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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.刘井儿看着红椒，嘴边漾起一抹笑容，慢慢扩大，最后满脸都是笑。5 yuan Face Value Birthday BanknoteYou change Macro1A=12 + to Macro1A=d, df, f, df, d, db, b3 and save it明朝天启四年，广元地区连年饥荒。户部侍郎卓继贤奉太子之命运送粮草前往灾区，行至玉龙山时，被明月城城主练霓裳（马苏饰）连人带粮一道劫走。卓继贤的儿子、武当首徒卓一航（吴奇隆饰）即刻下山救父，由此卷入了太子、魏忠贤和练霓裳的斗争中。卓一航与练霓裳由误会开始，经历一番风波后，彼此吸引，两人进而相恋。然而之后为解练霓裳身上的情毒，卓一航只得假意与其反目，练霓裳误以为他绝情如此，一夜之间青丝尽白。为了恢复白发魔女的头发和容貌，卓一航前往天山寻找练霓裳和传说中的优昙仙花。卓一航痴候数十年后，优昙仙花将要开放心中。《决定分手的瞬间》以离别为主题的网剧，展现大家能产生共鸣的离别瞬间。替白虎将军和宁静郡主赐婚，造成几家困扰。