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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.这样的决策很被动，但没有办法，因为全杭州也没有一个人能搞清楚这是怎么回事，王本固擒汪直，超乎了所有人的预料，也超过了所有人的权限。《甜蜜的秘密》讲述了开朗坚强的妈妈和对外冷酷的挑剔男人之间互相抚平伤口，领悟到真正爱情和亲情。该剧细腻剖析了想要工作、家庭并重的职业女性的生活点滴。注：第一集两集连播，总计26集北方某城市一伙劫匪公然光天化日之下持枪强枪银行运钞车、劫走巨款、打死打伤运钞员劫案发生举城震惊刑警队长洪毅和战友们根据现场留下线索、明察暗访费尽周折终于电视台女导演赵安娜帮助下找到了案犯踪迹原来这个制造惊天大案主犯正洪毅部队生死战友文德良于这对昔日战友正义与邪恶搏杀中展开了一场生死之战洪毅率刑警队追踪并击毙文德良弟弟案犯文德华并得到文德良妻子何晶举报后包围了正要逃窜文德良穷凶极恶文德良则乘机劫持洪毅爱女娟娟面对生死亲情考验洪毅和战友舍生忘死、义无反顾将文德良为首凶犯一举歼灭捍卫了金盾尊严……本片根据中村光的同名漫画改编。到底将这个东西送给谁？或许不想让西楚国南部边疆受到威胁。