-
-
[原创]本人原创CRACKME系列 难度由0--9，看你属于哪一级？ （更新CRACKME 7的程序实现，附源码）
-
发表于: 2009-7-20 17:26
-
|
|
|---|---|
|
|
|
|
|
|
|
|
顶一个先，慢慢再看
|
|
|
|
|
|
|
|
|
|
|
|
crackme 4的注册机, 可能还有些问题，大概是这个感觉吧
typedef char* (__stdcall *GETMD5STR)(char *); void pass4(char *s) { __int64 serial; __int64 product; long cpuinfo[4]; unsigned long low, high; product = (s[0]*s[1]*s[2] * 2); __asm { pushad mov eax, 1 cpuid lea edi, cpuinfo mov [edi], edx mov [edi+4], eax mov eax, 3 cpuid mov [edi+8], edx mov [edi+0xc], ecx popad } high = 0; low = cpuinfo[0] ^ cpuinfo[1]^ cpuinfo[2] ^ cpuinfo[3]; char buf[16]; low = low | (product & 0xffffffff); itoa(low, buf, 16); HMODULE hModule = LoadLibraryA("Reg.dll"); GETMD5STR func = (GETMD5STR)GetProcAddress(hModule, "GetMD5Str"); const char* code = (*func)(buf); long md5[4]; for (int i = 0; i < 4; i ++) sscanf(code+i*8, "%08x", &md5[i]); long serial_low = md5[0] ^ md5[1]^ md5[2] ^ md5[3]; printf("serial number: %u\n", serial_low); } |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 本人较菜，才搞定一个。  Name:IndolentAfternoon SN:5687255 |
|
|
|
|
|
|
|
|
|
|
|
好贴留名
|
|
|
|
