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driver_inject.cpp
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driver_inject.cpp
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#include "undocumented.h"
#include "ssdt.h"
#include "ntdll.h"
#include "MemLoadDll.h"
#if 0
#include <ntstatus.h>
#endif
static UNICODE_STRING DeviceName;
static UNICODE_STRING Win32Device;
#define TAG_INJECTLIST 'ljni'
#define TAG_INJECTDATA 'djni'
#define IOCTL_SET_INJECT_X86DLL \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x900, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
#define IOCTL_SET_INJECT_X64DLL \
CTL_CODE(FILE_DEVICE_UNKNOWN, 0x901, METHOD_IN_DIRECT, FILE_ANY_ACCESS)
//
//引入函数
//
extern "C"
NTKERNELAPI
PVOID NTAPI PsGetProcessWow64Process(PEPROCESS process);
extern "C"
NTKERNELAPI
NTSTATUS NTAPI PsLookupProcessByProcessId(
_In_ HANDLE ProcessId,
_Outptr_ PEPROCESS *Process
);
//
//注入列表结构体
//
typedef NTSTATUS(NTAPI* fn_NtAllocateVirtualMemory)(
_In_ HANDLE ProcessHandle,
_Inout_ PVOID *BaseAddress,
_In_ ULONG_PTR ZeroBits,
_Inout_ PSIZE_T RegionSize,
_In_ ULONG AllocationType,
_In_ ULONG Protect
);
typedef NTSTATUS(NTAPI* fn_NtReadVirtualMemory)(
_In_ HANDLE ProcessHandle,
_In_opt_ PVOID BaseAddress,
_Out_ PVOID Buffer,
_In_ SIZE_T BufferSize,
_Out_opt_ PSIZE_T NumberOfBytesRead
);
typedef NTSTATUS(NTAPI* fn_NtWriteVirtualMemory)(
_In_ HANDLE ProcessHandle,
_In_opt_ PVOID BaseAddress,
_In_ CONST VOID *Buffer,
_In_ SIZE_T BufferSize,
_Out_opt_ PSIZE_T NumberOfBytesWritten
);
typedef NTSTATUS(NTAPI* fn_NtProtectVirtualMemory)(
_In_ HANDLE ProcessHandle,
_Inout_ PVOID *BaseAddress,
_Inout_ PSIZE_T RegionSize,
_In_ ULONG NewProtect,
_Out_ PULONG OldProtect
);
typedef struct _INJECT_PROCESSID_LIST { //注入列表信息
LIST_ENTRY link;
HANDLE pid;
BOOLEAN inject;
}INJECT_PROCESSID_LIST, *PINJECT_PROCESSID_LIST;
typedef struct _INJECT_PROCESSID_DATA { //注入进程数据信息
HANDLE pid;
PVOID imagebase;
SIZE_T imagesize;
}INJECT_PROCESSID_DATA, *PINJECT_PROCESSID_DATA;
typedef struct _INJECT_PROCESSID_DLL { //内存加载DLL信息
PVOID x64dll;
ULONG x64dllsize;
PVOID x86dll;
ULONG x86dllsize;
}INJECT_PROCESSID_DLL, *PINJECT_PROCESSID_DLL;
#pragma pack(push,1)
//
//x86 payload
//
typedef struct _INJECT_PROCESSID_PAYLOAD_X86 {
UCHAR saveReg[2]; //pushad //pushfd
UCHAR restoneHook[17]; // mov esi,5 mov edi,123 mov esi,456 rep movs byte
UCHAR invokeMemLoad[10]; // push xxxxxx call xxxxxx
UCHAR eraseDll[14]; // mov al,0 mov ecx,len mov edi,addr rep stos
UCHAR restoneReg[2];//popfd popad
UCHAR jmpOld[5]; //jmp
UCHAR oldData[5];
UCHAR dll[1];
UCHAR shellcode[1];
}INJECT_PROCESSID_PAYLOAD_X86, *PINJECT_PROCESSID_PAYLOAD_X86;
//
// x64 payload
//
typedef struct _INJECT_PROCESSID_PAYLOAD_X64 {
UCHAR saveReg[25];
UCHAR subStack[4];
UCHAR restoneHook[32]; // mov rcx,xxxx mov rdi,xxxx mov rsi,xxx rep movs byte
UCHAR invokeMemLoad[15]; // mov rcx,xxxxx call xxxx
UCHAR eraseDll[24]; // mov rdi,xxxx xor eax,eax mov rcx,xxxxx rep stosb
UCHAR addStack[4];
UCHAR restoneReg[27];
UCHAR jmpOld[14]; //jmp qword [0]
UCHAR oldData[14];//
UCHAR dll[1];
UCHAR shellcode[1];
}INJECT_PROCESSID_PAYLOAD_X64, *PINJECT_PROCESSID_PAYLOAD_X64;
#pragma pack(pop)
//
//全局进程链表
//
INJECT_PROCESSID_LIST g_injectList;
INJECT_PROCESSID_DLL g_injectDll;
ERESOURCE g_ResourceMutex;
NPAGED_LOOKASIDE_LIST g_injectListLookaside;
NPAGED_LOOKASIDE_LIST g_injectDataLookaside;
fn_NtAllocateVirtualMemory pfn_NtAllocateVirtualMemory;
fn_NtReadVirtualMemory pfn_NtReadVirtualMemory;
fn_NtWriteVirtualMemory pfn_NtWriteVirtualMemory;
fn_NtProtectVirtualMemory pfn_NtProtectVirtualMemory;
//
//通过pid查询进程是否已经注入
//
BOOLEAN QueryInjectListStatus(HANDLE processid)
{
BOOLEAN result = TRUE;
KeEnterCriticalRegion();
ExAcquireResourceSharedLite(&g_ResourceMutex, TRUE);
PLIST_ENTRY head = &g_injectList.link;
PINJECT_PROCESSID_LIST next = (PINJECT_PROCESSID_LIST)g_injectList.link.Blink;
while (head != (PLIST_ENTRY)next)
{
if (next->pid == processid)
{
if (next->inject == FALSE)
{
result = FALSE;
}
break;
}
next = (PINJECT_PROCESSID_LIST)(next->link.Blink);
}
ExReleaseResourceLite(&g_ResourceMutex);
KeLeaveCriticalRegion();
return result;
}
//
//设置pid 注入状态为已注入
//
VOID SetInjectListStatus(HANDLE processid)
{
KeEnterCriticalRegion();
ExAcquireResourceExclusiveLite(&g_ResourceMutex, TRUE);
PLIST_ENTRY head = &g_injectList.link;
PINJECT_PROCESSID_LIST next = (PINJECT_PROCESSID_LIST)g_injectList.link.Blink;
while (head != (PLIST_ENTRY)next)
{
if (next->pid == processid)
{
next->inject = TRUE;
break;
}
next = (PINJECT_PROCESSID_LIST)(next->link.Blink);
}
ExReleaseResourceLite(&g_ResourceMutex);
KeLeaveCriticalRegion();
}
//
//添加pid 到注入列表
//
VOID AddInjectList(HANDLE processid)
{
//DPRINT("%s %d\n", __FUNCTION__, processid);
KeEnterCriticalRegion();
ExAcquireResourceExclusiveLite(&g_ResourceMutex, TRUE);
PINJECT_PROCESSID_LIST newLink = (PINJECT_PROCESSID_LIST)\
ExAllocateFromNPagedLookasideList(&g_injectListLookaside);
if (newLink == NULL)
{
ASSERT(false);
}
newLink->pid = processid;
newLink->inject = false;
InsertTailList(&g_injectList.link, (PLIST_ENTRY)newLink);
ExReleaseResourceLite(&g_ResourceMutex);
KeLeaveCriticalRegion();
}
//
//进程退出 释放pid链表
//
VOID DeleteInjectList(HANDLE processid)
{
//DPRINT("%s %d\n", __FUNCTION__, processid);
KeEnterCriticalRegion();
ExAcquireResourceExclusiveLite(&g_ResourceMutex, TRUE);
PLIST_ENTRY head = &g_injectList.link;
PINJECT_PROCESSID_LIST next = (PINJECT_PROCESSID_LIST)g_injectList.link.Blink;
while (head != (PLIST_ENTRY)next)
{
if (next->pid == processid)
{
RemoveEntryList(&next->link);
ExFreeToNPagedLookasideList(&g_injectListLookaside, &next->link);
break;
}
next = (PINJECT_PROCESSID_LIST)(next->link.Blink);
}
ExReleaseResourceLite(&g_ResourceMutex);
KeLeaveCriticalRegion();
}
//
//getprocaddress
//
#define DEREF( name )*(UINT_PTR *)(name)
#define DEREF_64( name )*(unsigned __int64 *)(name)
#define DEREF_32( name )*(unsigned long *)(name)
#define DEREF_16( name )*(unsigned short *)(name)
#define DEREF_8( name )*(UCHAR *)(name)
ULONG_PTR GetProcAddressR(ULONG_PTR hModule, const char* lpProcName, bool x64Module)
{
UINT_PTR uiLibraryAddress = 0;
ULONG_PTR fpResult = NULL;
if (hModule == NULL)
return NULL;
// a module handle is really its base address
uiLibraryAddress = (UINT_PTR)hModule;
__try
{
UINT_PTR uiAddressArray = 0;
UINT_PTR uiNameArray = 0;
UINT_PTR uiNameOrdinals = 0;
PIMAGE_NT_HEADERS32 pNtHeaders32 = NULL;
PIMAGE_NT_HEADERS64 pNtHeaders64 = NULL;
PIMAGE_DATA_DIRECTORY pDataDirectory = NULL;
PIMAGE_EXPORT_DIRECTORY pExportDirectory = NULL;
// get the VA of the modules NT Header
pNtHeaders32 = (PIMAGE_NT_HEADERS32)(uiLibraryAddress + ((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_lfanew);
pNtHeaders64 = (PIMAGE_NT_HEADERS64)(uiLibraryAddress + ((PIMAGE_DOS_HEADER)uiLibraryAddress)->e_lfanew);
if (x64Module)
{
pDataDirectory = (PIMAGE_DATA_DIRECTORY)&pNtHeaders64->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
}
else
{
pDataDirectory = (PIMAGE_DATA_DIRECTORY)&pNtHeaders32->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT];
}
// get the VA of the export directory
pExportDirectory = (PIMAGE_EXPORT_DIRECTORY)(uiLibraryAddress + pDataDirectory->VirtualAddress);
// get the VA for the array of addresses
uiAddressArray = (uiLibraryAddress + pExportDirectory->AddressOfFunctions);
// get the VA for the array of name pointers
uiNameArray = (uiLibraryAddress + pExportDirectory->AddressOfNames);
// get the VA for the array of name ordinals
uiNameOrdinals = (uiLibraryAddress + pExportDirectory->AddressOfNameOrdinals);
// test if we are importing by name or by ordinal...
if ((PtrToUlong(lpProcName) & 0xFFFF0000) == 0x00000000)
{
// import by ordinal...
// use the import ordinal (- export ordinal base) as an index into the array of addresses
uiAddressArray += ((IMAGE_ORDINAL(PtrToUlong(lpProcName)) - pExportDirectory->Base) * sizeof(unsigned long));
// resolve the address for this imported function
fpResult = (ULONG_PTR)(uiLibraryAddress + DEREF_32(uiAddressArray));
}
else
{
// import by name...
unsigned long dwCounter = pExportDirectory->NumberOfNames;
while (dwCounter--)
{
char * cpExportedFunctionName = (char *)(uiLibraryAddress + DEREF_32(uiNameArray));
// test if we have a match...
if (strcmp(cpExportedFunctionName, lpProcName) == 0)
{
// use the functions name ordinal as an index into the array of name pointers
uiAddressArray += (DEREF_16(uiNameOrdinals) * sizeof(unsigned long));
// calculate the virtual address for the function
fpResult = (ULONG_PTR)(uiLibraryAddress + DEREF_32(uiAddressArray));
// finish...
break;
}
// get the next exported function name
uiNameArray += sizeof(unsigned long);
// get the next exported function name ordinal
uiNameOrdinals += sizeof(unsigned short);
}
}
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
fpResult = NULL;
}
return fpResult;
}
//
// 搜索字符串,来自blackbone
//
LONG SafeSearchString(IN PUNICODE_STRING source, IN PUNICODE_STRING target, IN BOOLEAN CaseInSensitive)
{
ASSERT(source != NULL && target != NULL);
if (source == NULL || target == NULL || source->Buffer == NULL || target->Buffer == NULL)
return STATUS_INVALID_PARAMETER;
// Size mismatch
if (source->Length < target->Length)
return -1;
USHORT diff = source->Length - target->Length;
for (USHORT i = 0; i <= (diff / sizeof(WCHAR)); i++)
{
if (RtlCompareUnicodeStrings(
source->Buffer + i ,
target->Length / sizeof(WCHAR),
target->Buffer,
target->Length / sizeof(WCHAR),
CaseInSensitive
) == 0)
{
return i;
}
}
return -1;
}
//
//注入线程
//
VOID INJECT_ROUTINE_X86(
_In_ PVOID StartContext)
{
PINJECT_PROCESSID_DATA injectdata = (PINJECT_PROCESSID_DATA)StartContext;
DPRINT("x86注入 pid=%d %p\n", injectdata->pid, injectdata->imagebase);
//
//1.attach进程，2.找导出表ZwContinue 3.组合shellcode 4.申请内存 5.Hook ZwContinue
//
ULONG trace = 1;
PEPROCESS process;
NTSTATUS status;
KAPC_STATE apc;
BOOLEAN attach = false;
ULONG64 pfnZwContinue = 0;
PVOID pZwContinue;
PVOID alloc_ptr = NULL;
SIZE_T alloc_size = 0;
SIZE_T alloc_pagesize = 5;
ULONG alloc_oldProtect = 0;
ULONG dllPos, shellcodePos;
INJECT_PROCESSID_PAYLOAD_X86 payload = { 0 };
UCHAR hookbuf[5];
ULONG dwTmpBuf;
SIZE_T returnLen;
//KdBreakPoint();
//
//1.attach进程
//
status = PsLookupProcessByProcessId(injectdata->pid, &process);
if (!NT_SUCCESS(status) && process == NULL)
{
goto __exit;
}
ObDereferenceObject(process);
trace = 2;
KeStackAttachProcess(process, &apc);
attach = true;
//
//2.找导出表ZwContinue
//
pfnZwContinue = (ULONG)GetProcAddressR((ULONG_PTR)injectdata->imagebase, "ZwContinue", false);
if (pfnZwContinue == NULL)
{
goto __exit;
}
trace = 3;
status = pfn_NtReadVirtualMemory(NtCurrentProcess(),
(PVOID)pfnZwContinue,
&payload.oldData,
sizeof(payload.oldData),
NULL);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 4;
//
//3.计算shellcode 大小
//
alloc_size = sizeof(INJECT_PROCESSID_PAYLOAD_X86) + sizeof(MemLoadShellcode_x86) + g_injectDll.x86dllsize;
payload.saveReg[0] = 0x60; //pushad
payload.saveReg[1] = 0x9c; //pushfd
payload.restoneHook[0] = 0xB9; // mov ecx,5
payload.restoneHook[5] = 0xBE; // mov edi,xxxx
payload.restoneHook[10] = 0xBF; // mov esi,xxxx
payload.restoneHook[15] = 0xF3;
payload.restoneHook[16] = 0xA4; // rep movsb
payload.invokeMemLoad[0] = 0x68; // push xxxxxx
payload.invokeMemLoad[5] = 0xE8; // call xxxxxx
payload.eraseDll[0] = 0xB0;
payload.eraseDll[2] = 0xB9;
payload.eraseDll[7] = 0xBF;
payload.eraseDll[12] = 0xF3;
payload.eraseDll[13] = 0xAA;
payload.restoneReg[0] = 0x9D; // popfd
payload.restoneReg[1] = 0x61; // popad
payload.jmpOld[0] = 0xE9;// jmp xxxxxx
//
//4.申请内存
//
status = pfn_NtAllocateVirtualMemory(NtCurrentProcess(),
&alloc_ptr,
NULL,
&alloc_size,
MEM_COMMIT,
PAGE_EXECUTE_READWRITE);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 5;
//
//5. Hook ZwContinue
//
//计算dll 和shellcode位置
dllPos = PtrToUlong(alloc_ptr) + sizeof(INJECT_PROCESSID_PAYLOAD_X86) - 2;
shellcodePos = dllPos + g_injectDll.x86dllsize;
//恢复hook
dwTmpBuf = sizeof(payload.oldData);
memcpy(&payload.restoneHook[1], &dwTmpBuf, sizeof(ULONG));
dwTmpBuf = PtrToUlong(alloc_ptr) + (sizeof(INJECT_PROCESSID_PAYLOAD_X86) - 7);
memcpy(&payload.restoneHook[6], &dwTmpBuf, sizeof(ULONG));
memcpy(&payload.restoneHook[11], &pfnZwContinue, sizeof(ULONG));
//调用内存加载
memcpy(&payload.invokeMemLoad[1], &dllPos, sizeof(ULONG));
dwTmpBuf = shellcodePos - (PtrToUlong(alloc_ptr) + 24) - 5;
memcpy(&payload.invokeMemLoad[6], &dwTmpBuf, sizeof(ULONG));
//擦除DLL
dwTmpBuf = sizeof(MemLoadShellcode_x86) + g_injectDll.x86dllsize;
memcpy(&payload.eraseDll[3], &dwTmpBuf, sizeof(ULONG));
memcpy(&payload.eraseDll[8], &dllPos, sizeof(ULONG));
//跳回去
dwTmpBuf = (ULONG)pfnZwContinue - (PtrToUlong(alloc_ptr) + (sizeof(INJECT_PROCESSID_PAYLOAD_X86) - 12)) - 5;
memcpy(&payload.jmpOld[1], &dwTmpBuf, sizeof(ULONG));
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
alloc_ptr,
&payload,
sizeof(payload),
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 6;
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
(PVOID)dllPos,
g_injectDll.x86dll,
g_injectDll.x86dllsize,
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 7;
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
(PVOID)shellcodePos,
&MemLoadShellcode_x86,
sizeof(MemLoadShellcode_x86),
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 8;
//
//Hook
//
dwTmpBuf = PtrToUlong(alloc_ptr) - (ULONG)pfnZwContinue - 5;
hookbuf[0] = 0xE9;
memcpy(&hookbuf[1], &dwTmpBuf, sizeof(ULONG));
//备份一遍原地址
pZwContinue = (PVOID)pfnZwContinue;
status = pfn_NtProtectVirtualMemory(NtCurrentProcess(),
(PVOID*)&pfnZwContinue,
&alloc_pagesize,
PAGE_EXECUTE_READWRITE,
&alloc_oldProtect);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 9;
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
(PVOID)pZwContinue,
&hookbuf,
sizeof(hookbuf),
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 10;
__exit:
DPRINT("%s TRACE:%d status = %08X \n", __FUNCTION__, trace, status);
if (attach) { KeUnstackDetachProcess(&apc); }
ExFreeToNPagedLookasideList(&g_injectDataLookaside, StartContext);
PsTerminateSystemThread(0);
}
VOID INJECT_ROUTINE_X64(
_In_ PVOID StartContext)
{
PINJECT_PROCESSID_DATA injectdata = (PINJECT_PROCESSID_DATA)StartContext;
DPRINT("x64注入 pid=%d %p\n", injectdata->pid, injectdata->imagebase);
//
//1.attach进程，2.找导出表ZwContinue 3.组合shellcode 4.申请内存 5.Hook ZwContinue
//
ULONG trace = 1;
PEPROCESS process;
NTSTATUS status;
KAPC_STATE apc;
BOOLEAN attach = false;
ULONG64 pfnZwContinue = 0;
PVOID pZwContinue;
PVOID alloc_ptr = NULL;
SIZE_T alloc_size = 0;
SIZE_T alloc_pagesize = 5;
ULONG alloc_oldProtect = 0;
ULONG64 dllPos, shellcodePos;
INJECT_PROCESSID_PAYLOAD_X64 payload = { 0 };
UCHAR hookbuf[14] = { 0xff, 0x25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
ULONG64 dwTmpBuf;
ULONG dwTmpBuf2;
SIZE_T returnLen;
//KdBreakPoint();
//
//1.attach进程
//
status = PsLookupProcessByProcessId(injectdata->pid, &process);
if (!NT_SUCCESS(status) && process == NULL)
{
goto __exit;
}
ObDereferenceObject(process);
trace = 2;
KeStackAttachProcess(process, &apc);
attach = true;
//
//2.找导出表ZwContinue
//
pfnZwContinue = GetProcAddressR((ULONG_PTR)injectdata->imagebase, "ZwContinue", true);
if (pfnZwContinue == NULL)
{
goto __exit;
}
trace = 3;
status = pfn_NtReadVirtualMemory(NtCurrentProcess(),
(PVOID)pfnZwContinue,
&payload.oldData,
sizeof(payload.oldData),
NULL);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 4;
//
//3.计算shellcode 大小
//
alloc_size = sizeof(INJECT_PROCESSID_PAYLOAD_X64) + sizeof(MemLoadShellcode_x64) + g_injectDll.x64dllsize;
UCHAR saveReg[] = "\x50\x51\x52\x53\x6A\xFF\x55\x56\x57\x41\x50\x41\x51\x6A\x10\x41\x53\x41\x54\x41\x55\x41\x56\x41\x57";
UCHAR restoneReg[] = "\x41\x5F\x41\x5E\x41\x5D\x41\x5C\x41\x5B\x41\x5A\x41\x59\x41\x58\x5F\x5E\x5D\x48\x83\xC4\x08\x5B\x5A\x59\x58";
memcpy(payload.saveReg, saveReg, sizeof(saveReg));
memcpy(payload.restoneReg, restoneReg, sizeof(restoneReg));
payload.subStack[0] = 0x48;
payload.subStack[1] = 0x83;
payload.subStack[2] = 0xec;
payload.subStack[3] = 0x28;
payload.addStack[0] = 0x48;
payload.addStack[1] = 0x83;
payload.addStack[2] = 0xc4;
payload.addStack[3] = 0x28;
payload.restoneHook[0] = 0x48;
payload.restoneHook[1] = 0xb9; // mov rcx,len
payload.restoneHook[10] = 0x48;
payload.restoneHook[11] = 0xBF; //mov rdi,xxxx
payload.restoneHook[20] = 0x48;
payload.restoneHook[21] = 0xBe; //mov rsi,xxxx
payload.restoneHook[30] = 0xF3;
payload.restoneHook[31] = 0xA4; //REP MOVSB
payload.invokeMemLoad[0] = 0x48;
payload.invokeMemLoad[1] = 0xb9; // mov rcx,xxxxxx
payload.invokeMemLoad[10] = 0xE8; // call xxxxx
payload.eraseDll[0] = 0x48;
payload.eraseDll[1] = 0xbf; // mov rdi,addr
payload.eraseDll[10] = 0x31;
payload.eraseDll[11] = 0xC0; //xor eax,eax
payload.eraseDll[12] = 0x48;
payload.eraseDll[13] = 0xB9; //mov rcx,xxxxx
payload.eraseDll[22] = 0xF3;
payload.eraseDll[23] = 0xAA;
payload.jmpOld[0] = 0xFF;// jmp xxxxxx
payload.jmpOld[1] = 0x25;
//
//4.申请内存
//
status = pfn_NtAllocateVirtualMemory(NtCurrentProcess(),
&alloc_ptr,
NULL,
&alloc_size,
MEM_COMMIT,
PAGE_EXECUTE_READWRITE);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 5;
//
//5. Hook ZwContinue
//
dllPos = ULONG64(alloc_ptr) + (sizeof(INJECT_PROCESSID_PAYLOAD_X64) - 2);
shellcodePos = dllPos + g_injectDll.x64dllsize;
//恢复hook
dwTmpBuf = sizeof(payload.oldData);
memcpy(&payload.restoneHook[2], &dwTmpBuf, sizeof(ULONG64));
dwTmpBuf = (ULONG64)alloc_ptr + (sizeof(INJECT_PROCESSID_PAYLOAD_X64) - 16);
memcpy(&payload.restoneHook[12], &pfnZwContinue, sizeof(ULONG64));
memcpy(&payload.restoneHook[22], &dwTmpBuf, sizeof(ULONG64));
//调用内存加载
memcpy(&payload.invokeMemLoad[2], &dllPos, sizeof(ULONG64));
dwTmpBuf2 = (ULONG)(shellcodePos - ((ULONG64)alloc_ptr + 0x47) - 5);
memcpy(&payload.invokeMemLoad[11], &dwTmpBuf2, sizeof(ULONG));
//擦除DLL
dwTmpBuf = sizeof(MemLoadShellcode_x64) + g_injectDll.x64dllsize;
memcpy(&payload.eraseDll[2], &dllPos, sizeof(ULONG64));
memcpy(&payload.eraseDll[14], &dwTmpBuf, sizeof(ULONG64));
//跳回去
memcpy(&payload.jmpOld[6], &pfnZwContinue, sizeof(ULONG64));
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
alloc_ptr,
&payload,
sizeof(payload),
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 6;
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
(PVOID)dllPos,
g_injectDll.x64dll,
g_injectDll.x64dllsize,
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 7;
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
(PVOID)shellcodePos,
&MemLoadShellcode_x64,
sizeof(MemLoadShellcode_x64),
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 8;
//
//Hook
//
hookbuf[0] = 0xFF;
hookbuf[1] = 0x25;
memcpy(&hookbuf[6], &alloc_ptr, sizeof(ULONG64));
pZwContinue = (PVOID)pfnZwContinue;
status = pfn_NtProtectVirtualMemory(NtCurrentProcess(),
(PVOID*)&pfnZwContinue,
&alloc_pagesize,
PAGE_EXECUTE_READWRITE,
&alloc_oldProtect);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 9;
status = pfn_NtWriteVirtualMemory(NtCurrentProcess(),
(PVOID)pZwContinue,
&hookbuf,
sizeof(hookbuf),
&returnLen);
if (!NT_SUCCESS(status))
{
goto __exit;
}
trace = 10;
__exit:
DPRINT("%s TRACE:%d status = %08X \n", __FUNCTION__, trace, status);
if (attach) { KeUnstackDetachProcess(&apc); }
ExFreeToNPagedLookasideList(&g_injectDataLookaside, StartContext);
PsTerminateSystemThread(0);
}
VOID LoadImageNotify(
_In_ PUNICODE_STRING FullImageName,
_In_ HANDLE ProcessId,
_In_ PIMAGE_INFO ImageInfo
)
{
//
//过滤system进程
//
if (FullImageName == NULL ||
ProcessId == (HANDLE)4 ||
ProcessId == (HANDLE)0 ||
ImageInfo == NULL ||
ImageInfo->SystemModeImage == 1)
{
return;
}
if (KeGetCurrentIrql() != PASSIVE_LEVEL)
{
return;
}
BOOLEAN x64Process = false;
PEPROCESS process = NULL;
if (!NT_SUCCESS(PsLookupProcessByProcessId(ProcessId, &process)))
{
return;
}
x64Process = (PsGetProcessWow64Process(process) == NULL);
ObDereferenceObject(process);
//
//是否已经传入注入DLL
//
if (x64Process)
{
if (g_injectDll.x64dll == NULL || g_injectDll.x64dllsize == 0)
{
return;
}
}
else
{
if (g_injectDll.x86dll == NULL || g_injectDll.x86dllsize == 0)
{
return;
}
}
//
//是否已经注入？
//
if (QueryInjectListStatus(ProcessId))
{
return;
}
//
//是否是ntdll加载时机？
//
if (x64Process)
{
UNICODE_STRING ntdll_fullimage;
RtlInitUnicodeString(&ntdll_fullimage, L"\\System32\\ntdll.dll");
if (SafeSearchString(FullImageName, &ntdll_fullimage, TRUE) == -1)
{
return;
}
}
else
{
UNICODE_STRING ntdll_fullimage;
RtlInitUnicodeString(&ntdll_fullimage, L"\\SysWOW64\\ntdll.dll");
if (SafeSearchString(FullImageName, &ntdll_fullimage, TRUE) == -1)
{
return;
}
}
//
//开始注入
//
NTSTATUS status;
HANDLE thread_hanlde;
PVOID thread_object;
PINJECT_PROCESSID_DATA injectdata = (PINJECT_PROCESSID_DATA)\
ExAllocateFromNPagedLookasideList(&g_injectDataLookaside);
if (injectdata == NULL)
{
return;
}
injectdata->pid = ProcessId;
injectdata->imagebase = ImageInfo->ImageBase;
injectdata->imagesize = ImageInfo->ImageSize;
status = PsCreateSystemThread(
&thread_hanlde,
THREAD_ALL_ACCESS,
NULL,
NtCurrentProcess(),
NULL,
x64Process ? INJECT_ROUTINE_X64 : INJECT_ROUTINE_X86,
injectdata);
if (NT_SUCCESS(status))
{
//添加到已经注入列表里面
SetInjectListStatus(ProcessId);
if (NT_SUCCESS(ObReferenceObjectByHandle(thread_hanlde, THREAD_ALL_ACCESS, NULL, KernelMode, &thread_object, NULL)))
{
KeWaitForSingleObject(thread_object, Executive, KernelMode, FALSE, NULL);
ObDereferenceObject(thread_object);
}
ZwClose(thread_hanlde);
}
}