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We know that in x64, the first six parameters of the function are stored in RDI, RSI, RDX, RCX, R8 and R9 registers in turn. If there are more parameters, they will be stored on the stack. Therefore, in order for the computer to run the commands we want, we need to find a way to put the address of "/bin/sh" into RDI so that the machine can execute the system function. After carefully examining the linux function stack structure, we can find that we can use RAX register to put the system () address into RAX, then look for code fragments with JMP rax to make use of, and at the same time use RDI register to pass the parameter "/bin/sh" to finally achieve the attack purpose.召唤她的是住在神保町的破公寓里有点黑的心的女大学生“花园百合”。　　巩凡被指派负责性情顽劣的老病号陈佳子，细心的巩凡了解到陈佳子因为父母瞒着她离异的事情Here are a few columns to illustrate the benefits of the responsibility chain:不料金二也在另一边听见，也动了手。L the earliest and larger Mazu Temple in existence along the southeast coast of our country!民国，察哈尔地区，张家口最大商号之一“鼎兆通”桀骜不驯的少东家秦天义，这一天正坐于日本商会大和洋行的会馆院中，当着日本商会会长渡边正雄的面，光明正大地击毙了两名杀害自家驼夫的日本浪人。从此一切便变得一发不可收拾，渡边正雄更加加紧了对察哈尔地区的秘密经济侵略行动。在与外侵势力斗争过程中，秦天义被冤入狱，屡次死里逃生。兄弟与爱人之间的情感纠葛，竟翻出了秦家的一个惊天秘密，也正因为此，兄弟之间反目成仇，日本人趁机一夜之间血洗秦家，秦天义决意复仇…在他发现了日本人在察哈尔地区的真正意图之后，他坚定了报此家仇的决心，作为一名中国人，他更加坚定了报此国恨的决心，誓死要把日本人赶出去！这是一场爱恨情仇纠缠不清的家族争斗，这是一出云谲波诡悬念迭起的复仇迷局，这是一曲感天动地的浩然正歌。义道，正义之道，忠义之道，情义之道，又为本剧主人公秦天义之道路之意。家人，兄弟，爱人以及脚下的这片土地。这是他们要去誓死保卫的东西。