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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.张良一抬头正好看见尹将军一闪而没的眼神，起身出帐。　　一次一次对立的任务，让他们慢慢的了解对方，慢慢的欣赏对方，各自在完成任务的同时，也在进行着相互策反。Imagine that this scarf should be a good accessory in autumn and winter, so keep one for yourself first.转瞬之间，心意已决——要么让你，要么干你。田清明也火了：还说什么？你一个大男人，跟郑青木两人还不能料理此事？就算不能料理，还有你父亲，你岳父，岂容一个妇道人家在此指手画脚？洪霖见两位夫子都急眼了，微翘了下嘴角，心道这妇人还真是有趣，全分不清好赖，这下可热闹了。靠耍小聪明替人出头的小混混戴小龙为了给重病的母亲筹集医疗费，不得不接下一单极具挑战性的困难任务：以卧底的身份潜入一所学校的喜剧班进行秘密破坏行动。然而在社会上游刃有余的戴小龙来到学校却屡遭碰壁，一群不按套路出牌的同学和一个特立独行的老师让戴小龙陷入了意料之外的囧境，戴小龙的任务迟迟没有完成。在与同学们的朝夕相处中，戴小龙渐渐被他们的真诚打动。最终，他放弃了对喜剧班的破坏行动，也重新选择了自己的人生方向……