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放心，这件事不违侠义之道。刑警周行即将和女朋友陈凯欣求婚的前夕，在警局接获了一起凶杀案的通报。周行赶到山区当场逮捕杀人犯李子建，并发现死者正是陈凯欣。周行强忍震惊与悲痛，与警校的学弟王御泽联手追凶，却发现陈凯欣竟是自愿让李子建杀了她。陈凯欣究竟是自杀还是他杀？就在案件陷入焦灼时，来认尸的家属却告知死者不是陈凯欣，而是一位名叫林静的女子，但没人知道林静为何要冒充陈凯欣。渴望得知真相的周行决定挺身而出，揭开林静留下的重重谜团。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.Yard板栗见她这副模样，以为她笑自己，便认真道：菡儿，我真的好想跟你在一起呢。Is IT a low-paid technical job?