开始以为很简单(直接可以进行文件更改)
一开始的思路
主要是是对节表进行合并
1: 更改节表(变为一个,更改内存大小, 更改文件大小)
2:更改属性
3: 更改节的数目
直接使用文件修改的方法(手动修改方法)
全部无法运行, 蛋疼的厉害
然后,直接先转换为 ImageBuffer, 再次修改, 几个属性,才搞定
我也不知道为什么.
贴一下修改的代码
// PEOperate.cpp: implementation of the PEOperate class.
//
//////////////////////////////////////////////////////////////////////
#include "PEOperate.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
#include "windows.h"
#include "stdio.h"
#define MESSAGEBOXADDR 0x77D507EA
#define SHELLCODELENGTH 0x12
BYTE shellCode[]={
0x6A,00,0x6A,00,0x6A,00,0x6A,00,
0xE8,00,00,00,00,
0xE9,00,00,00,00
};
//加载PE文件到内存中
LPVOID ReadPEFile(LPSTR lpszFile)
{
FILE *pFile = NULL;
DWORD fileSize = 0;
LPVOID pFileBuffer = NULL;
//打开文件
pFile = fopen(lpszFile,"rb");
if(!pFile)
{
printf("无法打开文件EXE文件");
return NULL;
}
fseek(pFile,0,SEEK_END);
fileSize = ftell(pFile);
fseek(pFile,0,SEEK_SET);
//分配缓冲区
pFileBuffer = malloc(fileSize);
if(!pFileBuffer)
{
printf("分配空间失败!\n");
fclose(pFile);
return NULL;
}
//文件读取
size_t n = fread(pFileBuffer,fileSize,1,pFile);
if(!n)
{
printf("读取数据失败\n");
free(pFileBuffer);
fclose(pFile);
return NULL;
}
//关闭文件
fclose(pFile);
return pFileBuffer;
}
//内存直接写入到文件
void WirteToFile(LPVOID pFileBuffer,size_t fileSize,LPSTR lpszFile)
{
FILE *pFile = NULL;
//打开文件
pFile = fopen(lpszFile,"wb");
if(!pFile)
{
printf("无法打开文件EXE文件");
return;
}
size_t writeSize = fwrite(pFileBuffer,fileSize,1,pFile);
printf("WirteSize:%d\n",writeSize);
//关闭文件
fclose(pFile);
return;
}
//打印所有的PE头信息
VOID PrintNTHeaders(LPSTR lpszFile)
{
LPVOID pFileBuffer = NULL;
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
pFileBuffer= ReadPEFile(lpszFile);
if(!pFileBuffer)
{
printf("文件读取失败\n");
return;
}
//MZ标志
if(*((PWORD)pFileBuffer)!=IMAGE_DOS_SIGNATURE)
{
printf("不是有效的MZ标志\n");
free(pFileBuffer);
return;
}
pDosHeader = (PIMAGE_DOS_HEADER)pFileBuffer;
//打印DOS头
printf("------------DOS头------------\n");
printf("MZ标志: %x\n",pDosHeader->e_magic);
printf("PE偏移: %x\n",pDosHeader->e_lfanew);
//判断是否是有效的PE
if(*((PDWORD)((DWORD)pFileBuffer+pDosHeader->e_lfanew))!=IMAGE_NT_SIGNATURE)
{
printf("不是有效的PE标志\n");
free(pFileBuffer);
return;
}
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pFileBuffer+pDosHeader->e_lfanew);
//打印NT头
printf("------------NT头------------\n");
printf("Signature: %x\n",pNTHeader->Signature);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
printf("------------标准PE头--------\n");
printf("Machine: %x\n",pPEHeader->Machine);
printf("节的数量: %x\n",pPEHeader->NumberOfSections);
printf("SizeOfOptionHeaders: %x\n",pPEHeader->SizeOfOptionalHeader);
//可选择PE头
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
printf("------------OPTION_PE头--------\n");
printf("Machine: %x \n",pOptionHeader->Magic);
printf("OEP: %x \n",pOptionHeader->AddressOfEntryPoint);
printf("ImageBase: %x \n",pOptionHeader->ImageBase);
printf("SectionAlignment: %x \n",pOptionHeader->SectionAlignment);
printf("FileAlignment: %x \n",pOptionHeader->FileAlignment);
printf("SizeOfImage: %x \n",pOptionHeader->SizeOfImage);
printf("SizeOfHeaders: %x \n",pOptionHeader->SizeOfHeaders);
//节表的信息(分别打印)
//确定节表的个数:
int Section_Number = pPEHeader->NumberOfSections;
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
for(int i=0;i<Section_Number;i++)
{
printf("------------节表信息:%d--------\n",i+1);
printf("Name: %s \n",pSectionHeader->Name);
printf("VirualSize : %x\n",pSectionHeader->Misc);
printf("VirualAddress: %x\n",pSectionHeader->VirtualAddress);
printf("SizeOfRawData: %x \n",pSectionHeader->SizeOfRawData);
printf("PointerToRowData: %x \n",pSectionHeader->PointerToRawData);
//下一个节表
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+40);
}
//释放内存
free(pFileBuffer);
}
//将PE的FileBuffer拷贝到ImageBuffer
LPVOID CopyFileBufferToImageBuffer(LPVOID pFileBuffer)
{
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
if(!pFileBuffer)
{
printf("文件读取失败\n");
return NULL;
}
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pFileBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pFileBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
DWORD ImageSize = pOptionHeader->SizeOfImage;
//LPVOID pImageBuffer=NULL;
//分配缓冲区
LPVOID pImageBuffer=NULL;
pImageBuffer = malloc(ImageSize);
if(!pImageBuffer)
{
printf("pImageBuffer分配空间失败!\n");
return NULL;
}
//printf("%x \n",ImageSize);
memset(pImageBuffer,0,ImageSize);
//分段拷贝数据到ImageBuffer中
//1 拷贝头
DWORD HeaderSize = pOptionHeader->SizeOfHeaders;
//DWORD Head_i = 0;
//copy header
memcpy(pImageBuffer,pFileBuffer,HeaderSize);
//2 拷贝节 pSectionHeader
//数量，位置
int Section_Number = pPEHeader->NumberOfSections;
//分节进行写入
LPVOID pFileBuffer_sec = pFileBuffer;
LPVOID pImageBuffer_sec = pImageBuffer;
//printf("pFileBuffer_sec: %x \n",pFileBuffer_sec);
//printf("pImageBuffer_sec: %x \n",pImageBuffer_sec);
for(int i=0;i<Section_Number;i++)
{
DWORD FileSizeOfRawData = pSectionHeader->SizeOfRawData;
DWORD FilePointerToRawData = pSectionHeader->PointerToRawData;
DWORD MemVirtualAddress = pSectionHeader->VirtualAddress;
pFileBuffer_sec=(LPVOID)((DWORD)pFileBuffer+FilePointerToRawData);
pImageBuffer_sec=(LPVOID)((DWORD)pImageBuffer+MemVirtualAddress);
//printf("pFileBuffer_sec: %x \n",pFileBuffer_sec);
//printf("pImageBuffer_sec: %x \n",pImageBuffer_sec);
memcpy(pImageBuffer_sec,pFileBuffer_sec,FileSizeOfRawData);
//下一个节表
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+40);
}
//写出
//WirteToFile(pImageBuffer,ImageSize,"c://image.exe");
return pImageBuffer;
}
LPVOID CopyImageBuffertoNewBuffer(LPVOID pImageBuffer)
{
return NULL;
}
BOOL MemeryTOFile(LPVOID pMemBuffer,LPSTR lpszFile)
{
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pMemBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pMemBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
//将内存中的文件转入到File中
FILE *pFile = NULL;
//打开文件
pFile = fopen(lpszFile,"a+b");
if(!pFile)
{
printf("无法打开文件EXE文件");
return FALSE;
}
//写header
DWORD SIZE_HEADER = pOptionHeader->SizeOfHeaders;
fwrite(pMemBuffer,SIZE_HEADER,1,pFile);
//写节表
int Section_Number = pPEHeader->NumberOfSections;
LPVOID pImageBuffer_sec = pMemBuffer;
printf("pImageBuffer_SEC : %x \n",pImageBuffer_sec);
for(int i=0;i<Section_Number;i++)
{
DWORD FileSizeOfRawData = pSectionHeader->SizeOfRawData;
DWORD FilePointerToRawData = pSectionHeader->PointerToRawData;
DWORD MemVirtualAddress = pSectionHeader->VirtualAddress;
pImageBuffer_sec=(LPVOID)((DWORD)pMemBuffer+MemVirtualAddress);
printf("pImageBuffer_SEC : %x \n",pImageBuffer_sec);
fwrite(pImageBuffer_sec,FileSizeOfRawData,1,pFile);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+40);
}
//关闭文件
fclose(pFile);
return TRUE;
}
DWORD RVAToFileOffset(LPVOID pFileBuffer,DWORD dwRva)
{
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
if(!pFileBuffer)
{
printf("文件读取失败\n");
return NULL;
}
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pFileBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pFileBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
DWORD ImageSize = pOptionHeader->SizeOfImage;
int Section_Number = pPEHeader->NumberOfSections;
int i=0;
for(i=0;i<Section_Number;i++)
{
printf("VirualSize : %x\n",pSectionHeader->Misc);
printf("VirualAddress: %x\n",pSectionHeader->VirtualAddress);
DWORD dumpVirualSize = pSectionHeader->Misc.VirtualSize;
DWORD dumpVirualAddress = pSectionHeader->VirtualAddress;
if(dwRva>=dumpVirualAddress && dwRva <=dumpVirualAddress+dumpVirualSize)
{
printf("地址在第:%d 节 %s \n",i+1,pSectionHeader->Name);
break;
}
//下一个节表
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+40);
}
//确定是第i+1节
//确定偏移距离
DWORD fileOff = pSectionHeader->PointerToRawData + (dwRva-pSectionHeader->VirtualAddress);
return fileOff;
}
void TestAddCodeInCodeSec(LPSTR lpszFile)
{
LPVOID pFileBuffer = NULL;
pFileBuffer= ReadPEFile(lpszFile);
if(!pFileBuffer)
{
printf("文件读取失败\n");
return;
}
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
LPVOID pImageBuffer = CopyFileBufferToImageBuffer(pFileBuffer);
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pImageBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pImageBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
//确定添加代码的位置
//1判断能否添加
if((pSectionHeader->SizeOfRawData-pSectionHeader->Misc.VirtualSize)<=SHELLCODELENGTH){
printf("空余字节大小不够添加shellCode\n");
free(pFileBuffer);
return;
}
//size_t file_size = pSectionHeader->SizeOfRawData-pSectionHeader->Misc.VirtualSize;
//printf("%x \n",file_size);
//2代码加的位置
printf("pImageBuffer: %x\n",pImageBuffer);
DWORD shellLocation = pSectionHeader->VirtualAddress + pSectionHeader->Misc.VirtualSize;
//确定位置
LPVOID pShellLoc = (LPVOID)((DWORD)pImageBuffer + shellLocation);
printf("pShellLoc: %x\n",pShellLoc);
//拷贝初始化代码到内存
memcpy(pShellLoc,shellCode,SHELLCODELENGTH);
//修改E8地址
DWORD pE8Content = MESSAGEBOXADDR - (((DWORD)pShellLoc+13 )- ((DWORD)pImageBuffer)+ pOptionHeader->ImageBase);
*(PDWORD)((DWORD)pShellLoc+9)=pE8Content;
//修改E9地址
DWORD pE9Content = (pOptionHeader->AddressOfEntryPoint+pOptionHeader->ImageBase) - (((DWORD)pShellLoc+0x12 )- ((DWORD)pImageBuffer)+ pOptionHeader->ImageBase);
*(PDWORD)((DWORD)pShellLoc+14)=pE9Content;
//修改OEP
pOptionHeader->AddressOfEntryPoint = (DWORD)pShellLoc-(DWORD)pImageBuffer;
//更改完的ImageBuffer，写出到File中
MemeryTOFile(pImageBuffer,"C://testShell.exe");
//释放
free(pFileBuffer);
free(pImageBuffer);
return;
}
void TestAddSecToFile(LPSTR lpszFile)
{
LPVOID pFileBuffer = NULL;
pFileBuffer= ReadPEFile(lpszFile);
if(!pFileBuffer)
{
printf("文件读取失败\n");
return;
}
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader_ADD = NULL;
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pFileBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pFileBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
pSectionHeader_ADD = pSectionHeader;
//1 判断能否添加节
DWORD Header_size = pDosHeader->e_lfanew + 4 + 20 + pPEHeader->SizeOfOptionalHeader + pPEHeader->NumberOfSections*40;
if(pOptionHeader->SizeOfHeaders-Header_size<80)
{
printf("没有可用空间填充节表\n");
free(pFileBuffer);
return;
}
printf("空间：%d\n",pOptionHeader->SizeOfHeaders-Header_size);
//添加一个节
//确定参数
PIMAGE_SECTION_HEADER pSectionHeader_LAST = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+(pPEHeader->NumberOfSections-1)*40);
pSectionHeader_ADD=(PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader_ADD+(pPEHeader->NumberOfSections)*40);
//="NewSec";
strcpy((char*)pSectionHeader_ADD->Name,"NewSec");
pSectionHeader_ADD->Misc.VirtualSize = 0x1000;
pSectionHeader_ADD->VirtualAddress = pOptionHeader->SizeOfImage;
pSectionHeader_ADD->SizeOfRawData = 0x1000;
pSectionHeader_ADD->PointerToRawData = pSectionHeader_LAST->PointerToRawData+pSectionHeader_LAST->SizeOfRawData;
pSectionHeader_ADD->Characteristics = pSectionHeader->Characteristics;
//填充0
LPVOID pSectionEND = (LPVOID)((DWORD)pSectionHeader_ADD+40);
memset(pSectionEND,0,IMAGE_SIZEOF_SECTION_HEADER);
printf("pFileBuffer: %x\n",pFileBuffer);
printf("pSectionHeader: %x\n",pSectionHeader);
printf("pSectionHeader_LAST: %x\n",pSectionHeader_LAST);
printf("pSectionHeader_ADD: %x\n",pSectionHeader_ADD);
printf("pSectionEND: %x\n",pSectionEND);
//修改PE头信息
pPEHeader->NumberOfSections = pPEHeader->NumberOfSections +1;
pOptionHeader->SizeOfImage = pOptionHeader->SizeOfImage+0x1000;
//写入到文件
FILE *pOutFile = NULL;
//打开文件
pOutFile = fopen("C://addSec.exe","a+b");
if(!pOutFile)
{
printf("无法打开文件EXE文件");
return;
}
//写出第一部分
printf("length: %x \n ",pSectionHeader_ADD->PointerToRawData+pSectionHeader_ADD->SizeOfRawData);
size_t writeSize = fwrite(pFileBuffer,pSectionHeader_ADD->PointerToRawData,1,pOutFile);
printf("WirteSize:%d\n",writeSize);
//写出第二部分
LPVOID pNewBuffer=(LPVOID)malloc(0x1000);
if(pNewBuffer==NULL)
{
printf("pNewBuffer分配空间失败\n");
return;
}
memset(pNewBuffer,0,0x1000);
writeSize = fwrite(pNewBuffer,0x1000,1,pOutFile);
//关闭文件
fclose(pOutFile);
free(pFileBuffer);
free(pNewBuffer);
}
void TestAddLastSectionToFile(LPSTR lpszFile)
{
LPVOID pFileBuffer = NULL;
pFileBuffer= ReadPEFile(lpszFile);
if(!pFileBuffer)
{
printf("文件读取失败\n");
return;
}
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader_LAST = NULL;
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pFileBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pFileBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
pSectionHeader_LAST = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+(pPEHeader->NumberOfSections-1)*40);
int fileLength = pSectionHeader_LAST->PointerToRawData+pSectionHeader_LAST->SizeOfRawData;
//更改ImageSize
pOptionHeader->SizeOfImage = pOptionHeader->SizeOfImage+0x1000;
//更改最后一个节的SizeOfRawData 以及 VirtualSize
pSectionHeader_LAST->SizeOfRawData = pSectionHeader_LAST->SizeOfRawData+0x1000;
pSectionHeader_LAST->Misc.VirtualSize = pSectionHeader_LAST->Misc.VirtualSize+0x1000;
//写出文件
//写入到文件
FILE *pOutFile = NULL;
//打开文件
pOutFile = fopen("C://addSecLength.exe","a+b");
if(!pOutFile)
{
printf("无法打开文件EXE文件");
return;
}
//写出第一部分
printf("length: %x \n ",fileLength);
size_t writeSize = fwrite(pFileBuffer,fileLength,1,pOutFile);
printf("WirteSize:%d\n",writeSize);
//写出第二部分
LPVOID pNewBuffer=(LPVOID)malloc(0x1000);
if(pNewBuffer==NULL)
{
printf("pNewBuffer分配空间失败\n");
return;
}
memset(pNewBuffer,0,0x1000);
writeSize = fwrite(pNewBuffer,0x1000,1,pOutFile);
//关闭文件
fclose(pOutFile);
free(pFileBuffer);
free(pNewBuffer);
}
void TestChangeOneSec(LPSTR lpszFile)
{
LPVOID pFileBuffer = NULL;
pFileBuffer= ReadPEFile(lpszFile);
if(!pFileBuffer)
{
printf("文件读取失败\n");
return;
}
LPVOID pImageBuffer =NULL;
pImageBuffer = CopyFileBufferToImageBuffer(pFileBuffer);
PIMAGE_DOS_HEADER pDosHeader = NULL;
PIMAGE_NT_HEADERS pNTHeader = NULL;
PIMAGE_FILE_HEADER pPEHeader = NULL;
PIMAGE_OPTIONAL_HEADER32 pOptionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader = NULL;
PIMAGE_SECTION_HEADER pSectionHeader_LAST = NULL;
//Header信息
pDosHeader = (PIMAGE_DOS_HEADER)pImageBuffer;
pNTHeader = (PIMAGE_NT_HEADERS)((DWORD)pImageBuffer+pDosHeader->e_lfanew);
pPEHeader = (PIMAGE_FILE_HEADER)(((DWORD)pNTHeader)+4);
pOptionHeader = (PIMAGE_OPTIONAL_HEADER32)((DWORD)pPEHeader+IMAGE_SIZEOF_FILE_HEADER);
pSectionHeader = (PIMAGE_SECTION_HEADER)((DWORD)pOptionHeader+pPEHeader->SizeOfOptionalHeader);
pSectionHeader_LAST = (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+(pPEHeader->NumberOfSections-1)*40);
//合并节的操作
DWORD LastSize = (pSectionHeader_LAST->SizeOfRawData > pSectionHeader_LAST->Misc.VirtualSize)?pSectionHeader_LAST->SizeOfRawData:pSectionHeader_LAST->Misc.VirtualSize;
pSectionHeader->Misc.VirtualSize = pSectionHeader_LAST->VirtualAddress + LastSize - pSectionHeader->VirtualAddress;
pSectionHeader->SizeOfRawData = pSectionHeader_LAST->VirtualAddress + LastSize - pSectionHeader->VirtualAddress;
pSectionHeader->PointerToRawData = pSectionHeader->VirtualAddress;
//设置属性值
//pSectionHeader->Characteristics
DWORD MyCharacteristics = pSectionHeader->Characteristics;
for(int k=0;k<pPEHeader->NumberOfSections;k++)
{
PIMAGE_SECTION_HEADER pSectionHeader_NEXT;
pSectionHeader_NEXT= (PIMAGE_SECTION_HEADER)((DWORD)pSectionHeader+k*40);
MyCharacteristics = MyCharacteristics |(pSectionHeader_NEXT->Characteristics);
}
printf("MyCharacteristics: %x \n",MyCharacteristics);
pSectionHeader->Characteristics = MyCharacteristics;
pPEHeader->NumberOfSections = 0x1;
DWORD ImageSize = pOptionHeader->SizeOfImage;
//直接写出到文件
WirteToFile(pImageBuffer,ImageSize,"C://hebing.exe");
}
关键是最后一个测试函数,其他 都是自己的测试代码