source

int __cdecl main(int argc, const char **argv, const char **envp)
{
  signed __int64 v3; // rcx@2
  int *v4; // rdi@2
  int result; // eax@11
  __int64 v6; // rbx@11
  FILE *stream; // [sp+18h] [bp-D8h]@1
  int v8; // [sp+20h] [bp-D0h]@2
  int v9; // [sp+24h] [bp-CCh]@5
  int v10; // [sp+34h] [bp-BCh]@5
  __int64 v11; // [sp+38h] [bp-B8h]@5
  int v12; // [sp+48h] [bp-A8h]@5
  char s; // [sp+50h] [bp-A0h]@2
  __int64 v14; // [sp+D8h] [bp-18h]@1

  v14 = *MK_FP(__FS__, 40LL);
  stream = fopen("flag.txt", "r");
  if ( stream )
  {
    fgets(&s, 32, stream);
    fclose(stream);
    v3 = 5LL;
    v4 = &v8;
    while ( v3 )
    {
      *(_QWORD *)v4 = 0LL;
      v4 += 2;
      --v3;
    }
    *v4 = 0;
    v8 = 17;
    v10 = 16;
    v12 = 0;
    printf("User : ", 32LL, v4 + 1, argv);
    fflush(0LL);
    read(0, &v9, v8);
    printf("Password : ", &v9);
    fflush(0LL);
    read(0, &v11, v10);
    if ( !strncmp((const char *)&v9, "charly", 6uLL) && !strncmp((const char *)&v11, "h4ckTH1s", 8uLL) )
    {
      puts("Welcome guest!");
      if ( v12 == 1 )
        printf("Your flag is : %s\n", &s);
    }
  }
  else
  {
    puts("Error leyendo datos");
  }
  result = 0;
  v6 = *MK_FP(__FS__, 40LL) ^ v14;
  return result;
}