apc啓動新進程
http://www.codeproject.com/Articles/13572/Starting-a-Process-from-KernelModeapp
#include "Process.h"
typedef enum
{
OriginalApcEnvironment,
AttachedApcEnvironment,
CurrentApcEnvironment
} KAPC_ENVIRONMENT;
void ApcKernelRoutine( IN struct _KAPC *Apc, IN OUT PKNORMAL_ROUTINE *NormalRoutine, IN OUT PVOID *NormalContext, IN OUT PVOID *SystemArgument1, IN OUT PVOID *SystemArgument2 ) ;
NTSTATUS InstallUserModeApc(LPSTR lpProcess, PKTHREAD pTargetThread, PEPROCESS pTargetProcess);
void ApcCreateProcess(PVOID NormalContext, PVOID SystemArgument1, PVOID SystemArgument2);
void ApcCreateProcessEnd();
#pragma alloc_text(PAGE, RunProcess)
#pragma alloc_text(PAGE, ApcKernelRoutine)
#pragma alloc_text(PAGE, InstallUserModeApc)
#pragma alloc_text(PAGE, ApcCreateProcess)
#pragma alloc_text(PAGE, ApcCreateProcessEnd)
//=====================================================================================//
//Name: void RunProcess() //
// //
//Descripion: This routine retrieves the list of all processes running on the machine, //
// searches for 'explorer.exe', gets one thread from it's PEPROCESS struct, //
// then it queues an APC to that thread //
//=====================================================================================//
void RunProcess(LPSTR lpProcess)
{
PEPROCESS pTargetProcess = NULL; //self explanatory
PKTHREAD pTargetThread = NULL; //thread that can be either alerable or non-alertable
PKTHREAD pNotAlertableThread = NULL; //non-alertable thread
PEPROCESS pSystemProcess = NULL; //May not necessarily be the 'System' process
PETHREAD pTempThread = NULL;
PLIST_ENTRY pNextEntry, pListHead, pThNextEntry;
if(strlen(lpProcess)>300) return; //name not longer than 300 characters
pSystemProcess = PsGetCurrentProcess(); //make sure you are running at IRQL PASSIVE_LEVEL
if(!pSystemProcess)
{
DbgPrint("KernelExec -> Cannot find 'System' process!");
return;
}
if(IsListEmpty(&pSystemProcess->ActiveProcessLinks))
DbgPrint("KernelExec -> No processes found!");
else
{
pListHead = &pSystemProcess->ActiveProcessLinks;
pNextEntry = pListHead->Flink;
while(pNextEntry != pListHead) //start looping through the available processes
{
pSystemProcess = CONTAINING_RECORD(pNextEntry,EPROCESS,ActiveProcessLinks);
if(pSystemProcess->ActiveThreads)
{
if(!IsListEmpty(&pSystemProcess->ThreadListHead))
{
//Is this explorer.exe?
if(_strnicmp(pSystemProcess->ImageFileName,"explorer.exe",12)==0)
{
pTargetProcess = pSystemProcess; //Yes,we have found it!
pTargetThread = pNotAlertableThread = NULL;
pThNextEntry = pSystemProcess->ThreadListHead.Flink;
//Now we loop through it's threads, seeking an alertable thread
while(pThNextEntry != &pSystemProcess->ThreadListHead)
{
pTempThread = CONTAINING_RECORD(pThNextEntry,ETHREAD,ThreadListEntry);
if(pTempThread->Tcb.Alertable) //Tcb is the KTHREAD of this ETHREAD and stands for 'Thread Control Block'
{
//Good, an alertable thread was found.
pTargetThread = &pTempThread->Tcb;
DbgPrint("KernelExec -> Found alertable thread");
//We will be using this one, so break now
break;
}
else
{
//Didn't find an alertable thread yet, so we'll keep this one
//just in case we won't find ANY alertable threads
pNotAlertableThread = &pTempThread->Tcb;
}
pThNextEntry = pThNextEntry->Flink; //check next thread
}
break;
}
}
}
pSystemProcess = NULL;
pNextEntry = pNextEntry->Flink; //get next process
}
}
if(!pTargetProcess)
{
DbgPrint("KernelExec -> Couldn't find Explorer.exe!");
return;
}
if(!pTargetThread)
{
//No alertable thread was found, so let's hope we've at least got a non-alertable one (we'll set its alertable flag ON)
//There's no problem with non-alertable threads, except for the fact that it takes
//a little longer for them to return from KernelMode. (that means our process execution will be delayed)
pTargetThread = pNotAlertableThread;
}
if(pTargetThread)
{
DbgPrint("KernelExec -> Targeted thread: 0x%p",pTargetThread);
//We have one thread (alertable or n/a), now install the APC
InstallUserModeApc(lpProcess, pTargetThread,pTargetProcess);
}
else
DbgPrint("KernelExec -> No thread found!"); //Explorer exe with NO threads (???)
}
PMDL pMdl = NULL;
//===================================================================//
//Name: VOID ApcKernelRoutine() //
// //
//Descripion: This routine gets called after the APC routine returns //
// (our process should have been executed by then) //
// It frees all the memory allocated by InstallUserModeApc//
// (APC and MDL) //
//===================================================================//
void ApcKernelRoutine( IN struct _KAPC *Apc, IN OUT PKNORMAL_ROUTINE *NormalRoutine,
IN OUT PVOID *NormalContext, IN OUT PVOID *SystemArgument1, IN OUT PVOID *SystemArgument2 )
{
if (Apc)
ExFreePool(Apc);
if(pMdl)
{
MmUnlockPages(pMdl);
IoFreeMdl (pMdl);
pMdl = NULL;
}
DbgPrint("KernelExec -> ApcKernelRoutine called. Memory freed.");
}
//===================================================================//
//Name: //
// NTSTATUS InstallUserModeApc() //
// //
//Paramters: //
// lpProcess - Full path of the process to be executes //
// pTargetThread - This is where we queue our APC //
// pTargetProcess - Should point to Explorer's EPROCESS //
// //
//Descripion: This routine attaches to 'pTargetThread' and it queues //
// a UserMode APC that will be excuted next time the //
// thread returns from KernelMode //
//===================================================================//
NTSTATUS
InstallUserModeApc(LPSTR lpProcess, PKTHREAD pTargetThread, PEPROCESS pTargetProcess)
{
PRKAPC pApc = NULL; //Our APC
PVOID pMappedAddress = NULL; //This is where the UserMode routine's code will be placed at
ULONG dwSize = 0; //Size of code to be executed in Explorer's address space
KAPC_STATE ApcState; // Needed for KeStackAttachProcess
ULONG *data_addr=0; //just a helper to change the address of the 'push' instruction
//in the ApcCreateProcess routine
ULONG dwMappedAddress = 0; //same as above
NTSTATUS Status = STATUS_UNSUCCESSFUL;
if (!pTargetThread || !pTargetProcess)
return STATUS_UNSUCCESSFUL;
//Allocate memory for our APC
pApc = ExAllocatePool (NonPagedPool,sizeof (KAPC));
if (!pApc)
{
DbgPrint("KernelExec -> Failed to allocate memory for the APC structure");
return STATUS_INSUFFICIENT_RESOURCES;
}
//Get the size of our UserMode code
dwSize = (unsigned char*)ApcCreateProcessEnd-(unsigned char*)ApcCreateProcess;
//Allocate an MDL describing our ApcCreateProcess' memory
pMdl = IoAllocateMdl (ApcCreateProcess, dwSize, FALSE,FALSE,NULL);
if (!pMdl)
{
DbgPrint("KernelExec -> Failed to allocate MDL");
ExFreePool (pApc);
return STATUS_INSUFFICIENT_RESOURCES;
}
__try
{
//Probe the pages for Write access and make them memory resident
MmProbeAndLockPages (pMdl,KernelMode,IoWriteAccess);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
DbgPrint("KernelExec -> Exception during MmProbeAndLockPages");
IoFreeMdl (pMdl);
ExFreePool (pApc);
return STATUS_UNSUCCESSFUL;
}
//Attach to the Explorer's address space
KeStackAttachProcess(&(pTargetProcess->Pcb),&ApcState);
//Now map the physical pages (our code) described by 'pMdl'
pMappedAddress = MmMapLockedPagesSpecifyCache (pMdl,UserMode,MmCached,NULL,FALSE,NormalPagePriority);
if (!pMappedAddress)
{
DbgPrint("KernelExec -> Cannot map address");
KeUnstackDetachProcess (&ApcState);
IoFreeMdl (pMdl);
ExFreePool (pApc);
return STATUS_UNSUCCESSFUL;
}
else
DbgPrint("KernelExec -> UserMode memory at address: 0x%p",pMappedAddress);
dwMappedAddress = (ULONG)pMappedAddress;
memset ((unsigned char*)pMappedAddress + 0x14, 0, 300);//zero everything out ecxept our assembler code
memcpy ((unsigned char*)pMappedAddress + 0x14, lpProcess,strlen (lpProcess)); //copy the path to the executable
data_addr = (ULONG*)((char*)pMappedAddress+0x9); //address pushed on the stack (originaly 0xabcd)...
*data_addr = dwMappedAddress+0x14; //..gets changed to point to our exe's path
//all done, detach now
KeUnstackDetachProcess (&ApcState);
//Initialize the APC...
KeInitializeApc(pApc,pTargetThread,
OriginalApcEnvironment,
&ApcKernelRoutine,NULL,
pMappedAddress, UserMode, (PVOID) NULL);
//...and queue it
if (!KeInsertQueueApc(pApc,0,NULL,0))
{
DbgPrint("KernelExec -> Failed to insert APC");
MmUnlockPages(pMdl);
IoFreeMdl (pMdl);
ExFreePool (pApc);
return STATUS_UNSUCCESSFUL;
}
else
{
DbgPrint("KernelExec -> APC delivered");
}
//is this a non-alertable thread?
if(!pTargetThread->ApcState.UserApcPending)
{
//if yes then alert it
pTargetThread->ApcState.UserApcPending = TRUE;
}
return 0;
}
//=====================================================================================//
//Name: void ApcCreateProcess() //
// //
//Descripion: This is the code that runs in UserMode. 0x7X86114D is the address of //
// WinExec on WinXP SP2. You can do everything here and not crash the system//
// (but Explorer WILL crash, if you do something stupid) //
//=====================================================================================//
__declspec(naked) void ApcCreateProcess(PVOID NormalContext, PVOID SystemArgument1, PVOID SystemArgument2)
{
__asm
{
mov eax,0x7C86114D
push 1
nop
push 0xabcd
call eax
jmp end
nop
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end:
nop
ret 0x0c
}
}
void ApcCreateProcessEnd(){}
#include "KernelExec.h"
#include "Process.h"
NTSTATUS DriverEntry(PDRIVER_OBJECT pDriverObject, PUNICODE_STRING pRegistryPath)
{
NTSTATUS NtStatus = STATUS_SUCCESS;
PDEVICE_OBJECT pDeviceObject = NULL;
UNICODE_STRING usDriverName, usDosDeviceName;
RtlInitUnicodeString(&usDriverName, L"\\Device\\KernelExec");
NtStatus = IoCreateDevice(pDriverObject, 0, &usDriverName, FILE_DEVICE_UNKNOWN, FILE_DEVICE_SECURE_OPEN, FALSE, &pDeviceObject);
if(NtStatus == STATUS_SUCCESS)
{
pDriverObject->MajorFunction[IRP_MJ_CLEANUP] = KE_Dispatch;
pDriverObject->MajorFunction[IRP_MJ_CLOSE] = KE_Dispatch;
pDriverObject->MajorFunction[IRP_MJ_CREATE] = KE_Dispatch;
pDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = KE_Dispatch;
pDriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = KE_Dispatch;
pDriverObject->MajorFunction[IRP_MJ_READ] = KE_Dispatch;
pDriverObject->MajorFunction[IRP_MJ_WRITE] = KE_Dispatch;
pDriverObject->DriverUnload = KE_Unload;
DbgPrint("KernelExec -> Driver Loaded");
}
RunProcess("c:\\rawwrite.exe");
return NtStatus;
}
VOID KE_Unload(PDRIVER_OBJECT DriverObject)
{
IoDeleteDevice(DriverObject->DeviceObject);
DbgPrint("KernelExec -> Driver Unloaded");
}
NTSTATUS KE_Dispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
//Nothing to do here, just complete the request and return
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
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相關文章
- 1. 進程啓動慢
- 2. zygote進程啓動
- 3. delphi版插apc殺進程驅動源碼
- 4. Zygote進程啓動流程
- 5. linux進程啓動流程
- 6. ceph進程啓動流程
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- 9. Zygote及System進程啓動
- 10. 查、殺、啓動進程