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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.田遥期盼地看着她，等诊脉完毕，赶紧问道：如何？秦淼蹙眉道：这病麻烦的很……田遥忙道：可能治？秦淼注视着素谨半响，才摇头道：极难根治。3. In the pop-up "Environment Variable" window, click the "New" button below to create a new environment variable named "JAVA_HOME" in the pop-up "New System Variable" window. The variable value is the installation path of Java, and I am: D:\ project\ tool\ Java\ jdk_9. 0.1. As shown in the figure.肖亮感觉一股闷气憋在胸口，想要发泄却发泄不出。好半响，才道：我也就是随便说说，我不还送了些布料给大嫂带回去了么。都市女孩顾阡陌受到弟弟顾廖乐和男友梁宇涵的影响，加入到“考碗族”的队伍当中，期盼用公考来赢取自己幸福的未来。在备战公考的日子里，她眼看男友无所不用其极，攀上刘梦洁的高官母亲，两人的感情渐行渐远。与此同时，家境优越的骆晓春因一场车祸出现在阡陌的生活里，他的默默守候让阡陌大为感动。经历了男友的背叛、母亲的获救、弟弟的成长等一系列精神洗礼后，阡陌终于明白做任何事都需要强烈的责任感和为人民服务的意识。对于考碗，她更多了一份自我审视，反复自问：为人民服务，你准备好了吗？通过努力，她成为了人民服务的好公务员，并收获了自己所期待的幸福：与一直温情守候在自己身边的骆晓春走在了一起。七仙女落户人间，和夫君董永一起过着幸福美满的生活。但她的行为触犯了神圣的天条，王母在众神的压力下抓回七仙女，准备治罪。董永爱妻心切，在表哥鱼日的帮助下，闯上天庭，但面对的是王母的责难和失去仙骨而虚弱不堪的妻子，夫妻发誓要白头偕老，恩爱一生，王母拿他们毫无办法，而这缠绵的爱情却震动了每一位仙女的心灵。夫妻返回人间，七仙女在大姐和五姐的帮助下纺纱织布。但意外发生了，姐妹们往返于人间、天庭，逐渐对人产生了好感，大姐和四姐先后爱上了食神和鱼日。为了严肃天庭法规，王母不得不惩罚了食神和大姐，仙女们与母亲的对抗逐渐升级了。