1.查壳无壳 64位2.IDA静态分析main:int __cdecl main(int argc, const char **argv, const char **envp) { int i; // [rsp+2Ch] [rbp-124h] char __b[264]; // [rsp+40h] [rbp-110h] BYREF memset(__b, 0, 0x100uLL); printf("Input your flag:\n"); get_line(__b, 256LL); if ( strlen(__b) != 33 ) // flag长度为33 goto LABEL_7; for ( i = 1; i < 33; ++i ) __b[i] ^= __b[i - 1]; if ( !strncmp(__b, global, 0x21uLL) ) printf("Success"); else LABEL_7: prin
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