国精产品视频一二二区视

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.As mentioned above, we can see the benefits of writing form verification code using policy mode. We have completed the validation of a form by adding configuration. In this way, the code can be used as a component and can be called at any time. When modifying the form verification rules, it is also very convenient and can be called by passing parameters. Nadia 害怕遇到她儿时的恋人 Haniff，因为害怕在他的面前失去了吸引力。 相反，她说服她的好朋友 Kejora 假装是她。可能是不同人说话的音调语气不一样，徐风是真的觉得他念自己的名字很好听。The fairest thing in modern society is that the learning threshold is low and the learning opportunities are common. It is the best way to rise, and it is also the elevator for beautiful women to take shortcuts to squeeze into the upper class.三个年轻人为了让他们的冒险频道增加更多的人气，去神秘的城市卡萨布兰卡旅行，却没有意识到它隐藏了一个可怕的秘密。