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4. Concluding remarksFigure 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.Four fairies费了好半天的功夫，好不容易才让韩信没有参与三国联合，避免与齐军作战。乐观元气少女俞鹿希，以成为配音声优为人生最终梦想而不断努力，意外的发现自己的上司林楠，竟然是崇拜了多年的配音偶像大神麦大。俞鹿希拜林楠为师，两人携手并进，共同在声音的世界游历，在俞鹿希的不断进步中，也逐渐发现林楠当年不为人知的秘密，两人敞开心扉情感渐近。当俞鹿希获得成功，拥有爱情和事业之时，俞父的阿尔兹海默症让她备受打击，她用声音收获了爱情，也用声音唤回了对亲情的记忆。《庸俗一族》的原作是由小山由加利在Kiss上连载的同名漫画。描写了从平民家庭嫁到上流社会一族的筱原佐都，被不讲理的惯例和亲属间复杂的人际关系所玩弄，与丈夫一起奋斗的故事。