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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.一声巨响，一条火龙从井底喷出……1976年，唐山一带出现了罕见的地质异常现象，国家地震局为了保证地震检测的准确，派有经验的周海光赶赴唐山，任唐山市地震台台长。周海光与地震局同事超凡去防空洞里勘测，使周海光意想不到的是，洞里不仅气温升高，而且成群的老鼠不停的乱窜。更为严重的是洞内不断有墙壁裂开，且喷出伴有硫磺气味的黄白色的气体，随后，一声震天巨响，周海光立即向市委、市政府作了报告。水位的升高、鱼类的死亡、老鼠的迁徙，尤其是煤矿井下出现了地热喷涌等一系列现象说明大地震即将爆发。周海光在向市政府汇报同时，向全市发出了地震临震警报。然而唐山并没有地震，而是河北大城地区发生了4.2级的地震。这次的误报，使周海光受到了极大的压力。= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =杜殇看到之后，心中一笑，看来这一趟并没有来错。大苞谷不服气地说道：二姐怎能这样泄气呢？做人得有志气……刘井儿笑道：任你有天大的志气，指挥一场大的战役，那得方方面面都要考虑到。　　财神总管召集众财神开会，凡间近年多灾多难，正所谓“人间有难，天上有爱”，财神们除了送钱，还要把爱心散播凡间。因今年是非常时期，财神总管也决定亲自上阵，带“如、意、吉、祥”下凡派钱，众财神们向人间进发。