我们都知道病毒木马都要与外面通信,如何检测呢,今天我们来时间检测进程端口来检测木马
请见代码与注释
- #include <windows.h>
- #include <Tlhelp32.h>
- #include <winsock.h>
- #include <stdio.h>
- #pragma comment(lib, "ws2_32.lib")
- //---------------------------------------------------------------------------
- // 以下为与TCP相关的结构.
- typedef struct tagMIB_TCPEXROW{
- DWORD dwState; // 连接状态.
- DWORD dwLocalAddr; // 本地计算机地址.
- DWORD dwLocalPort; // 本地计算机端口.
- DWORD dwRemoteAddr; // 远程计算机地址.
- DWORD dwRemotePort; // 远程计算机端口.
- DWORD dwProcessId;
- } MIB_TCPEXROW, *PMIB_TCPEXROW;
- typedef struct tagMIB_TCPEXTABLE{
- DWORD dwNumEntries;
- MIB_TCPEXROW table[100]; // 任意大小数组变量.
- } MIB_TCPEXTABLE, *PMIB_TCPEXTABLE;
- //---------------------------------------------------------------------------
- // 以下为与UDP相关的结构.
- typedef struct tagMIB_UDPEXROW{
- DWORD dwLocalAddr; // 本地计算机地址.
- DWORD dwLocalPort; // 本地计算机端口.
- DWORD dwProcessId;
- } MIB_UDPEXROW, *PMIB_UDPEXROW;
- typedef struct tagMIB_UDPEXTABLE{
- DWORD dwNumEntries;
- MIB_UDPEXROW table[100]; // 任意大小数组变量.
- } MIB_UDPEXTABLE, *PMIB_UDPEXTABLE;
- //---------------------------------------------------------------------------
- // 所用的iphlpapi.dll中的函数原型定义.
- typedef DWORD (WINAPI *PALLOCATE_AND_GET_TCPEXTABLE_FROM_STACK)(
- PMIB_TCPEXTABLE *pTcpTable, // 连接表缓冲区.
- BOOL bOrder,
- HANDLE heap,
- DWORD zero,
- DWORD flags
- );
- typedef DWORD (WINAPI *PALLOCATE_AND_GET_UDPEXTABLE_FROM_STACK)(
- PMIB_UDPEXTABLE *pUdpTable, // 连接表缓冲区.
- BOOL bOrder,
- HANDLE heap,
- DWORD zero,
- DWORD flags
- );
- static PALLOCATE_AND_GET_TCPEXTABLE_FROM_STACK
- pAllocateAndGetTcpExTableFromStack = NULL;
- static PALLOCATE_AND_GET_UDPEXTABLE_FROM_STACK
- pAllocateAndGetUdpExTableFromStack = NULL;
- //---------------------------------------------------------------------------
- //
- // 可能的 TCP 端点状态.
- //
- static char TcpState[][32] = {
- TEXT("???"),
- TEXT("CLOSED"),
- TEXT("LISTENING"),
- TEXT("SYN_SENT"),
- TEXT("SYN_RCVD"),
- TEXT("ESTABLISHED"),
- TEXT("FIN_WAIT1"),
- TEXT("FIN_WAIT2"),
- TEXT("CLOSE_WAIT"),
- TEXT("CLOSING"),
- TEXT("LAST_ACK"),
- TEXT("TIME_WAIT"),
- TEXT("DELETE_TCB")
- };
- //---------------------------------------------------------------------------
- //
- // 生成IP地址字符串.
- //
- PCHAR GetIP(unsigned int ipaddr)
- {
- static char pIP[20];
- unsigned int nipaddr = htonl(ipaddr);
- sprintf(pIP, "%d.%d.%d.%d",
- (nipaddr >>24) &0xFF,
- (nipaddr>>16) &0xFF,
- (nipaddr>>8) &0xFF,
- (nipaddr)&0xFF);
- return pIP;
- }
- //---------------------------------------------------------------------------
- //
- // 由进程号获得全程文件名.
- //
- char* ProcessPidToName(DWORD ProcessId)
- {
- HANDLE hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
- PROCESSENTRY32 processEntry = { 0 };
- processEntry.dwSize = sizeof(PROCESSENTRY32);
- static char ProcessName[256];
- lstrcpy(ProcessName, "Idle");
- if (hProcessSnap == INVALID_HANDLE_VALUE)
- return ProcessName;
- BOOL bRet=Process32First(hProcessSnap, &processEntry);
- while(bRet)
- {
- if (processEntry.th32ProcessID == ProcessId)
- {
- MODULEENTRY32 me32 = {0};
- me32.dwSize = sizeof(MODULEENTRY32);
- HANDLE hModuleSnap = CreateToolhelp32Snapshot
- (TH32CS_SNAPMODULE, processEntry.th32ProcessID);
- Module32First(hModuleSnap, &me32); // 获得全程路径.
- lstrcpy(ProcessName, me32.szExePath);
- CloseHandle(hProcessSnap);
- return ProcessName;
- }
- bRet=Process32Next(hProcessSnap, &processEntry);
- }
- CloseHandle(hProcessSnap);
- return ProcessName;
- }
- //---------------------------------------------------------------------------
- //
- // 显示进程、端口和文件名之间的关联.
- //
- void DisplayPort()
- {
- DWORD i;
- PMIB_TCPEXTABLE TCPExTable;
- PMIB_UDPEXTABLE UDPExTable;
- char szLocalAddress[256];
- char szRemoteAddress[256];
- if(pAllocateAndGetTcpExTableFromStack(
- &TCPExTable, TRUE, GetProcessHeap(), 2, 2))
- {
- printf("AllocateAndGetTcpExTableFromStack Error!\n");
- return;
- }
- if(pAllocateAndGetUdpExTableFromStack
- (&UDPExTable, TRUE, GetProcessHeap(), 2, 2 ))
- {
- printf("AllocateAndGetUdpExTableFromStack Error!.\n");
- return;
- }
- // 获得TCP列表.
- printf("%-6s%-22s%-22s%-11s%s\n",
- TEXT("Proto"),
- TEXT("Local Address"),
- TEXT("Foreign Address"),
- TEXT("State"),
- TEXT("Process"));
- for( i = 0; i <TCPExTable->dwNumEntries; i++ )
- {
- sprintf( szLocalAddress, "%s:%d",
- GetIP(TCPExTable->table[i].dwLocalAddr),
- htons( (WORD) TCPExTable->table[i].dwLocalPort));
- sprintf( szRemoteAddress, "%s:%d",
- GetIP(TCPExTable->table[i].dwRemoteAddr),
- htons((WORD)TCPExTable->table[i].dwRemotePort));
- printf("%-6s%-22s%-22s%-11s%s:%d\n", TEXT("TCP"),
- szLocalAddress, szRemoteAddress,
- TcpState[TCPExTable->table[i].dwState],
- ProcessPidToName(TCPExTable->table[i].dwProcessId),
- TCPExTable->table[i].dwProcessId);
- }
- // 获得UDP列表.
- for( i = 0; i < UDPExTable->dwNumEntries; i++ )
- {
- sprintf( szLocalAddress, "%s:%d",
- GetIP(UDPExTable->table[i].dwLocalAddr),
- htons((WORD)UDPExTable->table[i].dwLocalPort));
- sprintf( szRemoteAddress, "%s","*:*");
- printf("%-6s%-22s%-33s%s:%d\n", TEXT("UDP"),
- szLocalAddress, szRemoteAddress,
- ProcessPidToName(UDPExTable->table[i].dwProcessId),
- UDPExTable->table[i].dwProcessId);
- }
- }
- //---------------------------------------------------------------------------
- //
- // 进程与端口关联程序的主函数.
- //
- void main()
- {
- WSADATA WSAData;
- if( WSAStartup(MAKEWORD(1, 1), &WSAData ))
- {
- printf("WSAStartup error!\n");
- return;
- }
- HMODULE hIpDLL = LoadLibrary( "iphlpapi.dll");
- if ( !hIpDLL)
- return;
- pAllocateAndGetTcpExTableFromStack =
- (PALLOCATE_AND_GET_TCPEXTABLE_FROM_STACK)
- GetProcAddress( hIpDLL, "AllocateAndGetTcpExTableFromStack");
- pAllocateAndGetUdpExTableFromStack =
- (PALLOCATE_AND_GET_UDPEXTABLE_FROM_STACK)
- GetProcAddress(hIpDLL, "AllocateAndGetUdpExTableFromStack" );
- // 显示进程与端口关联.
- DisplayPort();
- FreeLibrary(hIpDLL);
- WSACleanup();
- getchar(); // 暂停.
- }
原文:http://blog.youkuaiyun.com/yincheng01/article/details/8110140