莉被绑架，龙卫三人在公安部门的协助下，抓捕了罪魁祸首，但莉莉已经被转移出境，交给了T国联络人。龙卫三人意识到这极有可能是黑狐的报复！T国发生示威游行，呼吁前总统坤恩重新执政。其实，真正的坤恩早已被黑狐软禁。黑狐是TM国际恐怖组织的一员，一直以来冒充坤恩，伺机夺取政权，骗取巨大的财富和权力。黑狐手下有一只精干的武装力量，其头目“獠牙”假扮记者告知雅塔，坤恩先生已经被救出。雅塔踏上寻父行程，发现中了圈套。龙卫三人赶赴T国，再次联手雅塔，潜入TM组织的秘密基地，与黑狐獠牙正面交锋！9-10 Import Restaurant Class: Store the latest Restaurant class in a module. In another file, import the Restaurant class, create an instance of Restaurant, and call a method of Restaurant to confirm that the import statement is correct. ?　　魔乳家代代相传的秘传书被窃了，小偷不是别人，正是家族继承人千房本人。一石激起千层浪，在利用秘传书帮助广大女性的同时，千房还要面对从各路聚集而来的，对秘传书心怀不轨的忍者刺客。同时，魔乳家族也部下了天罗地网，誓要捕获她这个叛逃者。1-2 Attacks 1-1 1-2 Survives, but Becomes 1-1 Monster;《小时代》由郭敬明的同名小说改编而成，故事以经济飞速发展的上海这座风光而时尚的城市为背景，讲述了林萧、南湘、顾里、唐宛如这四个从小感情深厚、有着不同价值观和人生观的女生，先后所经历的友情、爱情，乃至亲情的巨大转变，是当下年轻人生活一个侧面的真实写照。 　　故事开始，林萧、顾里、南湘、唐宛如上了大学，如高中一样，继续着彼此深厚的友谊，后来在彼此接触现实生活后，在某些地方发生了蜕变和成长的痕迹，各自的男朋友也与其他人发生了各种复杂的关系和故事，导致许多误会与嫉妒，继续过着不理解，吵架，和好的生活。但是一切都在变化着，周遭环境的变化也在改变着他们的人生价值观。这是一个梦想闪耀的时代，这也是一个理想冷却的时代；这是最坏的时代，这也是最好的时代，这是我们的小时代。