這道題看了很多大佬wp才勉強會做。。。
下載後ida開啟，找到關鍵程式碼
`int __usercall wmain@(int a1@)
{
FILE *v1; // eax
FILE *v2; // eax
char v4; // [esp+3h] [ebp-405h]
char v5; // [esp+4h] [ebp-404h]
char v6; // [esp+5h] [ebp-403h]
char v7; // [esp+104h] [ebp-304h]
char v8; // [esp+105h] [ebp-303h]
char v9; // [esp+204h] [ebp-204h]
char v10; // [esp+205h] [ebp-203h]
char v11; // [esp+304h] [ebp-104h]
char v12; // [esp+305h] [ebp-103h]

printf("Come one! Crack Me~~~\n");
v11 = 0;
memset(&v12, 0, 0xFFu);
v9 = 0;
memset(&v10, 0, 0xFFu);
while ( 1 )
{
do
{
do
{
printf("user(6-16 letters or numbers)