چالش Vault¶

$ file challenge0
challenge0: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=050a91a2a787ea9b21439b9cae80e47848c472f7, for GNU/Linux 3.2.0, not stripped

_DWORD ascii_values_1[26] = {105, 99, 116, 102, 123, 119, 101, 108, 99, 48, 109, 101, 95, 116, 48, 95, 114, 101, 118, 51, 114, 115, 49, 110, 103, 125 };
_BYTE flagArray_0[32];

_BYTE *flag()
{
  int i;
  for ( i = 0; i < 26; ++i )
    flagArray_0[i] = ascii_values_1[i];
  flagArray_0[26] = 0;
  return flagArray_0;
}

int __fastcall main(int argc, const char **argv, const char **envp)
{
  const char *v3;
  const char *v4;
  char s1[112];
  printf("Enter the secret code: ");
  __isoc99_scanf("%99s", s1);
  v3 = flag();
  if ( !strcmp(s1, v3) )
  {
    puts("Access Granted!");
    v4 = flag();
    puts(v4);
  }
  else
  {
    puts("Access Denied!");
  }
  return 0;
}

a = [105, 99, 116, 102, 123, 119, 101, 108, 99, 48, 109, 101, 95, 116, 48, 
     95, 114, 101, 118, 51, 114, 115, 49, 110, 103, 125]
print(''.join(map(chr, a)))