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Locke XFigure 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.陆亚南、陈羽静、何美芬、潘嘉辉从医学院毕业，进入安然医院。紧张的工作和频发的意外使他们对医生有了理解深刻。医院泌尿外科主任肖克明成熟冷静，谨慎小心，副主任钟立伟玩世不恭，正直张扬。两人性格迥异，在生活与工作方式、年轻医生的培养等问题上冲突频发。患者李中天离奇死亡，给陆亚南留下了巨额遗产，陆亚南被李中天的儿子纠缠不休。无良律师雷震拿何美芬打赌，欺骗何美芬感情。一个精心策划的骗局和陷阱，何美芬勇敢面对。陈羽静因一次患者家属没有签字的手术而被告上法庭。陈羽静不服判决结果，顶着被医院停职的压力坚持上诉。不法分子魏德豪利用安然医院谋取不义之财，潜伏在医院内部的神秘人虎视眈眈，肖克明和钟立伟从误解到联手，为了医院和医生的名誉和清白，忍受委屈，经曲折调查，真相最终大白。医生们迎来了一个灿烂美好的明天。Since ancient times, Qingyuan Mountain has been famous for its 36 caves and 18 scenic spots, especially Laojun Rock, Qianshou Rock, Mituo Rock, Bixiao Rock, Ruixiang Rock, Huruquan, Nantai Rock, Qingyuan Cave and Cien Rock. Among them, six Qingyuan rock statues in Song and Yuan Dynasties, represented by Laojun Rock, are listed as national cultural relics protection units.临去时，也要留个誓言：从此后，凡我白虎侯府和玄武王府的人，永不再踏进如意楼一步。范文轩说道：所以说他们之间是完全有合作基础的，而且完全有合作的可能。《战毒》这部剧主要讲诉了三兄弟面对枪林弹雨，友情和正义盘根错节，兄弟三人深陷其中，上演“无间道”式友情，最后一起伸张正义的故事。