심심해서 적어보는 ReverseMe ! 풀이 [2]

ReverseMe.zip

C 언어로 전부 해석했으니 참고 ' ' ;

#include <windows.h>  #define ERROR_TITLE "Key File ReverseMe"  void main(void){      // GetModuleHandleA, LoadIconA, LoadCursor 생략      HANDLE                hFile;      BYTE                    buffer[70];      DWORD                 rCnt = 0;      DWORD                 pbuf,Cnt;       hFile = CreateFileA("Keyfile.dat",0xC0000000,0x03,0x00,0x03,0x05B9E0B9,0x00);      if ( hFile == INVALID_HANDLE_VALUE ){           MessageBoxA( NULL,                                  "Evaluation period out of date. Purchase new license",                                   ERROR_TITLE,                                   0x00 );            ExitProcess(0);            return;      }      if ( !ReadFile(hFile,buffer,0x46,&rCnt,NULL) )           goto INCORRECT_VALUE;     pbuf = Cnt = 0;      if ( rCnt < 0x10 )           goto INCORRECT_VALUE;      while(TRUE){           if ( buffer[pbuf] == 0 )                break;           else if ( buffer[pbuf] == 0x47 )                Cnt++;           pbuf++;      }      if ( Cnt < 0x08 )          goto INCORRECT_VALUE;      MessageBoxA(NULL,"You really did it! Cngratz !!!",ERROR_TITLE,0x00);      ExitProcess(0);      return; INCORRECT_VALUE:      MessageBoxA(NULL,"Keyfile is not valid. Sorry.",ERROR_TITLE,0x00);      ExitProcess(0);      return;  }