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For the convenience of the experiment, we directly use the functions in libc.so.6 as the attack functions to be executed. This is a C program runtime in Linux, which holds a large number of available functions and contains system ("/bin/sh"). Therefore, we can use ROPgadget tool to obtain the code fragments that we can exploit, and use pwntool to exploit the vulnerabilities of vulnerable programs, thus achieving our attack purpose, that is, running system ("/bin/sh"). In order to facilitate the subsequent use of ROPgadget tool to find gadget and attack, it is necessary to copy the libc.so.6 file to the operation directory. First, use the "ldd" command to view the source directory, and then use the "cp" command to copy it to the operation directory.An electrical connection between conductive patterns that penetrate each layer of a printed board with metallized holes.4. After opening the WeChat application, two WeChat icons will appear on the desktop of the mobile phone.宫中太监宫女侍卫，见了这对父子和锃亮的光头都是远远避开指指点点，曾经的傻大个也被冠上了各类圣明，壮硕如山，龙王之相云云。Recommended methods: 1. Wear burning attack lifting equipmentAs there was a baby boy in the B-ultrasound film, she decided to find a pregnant woman with a baby boy who was about to give birth and take the baby by Caesarean section in order not to be exposed.