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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.可是现在一睁眼，看到了确实一支规模强大的骑兵军团还是相当惊讶的。那行。"QQ" contacts family members and customers, separating work and life.杨长帆挠头笑道，你们比我辛苦。戈登·拉姆齐与国家地理频道合作的六集美食纪录片《戈登·拉姆齐：美食秘境》(Gordon Ramsay: Uncharted)正式定档，戈登·拉姆齐来到阿拉斯加、老挝、摩洛哥、新西兰、夏威夷、秘鲁等国进行美食探寻，于7月21日播出首集。These weapons are powerful and cruel, just like the weapons that the National Security Agency wants. Of course, the US National Security Agency does not intend to end the matter. As Ben Oni lamented to the New York Times, "If you can't catch it, it will happen under our eyes."