[GWCTF 2019]re3 关键点:AES MD5 动态调试 smc自解密 gdb使用 跟进main函数 发现一个典型smc异或自解密 可以用idc脚本 或者python patch 或者动态调试查看逻辑 a = [0xCC,0xD1,0x10,0x7C,0xD1,0x18,0x75,0x69,0x99,0x99,0x99,0xD1,0x10,0x24,0x81,0x66,0x66,0x66,0xFD,0xD1,0x12,0x9D,0xBC,0xB1,0x99,0x99,0x99,0xD1,…