注册机在这里 (1千字)
先更正一个笔误:程序将用户名转化为22xxxx.Never.22(其中“.”为ASCII码0x0d,xxxx为用户名)。在004CBC22 处设断点,中断后,下命令“w 5314D4 l 400 c:\table.bin”dump出它的加密表。(因为我懒得自己输入,呵呵……)
下面代码编译后,将生成的exe文件和table.bin放在同一目录下,即可。
#include <io.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
unsigned long Table[256];
char Never[]={0x0d,'N','e','v','e','r',0x0d,'2','2',0};
char Name[255];
char YourName[40];
int main(int argc, char* argv[])
{
unsigned long eax,edi,edx;
FILE *fp;
fp = fopen(".\\table.bin","rb");
if (fp==NULL)
return 0;
fread(Table,sizeof(unsigned long),256,fp);
fclose(fp);
printf("Wrtie By leo_cyl\n");
printf("input your name :");
scanf("%s",YourName);
Name[0]=Name[1]='2';
int len = strlen(YourName);
for (int i=0;i<len;i++)
Name[i+2]=YourName[i];
for(i=0;i<strlen(Never);i++)
Name[len+2+i]=Never[i];
Name[len+2+i]=0;
eax=0xffffffff;
for(i=0;i<strlen(Name);i++) {
edx=0;
edi=eax;
edi=edi&0xff;
edx = (unsigned long)Name[i];
edx=edx^edi;
eax=eax>>8;
edx=Table[edx];
eax=eax^edx;
}
eax=~eax;
printf("Key= %u\n",eax);
return 0;
}
