想不通
CSDN - 专家门诊 - 问题
推荐给朋友 | 关闭窗口
主 题: 想不通
作 者: wylcy ()
等 级:
信 誉 分: 100
人 气: 0
所属论坛: .NET技术 VC.NET
问题点数: 20
回复次数: 0
发表时间: 2003-2-3 10:45:40
typedef struct _RemotePara{//参数结构
char pMessageBox[12];
DWORD dwMessageBox;
}RemotePara;
//远程线程
DWORD __stdcall ThreadProc (RemotePara *lpPara){
typedef int (__stdcall *MMessageBoxA)(HWND,LPCTSTR,LPCTSTR,DWORD);//定义MessageBox函数
MMessageBoxA myMessageBoxA;
myMessageBoxA =(MMessageBoxA) lpPara->dwMessageBox ;//得到函数入口地址
myMessageBoxA(NULL,lpPara->pMessageBox ,lpPara->pMessageBox,0);//call
return 0;
}
void EnableDebugPriv();//提升应用级调试权限
int main(int argc, char* argv[]){
const DWORD THREADSIZE=1024*4;
DWORD byte_write;
EnableDebugPriv();//提升权限
HANDLE hWnd = ::OpenProcess (PROCESS_ALL_ACCESS,FALSE,3560); //3560是
// 随便找的一个ProcessId
if(!hWnd)return 0;
void *pRemoteThread =::VirtualAllocEx(hWnd,0,THREADSIZE,MEM_COMMIT ¦ MEM_RESERVE,PAGE_EXECUTE_READWRITE);
if(!pRemoteThread)return 0;
if(!::WriteProcessMemory(hWnd,pRemoteThread,&ThreadProc,THREADSIZE,0))
return 0;
//再付值
RemotePara myRemotePara;
::ZeroMemory(&myRemotePara,sizeof(RemotePara));
HINSTANCE hUser32 = ::LoadLibrary ("user32.dll");
myRemotePara.dwMessageBox =(DWORD) ::GetProcAddress (hUser32 , "MessageBoxA");
strcat(myRemotePara.pMessageBox,"hello\0");
//写进目标进程
RemotePara *pRemotePara =(RemotePara *) ::VirtualAllocEx (hWnd ,0,sizeof(RemotePara),MEM_COMMIT,PAGE_READWRITE);//注意申请空间时的页面属性
if(!pRemotePara)return 0;
if(!::WriteProcessMemory (hWnd ,pRemotePara,&myRemotePara,sizeof myRemotePara,0))return 0;
//启动线程
HANDLE hThread = ::CreateRemoteThread (hWnd ,0,0,(DWORD (__stdcall *)(void *))pRemoteThread ,pRemotePara,0,&byte_write);
if(!hThread){
return 0;
}
return 0;
}
//提升权限
void EnableDebugPriv( void )
{
HANDLE hToken;
LUID sedebugnameValue;
TOKEN_PRIVILEGES tkp;
if ( ! OpenProcessToken( GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES ¦ TOKEN_QUERY, &hToken ) )
return;
if ( ! LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &sedebugnameValue ) ){
CloseHandle( hToken );
return;
}
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Luid = sedebugnameValue;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if ( ! AdjustTokenPrivileges( hToken, FALSE, &tkp, sizeof tkp, NULL, NULL ) )
CloseHandle( hToken );
}
这段代码在VC6中能用,但放在在VC.net中的一个按钮事件中就出错了
问题点数:0、回复次数:0Top




