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另类阻止驱动加载
标 题: 【分享】【原创】另类阻止驱动加载
作 者: czcqq
时 间: 2010-05-04,22:27:47
链 接: http://bbs.pediy.com/showthread.php?t=112338
关于驱动的加载大概有几种方法
1 在WINDOWS下动态加载
2 在WINDOWS启动的时候加载
3 感染系统文件
对于 在WINDOWS启动的时候加载 和 感染系统文件 我们暂时不讨论，玩么只讨论动态加载
一般的加载流程，是这样的:打开服务管理器->创建服务->启动服务->(系统加载驱动)
这个过程系统最终会调用NtLoadDriver来加载驱动(也可以用Ntdll.dll里面的NtSetSystemInformation来加载)
而NtLoadDriver 会向系统插入一个作业，然后等待另外一个系统线程来加载驱动，并等待驱动的加载完成(NtSetSystemInformation也是一样的)，然后返回
这样我们就可以HOOK NtLoadDriver和NtSetSystemInformation来阻止驱动加载，但是这个方法已经用烂了，这里我HOOK NtCreateSection来阻止驱动加载
为什么HOOK NtCreateSection呢？？？
因为在另外一个线程取得消息加载驱动的时候会调用NtCreateSection来映射驱动到内核内存空间
(流程:大概是这样 IoCreateFile(打开驱动文件，将它的第二个参数设置为FILE_EXECUTE | SYNCHRONIZE) -> NtCreateSection(为驱动在内核内存空间创建一个节) ->NtMapViewOfSection(映射驱动到内核内存空间) -> 寻找驱动的DriverEntry，并调用 -> ZwClose(关闭文件句柄) ->然后通知NtLoadDriver(或者NtSetSystemInformation)驱动加载完成->NtLoadDriver(或者NtSetSystemInformation)返回用户层，并通知用户驱动加载完成)
在驱动加载流程中，我们可以看到我们有很多机会劫持驱动的加载
我们可以HOOK NtCreateSection 或者 NtMapViewOfSection 来阻止驱动加载
这里我采用HOOK NtCreateSection的办法阻止驱动加载
以下为代码
#include <ntifs.h>
//声明用到的头文件和结构 宏等
#include "NtCreateSection.h"
#if DBG
#define DriversUnload(Address, p) \
Address->DriverUnload=p;
#else
#define DriversUnload(Address, p) \
Address->DriverUnload=NULL;
#endif
typedef int BOOL;
typedef unsigned int UINT;
typedef unsigned long DWORD;
typedef unsigned short WORD;
typedef void *LPVOID;
typedef unsigned char BYTE;
typedef DWORD *PDWORD;
typedef BYTE *PBYTE;
typedef WORD *PWORD;
#define PAGE_NOACCESS 0x01
#define PAGE_READONLY 0x02
#define PAGE_READWRITE 0x04
#define PAGE_WRITECOPY 0x08
#define PAGE_EXECUTE 0x10
#define PAGE_EXECUTE_READ 0x20
#define PAGE_EXECUTE_READWRITE 0x40
#define PAGE_EXECUTE_WRITECOPY 0x80
#define PAGE_GUARD 0x100
#define PAGE_NOCACHE 0x200
#define PAGE_WRITECOMBINE 0x400
#define MEM_COMMIT 0x1000
#define MEM_RESERVE 0x2000
#define MEM_DECOMMIT 0x4000
#define MEM_RELEASE 0x8000
#define MEM_FREE 0x10000
#define MEM_PRIVATE 0x20000
#define MEM_MAPPED 0x40000
#define MEM_RESET 0x80000
#define MEM_TOP_DOWN 0x100000
#define MEM_4MB_PAGES 0x80000000
#define SEC_FILE 0x800000
#define SEC_IMAGE 0x1000000
#define SEC_VLM 0x2000000
#define SEC_RESERVE 0x4000000
#define SEC_COMMIT 0x8000000
#define SEC_NOCACHE 0x10000000
#define MEM_IMAGE SEC_IMAGE
PVOID WriteAddress=NULL;
PMDL pMdl=NULL;
//声明所需要的函数
NTSYSAPI
NTSTATUS
NTAPI
ZwYieldExecution(
VOID
);
PVOID NTAPI GetJmpAddress(PVOID Fun,BOOL *Call_Code);
NTSTATUS
NTAPI
CallBack_NtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
);
NTSTATUS
NTAPI
OldNtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
);
void makejmp(LPVOID Fun1,LPVOID Fun2,LPVOID jmp);
#pragma alloc_text(PAGE,makejmp)
#pragma alloc_text(PAGE,OldNtCreateSection)
#pragma alloc_text(PAGE,CallBack_NtCreateSection)
#pragma alloc_text(PAGE,GetJmpAddress)
//所有声明结束
//驱动入口
NTSTATUS DriverEntry(
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath
)
{
NTSTATUS Status = 0;
PDEVICE_OBJECT pDeviceObject = NULL;
//创建设备，这个就不讲解了，大家明白就好，我重点讲解HOOK过程
Status = IoCreateDevice(
DriverObject,
0,
NULL,
FILE_DEVICE_UNKNOWN,
0,
FALSE,
&pDeviceObject
);
if ( NT_SUCCESS(Status) ) {
KIRQL oldIrql;
PVOID HookAddress = NULL;
BOOL Hook=0;
PVOID JmpData=http://www.mamicode.com/ExAllocatePool(NonPagedPool,5);//申请内存，用来保存内容为Jmp CallBack_NtCreateSection的代码
DriversUnload(DriverObject,Unload);//设置DriverObject->DriverUnload = Unload;这个宏只有在调试版本的时候才会设置
//DriverObject->DriverUnload = Unload;如果不是调试版本，就会设置DriverObject->DriverUnload = NULL;
if(JmpData=http://www.mamicode.com/=NULL)
{
DbgPrint("HOOK NtCreateSection失败! 内存申请失败\n");
return Status;
}
memset(JmpData,0x90,5);//初始化JmpData内容为NOP
//将NtCreateSection的头7个字节复制到OldNtCreateSection中来
pMdl=IoCreateWriteMdlForAddress(OldNtCreateSection,&WriteAddress,7);
if(pMdl==NULL)
{
DbgPrint("HOOK NtCreateSection失败! OldNtCreateSection 写入失败\n");
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
WriteAddress=NULL;
pMdl=NULL;
return Status;
}
memcpy(WriteAddress,NtCreateSection,7);
IoFreeMdlForAddress(WriteAddress,pMdl);
WriteAddress=NULL;
//将NtCreateSection的头5字节变成可写
pMdl=IoCreateWriteMdlForAddress(NtCreateSection,&WriteAddress,7);
if(pMdl==NULL)
{
DbgPrint("HOOK NtCreateSection失败! NtCreateSection 写入失败\n");
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
WriteAddress=NULL;
pMdl=NULL;
return Status;
}
//检查是否已经被别人HOOK，如果已经被别人HOOK则我们退出HOOK，这里是可以改进的，但是我没有时间写，只能退出HOOK
HookAddress=GetJmpAddress(NtCreateSection,&Hook);
if(HookAddress!=NULL)
{
DbgPrint("HOOK NtCreateSection失败! 发现NtCreateSection已经被别人HOOK 所以本HOOK退出\n");
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
IoFreeMdlForAddress(WriteAddress,pMdl);
WriteAddress=NULL;
pMdl=NULL;
return Status;
}
//HOOK NtCreateSection
if(NT_SUCCESS(ZwYieldExecution()))//先向系统申请CPU时间
{
_asm cli//关闭中断
oldIrql = KeRaiseIrqlToDpcLevel();//提升到DPC级别
memset(WriteAddress,0x90,7);//修改NtCreateSection的前7个字节为NOP指令
makejmp(NtCreateSection,CallBack_NtCreateSection,JmpData);//取得 Jmp CallBack_NtCreateSection的代码，代码保存在JmpData中
memcpy(WriteAddress,JmpData,5);//修改NtCreateSection前5个字节为 Jmp CallBack_NtCreateSection
KeLowerIrql(oldIrql);//还原到原来的IRQL级别
_asm sti//开中断
}else
{
DbgPrint("申请CPU时间失败，HOOK退出\n");
}
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
}
return Status;
}
//我们的NtCreateSection过滤函数
NTSTATUS
NTAPI
CallBack_NtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
)
{
NTSTATUS Status = 0;
Status = OldNtCreateSection(
SectionHandle,
DesiredAccess,
ObjectAttributes ,
MaximumSize ,
SectionPageProtection,
AllocationAttributes,
FileHandle);
if ( NT_SUCCESS(Status) )
{
//进行行为判断,如果是要加载驱动，我们就直接返回错误，并关闭句柄,如果不是就返回原来的结果
if(((DWORD)PsGetCurrentProcessId()==(DWORD)4)|((DWORD)PsGetCurrentProcessId()==(DWORD)8)|((DWORD)PsGetCurrentProcessId()==(DWORD)0))
{
if((FlagOn(DesiredAccess,SECTION_MAP_EXECUTE))||(FlagOn(DesiredAccess,PAGE_EXECUTE_READ)))
if((PAGE_EXECUTE==SectionPageProtection)|(AllocationAttributes==SEC_IMAGE))
{
ZwClose(*SectionHandle);
*SectionHandle=NULL;
return STATUS_ACCESS_DENIED;
}
}
}
return Status;
}
//用来跳转到原函数的一个裸函数
__declspec(naked)NTSTATUS
NTAPI
OldNtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
)
{
_asm
{
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax,NtCreateSection //将原函数地址送入eax
add eax,7 //eax加7，用来跳过我们的HOOK
push eax //将eax压入
ret //跳回原函数
}
}
//用来生成跳转代码的函数
void makejmp(LPVOID Fun1,LPVOID Fun2,LPVOID jmp)
{
BYTE *data=http://www.mamicode.com/(BYTE *)jmp;
long dFun1=(long)Fun1;
long dFun2=(long)Fun2;
DWORD H;
data[0]=0xe9;
_asm
{
mov eax,dFun1
mov edx,dFun2
sub edx,eax
sub edx,5
mov H,edx
}
memcpy(&data[1],(void *)&H,4);
}
VOID Unload(
IN PDRIVER_OBJECT DriverObject
)
{
KIRQL oldIrql;
while(!NT_SUCCESS(ZwYieldExecution()))//取得CPU时间，如果取得失败，就一直获取，直到成功
{
}
if(pMdl!=NULL)//检查我们是否已经进行过HOOK，//如果我们进行过HOOK 就还原
{
oldIrql = KeRaiseIrqlToDpcLevel();
memcpy(WriteAddress,OldNtCreateSection,7);
KeLowerIrql(oldIrql);
IoFreeMdlForAddress(WriteAddress,pMdl);
}
IoDeleteDevice(DriverObject->DeviceObject);//删除设备
pMdl=NULL;
WriteAddress=NULL;
}
PVOID NTAPI GetJmpAddress(PVOID Fun,BOOL *Call_Code)
{
PVOID Return=NULL;
BYTE *data=http://www.mamicode.com/(BYTE *)Fun;
DWORD Old=0;
if(data[0]==0xe9)
{
*Call_Code=0;
}else if (data[0]==0xe8)
{
*Call_Code=1;
}else
{
*Call_Code=2;
return NULL;
}
memcpy((void *)&Old,&data[1],4);
_asm
{
mov eax,Old
mov edx,Fun
add eax,edx
add eax,5
mov Return,eax
}
return Return;
}
这个驱动只支持单核心CPU 多核心CPU请自行修改（将所有CPU都提升到DPC级别 以后再进行HOOK）驱动加载流程是看了WIN2K的代码来讲的，WIN2K的代码很长，所以就简单的讲了一下*转载请注明来自看雪论坛@PEdiy.com
作 者: czcqq
时 间: 2010-05-04,22:27:47
链 接: http://bbs.pediy.com/showthread.php?t=112338
关于驱动的加载大概有几种方法
1 在WINDOWS下动态加载
2 在WINDOWS启动的时候加载
3 感染系统文件
对于 在WINDOWS启动的时候加载 和 感染系统文件 我们暂时不讨论，玩么只讨论动态加载
一般的加载流程，是这样的:打开服务管理器->创建服务->启动服务->(系统加载驱动)
这个过程系统最终会调用NtLoadDriver来加载驱动(也可以用Ntdll.dll里面的NtSetSystemInformation来加载)
而NtLoadDriver 会向系统插入一个作业，然后等待另外一个系统线程来加载驱动，并等待驱动的加载完成(NtSetSystemInformation也是一样的)，然后返回
这样我们就可以HOOK NtLoadDriver和NtSetSystemInformation来阻止驱动加载，但是这个方法已经用烂了，这里我HOOK NtCreateSection来阻止驱动加载
为什么HOOK NtCreateSection呢？？？
因为在另外一个线程取得消息加载驱动的时候会调用NtCreateSection来映射驱动到内核内存空间
(流程:大概是这样 IoCreateFile(打开驱动文件，将它的第二个参数设置为FILE_EXECUTE | SYNCHRONIZE) -> NtCreateSection(为驱动在内核内存空间创建一个节) ->NtMapViewOfSection(映射驱动到内核内存空间) -> 寻找驱动的DriverEntry，并调用 -> ZwClose(关闭文件句柄) ->然后通知NtLoadDriver(或者NtSetSystemInformation)驱动加载完成->NtLoadDriver(或者NtSetSystemInformation)返回用户层，并通知用户驱动加载完成)
在驱动加载流程中，我们可以看到我们有很多机会劫持驱动的加载
我们可以HOOK NtCreateSection 或者 NtMapViewOfSection 来阻止驱动加载
这里我采用HOOK NtCreateSection的办法阻止驱动加载
以下为代码
#include <ntifs.h>
//声明用到的头文件和结构 宏等
#include "NtCreateSection.h"
#if DBG
#define DriversUnload(Address, p) \
Address->DriverUnload=p;
#else
#define DriversUnload(Address, p) \
Address->DriverUnload=NULL;
#endif
typedef int BOOL;
typedef unsigned int UINT;
typedef unsigned long DWORD;
typedef unsigned short WORD;
typedef void *LPVOID;
typedef unsigned char BYTE;
typedef DWORD *PDWORD;
typedef BYTE *PBYTE;
typedef WORD *PWORD;
#define PAGE_NOACCESS 0x01
#define PAGE_READONLY 0x02
#define PAGE_READWRITE 0x04
#define PAGE_WRITECOPY 0x08
#define PAGE_EXECUTE 0x10
#define PAGE_EXECUTE_READ 0x20
#define PAGE_EXECUTE_READWRITE 0x40
#define PAGE_EXECUTE_WRITECOPY 0x80
#define PAGE_GUARD 0x100
#define PAGE_NOCACHE 0x200
#define PAGE_WRITECOMBINE 0x400
#define MEM_COMMIT 0x1000
#define MEM_RESERVE 0x2000
#define MEM_DECOMMIT 0x4000
#define MEM_RELEASE 0x8000
#define MEM_FREE 0x10000
#define MEM_PRIVATE 0x20000
#define MEM_MAPPED 0x40000
#define MEM_RESET 0x80000
#define MEM_TOP_DOWN 0x100000
#define MEM_4MB_PAGES 0x80000000
#define SEC_FILE 0x800000
#define SEC_IMAGE 0x1000000
#define SEC_VLM 0x2000000
#define SEC_RESERVE 0x4000000
#define SEC_COMMIT 0x8000000
#define SEC_NOCACHE 0x10000000
#define MEM_IMAGE SEC_IMAGE
PVOID WriteAddress=NULL;
PMDL pMdl=NULL;
//声明所需要的函数
NTSYSAPI
NTSTATUS
NTAPI
ZwYieldExecution(
VOID
);
PVOID NTAPI GetJmpAddress(PVOID Fun,BOOL *Call_Code);
NTSTATUS
NTAPI
CallBack_NtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
);
NTSTATUS
NTAPI
OldNtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
);
void makejmp(LPVOID Fun1,LPVOID Fun2,LPVOID jmp);
#pragma alloc_text(PAGE,makejmp)
#pragma alloc_text(PAGE,OldNtCreateSection)
#pragma alloc_text(PAGE,CallBack_NtCreateSection)
#pragma alloc_text(PAGE,GetJmpAddress)
//所有声明结束
//驱动入口
NTSTATUS DriverEntry(
IN PDRIVER_OBJECT DriverObject,
IN PUNICODE_STRING RegistryPath
)
{
NTSTATUS Status = 0;
PDEVICE_OBJECT pDeviceObject = NULL;
//创建设备，这个就不讲解了，大家明白就好，我重点讲解HOOK过程
Status = IoCreateDevice(
DriverObject,
0,
NULL,
FILE_DEVICE_UNKNOWN,
0,
FALSE,
&pDeviceObject
);
if ( NT_SUCCESS(Status) ) {
KIRQL oldIrql;
PVOID HookAddress = NULL;
BOOL Hook=0;
PVOID JmpData=http://www.mamicode.com/ExAllocatePool(NonPagedPool,5);//申请内存，用来保存内容为Jmp CallBack_NtCreateSection的代码
DriversUnload(DriverObject,Unload);//设置DriverObject->DriverUnload = Unload;这个宏只有在调试版本的时候才会设置
//DriverObject->DriverUnload = Unload;如果不是调试版本，就会设置DriverObject->DriverUnload = NULL;
if(JmpData=http://www.mamicode.com/=NULL)
{
DbgPrint("HOOK NtCreateSection失败! 内存申请失败\n");
return Status;
}
memset(JmpData,0x90,5);//初始化JmpData内容为NOP
//将NtCreateSection的头7个字节复制到OldNtCreateSection中来
pMdl=IoCreateWriteMdlForAddress(OldNtCreateSection,&WriteAddress,7);
if(pMdl==NULL)
{
DbgPrint("HOOK NtCreateSection失败! OldNtCreateSection 写入失败\n");
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
WriteAddress=NULL;
pMdl=NULL;
return Status;
}
memcpy(WriteAddress,NtCreateSection,7);
IoFreeMdlForAddress(WriteAddress,pMdl);
WriteAddress=NULL;
//将NtCreateSection的头5字节变成可写
pMdl=IoCreateWriteMdlForAddress(NtCreateSection,&WriteAddress,7);
if(pMdl==NULL)
{
DbgPrint("HOOK NtCreateSection失败! NtCreateSection 写入失败\n");
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
WriteAddress=NULL;
pMdl=NULL;
return Status;
}
//检查是否已经被别人HOOK，如果已经被别人HOOK则我们退出HOOK，这里是可以改进的，但是我没有时间写，只能退出HOOK
HookAddress=GetJmpAddress(NtCreateSection,&Hook);
if(HookAddress!=NULL)
{
DbgPrint("HOOK NtCreateSection失败! 发现NtCreateSection已经被别人HOOK 所以本HOOK退出\n");
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
IoFreeMdlForAddress(WriteAddress,pMdl);
WriteAddress=NULL;
pMdl=NULL;
return Status;
}
//HOOK NtCreateSection
if(NT_SUCCESS(ZwYieldExecution()))//先向系统申请CPU时间
{
_asm cli//关闭中断
oldIrql = KeRaiseIrqlToDpcLevel();//提升到DPC级别
memset(WriteAddress,0x90,7);//修改NtCreateSection的前7个字节为NOP指令
makejmp(NtCreateSection,CallBack_NtCreateSection,JmpData);//取得 Jmp CallBack_NtCreateSection的代码，代码保存在JmpData中
memcpy(WriteAddress,JmpData,5);//修改NtCreateSection前5个字节为 Jmp CallBack_NtCreateSection
KeLowerIrql(oldIrql);//还原到原来的IRQL级别
_asm sti//开中断
}else
{
DbgPrint("申请CPU时间失败，HOOK退出\n");
}
ExFreePool(JmpData);
JmpData=http://www.mamicode.com/NULL;
}
return Status;
}
//我们的NtCreateSection过滤函数
NTSTATUS
NTAPI
CallBack_NtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
)
{
NTSTATUS Status = 0;
Status = OldNtCreateSection(
SectionHandle,
DesiredAccess,
ObjectAttributes ,
MaximumSize ,
SectionPageProtection,
AllocationAttributes,
FileHandle);
if ( NT_SUCCESS(Status) )
{
//进行行为判断,如果是要加载驱动，我们就直接返回错误，并关闭句柄,如果不是就返回原来的结果
if(((DWORD)PsGetCurrentProcessId()==(DWORD)4)|((DWORD)PsGetCurrentProcessId()==(DWORD)8)|((DWORD)PsGetCurrentProcessId()==(DWORD)0))
{
if((FlagOn(DesiredAccess,SECTION_MAP_EXECUTE))||(FlagOn(DesiredAccess,PAGE_EXECUTE_READ)))
if((PAGE_EXECUTE==SectionPageProtection)|(AllocationAttributes==SEC_IMAGE))
{
ZwClose(*SectionHandle);
*SectionHandle=NULL;
return STATUS_ACCESS_DENIED;
}
}
}
return Status;
}
//用来跳转到原函数的一个裸函数
__declspec(naked)NTSTATUS
NTAPI
OldNtCreateSection (
OUT PHANDLE SectionHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN PLARGE_INTEGER MaximumSize OPTIONAL,
IN ULONG SectionPageProtection,
IN ULONG AllocationAttributes,
IN HANDLE FileHandle OPTIONAL
)
{
_asm
{
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax,NtCreateSection //将原函数地址送入eax
add eax,7 //eax加7，用来跳过我们的HOOK
push eax //将eax压入
ret //跳回原函数
}
}
//用来生成跳转代码的函数
void makejmp(LPVOID Fun1,LPVOID Fun2,LPVOID jmp)
{
BYTE *data=http://www.mamicode.com/(BYTE *)jmp;
long dFun1=(long)Fun1;
long dFun2=(long)Fun2;
DWORD H;
data[0]=0xe9;
_asm
{
mov eax,dFun1
mov edx,dFun2
sub edx,eax
sub edx,5
mov H,edx
}
memcpy(&data[1],(void *)&H,4);
}
VOID Unload(
IN PDRIVER_OBJECT DriverObject
)
{
KIRQL oldIrql;
while(!NT_SUCCESS(ZwYieldExecution()))//取得CPU时间，如果取得失败，就一直获取，直到成功
{
}
if(pMdl!=NULL)//检查我们是否已经进行过HOOK，//如果我们进行过HOOK 就还原
{
oldIrql = KeRaiseIrqlToDpcLevel();
memcpy(WriteAddress,OldNtCreateSection,7);
KeLowerIrql(oldIrql);
IoFreeMdlForAddress(WriteAddress,pMdl);
}
IoDeleteDevice(DriverObject->DeviceObject);//删除设备
pMdl=NULL;
WriteAddress=NULL;
}
PVOID NTAPI GetJmpAddress(PVOID Fun,BOOL *Call_Code)
{
PVOID Return=NULL;
BYTE *data=http://www.mamicode.com/(BYTE *)Fun;
DWORD Old=0;
if(data[0]==0xe9)
{
*Call_Code=0;
}else if (data[0]==0xe8)
{
*Call_Code=1;
}else
{
*Call_Code=2;
return NULL;
}
memcpy((void *)&Old,&data[1],4);
_asm
{
mov eax,Old
mov edx,Fun
add eax,edx
add eax,5
mov Return,eax
}
return Return;
}
这个驱动只支持单核心CPU 多核心CPU请自行修改（将所有CPU都提升到DPC级别 以后再进行HOOK）驱动加载流程是看了WIN2K的代码来讲的，WIN2K的代码很长，所以就简单的讲了一下*转载请注明来自看雪论坛@PEdiy.com
jpg改rar
另类阻止驱动加载
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