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replaceData.c
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244 lines (192 loc) · 8.71 KB
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#include "replaceData.h"
#include <ntdef.h>
#include <ntifs.h>
#include "inlineHook.h"
NTSTATUS _DoMemBase(pMemStruct objData);
NTSTATUS _DoMemRead(pMemStruct objData);
NTSTATUS _DoMemWrite(pMemStruct objData);
NTSTATUS _DoMemAlloc(pMemStruct objData);
NTSTATUS _DoMemProtect(pMemStruct objData);
void _EncryptDecryptBuf(char* buf, int size, int key);
typedef struct _Fun_Index
{
PVOID funTableFlag;
PVOID funAddr;
}Fun_Index, *pFun_Index;
typedef struct _Fun_Table
{
int count;
Fun_Index funIndex[100];
}Fun_Table,*pFun_Table;
Fun_Table g_funTable;
MyStruct* g_myStruct = NULL;
ZwProtectVirtualMemory_ g_ZwProtectVirtualMemory = NULL;
ULONG64 CalcWdkoptimizationCodeSize(UCHAR *adr) {
UCHAR *orgi = adr;
// C3 CC CC CC CC
//ffff880`0307c3db c3 ret
// fffff880`0307c3dc cc int 3
// fffff880`0307c3dd cc int 3
//fffff880`0307c3de cc int 3
//fffff880`0307c3df cc int 3
/*
while (adr[0] != 0XC3 && adr[1] != 0xCC && adr[2] != 0xCC && adr[3] != 0xCC && adr[4] != 0xCC)
{
adr++;
}*/
while (adr < orgi + 0x1000)
{
if (adr[0] == 0XC3 && adr[1] == 0xCC && adr[2] == 0xCC && adr[3] == 0xCC && adr[4] == 0xCC)
{
UCHAR a = adr[0];
UCHAR b = adr[1];
UCHAR c = adr[2];
UCHAR d = adr[3];
break;
}
adr++;
}
return ((adr - orgi) + 4 + 4);
}
PVOID CopyMyFun(ULONG64 funAddr, OUT ULONG* size)
{
PVOID myIrpAddrNew = ExAllocatePoolWithTag(NonPagedPool, PAGE_SIZE, 0);
RtlFillMemory(myIrpAddrNew, PAGE_SIZE, 0);
KIRQL irql = WPOFFx64();
ULONG64 funSize = CalcWdkoptimizationCodeSize((UCHAR*)funAddr);
WPONx64(irql);
if(size > NULL)
*size = funSize;
memcpy((PVOID)myIrpAddrNew, (PVOID)funAddr, funSize);
int iiii = memcmp((PVOID)myIrpAddrNew, (PVOID)funAddr, funSize);
ReplaceFun(myIrpAddrNew);
return myIrpAddrNew;
}
void EncryptDecryptBuf(char* buf, int size, char key)
{
for (int i = 0; i < size; i++)
{
buf[i] = buf[i] ^ key;
}
}
void dealMyFun(ULONG64 srcFunAddr, INT key, OUT ULONG64* addr, OUT ULONG* size)
{
*addr = CopyMyFun(srcFunAddr, size);
//*(int*)(*addr + *size) = key;
EncryptDecryptBuf((char*)*addr, *size, key);
}
void InitFunTable()
{
UNICODE_STRING DestinationString;
g_funTable.count = 0;
//////////////////////////////////////////////////////////////////////////
//系统API
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1? FLAG_IoGetCurrentIrpStackLocation : FLAG_IoGetCurrentIrpStackLocation_;
g_funTable.funIndex[g_funTable.count].funAddr = IoGetCurrentIrpStackLocation;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_IofCompleteRequest : FLAG_IofCompleteRequest_;
g_funTable.funIndex[g_funTable.count].funAddr = IofCompleteRequest;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_PsLookupProcessByProcessId : FLAG_PsLookupProcessByProcessId_;
g_funTable.funIndex[g_funTable.count].funAddr = PsLookupProcessByProcessId;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_KeAttachProcess : FLAG_KeAttachProcess_;
g_funTable.funIndex[g_funTable.count].funAddr = KeAttachProcess;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_PsGetProcessSectionBaseAddress : FLAG_PsGetProcessSectionBaseAddress_;
g_funTable.funIndex[g_funTable.count].funAddr = PsGetProcessSectionBaseAddress;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_KeDetachProcess : FLAG_KeDetachProcess_;
g_funTable.funIndex[g_funTable.count].funAddr = KeDetachProcess;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_ObfDereferenceObject : FLAG_ObfDereferenceObject_;
g_funTable.funIndex[g_funTable.count].funAddr = ObfDereferenceObject;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_MmCopyVirtualMemory : FLAG_MmCopyVirtualMemory_;
g_funTable.funIndex[g_funTable.count].funAddr = MmCopyVirtualMemory;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_ZwAllocateVirtualMemory : FLAG_ZwAllocateVirtualMemory_;
g_funTable.funIndex[g_funTable.count].funAddr = ZwAllocateVirtualMemory;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_ZwProtectVirtualMemory : FLAG_ZwProtectVirtualMemory_;
RtlInitUnicodeString(&DestinationString, L"ZwProtectVirtualMemory");
g_funTable.funIndex[g_funTable.count].funAddr = (ZwProtectVirtualMemory_)MmGetSystemRoutineAddress(&DestinationString);
g_ZwProtectVirtualMemory = g_funTable.funIndex[g_funTable.count].funAddr;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_KeStackAttachProcess : FLAG_KeStackAttachProcess_;
g_funTable.funIndex[g_funTable.count].funAddr = KeStackAttachProcess;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_KeUnstackDetachProcess : FLAG_KeUnstackDetachProcess_;
g_funTable.funIndex[g_funTable.count].funAddr = KeUnstackDetachProcess;
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_MM_HIGHEST_USER_ADDRESS : FLAG_MM_HIGHEST_USER_ADDRESS_;
g_funTable.funIndex[g_funTable.count].funAddr = &MM_HIGHEST_USER_ADDRESS;
g_funTable.count++;
//功能函数
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_EncryptDecryptBuf : FLAG_EncryptDecryptBuf_;
g_funTable.funIndex[g_funTable.count].funAddr = CopyMyFun(_EncryptDecryptBuf, NULL);
g_funTable.count++;
//内部函数
g_funTable.funIndex[g_funTable.count].funTableFlag = DEBUG_TEST < 1 ? FLAG_MYSTRUCT : FLAG_MYSTRUCT_;
g_funTable.funIndex[g_funTable.count].funAddr = ExAllocatePoolWithTag(NonPagedPool, PAGE_SIZE, 0);
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = 0x68888000c9e8f0cc;
g_funTable.funIndex[g_funTable.count].funAddr = g_funTable.funIndex[g_funTable.count - 1].funAddr;
g_funTable.count++;
//开始填充数据
g_myStruct = (MyStruct*)(g_funTable.funIndex[g_funTable.count-1].funAddr);
g_myStruct->_DoMemBaseKey = 1;
dealMyFun(_DoMemBase, g_myStruct->_DoMemBaseKey, &g_myStruct->_DoMemBaseAddr, &g_myStruct->_DoMemBaseSize);
g_myStruct->_DoMemReadKey = 1;
dealMyFun(_DoMemRead, g_myStruct->_DoMemReadKey, &g_myStruct->_DoMemReadAddr, &g_myStruct->_DoMemReadSize);
g_myStruct->_DoMemWriteKey = 1;
dealMyFun(_DoMemWrite, g_myStruct->_DoMemWriteKey, &g_myStruct->_DoMemWriteAddr, &g_myStruct->_DoMemWriteSize);
g_myStruct->_DoMemAllocKey = 1;
dealMyFun(_DoMemAlloc, g_myStruct->_DoMemAllocKey, &g_myStruct->_DoMemAllocAddr, &g_myStruct->_DoMemAllocSize);
g_myStruct->_DoMemProtectKey = 1;
dealMyFun(_DoMemProtect, g_myStruct->_DoMemProtectKey, &g_myStruct->_DoMemProtectAddr, &g_myStruct->_DoMemProtectSize);
//////////////////////////////////////////////////////////////////////////
/*
ULONG size = 0;
g_funTable.funIndex[g_funTable.count].funTableFlag = FLAG_DoMemBase;
g_funTable.funIndex[g_funTable.count].funAddr = CopyMyFun((ULONG64)_DoMemBase, &size);
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = FLAG_DoMemRead;
g_funTable.funIndex[g_funTable.count].funAddr = CopyMyFun((ULONG64)_DoMemRead, &size);
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = FLAG_DoMemWrite;
g_funTable.funIndex[g_funTable.count].funAddr = CopyMyFun(_DoMemWrite, &size);
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = FLAG_DoMemAlloc;
g_funTable.funIndex[g_funTable.count].funAddr = CopyMyFun((ULONG64)_DoMemAlloc, &size);
g_funTable.count++;
g_funTable.funIndex[g_funTable.count].funTableFlag = FLAG_DoMemProtect;
g_funTable.funIndex[g_funTable.count].funAddr = CopyMyFun((ULONG64)_DoMemProtect, &size);
g_funTable.count++;*/
}
BOOLEAN ReplaceFun(UCHAR *Original)
{
UCHAR* indexStart = Original;
for (int i = 0; i < 0x1000 - 8; i++)
{
if (*(int*)(indexStart) == 0xCCCC)
break;
else
{
ULONG64 CL = *(ULONG64*)indexStart;
//DbgPrint("CL:%llx\n", CL);
for (int j = 0; j < g_funTable.count; j++)
{
ULONG64 UL = g_funTable.funIndex[j].funTableFlag;
if (g_funTable.funIndex[j].funTableFlag == *(ULONG64*)indexStart)
//if(indexStart[0] == UL[0] && indexStart[1] == UL[1] && indexStart[2] == UL[2] && indexStart[3] == UL[3] && indexStart[4] == UL[4])
{
*(ULONG64*)indexStart = g_funTable.funIndex[j].funAddr;
break;
}
}
}
indexStart = indexStart + 1;
}
return TRUE;
}