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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.玉米浑身一颤。鲜血滴滴答答，敲打着所有的人心头，项羽周身萦绕着一股浓重的狂霸之气，让士卒们赶到压抑和臣服。Episode 18男子微微皱眉，叹了口气，冲小妾道：军事为先，改日再陪你。冰雪女王弗雷亚（艾米莉·布朗特 Emily Blunt 饰）本性温柔善良，却因为痛失爱女的绝望而变得残暴和疯狂，她和邪恶的姐姐瑞文娜（查理兹·塞隆 Charlize Theron 饰）一起建立了寒冷彻骨的冰雪王国，利用冷酷和无情的规则维持她们的统治，更立下了不许相爱的规矩，违者将要受到可怕的惩罚。