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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.There is also a sense of belonging that cannot be found in Huang Weiping. Huang Weiping grew up with his parents in a refining and chemical factory. In that kind of state-owned enterprise unit, everyone was regulated into a very simple logic. Workers had a strong sense of belonging. It was difficult to accept hypocrisy, deception and injustice and stepped into society. Huang Weiping was not used to it. In the society formed by the business logic of "always looking up with eyes", he felt very lonely.至于天启的身份，暂时保密，留下悬念。两人虽有情谊，关系甚好，却是非亲非故，想来应该不会受到牵连。可是古龙后期却没有多少精品。This article was originally written by 52PK, please indicate the source for reprinting!Representative occupations: Male and Female Qigong, Lightsaber Sword Soul, Magic Way, Male and Female Ammunition, Golden Body, etc.