Windows x86/ x64 Ring3层注入Dll总结

// 传入参数 SE_DEBUG_NAME，提升到调试权限
BOOL GrantPriviledge(WCHAR* PriviledgeName)
{
TOKEN_PRIVILEGES TokenPrivileges, OldPrivileges;
DWORD dwReturnLength = sizeof(OldPrivileges);
HANDLE TokenHandle = NULL;
LUID uID;
// 打开权限令牌
if (!OpenThreadToken(GetCurrentThread(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, FALSE, &TokenHandle))
{
if (GetLastError() != ERROR_NO_TOKEN)
{
return FALSE;
}
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &TokenHandle))
{
return FALSE;
}
}
if (!LookupPrivilegeValue(NULL, PriviledgeName, &uID)) // 通过权限名称查找uID
{
CloseHandle(TokenHandle);
return FALSE;
}
TokenPrivileges.PrivilegeCount = 1; // 要提升的权限个数
TokenPrivileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; // 动态数组，数组大小根据Count的数目
TokenPrivileges.Privileges[0].Luid = uID;
// 在这里我们进行调整权限
if (!AdjustTokenPrivileges(TokenHandle, FALSE, &TokenPrivileges, sizeof(TOKEN_PRIVILEGES), &OldPrivileges, &dwReturnLength))
{
CloseHandle(TokenHandle);
return FALSE;
}
// 成功了
CloseHandle(TokenHandle);
return TRUE;
}

// 使用ToolHelp系列函数
#include <TlHelp32.h>
BOOL GetProcessIdByProcessImageName(IN PWCHAR wzProcessImageName, OUT PUINT32 ProcessId)
{
HANDLE ProcessSnapshotHandle = INVALID_HANDLE_VALUE;
PROCESSENTRY32 ProcessEntry32 = { 0 };
ProcessEntry32.dwSize = sizeof(PROCESSENTRY32); // 初始化PROCESSENTRY32结构
ProcessSnapshotHandle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); // 给系统所有的进程快照
if (ProcessSnapshotHandle == INVALID_HANDLE_VALUE)
{
return FALSE;
}
if (Process32First(ProcessSnapshotHandle, &ProcessEntry32)) // 找到第一个
{
do
{
if (lstrcmpi(ProcessEntry32.szExeFile, wzProcessImageName) == 0) // 不区分大小写
{
*ProcessId = ProcessEntry32.th32ProcessID;
break;
}
} while (Process32Next(ProcessSnapshotHandle, &ProcessEntry32));
}
CloseHandle(ProcessSnapshotHandle);
ProcessSnapshotHandle = INVALID_HANDLE_VALUE;
if (*ProcessId == 0)
{
return FALSE;
}
return TRUE;
}
// 使用Psapi系列枚举函数
#include <Psapi.h>
BOOL GetProcessIdByProcessImageName(IN PWCHAR wzProcessImageName, OUT PUINT32 ProcessId)
{
DWORD dwProcessesId[1024] = { 0 };
DWORD BytesReturned = 0;
UINT32 ProcessCount = 0;
// 获得当前操作系统中的所有进程Id，保存在dwProcessesId数组里
if (!EnumProcesses(dwProcessesId, sizeof(dwProcessesId), &BytesReturned))
{
return FALSE;
}
ProcessCount = BytesReturned / sizeof(DWORD);
// 遍历
for (INT i = 0; i < ProcessCount; i++)
{
HMODULE ModuleBase = NULL;
WCHAR wzModuleBaseName[MAX_PATH] = { 0 };
HANDLE ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcessesId[i]);
if (ProcessHandle == NULL)
{
continue;
}
if (EnumProcessModulesEx(ProcessHandle, &ModuleBase, sizeof(HMODULE), &BytesReturned, LIST_MODULES_ALL))
{
// 获得进程第一模块名称
GetModuleBaseName(ProcessHandle, ModuleBase, wzModuleBaseName, MAX_PATH * sizeof(WCHAR));
}
CloseHandle(ProcessHandle);
ProcessHandle = NULL;
if (lstrcmpi(wzModuleBaseName, wzProcessImageName) == 0) // 不区分大小写
{
*ProcessId = dwProcessesId[i];
break;
}
}
if (*ProcessId == 0)
{
return FALSE;
}
return TRUE;
}

// 枚举指定进程Id的所有线程，压入模板中
#include <vector>
#include <TlHelp32.h>
using namespace std;
BOOL GetThreadIdByProcessId(IN UINT32 ProcessId, OUT vector<UINT32>& ThreadIdVector)
{
HANDLE ThreadSnapshotHandle = NULL;
THREADENTRY32 ThreadEntry32 = { 0 };
ThreadEntry32.dwSize = sizeof(THREADENTRY32);
ThreadSnapshotHandle = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0); // 给系统所有的线程快照
if (ThreadSnapshotHandle == INVALID_HANDLE_VALUE)
{
return FALSE;
}
if (Thread32First(ThreadSnapshotHandle, &ThreadEntry32))
{
do
{
if (ThreadEntry32.th32OwnerProcessID == ProcessId)
{
ThreadIdVector.emplace_back(ThreadEntry32.th32ThreadID); // 把该进程的所有线程id压入模板
}
} while (Thread32Next(ThreadSnapshotHandle, &ThreadEntry32));
}
CloseHandle(ThreadSnapshotHandle);
ThreadSnapshotHandle = NULL;
return TRUE;
}

// ZwQuerySystemInformation+SystemProcessInformation

typedef
NTSTATUS(NTAPI * pfnZwQuerySystemInformation)(
IN SYSTEM_INFORMATION_CLASS SystemInformationClass,
OUT PVOID SystemInformation,
IN UINT32 SystemInformationLength,
OUT PUINT32 ReturnLength OPTIONAL);

BOOL GetThreadIdByProcessId(IN UINT32 ProcessId, OUT PUINT32 ThreadId)
{
BOOL bOk = FALSE;
NTSTATUS Status = 0;
PVOID BufferData = NULL;
PSYSTEM_PROCESS_INFO spi = NULL;
pfnZwQuerySystemInformation ZwQuerySystemInformation = NULL;
ZwQuerySystemInformation = (pfnZwQuerySystemInformation)GetProcAddress(GetModuleHandle(L"ntdll.dll"), "ZwQuerySystemInformation");
if (ZwQuerySystemInformation == NULL)
{
return FALSE;
}
BufferData = malloc(1024 * 1024);
if (!BufferData)
{
return FALSE;
}
// 在QuerySystemInformation系列函数中，查询SystemProcessInformation时，必须提前申请好内存，不能先查询得到长度再重新调用
Status = ZwQuerySystemInformation(SystemProcessInformation, BufferData, 1024 * 1024, NULL);
if (!NT_SUCCESS(Status))
{
free(BufferData);
return FALSE;
}
spi = (PSYSTEM_PROCESS_INFO)BufferData;
// 遍历进程，找到我们的目标进程
while (TRUE)
{
bOk = FALSE;
if (spi->UniqueProcessId == (HANDLE)ProcessId)
{
bOk = TRUE;
break;
}
else if (spi->NextEntryOffset)
{
spi = (PSYSTEM_PROCESS_INFO)((PUINT8)spi + spi->NextEntryOffset);
}
else
{
break;
}
}
if (bOk)
{
for (INT i = 0; i < spi->NumberOfThreads; i++)
{
// 返出找到的线程Id
*ThreadId = (UINT32)spi->Threads[i].ClientId.UniqueThread;
break;
}
}
if (BufferData != NULL)
{
free(BufferData);
}
return bOk;
}

typedef NTSTATUS(NTAPI* pfnNtCreateThreadEx)
(
OUT PHANDLE hThread,
IN ACCESS_MASK DesiredAccess,
IN PVOID ObjectAttributes,
IN HANDLE ProcessHandle,
IN PVOID lpStartAddress,
IN PVOID lpParameter,
IN ULONG Flags,
IN SIZE_T StackZeroBits,
IN SIZE_T SizeOfStackCommit,
IN SIZE_T SizeOfStackReserve,
OUT PVOID lpBytesBuffer);
#define NT_SUCCESS(x) ((x) >= 0)
typedef struct _CLIENT_ID {
HANDLE UniqueProcess;
HANDLE UniqueThread;
} CLIENT_ID, *PCLIENT_ID;
typedef NTSTATUS(NTAPI * pfnRtlCreateUserThread)(
IN HANDLE ProcessHandle,
IN PSECURITY_DESCRIPTOR SecurityDescriptor OPTIONAL,
IN BOOLEAN CreateSuspended,
IN ULONG StackZeroBits OPTIONAL,
IN SIZE_T StackReserve OPTIONAL,
IN SIZE_T StackCommit OPTIONAL,
IN PTHREAD_START_ROUTINE StartAddress,
IN PVOID Parameter OPTIONAL,
OUT PHANDLE ThreadHandle OPTIONAL,
OUT PCLIENT_ID ClientId OPTIONAL);
BOOL InjectDll(UINT32 ProcessId)
{
HANDLE ProcessHandle = NULL;
ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, ProcessId);
// 在对方进程空间申请内存,存储Dll完整路径
UINT32 DllFullPathLength = (strlen(DllFullPath) + 1);
PVOID DllFullPathBufferData = VirtualAllocEx(ProcessHandle, NULL, DllFullPathLength, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (DllFullPathBufferData == NULL)
{
CloseHandle(ProcessHandle);
return FALSE;
}
// 将DllFullPath写进刚刚申请的内存中
SIZE_T ReturnLength;
BOOL bOk = WriteProcessMemory(ProcessHandle, DllFullPathBufferData, DllFullPath, strlen(DllFullPath) + 1, &ReturnLength);
LPTHREAD_START_ROUTINE LoadLibraryAddress = NULL;
HMODULE Kernel32Module = GetModuleHandle(L"Kernel32");
LoadLibraryAddress = (LPTHREAD_START_ROUTINE)GetProcAddress(Kernel32Module, "LoadLibraryA");
pfnNtCreateThreadEx NtCreateThreadEx = (pfnNtCreateThreadEx)GetProcAddress(GetModuleHandle(L"ntdll.dll"), "NtCreateThreadEx");
if (NtCreateThreadEx == NULL)
{
CloseHandle(ProcessHandle);
return FALSE;
}
HANDLE ThreadHandle = NULL;
// 0x1FFFFF #define THREAD_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0xFFFF)
NtCreateThreadEx(&ThreadHandle, 0x1FFFFF, NULL, ProcessHandle, (LPTHREAD_START_ROUTINE)LoadLibraryAddress, DllFullPathBufferData, FALSE, NULL, NULL, NULL, NULL);
/*
pfnRtlCreateUserThread RtlCreateUserThread = (pfnRtlCreateUserThread)GetProcAddress(GetModuleHandle(L"ntdll.dll"), "RtlCreateUserThread");
HANDLE ThreadHandle = NULL;
NTSTATUS Status = RtlCreateUserThread(ProcessHandle, NULL, FALSE, 0, 0, 0, LoadLibraryAddress, DllFullPathBufferData, &ThreadHandle, NULL); 
*/
/*
HANDLE ThreadHandle = CreateRemoteThread(ProcessHandle, NULL, 0, LoadLibraryAddress, DllFullPathBufferData, 0, NULL); // CreateRemoteThread 函数
*/
if (ThreadHandle == NULL)
{
CloseHandle(ProcessHandle);
return FALSE;
}
if (WaitForSingleObject(ThreadHandle, INFINITE) == WAIT_FAILED)
{
return FALSE;
}
CloseHandle(ProcessHandle);
CloseHandle(ThreadHandle);
return TRUE;
}

#ifdef _WIN64
// 测试 64 位 dll被注，Bug已修复
/*
0:019> u 0x000002b5d5f80000
000002b5`d5f80000 4883ec28 sub rsp,28h
000002b5`d5f80004 488d0d20000000 lea rcx,[000002b5`d5f8002b]
000002b5`d5f8000b ff1512000000 call qword ptr [000002b5`d5f80023]
000002b5`d5f80011 4883c428 add rsp,28h
000002b5`d5f80015 ff2500000000 jmp qword ptr [000002b5`d5f8001b]
*/
UINT8 ShellCode[0x100] = {
0x48,0x83,0xEC,0x28, // sub rsp ,28h
0x48,0x8D,0x0d, // [+4] lea rcx,
0x00,0x00,0x00,0x00, // [+7] DllNameOffset = [+43] - [+4] - 7
// call 跳偏移，到地址，解*号
0xff,0x15, // [+11]
0x00,0x00,0x00,0x00, // [+13] 
0x48,0x83,0xc4,0x28, // [+17] add rsp,28h
// jmp 跳偏移，到地址，解*号
0xff,0x25, // [+21]
0x00,0x00,0x00,0x00, // [+23] LoadLibraryAddressOffset
// 存放原先的 rip
0x00,0x00,0x00,0x00, // [+27]
0x00,0x00,0x00,0x00, // [+31]
// 跳板 loadlibrary地址
0x00,0x00,0x00,0x00, // [+35] 
0x00,0x00,0x00,0x00, // [+39]
// 存放dll完整路径
// 0x00,0x00,0x00,0x00, // [+43]
// 0x00,0x00,0x00,0x00 // [+47]
// ......
};
#else
// 测试 32 位 配合新写的Dll可重复注入
/*
0:005> u 0x00ca0000
00000000`00ca0000 60 pusha
00000000`00ca0001 9c pushfq
00000000`00ca0002 681d00ca00 push 0CA001Dh
00000000`00ca0007 ff151900ca00 call qword ptr [00000000`01940026]
00000000`00ca000d 9d popfq
00000000`00ca000e 61 popa
00000000`00ca000f ff251500ca00 jmp qword ptr [00000000`0194002a]
*/
UINT8 ShellCode[0x100] = {
0x60, // [+0] pusha
0x9c, // [+1] pushf
0x68, // [+2] push
0x00,0x00,0x00,0x00, // [+3] ShellCode + 
0xff,0x15, // [+7] call 
0x00,0x00,0x00,0x00, // [+9] LoadLibrary Addr Addr
0x9d, // [+13] popf
0x61, // [+14] popa
0xff,0x25, // [+15] jmp
0x00,0x00,0x00,0x00, // [+17] jmp eip
// eip 地址
0x00,0x00,0x00,0x00, // [+21]
// LoadLibrary 地址
0x00,0x00,0x00,0x00, // [+25] 
// DllFullPath 
0x00,0x00,0x00,0x00 // [+29] 
};
#endif

BOOL Inject(IN UINT32 ProcessId, IN UINT32 ThreadId)
{
BOOL bOk = FALSE;
CONTEXT ThreadContext = { 0 };
PVOID BufferData = NULL;
HANDLE ThreadHandle = OpenThread(THREAD_ALL_ACCESS, FALSE, ThreadId);
HANDLE ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, ProcessId);
// 首先挂起线程
SuspendThread(ThreadHandle);
ThreadContext.ContextFlags = CONTEXT_ALL;
if (GetThreadContext(ThreadHandle, &ThreadContext) == FALSE)
{
CloseHandle(ThreadHandle);
CloseHandle(ProcessHandle);
return FALSE;
}
BufferData = VirtualAllocEx(ProcessHandle, NULL, sizeof(ShellCode), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (BufferData != NULL)
{
if (LoadLibraryWAddress != NULL)
{
#ifdef _WIN64
// ShellCode + 43处 存放完整路径
PUINT8 v1 = ShellCode + 43;
memcpy(v1, DllFullPath, (wcslen(DllFullPath) + 1) * sizeof(WCHAR));
UINT32 DllNameOffset = (UINT32)(((PUINT8)BufferData + 43) - ((PUINT8)BufferData + 4) - 7);
*(PUINT32)(ShellCode + 7) = DllNameOffset;
// ShellCode + 35处 放置 LoadLibrary 函数地址
*(PUINT64)(ShellCode + 35) = (UINT64)LoadLibraryWAddress;
UINT32 LoadLibraryAddressOffset = (UINT32)(((PUINT8)BufferData + 35) - ((PUINT8)BufferData + 11) - 6);
*(PUINT32)(ShellCode + 13) = LoadLibraryAddressOffset;
// 放置 rip 地址
*(PUINT64)(ShellCode + 27) = ThreadContext.Rip;
if (!WriteProcessMemory(ProcessHandle, BufferData, ShellCode, sizeof(ShellCode), NULL))
{
return FALSE;
}
ThreadContext.Rip = (UINT64)BufferData;
#else
PUINT8 v1 = ShellCode + 29;
memcpy((char*)v1, DllFullPath, (wcslen(DllFullPath) + 1) * sizeof(WCHAR)); //这里是要注入的DLL名字
*(PUINT32)(ShellCode + 3) = (UINT32)BufferData + 29;
*(PUINT32)(ShellCode + 25) = LoadLibraryWAddress; //loadlibrary地址放入shellcode中
*(PUINT32)(ShellCode + 9) = (UINT32)BufferData + 25;//修改call 之后的地址 为目标空间存放 loaddlladdr的地址
//////////////////////////////////
*(PUINT32)(ShellCode + 21) = ThreadContext.Eip;
*(PUINT32)(ShellCode + 17) = (UINT32)BufferData + 21;//修改jmp 之后为原来eip的地址
if (!WriteProcessMemory(ProcessHandle, BufferData, ShellCode, sizeof(ShellCode), NULL))
{
printf("write Process Error\n");
return FALSE;
}
ThreadContext.Eip = (UINT32)BufferData;
#endif 
if (!SetThreadContext(ThreadHandle, &ThreadContext))
{
printf("set thread context error\n");
return FALSE;
}
ResumeThread(ThreadHandle);
printf("ShellCode 注入完成\r\n");
}
}
CloseHandle(ThreadHandle);
CloseHandle(ProcessHandle);
return TRUE;
}

int main()
{
......
ThreadCount = ThreadIdVector.size();
for (INT i = ThreadCount - 1; i >= 0; i--)
{
UINT32 ThreadId = ThreadIdVector[i];
InjectDllByApc(ProcessId, ThreadId);
}
......
}
BOOL InjectDllByApc(IN UINT32 ProcessId, IN UINT32 ThreadId)
{
BOOL bOk = 0;
HANDLE ThreadHandle = OpenThread(THREAD_ALL_ACCESS, FALSE, ThreadId);
HANDLE ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, ProcessId);
UINT_PTR LoadLibraryAddress = 0;
SIZE_T ReturnLength = 0;
UINT32 DllFullPathLength = (strlen(DllFullPath) + 1);
// 全局，申请一次内存
if (DllFullPathBufferData == NULL)
{
//申请内存
DllFullPathBufferData = VirtualAllocEx(ProcessHandle, NULL, DllFullPathLength, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (DllFullPathBufferData == NULL)
{
CloseHandle(ProcessHandle);
CloseHandle(ThreadHandle);
return FALSE;
}
}
// 避免之前写操作失败，每次重复写入
bOk = WriteProcessMemory(ProcessHandle, DllFullPathBufferData, DllFullPath, strlen(DllFullPath) + 1,
&ReturnLength);
if (bOk == FALSE)
{
CloseHandle(ProcessHandle);
CloseHandle(ThreadHandle);
return FALSE;
}
LoadLibraryAddress = (UINT_PTR)GetProcAddress(GetModuleHandle(L"Kernel32.dll"), "LoadLibraryA");
if (LoadLibraryAddress == NULL)
{
CloseHandle(ProcessHandle);
CloseHandle(ThreadHandle);
return FALSE;
}
__try
{
QueueUserAPC((PAPCFUNC)LoadLibraryAddress, ThreadHandle, (UINT_PTR)DllFullPathBufferData);
}
__except (EXCEPTION_CONTINUE_EXECUTION)
{
}
CloseHandle(ProcessHandle);
CloseHandle(ThreadHandle);
return TRUE;
}

int main()
{
LSTATUS Status = 0;
WCHAR* wzSubKey = L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Windows";
HKEY hKey = NULL;
// 打开注册表
Status = RegOpenKeyExW(HKEY_LOCAL_MACHINE, // 要打开的主键
wzSubKey, // 要打开的子键名字地址
0, // 保留，传0
KEY_ALL_ACCESS, // 打开的方式
&hKey); // 返回的子键句柄
if (Status != ERROR_SUCCESS)
{
return 0;
}
WCHAR* wzValueName = L"AppInit_DLLs";
DWORD dwValueType = 0;
UINT8 ValueData[MAX_PATH] = { 0 };
DWORD dwReturnLength = 0;
// 查询注册表
Status = RegQueryValueExW(hKey, // 子键句柄
wzValueName, // 待查询键值的名称
NULL, // 保留
&dwValueType, // 数据类型
ValueData, // 键值
&dwReturnLength);
WCHAR wzDllFullPath[MAX_PATH] = { 0 };
GetCurrentDirectoryW(MAX_PATH, wzDllFullPath);
#ifdef _WIN64
wcscat_s(wzDllFullPath, L"\\x64NormalDll.dll");
#else
wcscat_s(wzDllFullPath, L"\\x86NormalDll.dll");
#endif
// 设置键值
Status = RegSetValueExW(hKey,
wzValueName,
NULL,
dwValueType,
(CONST BYTE*)wzDllFullPath,
(lstrlen(wzDllFullPath) + 1) * sizeof(WCHAR));
if (Status != ERROR_SUCCESS)
{
return 0;
}
wzValueName = L"LoadAppInit_DLLs";
DWORD dwLoadAppInit = 1;
// 查询注册表
Status = RegQueryValueExW(hKey, wzValueName, NULL, &dwValueType, ValueData, &dwReturnLength);
// 设置键值
Status = RegSetValueExW(hKey, wzValueName, NULL, dwValueType, (CONST BYTE*)&dwLoadAppInit, sizeof(DWORD));
if (Status != ERROR_SUCCESS)
{
return 0;
}
printf("Input Any Key To Resume\r\n");
getchar();
getchar();
// 恢复键值
dwLoadAppInit = 0;
Status = RegQueryValueExW(hKey, wzValueName, NULL, &dwValueType, ValueData, &dwReturnLength);
Status = RegSetValueExW(hKey, wzValueName, NULL, dwValueType, (CONST BYTE*)&dwLoadAppInit, sizeof(DWORD));
wzValueName = L"AppInit_DLLs";
ZeroMemory(wzDllFullPath, (lstrlen(wzDllFullPath) + 1) * sizeof(WCHAR));
Status = RegQueryValueExW(hKey, wzValueName, NULL, &dwValueType, ValueData, &dwReturnLength);
Status = RegSetValueExW(hKey, wzValueName, NULL, dwValueType, (CONST BYTE*)wzDllFullPath, 0);
return 0;
}

// 注入exe关键代码 给目标线程的指定消息上下钩，走进Dll导出函数
BOOL Inject(IN UINT32 ThreadId, OUT HHOOK& HookHandle)
{
HMODULE DllModule = LoadLibraryA(DllFullPath);
FARPROC FunctionAddress = GetProcAddress(DllModule, "Sub_1");
HookHandle = SetWindowsHookEx(WH_KEYBOARD, (HOOKPROC)FunctionAddress, DllModule, ThreadId);
if (HookHandle == NULL)
{
return FALSE;
}
return TRUE;
}
// 动态库中导出函数
extern "C"
__declspec(dllexport)
VOID Sub_1() // 导出函数
{
MessageBox(0, 0, 0, 0);
}

// InjectDllByOEP.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <Windows.h>
#include <iostream>
#include <TlHelp32.h>
using namespace std;
BOOL GrantPriviledge(WCHAR* PriviledgeName);
UINT32 GetLoadDllByOEPOffsetInFile(PVOID DllBuffer);
UINT32 RVAToOffset(UINT32 RVA, PIMAGE_NT_HEADERS NtHeader);
BOOL GetProcessIdByProcessImageName(IN WCHAR* wzProcessImageName, OUT UINT32* TargetProcessId);
HANDLE WINAPI LoadRemoteDll(HANDLE ProcessHandle, PVOID ModuleFileBaseAddress, UINT32 ModuleFileSize, LPVOID lParam);
CHAR DllFullPath[MAX_PATH] = { 0 };
int main()
{
// 首先提权一波
if (GrantPriviledge(SE_DEBUG_NAME) == FALSE)
{
printf("GrantPriviledge Error\r\n");
}
// 接着通过进程名得到进程id
UINT32 ProcessId = 0;
GetCurrentDirectoryA(MAX_PATH, DllFullPath);
#ifdef _WIN64
// GetProcessIdByProcessImageName(L"Taskmgr.exe", &ProcessId);
GetProcessIdByProcessImageName(L"explorer.exe", &ProcessId);
strcat_s(DllFullPath, "\\x64LoadRemoteDll.dll");
#else
GetProcessIdByProcessImageName(L"notepad++.exe", &ProcessId);
strcat_s(DllFullPath, "\\x86LoadRemoteDll.dll");
#endif
// 获得dll句柄
HANDLE FileHandle = CreateFileA(DllFullPath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (FileHandle == INVALID_HANDLE_VALUE)
{
printf("Open File Error\r\n");
return 0;
}
// 获得dll文件长度
UINT32 FileSize = GetFileSize(FileHandle, NULL);
if (FileSize == INVALID_FILE_SIZE || FileSize == 0)
{
printf("Get File Size Error\r\n");
CloseHandle(FileHandle);
return 0;
}
// 申请内存，保存
PVOID FileData = HeapAlloc(GetProcessHeap(), 0, FileSize);
if (FileData == NULL)
{
printf("HeapAlloc Error\r\n");
CloseHandle(FileHandle);
return 0;
}
DWORD ReturnLength = 0;
BOOL bOk = ReadFile(FileHandle, FileData, FileSize, &ReturnLength, NULL);
CloseHandle(FileHandle);
if (bOk == FALSE)
{
printf("ReadFile Error\r\n");
HeapFree(GetProcessHeap(), 0, FileData);
return 0;
}
HANDLE ProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, FALSE, ProcessId);
if (ProcessHandle == NULL)
{
printf("OpenProcess Error\r\n");
HeapFree(GetProcessHeap(), 0, FileData);
return 0;
}
// 执行Dll中的导出函数LoadDllByOEP，让目标进程实现LoadLibrary功能
HANDLE ThreadHandle = LoadRemoteDll(ProcessHandle, FileData, FileSize, NULL);
if (ThreadHandle == NULL)
{
goto _Clear;
}
WaitForSingleObject(ThreadHandle, INFINITE);
_Clear:
if (FileData)
{
HeapFree(GetProcessHeap(), 0, FileData);
}
if (ProcessHandle)
{
CloseHandle(ProcessHandle);
}
return 0;
}
/************************************************************************
* Name : LoadRemoteDll
* Param: ProcessHandle 进程句柄 （IN）
* Param: ModuleBaseAddress 模块基地址
* Param: ModuleLength 模块在文件中的大小
* Param: lParam 模块句柄
* Ret : HANDLE
* 将Dll以文件格式写入目标进程内存，并执行Dll的导出函数LoadDllByOEP
************************************************************************/
HANDLE WINAPI LoadRemoteDll(HANDLE ProcessHandle, PVOID ModuleFileBaseAddress, UINT32 ModuleFileSize, LPVOID lParam)
{
HANDLE ThreadHandle = NULL;
__try
{
if (ProcessHandle == NULL || ModuleFileBaseAddress == NULL || ModuleFileSize == 0)
{
return NULL;
}
// 导出函数相对于 ModuelBaseAddress 的 Offset
UINT32 FunctionOffset = GetLoadDllByOEPOffsetInFile(ModuleFileBaseAddress);
if (FunctionOffset == 0)
{
return NULL;
}
// 在目标进程申请内存
PVOID RemoteBufferData = VirtualAllocEx(ProcessHandle, NULL, ModuleFileSize, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (RemoteBufferData == NULL)
{
return NULL;
}
// 把Dll文件写入目标进程内存空间
BOOL bOk = WriteProcessMemory(ProcessHandle, RemoteBufferData, ModuleFileBaseAddress, ModuleFileSize, NULL);
if (bOk == FALSE)
{
return NULL;
}
// 以文件格式去执行 Dll 中的 LoadDllByOEP
LPTHREAD_START_ROUTINE RemoteThreadCallBack = (LPTHREAD_START_ROUTINE)((PUINT8)RemoteBufferData + FunctionOffset);
ThreadHandle = CreateRemoteThread(ProcessHandle, NULL, 1024 * 1024, RemoteThreadCallBack, lParam, 0, NULL);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
ThreadHandle = NULL;
}
return ThreadHandle;
}
/************************************************************************
* Name : LoadRemoteDll
* Param: ProcessHandle 进程句柄
* Ret : HANDLE
* 获得LoadDllByOEP在Dll文件中的偏移量
************************************************************************/
UINT32 GetLoadDllByOEPOffsetInFile(PVOID DllBuffer)
{
UINT_PTR BaseAddress = (UINT_PTR)DllBuffer;
PIMAGE_DOS_HEADER DosHeader = NULL;
PIMAGE_NT_HEADERS NtHeader = NULL;
DosHeader = (PIMAGE_DOS_HEADER)BaseAddress;
NtHeader = (PIMAGE_NT_HEADERS)((PUINT8)BaseAddress + DosHeader->e_lfanew);
/*
#define IMAGE_NT_OPTIONAL_HDR32_MAGIC 0x10b
#define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
#define IMAGE_ROM_OPTIONAL_HDR_MAGIC 0x107
*/
if (NtHeader->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC) // pe32
{
}
else if (NtHeader->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC) // pe64
{
}
else
{
return 0;
}
UINT32 ExportDirectoryRVA = NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
PIMAGE_EXPORT_DIRECTORY ExportDirectory = (PIMAGE_EXPORT_DIRECTORY)((PUINT8)BaseAddress + RVAToOffset(ExportDirectoryRVA, NtHeader));
UINT32 AddressOfNamesRVA = ExportDirectory->AddressOfNames;
PUINT32 AddressOfNames = (PUINT32)((PUINT8)BaseAddress + RVAToOffset(AddressOfNamesRVA, NtHeader));
UINT32 AddressOfFunctionsRVA = ExportDirectory->AddressOfFunctions;
PUINT32 AddressOfFunctions = (PUINT32)((PUINT8)BaseAddress + RVAToOffset(AddressOfFunctionsRVA, NtHeader));
UINT32 AddressOfNameOrdinalsRVA = ExportDirectory->AddressOfNameOrdinals;
PUINT16 AddressOfNameOrdinals = (PUINT16)((PUINT8)BaseAddress + RVAToOffset(AddressOfNameOrdinalsRVA, NtHeader));
for (UINT32 i = 0; i < ExportDirectory->NumberOfFunctions; i++)
{
CHAR* ExportFunctionName = (CHAR*)((PUINT8)BaseAddress + RVAToOffset(*AddressOfNames, NtHeader));
if (strstr(ExportFunctionName, "LoadDllByOEP") != NULL)
{
UINT16 ExportFunctionOrdinals = AddressOfNameOrdinals[i];
return RVAToOffset(AddressOfFunctions[ExportFunctionOrdinals], NtHeader);
}
}
return 0;
}
/************************************************************************
* Name : RVAToOffset
* Param: RVA 内存中偏移
* Param: NtHeader Nt头
* Ret : UINT32
* 内存中偏移转换成文件中偏移
************************************************************************/
UINT32 RVAToOffset(UINT32 RVA, PIMAGE_NT_HEADERS NtHeader)
{
UINT32 i = 0;
PIMAGE_SECTION_HEADER SectionHeader = NULL;
SectionHeader = IMAGE_FIRST_SECTION(NtHeader);
if (RVA < SectionHeader[0].PointerToRawData)
{
return RVA;
}
for (i = 0; i < NtHeader->FileHeader.NumberOfSections; i++)
{
if (RVA >= SectionHeader[i].VirtualAddress && RVA < (SectionHeader[i].VirtualAddress + SectionHeader[i].SizeOfRawData))
{
return (RVA - SectionHeader[i].VirtualAddress + SectionHeader[i].PointerToRawData);
}
}
return 0;
}
/************************************************************************
* Name : GetProcessIdByProcessImageName
* Param: wzProcessImageName 进程映像名称 （IN）
* Param: TargetProcessId 进程Id （OUT）
* Ret : BOOLEAN
* 使用ToolHelp系列函数通过进程映像名称获得进程Id
************************************************************************/
BOOL GetProcessIdByProcessImageName(IN WCHAR* wzProcessImageName, OUT UINT32* TargetProcessId)
{
HANDLE ProcessSnapshotHandle = NULL;
PROCESSENTRY32 ProcessEntry32 = { 0 };
ProcessEntry32.dwSize = sizeof(PROCESSENTRY32); // 初始化PROCESSENTRY32结构
ProcessSnapshotHandle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); // 给系统所有的进程快照
if (ProcessSnapshotHandle == INVALID_HANDLE_VALUE)
{
return FALSE;
}
Process32First(ProcessSnapshotHandle, &ProcessEntry32); // 找到第一个
do
{
if (lstrcmpi(ProcessEntry32.szExeFile, wzProcessImageName) == 0) // 不区分大小写
{
*TargetProcessId = ProcessEntry32.th32ProcessID;
break;
}
} while (Process32Next(ProcessSnapshotHandle, &ProcessEntry32));
CloseHandle(ProcessSnapshotHandle);
ProcessSnapshotHandle = NULL;
return TRUE;
}
/************************************************************************
* Name : GrantPriviledge
* Param: PriviledgeName 想要提升的权限
* Ret : BOOLEAN
* 提升自己想要的权限
************************************************************************/
BOOL GrantPriviledge(WCHAR* PriviledgeName)
{
TOKEN_PRIVILEGES TokenPrivileges, OldPrivileges;
DWORD dwReturnLength = sizeof(OldPrivileges);
HANDLE TokenHandle = NULL;
LUID uID;
// 打开权限令牌
if (!OpenThreadToken(GetCurrentThread(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, FALSE, &TokenHandle))
{
if (GetLastError() != ERROR_NO_TOKEN)
{
return FALSE;
}
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &TokenHandle))
{
return FALSE;
}
}
if (!LookupPrivilegeValue(NULL, PriviledgeName, &uID)) // 通过权限名称查找uID
{
CloseHandle(TokenHandle);
return FALSE;
}
TokenPrivileges.PrivilegeCount = 1; // 要提升的权限个数
TokenPrivileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; // 动态数组，数组大小根据Count的数目
TokenPrivileges.Privileges[0].Luid = uID;
// 在这里我们进行调整权限
if (!AdjustTokenPrivileges(TokenHandle, FALSE, &TokenPrivileges, sizeof(TOKEN_PRIVILEGES), &OldPrivileges, &dwReturnLength))
{
CloseHandle(TokenHandle);
return FALSE;
}
// 成功了
CloseHandle(TokenHandle);
return TRUE;
}
// LoadRemoteDll.h
#include <Windows.h>
#include <intrin.h>
#ifdef LOADREMOTEDLL_EXPORTS
#define LOADREMOTEDLL_API __declspec(dllexport)
#else
#define LOADREMOTEDLL_API __declspec(dllimport)
#endif
#define KERNEL32DLL_HASH 0x6A4ABC5B
#define NTDLLDLL_HASH 0x3CFA685D
#define LOADLIBRARYA_HASH 0xEC0E4E8E
#define GETPROCADDRESS_HASH 0x7C0DFCAA
#define VIRTUALALLOC_HASH 0x91AFCA54
#define NTFLUSHINSTRUCTIONCACHE_HASH 0x534C0AB8
#define IMAGE_REL_BASED_ARM_MOV32A 5
#define IMAGE_REL_BASED_ARM_MOV32T 7
#define HASH_KEY 13
#pragma intrinsic( _rotr )
__forceinline UINT32 ror(UINT32 d)
{
return _rotr(d, HASH_KEY);
}
__forceinline UINT32 hash(char * c)
{
register UINT32 h = 0;
do
{
h = ror(h);
h += *c;
} while (*++c);
return h;
}
//////////////////////////////////////////////////////////////////////////
typedef struct _UNICODE_STRING
{
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
} UNICODE_STRING, *PUNICODE_STRING;
typedef struct _PEB_LDR_DATA_WIN7_X64
{
UINT32 Length;
UINT8 Initialized;
UINT8 _PADDING0_[0x3];
PVOID SsHandle;
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
PVOID EntryInProgress;
UINT8 ShutdownInProgress;
UINT8 _PADDING1_[0x7];
PVOID ShutdownThreadId;
}PEB_LDR_DATA_WIN7_X64, *PPEB_LDR_DATA_WIN7_X64;
typedef struct _PEB_LDR_DATA_WINXP_X86
{
UINT32 Length;
UINT8 Initialized;
UINT8 _PADDING0_[0x3];
PVOID SsHandle;
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
PVOID EntryInProgress;
}PEB_LDR_DATA_WINXP_X86, *PPEB_LDR_DATA_WINXP_X86;
#ifdef _WIN64
#define PPEB_LDR_DATA PPEB_LDR_DATA_WIN7_X64
#define PEB_LDR_DATA PEB_LDR_DATA_WIN7_X64
#else 
#define PPEB_LDR_DATA PPEB_LDR_DATA_WINXP_X86
#define PEB_LDR_DATA PEB_LDR_DATA_WINXP_X86
#endif
typedef struct _CURDIR
{
UNICODE_STRING DosPath;
HANDLE Handle;
} CURDIR, *PCURDIR;
typedef struct _RTL_USER_PROCESS_PARAMETERS_WINXP_X86 {
UINT32 MaximumLength;
UINT32 Length;
UINT32 Flags;
UINT32 DebugFlags;
HANDLE ConsoleHandle;
UINT32 ConsoleFlags;
HANDLE StandardInput;
HANDLE StandardOutput;
HANDLE StandardError;
CURDIR CurrentDirectory; // ProcessParameters
UNICODE_STRING DllPath; // ProcessParameters
UNICODE_STRING ImagePathName; // ProcessParameters
UNICODE_STRING CommandLine; // ProcessParameters
PVOID Environment;
UINT32 StartingX;
UINT32 StartingY;
UINT32 CountX;
UINT32 CountY;
UINT32 CountCharsX;
UINT32 CountCharsY;
UINT32 FillAttribute;
UINT32 WindowFlags;
UINT32 ShowWindowFlags;
UNICODE_STRING WindowTitle;
UNICODE_STRING DesktopInfo;
UNICODE_STRING ShellInfo;
UNICODE_STRING RuntimeData;
UINT32 CurrentDirectores[8];
}RTL_USER_PROCESS_PARAMETERS_WINXP_X86, *PRTL_USER_PROCESS_PARAMETERS_WINXP_X86;
typedef struct _RTL_USER_PROCESS_PARAMETERS_WIN7_X64 {
UINT32 MaximumLength;
UINT32 Length;
UINT32 Flags;
UINT32 DebugFlags;
HANDLE ConsoleHandle;
UINT32 ConsoleFlags;
HANDLE StandardInput;
HANDLE StandardOutput;
HANDLE StandardError;
CURDIR CurrentDirectory; // ProcessParameters
UNICODE_STRING DllPath; // ProcessParameters
UNICODE_STRING ImagePathName; // ProcessParameters
UNICODE_STRING CommandLine; // ProcessParameters
PVOID Environment;
UINT32 StartingX;
UINT32 StartingY;
UINT32 CountX;
UINT32 CountY;
UINT32 CountCharsX;
UINT32 CountCharsY;
UINT32 FillAttribute;
UINT32 WindowFlags;
UINT32 ShowWindowFlags;
UNICODE_STRING WindowTitle;
UNICODE_STRING DesktopInfo;
UNICODE_STRING ShellInfo;
UNICODE_STRING RuntimeData;
UINT32 CurrentDirectores[8];
UINT64 EnvironmentSize;
UINT64 EnvironmentVersion;
}RTL_USER_PROCESS_PARAMETERS_WIN7_X64, *PRTL_USER_PROCESS_PARAMETERS_WIN7_X64;
#ifdef _WIN64
#define PRTL_USER_PROCESS_PARAMETERS PRTL_USER_PROCESS_PARAMETERS_WIN7_X64
#define RTL_USER_PROCESS_PARAMETERS RTL_USER_PROCESS_PARAMETERS_WIN7_X64
#else 
#define PRTL_USER_PROCESS_PARAMETERS PRTL_USER_PROCESS_PARAMETERS_WINXP_X86
#define RTL_USER_PROCESS_PARAMETERS RTL_USER_PROCESS_PARAMETERS_WINXP_X86
#endif
#define GDI_HANDLE_BUFFER_SIZE32 34
#define GDI_HANDLE_BUFFER_SIZE64 60
#ifndef _WIN64
#define GDI_HANDLE_BUFFER_SIZE GDI_HANDLE_BUFFER_SIZE32
#else
#define GDI_HANDLE_BUFFER_SIZE GDI_HANDLE_BUFFER_SIZE64
#endif
typedef UINT32 GDI_HANDLE_BUFFER[GDI_HANDLE_BUFFER_SIZE];
// PEB结构
typedef struct _PEB
{
BOOLEAN InheritedAddressSpace;
BOOLEAN ReadImageFileExecOptions;
BOOLEAN BeingDebugged;
union
{
BOOLEAN BitField;
struct
{
BOOLEAN ImageUsesLargePages : 1;
BOOLEAN IsProtectedProcess : 1;
BOOLEAN IsLegacyProcess : 1;
BOOLEAN IsImageDynamicallyRelocated : 1;
BOOLEAN SkipPatchingUser32Forwarders : 1;
BOOLEAN IsPackagedProcess : 1;
BOOLEAN IsAppContainer : 1;
BOOLEAN SpareBits : 1;
};
};
HANDLE Mutant;
PVOID ImageBaseAddress;
PPEB_LDR_DATA Ldr;
PRTL_USER_PROCESS_PARAMETERS ProcessParameters;
PVOID SubSystemData;
PVOID ProcessHeap;
PRTL_CRITICAL_SECTION FastPebLock;
PVOID AtlThunkSListPtr;
PVOID IFEOKey;
union
{
UINT32 CrossProcessFlags;
struct
{
UINT32 ProcessInJob : 1;
UINT32 ProcessInitializing : 1;
UINT32 ProcessUsingVEH : 1;
UINT32 ProcessUsingVCH : 1;
UINT32 ProcessUsingFTH : 1;
UINT32 ReservedBits0 : 27;
};
UINT32 EnvironmentUpdateCount;
};
union
{
PVOID KernelCallbackTable;
PVOID UserSharedInfoPtr;
};
UINT32 SystemReserved[1];
UINT32 AtlThunkSListPtr32;
PVOID ApiSetMap;
UINT32 TlsExpansionCounter;
PVOID TlsBitmap;
UINT32 TlsBitmapBits[2];
PVOID ReadOnlySharedMemoryBase;
PVOID HotpatchInformation;
PVOID* ReadOnlyStaticServerData;
PVOID AnsiCodePageData;
PVOID OemCodePageData;
PVOID UnicodeCaseTableData;
UINT32 NumberOfProcessors;
UINT32 NtGlobalFlag;
LARGE_INTEGER CriticalSectionTimeout;
SIZE_T HeapSegmentReserve;
SIZE_T HeapSegmentCommit;
SIZE_T HeapDeCommitTotalFreeThreshold;
SIZE_T HeapDeCommitFreeBlockThreshold;
UINT32 NumberOfHeaps;
UINT32 MaximumNumberOfHeaps;
PVOID* ProcessHeaps;
PVOID GdiSharedHandleTable;
PVOID ProcessStarterHelper;
UINT32 GdiDCAttributeList;
PRTL_CRITICAL_SECTION LoaderLock;
UINT32 OSMajorVersion;
UINT32 OSMinorVersion;
UINT16 OSBuildNumber;
UINT16 OSCSDVersion;
UINT32 OSPlatformId;
UINT32 ImageSubsystem;
UINT32 ImageSubsystemMajorVersion;
UINT32 ImageSubsystemMinorVersion;
UINT_PTR ImageProcessAffinityMask;
GDI_HANDLE_BUFFER GdiHandleBuffer;
PVOID PostProcessInitRoutine;
PVOID TlsExpansionBitmap;
UINT32 TlsExpansionBitmapBits[32];
UINT32 SessionId;
ULARGE_INTEGER AppCompatFlags;
ULARGE_INTEGER AppCompatFlagsUser;
PVOID pShimData;
PVOID AppCompatInfo;
UNICODE_STRING CSDVersion;
PVOID ActivationContextData;
PVOID ProcessAssemblyStorageMap;
PVOID SystemDefaultActivationContextData;
PVOID SystemAssemblyStorageMap;
SIZE_T MinimumStackCommit;
PVOID* FlsCallback;
LIST_ENTRY FlsListHead;
PVOID FlsBitmap;
UINT32 FlsBitmapBits[FLS_MAXIMUM_AVAILABLE / (sizeof(UINT32) * 8)];
UINT32 FlsHighIndex;
PVOID WerRegistrationData;
PVOID WerShipAssertPtr;
PVOID pContextData;
PVOID pImageHeaderHash;
union
{
UINT32 TracingFlags;
struct
{
UINT32 HeapTracingEnabled : 1;
UINT32 CritSecTracingEnabled : 1;
UINT32 LibLoaderTracingEnabled : 1;
UINT32 SpareTracingBits : 29;
};
};
UINT64 CsrServerReadOnlySharedMemoryBase;
} PEB, *PPEB;
// Ldr 三根链表结构
typedef struct _LDR_DATA_TABLE_ENTRY {
LIST_ENTRY InLoadOrderLinks;
LIST_ENTRY InMemoryOrderLinks;
LIST_ENTRY InInitializationOrderLinks;
PVOID DllBase;
PVOID EntryPoint;
UINT32 SizeOfImage;
UNICODE_STRING FullDllName;
UNICODE_STRING BaseDllName;
UINT32 Flags;
UINT16 LoadCount;
UINT16 TlsIndex;
union {
LIST_ENTRY HashLinks;
struct {
PVOID SectionPointer;
UINT32 CheckSum;
};
};
union {
struct {
UINT32 TimeDateStamp;
};
struct {
PVOID LoadedImports;
};
};
struct _ACTIVATION_CONTEXT * EntryPointActivationContext;
PVOID PatchInformation;
} LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;
typedef const struct _LDR_DATA_TABLE_ENTRY *PCLDR_DATA_TABLE_ENTRY;
LOADREMOTEDLL_API UINT_PTR WINAPI LoadDllByOEP(PVOID lParam);
// LoadRemoteDll.cpp
// LoadRemoteDll.cpp : 定义 DLL 应用程序的导出函数。
//
#include "stdafx.h"
#include "LoadRemoteDll.h"
#pragma intrinsic(_ReturnAddress)
__declspec(noinline)
UINT_PTR caller()
{
return (UINT_PTR)_ReturnAddress(); // #include <intrin.h>
}
typedef
HMODULE
(WINAPI * pfnLoadLibraryA)(LPCSTR lpLibFileName);
typedef
FARPROC
(WINAPI * pfnGetProcAddress)(HMODULE hModule, LPCSTR lpProcName);
typedef
LPVOID
(WINAPI * pfnVirtualAlloc)(LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect);
typedef
LONG // NTSTATUS
(NTAPI * pfnNtFlushInstructionCache)(HANDLE ProcessHandle, PVOID BaseAddress, SIZE_T Length);
typedef
BOOL
(APIENTRY * pfnDllMain)(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved);
LOADREMOTEDLL_API UINT_PTR WINAPI LoadDllByOEP(PVOID lParam)
{
UINT_PTR LibraryAddress = 0;
PIMAGE_DOS_HEADER DosHeader = NULL;
PIMAGE_NT_HEADERS NtHeader = NULL;
pfnLoadLibraryA LoadLibraryAAddress = NULL;
pfnGetProcAddress GetProcAddressAddress = NULL;
pfnVirtualAlloc VirtualAllocAddress = NULL;
pfnNtFlushInstructionCache NtFlushInstructionCacheAddress = NULL;
LibraryAddress = caller(); // 获得下一步指令的地址，其实就是为了获得当前指令地址，为后面寻找PE头提供起点
DosHeader = (PIMAGE_DOS_HEADER)LibraryAddress;
while (TRUE)
{
if (DosHeader->e_magic == IMAGE_DOS_SIGNATURE &&
DosHeader->e_lfanew >= sizeof(IMAGE_DOS_HEADER) &&
DosHeader->e_lfanew < 1024)
{
NtHeader = (PIMAGE_NT_HEADERS)((PUINT8)LibraryAddress + DosHeader->e_lfanew);
if (NtHeader->Signature == IMAGE_NT_SIGNATURE)
{
break;
}
}
LibraryAddress--;
DosHeader = (PIMAGE_DOS_HEADER)LibraryAddress;
}
// 获得PEB
#ifdef _WIN64
PPEB Peb = (PPEB)__readgsqword(0x60);
#else
PPEB Peb = (PPEB)__readfsdword(0x30);
#endif
PPEB_LDR_DATA Ldr = Peb->Ldr;
// 1.从Dll导出表中获取函数地址
for (PLIST_ENTRY TravelListEntry = (PLIST_ENTRY)Ldr->InLoadOrderModuleList.Flink;
TravelListEntry != &Ldr->InLoadOrderModuleList; // 空头节点
TravelListEntry = TravelListEntry->Flink)
{
PLDR_DATA_TABLE_ENTRY LdrDataTableEntry = (PLDR_DATA_TABLE_ENTRY)TravelListEntry;
UINT32 FunctionCount = 0;
// WCHAR* DllName = (WCHAR*)LdrDataTableEntry->BaseDllName.Buffer;
UINT_PTR DllName = (UINT_PTR)LdrDataTableEntry->BaseDllName.Buffer;
UINT32 DllLength = LdrDataTableEntry->BaseDllName.Length;
UINT_PTR DllBaseAddress = (UINT_PTR)LdrDataTableEntry->DllBase;
DosHeader = (PIMAGE_DOS_HEADER)DllBaseAddress;
NtHeader = (PIMAGE_NT_HEADERS)((PUINT8)DllBaseAddress + DosHeader->e_lfanew);
IMAGE_DATA_DIRECTORY ExportDataDirectory = (IMAGE_DATA_DIRECTORY)(NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT]);
PIMAGE_EXPORT_DIRECTORY ExportDirectory = (PIMAGE_EXPORT_DIRECTORY)((PUINT8)DllBaseAddress + ExportDataDirectory.VirtualAddress);
PUINT32 AddressOfFunctions = (PUINT32)((PUINT8)DllBaseAddress + ExportDirectory->AddressOfFunctions);
PUINT32 AddressOfNames = (PUINT32)((PUINT8)DllBaseAddress + ExportDirectory->AddressOfNames);
PUINT16 AddressOfNameOrdinals = (PUINT16)((PUINT8)DllBaseAddress + ExportDirectory->AddressOfNameOrdinals);
UINT16 Ordinal = 0;
UINT_PTR ExportFunctionAddress = 0;
UINT32 HashValue = 0;
// 将Dll名称转换成Hash值
do
{
HashValue = ror((UINT32)HashValue);
if (*((PUINT8)DllName) >= 'a')
{
HashValue += *((PUINT8)DllName) - 0x20;
}
else
{
HashValue += *((PUINT8)DllName);
}
DllName++;
} while (--DllLength);
if (HashValue == KERNEL32DLL_HASH)
{
FunctionCount = 3;
for (INT i = 0; i < ExportDirectory->NumberOfFunctions; i++)
{
if (FunctionCount == 0)
{
break;
}
CHAR* szExportFunctionName = (CHAR*)((PUINT8)DllBaseAddress + AddressOfNames[i]);
HashValue = hash(szExportFunctionName);
if (HashValue == LOADLIBRARYA_HASH)
{
Ordinal = AddressOfNameOrdinals[i];
LoadLibraryAAddress = (pfnLoadLibraryA)((PUINT8)DllBaseAddress + AddressOfFunctions[Ordinal]);
FunctionCount--;
}
else if (HashValue == GETPROCADDRESS_HASH)
{
Ordinal = AddressOfNameOrdinals[i];
GetProcAddressAddress = (pfnGetProcAddress)((PUINT8)DllBaseAddress + AddressOfFunctions[Ordinal]);
FunctionCount--;
}
else if (HashValue == VIRTUALALLOC_HASH)
{
Ordinal = AddressOfNameOrdinals[i];
VirtualAllocAddress = (pfnVirtualAlloc)((PUINT8)DllBaseAddress + AddressOfFunctions[Ordinal]);
FunctionCount--;
}
}
}
else if (HashValue == NTDLLDLL_HASH)
{
FunctionCount = 1;
for (INT i = 0; i < ExportDirectory->NumberOfFunctions; i++)
{
if (FunctionCount == 0)
{
break;
}
CHAR* szExportFunctionName = (CHAR*)((PUINT8)DllBaseAddress + AddressOfNames[i]);
HashValue = hash(szExportFunctionName);
if (HashValue == NTFLUSHINSTRUCTIONCACHE_HASH)
{
Ordinal = AddressOfNameOrdinals[i];
NtFlushInstructionCacheAddress = (pfnNtFlushInstructionCache)((PUINT8)DllBaseAddress + AddressOfFunctions[Ordinal]);
FunctionCount--;
}
}
}
if (LoadLibraryAAddress != NULL &&
GetProcAddressAddress != NULL &&
VirtualAllocAddress != NULL &&
NtFlushInstructionCacheAddress != NULL)
{
break;
}
}
// 2.申请内存，重新加载我们的Dll
// 再次更新DosHeader和NtHeader
DosHeader = (PIMAGE_DOS_HEADER)LibraryAddress;
NtHeader = (PIMAGE_NT_HEADERS)((PUINT8)LibraryAddress + DosHeader->e_lfanew);
// 重新申请内存（SizeOfImage就是PE在内存中的大小）
/* _asm
{
int 3;
}
*/
// 这个自己重新申请的头指针不敢随便移动，使用一个变量来替代
UINT_PTR NewBaseAddress = (UINT_PTR)VirtualAllocAddress(NULL, NtHeader->OptionalHeader.SizeOfImage, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
UINT_PTR OldPtr = LibraryAddress;
UINT_PTR BasePtr = NewBaseAddress;
// 2.1首先拷贝头 + 节表
UINT32 SizeOfHeaders = NtHeader->OptionalHeader.SizeOfHeaders;
while (SizeOfHeaders--)
{
*(PUINT8)BasePtr++ = *(PUINT8)OldPtr++;
}
// memcpy((PVOID)NewBaseAddress, (PVOID)LibraryAddress, NtHeader->OptionalHeader.SizeOfHeaders);
/*
PIMAGE_SECTION_HEADER SectionHeader = (PIMAGE_SECTION_HEADER)((PUINT8)&NtHeader->OptionalHeader + NtHeader->FileHeader.SizeOfOptionalHeader);
UINT32 NumberOfSections = NtHeader->FileHeader.NumberOfSections;
while (NumberOfSections--)
{
UINT_PTR NewSectionAddress = (UINT_PTR)((PUINT8)NewBaseAddress + SectionHeader->VirtualAddress);
UINT_PTR OldSectionAddress = (UINT_PTR)((PUINT8)LibraryAddress + SectionHeader->PointerToRawData);
UINT32 SizeOfRawData = SectionHeader->SizeOfRawData;
while (SizeOfRawData--)
{
*(PUINT8)NewSectionAddress++ = *(PUINT8)OldSectionAddress++;
}
SectionHeader = (PIMAGE_SECTION_HEADER)((PUINT8)SectionHeader + sizeof(IMAGE_SECTION_HEADER));
}
*/
// 2.2拷贝节区
PIMAGE_SECTION_HEADER SectionHeader = IMAGE_FIRST_SECTION(NtHeader);
for (INT i = 0; i < NtHeader->FileHeader.NumberOfSections; i++)
{
if (SectionHeader[i].VirtualAddress == 0 || SectionHeader[i].SizeOfRawData == 0) // 节块里面没有数据
{
continue;
}
// 定位该节块在内存中的位置
UINT_PTR NewSectionAddress = (UINT_PTR)((PUINT8)NewBaseAddress + SectionHeader[i].VirtualAddress);
UINT_PTR OldSectionAddress = (UINT_PTR)((PUINT8)LibraryAddress + SectionHeader[i].PointerToRawData);
// 复制节块数据到虚拟内存
UINT32 SizeOfRawData = SectionHeader[i].SizeOfRawData;
while (SizeOfRawData--)
{
*(PUINT8)NewSectionAddress++ = *(PUINT8)OldSectionAddress++;
}
//memcpy(SectionAddress, (PVOID)((PUINT8)LibraryAddress + SectionHeader[i].PointerToRawData), SectionHeader[i].SizeOfRawData);
}
// 2.3修正导入表(IAT)
IMAGE_DATA_DIRECTORY ImportDataDirectory = (IMAGE_DATA_DIRECTORY)(NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT]);
PIMAGE_IMPORT_DESCRIPTOR ImportDescriptor = (PIMAGE_IMPORT_DESCRIPTOR)((PUINT8)NewBaseAddress + ImportDataDirectory.VirtualAddress);
/* 
_asm
{
int 3;
}
*/
/*
while (ImportDescriptor->Characteristics != 0)
{
PIMAGE_THUNK_DATA FirstThunk = (PIMAGE_THUNK_DATA)((PUINT8)NewBaseAddress + ImportDescriptor->FirstThunk);
PIMAGE_THUNK_DATA OriginalFirstThunk = (PIMAGE_THUNK_DATA)((PUINT8)NewBaseAddress + ImportDescriptor->OriginalFirstThunk);
// 获取导入模块名称
// char szModuleName[MAX_PATH] = { 0 };
PCHAR ModuleName = (PCHAR)((PUINT8)NewBaseAddress + ImportDescriptor->Name);
HMODULE Dll = LoadLibraryAAddress(ModuleName);
UINT_PTR FunctionAddress = 0;
for (INT i = 0; OriginalFirstThunk[i].u1.Function != 0; i++)
{
if (IMAGE_SNAP_BY_ORDINAL(OriginalFirstThunk[i].u1.Ordinal))
{
FunctionAddress = (UINT_PTR)GetProcAddressAddress(Dll, MAKEINTRESOURCEA((IMAGE_ORDINAL(OriginalFirstThunk[i].u1.Ordinal))));
}
else
{
PIMAGE_IMPORT_BY_NAME ImageImportByName = (PIMAGE_IMPORT_BY_NAME)((PUINT8)NewBaseAddress + OriginalFirstThunk[i].u1.AddressOfData);
FunctionAddress = (UINT_PTR)GetProcAddressAddress(Dll, (CHAR*)ImageImportByName->Name); // 通过函数名称得到函数地址
}
FirstThunk[i].u1.Function = FunctionAddress;
}
ImportDescriptor = (PIMAGE_IMPORT_DESCRIPTOR)((PUINT8)ImportDescriptor + sizeof(IMAGE_IMPORT_DESCRIPTOR));
}
*/
for (INT i = 0; ImportDescriptor[i].Name != NULL; i++)
{
// 加载导入动态库
HMODULE Dll = LoadLibraryAAddress((const CHAR*)((PUINT8)NewBaseAddress + ImportDescriptor[i].Name));
PIMAGE_THUNK_DATA OriginalFirstThunk = (PIMAGE_THUNK_DATA)((PUINT8)NewBaseAddress + ImportDescriptor[i].OriginalFirstThunk);
PIMAGE_THUNK_DATA FirstThunk = (PIMAGE_THUNK_DATA)((PUINT8)NewBaseAddress + ImportDescriptor[i].FirstThunk);
UINT_PTR FunctionAddress = 0;
// 遍历每个导入模块的函数
for (INT j = 0; OriginalFirstThunk[j].u1.Function; j++)
{
if (&OriginalFirstThunk[j] && IMAGE_SNAP_BY_ORDINAL(OriginalFirstThunk[j].u1.Ordinal))
{
// 序号导入---->这里直接从Dll的导出表中找到函数地址
// FunctionAddress = (UINT_PTR)GetProcAddressAddress(Dll, MAKEINTRESOURCEA((IMAGE_ORDINAL(OriginalFirstThunk[j].u1.Ordinal)))); // 除去最高位即为序号
DosHeader = (PIMAGE_DOS_HEADER)Dll;
NtHeader = (PIMAGE_NT_HEADERS)((PUINT8)Dll + DosHeader->e_lfanew);
PIMAGE_EXPORT_DIRECTORY ExportDirectory = (PIMAGE_EXPORT_DIRECTORY)((PUINT8)Dll + NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress);
// 导出函数地址RVA数组
PUINT32 AddressOfFunctions = (PUINT32)((PUINT8)Dll + ExportDirectory->AddressOfFunctions);
UINT16 Ordinal = IMAGE_ORDINAL(OriginalFirstThunk[j].u1.Ordinal - ExportDirectory->Base); // 导出函数编号 - Base(导出函数编号的起始值) = 导出函数在函数地址表中序号
FunctionAddress = (UINT_PTR)((PUINT8)Dll + AddressOfFunctions[Ordinal]);
}
else
{
// 名称导入
PIMAGE_IMPORT_BY_NAME ImageImportByName = (PIMAGE_IMPORT_BY_NAME)((PUINT8)NewBaseAddress + OriginalFirstThunk[j].u1.AddressOfData);
FunctionAddress = (UINT_PTR)GetProcAddressAddress(Dll, (CHAR*)ImageImportByName->Name); // 通过函数名称得到函数地址
}
// 更新IAT
FirstThunk[j].u1.Function = FunctionAddress;
}
}
// 2.4修正重定向表
DosHeader = (PIMAGE_DOS_HEADER)LibraryAddress;
NtHeader = (PIMAGE_NT_HEADERS)((PUINT8)LibraryAddress + DosHeader->e_lfanew);
// UINT_PTR Delta = NewBaseAddress - NtHeader->OptionalHeader.ImageBase;
IMAGE_DATA_DIRECTORY BaseRelocDataDirectory = (IMAGE_DATA_DIRECTORY)(NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC]);
// 有无重定向表
if (BaseRelocDataDirectory.Size != 0)
{
PIMAGE_BASE_RELOCATION BaseRelocation = (PIMAGE_BASE_RELOCATION)((PUINT8)NewBaseAddress + BaseRelocDataDirectory.VirtualAddress);
while (BaseRelocation->SizeOfBlock != 0)
{
typedef struct _IMAGE_RELOC
{
UINT16 Offset : 12; // 低12位---偏移
UINT16 Type : 4; // 高4位---类型
} IMAGE_RELOC, *PIMAGE_RELOC;
// 定位到重定位块
PIMAGE_RELOC RelocationBlock = (PIMAGE_RELOC)((PUINT8)BaseRelocation + sizeof(IMAGE_BASE_RELOCATION));
// 计算需要修正的重定向位项的数目
UINT32 NumberOfRelocations = (BaseRelocation->SizeOfBlock - sizeof(IMAGE_BASE_RELOCATION)) / sizeof(UINT16);
for (INT i = 0; i < NumberOfRelocations; i++)
{
if (RelocationBlock[i].Type == IMAGE_REL_BASED_DIR64)
{
// 64 位
PUINT64 Address = (PUINT64)((PUINT8)NewBaseAddress + BaseRelocation->VirtualAddress + RelocationBlock[i].Offset);
UINT64 Delta = (UINT64)NewBaseAddress - NtHeader->OptionalHeader.ImageBase;
*Address += Delta;
}
else if (RelocationBlock[i].Type == IMAGE_REL_BASED_HIGHLOW)
{
// 32 位
PUINT32 Address = (PUINT32)((PUINT8)NewBaseAddress + BaseRelocation->VirtualAddress + (RelocationBlock[i].Offset));
UINT32 Delta = (UINT32)NewBaseAddress - NtHeader->OptionalHeader.ImageBase;
*Address += Delta;
}
}
// 转到下一张重定向表
BaseRelocation = (PIMAGE_BASE_RELOCATION)((PUINT8)BaseRelocation + BaseRelocation->SizeOfBlock);
}
}
// 3.获得模块OEP
UINT_PTR AddressOfEntryPoint = (UINT_PTR)((PUINT8)NewBaseAddress + NtHeader->OptionalHeader.AddressOfEntryPoint);
NtFlushInstructionCacheAddress(INVALID_HANDLE_VALUE, NULL, 0);
// 调用通过OEP去调用DllMain
((pfnDllMain)AddressOfEntryPoint)((HMODULE)NewBaseAddress, DLL_PROCESS_ATTACH, lParam);
/* _asm
{
int 3;
}
*/
return AddressOfEntryPoint;
}

// dllmain.cpp : 定义 DLL 应用程序的入口点。
#include "stdafx.h"
BOOL APIENTRY DllMain( HMODULE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
{
MessageBoxA(0, 0, 0, 0);
break;
}
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}