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[旧帖] [原创]一个PsSetLoadImageNotifyRoutine回调内核注入DLL，支持xp ~ win7源码 0.00雪花
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发表于: 2011-9-11 10:43
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一个PsSetLoadImageNotifyRoutine回调内核注入DLL，支持xp ~ win7源码
最近看sudimi大牛写的《一个有趣的内核注DLL的sys》文章，确实很有趣，可惜没开源，俺也写个，把完整代码也贴上来了，欢迎拍砖。
安装驱动，打开dbgview.exe，注入mydll.dll！！
VOID Start (
IN PUNICODE_STRING FullImageName,
IN HANDLE ProcessId, // where image is mapped
IN PIMAGE_INFO ImageInfo
)
{
NTSTATUS ntStatus;
PIMAGE_IMPORT_DESCRIPTOR pImportNew;
HANDLE hProcessHandle;
int nImportDllCount = 0;
int size;
// PID改变时，可以说明已经注入DLL了。
if(g_ulPid != (ULONG)ProcessId && g_ulPid != 0 && g_psaveDes != NULL)
{
KAPC_STATE apcState;
BOOLEAN bAttached = FALSE;
//_asm int 3;
if(g_psaveDes!= NULL)
{
if(PsGetCurrentProcess() != g_eprocess) {
KeStackAttachProcess((PRKPROCESS)g_eprocess, &apcState);
bAttached = TRUE;
}
//
__asm {
cli;
mov eax, cr0;
mov oldCr0, eax;
and eax, not 10000h;
mov cr0, eax
}
// 改导出表
pHeader->OptionalHeader.DataDirectory[1].Size -= sizeof(IMAGE_IMPORT_DESCRIPTOR);
pHeader->OptionalHeader.DataDirectory[1].VirtualAddress = (ULONG)g_psaveDes - ulBaseImage;
__asm {
mov eax, oldCr0;
mov cr0, eax;
sti;
}
g_psaveDes = NULL;
if(bAttached)
KeUnstackDetachProcess(&apcState);
}
return ;
}
// 注入进程没退出。
if(g_eprocess != NULL)
return;
if(_stricmp(PsGetProcessImageFileName(PsGetCurrentProcess()), "dbgview.exe") == 0)
{
//_asm int 3;
g_eprocess = PsGetCurrentProcess();
g_ulPid = (ULONG )ProcessId;
ulBaseImage = (ULONG)ImageInfo->ImageBase;// 进程基地址
pDos =(PIMAGE_DOS_HEADER) ulBaseImage;
pHeader = (PIMAGE_NT_HEADERS)(ulBaseImage+(ULONG)pDos->e_lfanew);
pImportDesc = (PIMAGE_IMPORT_DESCRIPTOR)((ULONG)pHeader->OptionalHeader.DataDirectory[1].VirtualAddress + ulBaseImage);
// 导入DLL个数
nImportDllCount = pHeader->OptionalHeader.DataDirectory[1].Size / sizeof(IMAGE_IMPORT_DESCRIPTOR);
// 把原始值保存。
g_psaveDes = pImportDesc;
ntStatus = ObOpenObjectByPointer(g_eprocess, OBJ_KERNEL_HANDLE, NULL, 0x008, //PROCESS_VM_OPERATION
NULL, KernelMode, &hProcessHandle);
if(!NT_SUCCESS(ntStatus))
return ;
// 加上一个自己的结构。
size = sizeof(IMAGE_IMPORT_DESCRIPTOR) * (nImportDllCount + 1);
// 分配导入表
ntStatus = ZwAllocateVirtualMemory(hProcessHandle, &lpBuffer, 0, &size,
MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(!NT_SUCCESS(ntStatus)) {
ZwClose(hProcessHandle);
return ;
}
RtlZeroMemory(lpBuffer,sizeof(IMAGE_IMPORT_DESCRIPTOR) * (nImportDllCount + 1));
size = 20;
// 分配当前进程空间。
ntStatus = ZwAllocateVirtualMemory(hProcessHandle, &lpDllName, 0, &size,
MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(!NT_SUCCESS(ntStatus)) {
ZwClose(hProcessHandle);
return ;
}
RtlZeroMemory(lpDllName,20);
/* 分配导出函数的进程地址空间。
注意这里是分配高位地址的。如分配低位地址，得到PIMAGE_IMPORT_BY_NAME结构的地址会以，如ff等开头的负数地址，
这样，系统就会默认按序号查找API地址，会弹出找不到序号的框框。
*/
size = 20;
ntStatus = ZwAllocateVirtualMemory(hProcessHandle, &lpExportApi, 0, &size,
MEM_COMMIT|MEM_TOP_DOWN, PAGE_EXECUTE_READWRITE);
if(!NT_SUCCESS(ntStatus)) {
ZwClose(hProcessHandle);
return ;
}
RtlZeroMemory(lpExportApi,20);
// 分配当前进程空间。
size = 20;
ntStatus = ZwAllocateVirtualMemory(hProcessHandle, &lpTemp, 0, &size,
MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(!NT_SUCCESS(ntStatus)) {
ZwClose(hProcessHandle);
return ;
}
RtlZeroMemory(lpTemp,20);
// 分配当前进程空间。
size = 20;
ntStatus = ZwAllocateVirtualMemory(hProcessHandle, &lpTemp2, 0, &size,
MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(!NT_SUCCESS(ntStatus)) {
ZwClose(hProcessHandle);
return ;
}
RtlZeroMemory(lpTemp2,20);
pImportNew = lpBuffer;
// 把原来数据保存好。
RtlCopyMemory(pImportNew+1, pImportDesc, sizeof(IMAGE_IMPORT_DESCRIPTOR) * nImportDllCount );
// 构造自己的DLL IMAGE_IMPORT_DESCRIPTOR结构
{
IMAGE_IMPORT_DESCRIPTOR Add_ImportDesc;
PULONG ulAddress;
ULONG oldCr0;
ULONG Func;
PIMAGE_IMPORT_BY_NAME ptmp;
IMAGE_THUNK_DATA *pThunkData=(PIMAGE_THUNK_DATA)lpTemp2;
//_asm int 3;
//
// ThunkData结构的地址
//
ptmp = (PIMAGE_IMPORT_BY_NAME)lpExportApi;
ptmp->Hint=0;
// 至少要一个导出API
RtlCopyMemory(ptmp->Name,"ExportedFunction",18);
*(PULONG)lpTemp =(DWORD)ptmp-ulBaseImage;
pThunkData->u1.AddressOfData =(DWORD)ptmp-ulBaseImage;
//pThunkData[1].u1.AddressOfData = 0;//导出函数截断
Add_ImportDesc.Characteristics = (DWORD)pThunkData-ulBaseImage;
Add_ImportDesc.TimeDateStamp = 0;
Add_ImportDesc.ForwarderChain = 0;
//
// DLL名字的RVA
//
RtlCopyMemory(lpDllName,"mydll.dll",20);
Add_ImportDesc.Name = (DWORD)lpDllName-ulBaseImage;
Add_ImportDesc.FirstThunk = Add_ImportDesc.Characteristics;
RtlCopyMemory(pImportNew, &Add_ImportDesc, sizeof(IMAGE_IMPORT_DESCRIPTOR));
__asm {
cli;
mov eax, cr0;
mov oldCr0, eax;
and eax, not 10000h;
mov cr0, eax
}
// 改导出表
pHeader->OptionalHeader.DataDirectory[1].Size += sizeof(IMAGE_IMPORT_DESCRIPTOR);
pHeader->OptionalHeader.DataDirectory[1].VirtualAddress = (ULONG)pImportNew - ulBaseImage;
__asm {
mov eax, oldCr0;
mov cr0, eax;
sti;
}
}
ZwClose(hProcessHandle);
hProcessHandle = NULL;
}
}
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