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DASCTF2022七月赋能赛 MyCanary2
Analyse sub_4012B6() unsigned int sub_4012B6() { int v0; // eax int fd; // [rsp+Ch] [rbp-4h] setbuf(stdin, 0LL); setbuf(stdout, 0LL); setbuf(stderr, 0LL); fd = open("/dev/urandom", 0); if ( fd == -1 ) { printf("can�