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2013
01-14

S扫描器源码

#pragma comment(linker, "/subsystem:console /FILEALIGN:0x200 /opt:nowin98 /IGNORE:4078 /MERGE:.rdata=.text /MERGE:.data=.text /section:.text,ERW")

#define _WIN32_WINNT	0x0403
#include <stdio.h>
#include <winsock2.h>
#include <Iphlpapi.h>
#pragma comment(lib, "ws2_32.lib")
#pragma comment(lib, "Iphlpapi.lib")

#pragma pack(push, 1)//取消内存大小自动对齐

typedef struct _iphdr    
{   
	unsigned char h_lenver; //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 _tcphdr //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;    

struct //定义TCP伪首部    
{   
	unsigned long saddr; //源地址    
	unsigned long daddr; //目的地址    
	char mbz;   
	char ptcl; //协议类型    
	unsigned short tcpl; //TCP长度    
}psd_header;   


#pragma pack(pop)


CRITICAL_SECTION	_cs;

BOOL	_isLog = FALSE;
BOOL	_isBanner = FALSE;
BOOL	_isRangeScan;
BOOL	_isSinglePort;
BOOL	_isBreak;
BOOL	_isMultiplePort;

DWORD	_startIp;
DWORD	_endIp;
DWORD	_portToScan;
DWORD	_portScanSingle;
DWORD	dword_407090;
DWORD	_portsTotal;
DWORD	_threadsUsed;
DWORD	_totalPortsOpen;
DWORD	_ipScanned;
DWORD	_tcpTimeout = 3;

u_long	_bindIpAddr;
SOCKET	_s; // idb
LPCSTR	_logFile = "Result.txt"; // idb
char	_httpRequest[] = "HEAD / HTTP/1.0\r\n\r\n";
void *	_portsArray;

LONG	_maxThreads;
HANDLE	_semaphore;
BOOL	_isHttp = FALSE;

int getrandom(int begin, int end)
{
	LARGE_INTEGER tick; 
	QueryPerformanceCounter(&tick);
	return (begin + tick.LowPart % (end - begin + 1));
}


int help(char * app)
{
	printf("Usage:   %s TCP/SYN StartIP [EndIP] Ports [Threads] [/T(N)] [/(H)Banner] [/Save]\n", app);
	printf("Example: %s TCP 12.12.12.12 12.12.12.254 80 512\n", app);
	printf("Example: %s TCP 12.12.12.12/24 80 512\n", app);
	printf("Example: %s TCP 12.12.12.12/24 80 512 /T8 /Save\n", app);
	printf("Example: %s TCP 12.12.12.12 12.12.12.254 80 512 /HBanner\n", app);
	printf("Example: %s TCP 12.12.12.12 12.12.12.254 21 512 /Banner\n", app);

	printf("Example: %s TCP 12.12.12.12 1-65535 512\n", app);
	printf("Example: %s TCP 12.12.12.12 12.12.12.254 21,3389,5631 512\n", app);
	printf("Example: %s TCP 12.12.12.12 21,3389,5631 512\n", app);
	printf("Example: %s SYN 12.12.12.12 12.12.12.254 80\n", app);
	printf("Example: %s SYN 12.12.12.12 1-65535\n", app);
	printf("Example: %s SYN 12.12.12.12 12.12.12.254 21,80,3389\n", app);
	return printf("Example: %s SYN 12.12.12.12 21,80,3389\n", app);
}

BOOL WINAPI ConsoleCtrlHandler(
  DWORD dwCtrlType   //  control signal type
  )
{
	switch (dwCtrlType) 
	{ 
		/* Handle the CTRL-C signal. */
    case CTRL_C_EVENT: 
    case CTRL_CLOSE_EVENT: 
    case CTRL_BREAK_EVENT:  
    case CTRL_LOGOFF_EVENT: 
    case CTRL_SHUTDOWN_EVENT:
		printf("CTRL+C Is Pressed                          \n");
		_isBreak = 1;
		return TRUE;		
    default: 
		return FALSE;
	}
}

bool isWin2K()
{
	bool result; // eax@8
	struct _OSVERSIONINFOA VersionInformation; // [sp+0h] [bp-94h]@2
	
	VersionInformation.dwOSVersionInfoSize = 148;
	if ( GetVersionExA(&VersionInformation) )
	{
		result = VersionInformation.dwPlatformId == 2 && VersionInformation.dwMajorVersion == 5;
	}
	else
	{
		result = 0;
	}
	return result;
}

//----- (00403704) --------------------------------------------------------
bool initWinsock()
{
	WSAData wsaData;
	return (WSAStartup(0x202u, &wsaData) == 0);
}

//----- (004040C0) --------------------------------------------------------
BOOL __cdecl logWriteBuffer(LPCSTR lpFileName, char *lpBuffer)
{
	BOOL result; // eax@4
	HANDLE v4; // eax@3
	DWORD v5; // eax@5
	DWORD NumberOfBytesWritten; // [sp+0h] [bp-Ch]@2
	HANDLE hObject; // [sp+8h] [bp-4h]@3
	BOOL v8; // [sp+4h] [bp-8h]@5

	hObject = 0;
	v4 = CreateFileA(lpFileName, 0xC0000000u, 2u, 0, 4u, 0x80u, 0);
	hObject = v4;
	if ( v4 == (HANDLE)-1 )
	{
		result = 0;
	}
	else
	{
		SetFilePointer(hObject, 0, 0, 2u);
		v5 = lstrlen(lpBuffer);
		v8 = WriteFile(hObject, lpBuffer, v5, &NumberOfBytesWritten, 0);
		CloseHandle(hObject);
		result = v8;
	}
	return result;
}


//----- (00404147) --------------------------------------------------------
BOOL __cdecl logWriteTime(LPCSTR lpFileName)
{
	DWORD Buffer[64]; // [sp+0h] [bp-110h]@2
	struct _SYSTEMTIME SystemTime; // [sp+100h] [bp-10h]@3
	
	GetLocalTime(&SystemTime);
	wsprintf(
		(char *)Buffer,
		"Performing Time: %d/%d/%d %d:%d:%d --> ",
		SystemTime.wMonth,
		SystemTime.wDay,
		SystemTime.wYear,
		SystemTime.wHour,
		SystemTime.wMinute,
		SystemTime.wSecond);
	return logWriteBuffer(lpFileName, (char *)Buffer);
}


//----- (004041D8) --------------------------------------------------------
BOOL myRecv(SOCKET s, char *buf, int len)
{
	int ret; // eax@10
	BOOL result; // eax@12
	struct timeval timeout; // [sp+4h] [bp-110h]@3
	fd_set readfds; // [sp+10h] [bp-104h]@3

	result = FALSE;
	timeout.tv_sec = 3;
	timeout.tv_usec = 0;

	if (_isHttp)
	{
		ret = send(s, _httpRequest, sizeof(_httpRequest), 0);
	}
	
	FD_ZERO(&readfds);
	FD_SET(s, &readfds);
	ret = select(0, &readfds, 0, 0, &timeout);
	if ( ret && ret != -1 )
	{
		if ( FD_ISSET(s, &readfds) )
		{
			result = recv(s, buf, len, 0) > 0;
		}
	}

	return result;
}

const char * getBanner(char *response)
{
	signed int result; // eax@4
	signed int v4; // edi@6
	signed int v5; // edi@9
	size_t v7; // [sp+0h] [bp-4h]@1

	if ( response )
	{
		int	len = 0;
		if (_isHttp)
		{
			const char * tag = "Server: ";
			char * serverBanner = strstr(response, tag);
			if (!serverBanner)
			{
				serverBanner = response;
			}
			else
			{
				serverBanner += lstrlen(tag);
			}			
			len = lstrlen(serverBanner);
			for (int i = 0; i < len; i++)
			{
				if (serverBanner[i] == '\r' || serverBanner[i] == '\n')
				{
					serverBanner[i] = '\0';
					break;
				}
			}
			return serverBanner;
		}
		else
		{
			len = lstrlen(response);
			for (int i = 0; i < lstrlen(response); i++)
			{
				if (response[i] == '\r' || response[i] == '\n')
				{
					response[i] = '\0';
					break;
				}
			}
		}

		result = 1;
	}
	else
	{
		result = 0;
	}
  return response;
}
//----- (004037A8) --------------------------------------------------------
DWORD WINAPI tcpScanThread(LPVOID lparam)
{
  int ret; // eax@5
  char banner[0x400]; // [sp+0h] [bp-330h]@2
  u_long hostlong; // [sp+208h] [bp-128h]@3
  int v9; // [sp+200h] [bp-130h]@3
  char response[200]; // [sp+114h] [bp-21Ch]@3
  SOCKET s; // [sp+228h] [bp-108h]@3
  struct timeval timeout; // [sp+20Ch] [bp-124h]@3
  u_long argp; // [sp+204h] [bp-12Ch]@3
  char targetHost[0x200]; // [sp+1E0h] [bp-150h]@3
  struct sockaddr_in sa; // [sp+214h] [bp-11Ch]@4
  fd_set writefds; // [sp+22Ch] [bp-104h]@8
  int recvLen = 0;
  hostlong = *(DWORD *)lparam;
  v9 = *((DWORD *)lparam + 1);
  free(lparam);

  memset(response, 0, sizeof(response));
  s = -1;
  timeout.tv_sec = _tcpTimeout;
  timeout.tv_usec = 0;
  argp = 1;
  memset(targetHost, 0, sizeof(targetHost));
  s = socket(AF_INET, SOCK_STREAM, IPPROTO_IP);
  if ( s != -1 )
  {
	memset(&sa, 0, sizeof(sa)); 
	sa.sin_family = AF_INET; 
	sa.sin_addr.s_addr = htonl(hostlong); 
	sa.sin_port = htons(v9); 
    argp = 1;
    if ( ioctlsocket(s, FIONBIO, &argp) != -1 )
    {
      ret = connect(s, (const struct sockaddr *)&sa, sizeof(sa));
      if ( ret != -1 )
	  {
        goto __recv;
	  }
      if ( WSAGetLastError() == WSAEWOULDBLOCK)
      {
		FD_ZERO(&writefds);
		FD_SET(s, &writefds);
        ret = select(0, 0, &writefds, 0, &timeout);

        if ( FD_ISSET(s, &writefds) )
        {
__recv:
          wsprintf(
            targetHost,
            "%d.%d.%d.%d",
            hostlong >> 24,
            (hostlong >> 16) & 0xFF,
            (unsigned __int16)((WORD)hostlong >> 8),
            (unsigned __int8)hostlong);
          EnterCriticalSection(&_cs);
          ++_totalPortsOpen;
          LeaveCriticalSection(&_cs);
		  const char *	responseBanner = NULL;
          if ( _isBanner )
          {
				  // 切回同步模式
				argp = 0;
				ioctlsocket(s, FIONBIO, &argp);
				recvLen = myRecv(s, response, sizeof(response));
				EnterCriticalSection(&_cs);
				if ( recvLen )
				{
				  responseBanner = getBanner(response);
				  if ( lstrlen(responseBanner) <= 6 )
					printf("%-16s %-5d -> \"%s\"           \n", targetHost, v9, responseBanner);
				  else
					printf("%-16s %-5d -> \"%s\"\n", targetHost, v9, responseBanner);
				}
				else
				{
				  printf("%-16s %-5d -> NULL             \n", targetHost, v9);
				}
				LeaveCriticalSection(&_cs);
          }
          else
          {
            EnterCriticalSection(&_cs);
            printf("%-16s %-5d Open             \n", targetHost, v9);
            LeaveCriticalSection(&_cs);
          }
          if ( _isLog )
          {
            memset(banner, 0, sizeof(banner));
            if ( _isBanner )
            {
              if ( recvLen )
                wsprintf(banner, "%-16s %-5d -> \"%s\"\r\n", targetHost, v9, responseBanner);
              else
                wsprintf(banner, "%-16s %-5d -> NULL\r\n", targetHost, v9);
            }
            else
            {
              wsprintf(banner, "%-16s %-5d Open             \r\n", targetHost, v9);
            }
            EnterCriticalSection(&_cs);
            logWriteBuffer(_logFile, banner);
            LeaveCriticalSection(&_cs);
          }
        }
      }
    }
  }
  EnterCriticalSection(&_cs);
  ++_ipScanned;
  if ( _threadsUsed )
    --_threadsUsed;
  ReleaseSemaphore(_semaphore, 1, 0);
  LeaveCriticalSection(&_cs);
  closesocket(s);
  return 0;
}

USHORT checkSum(void * buffer, int size) 
{ 
       unsigned long cksum=0;
       while (size >1) {
              cksum += *(USHORT *)buffer;
              size -= sizeof(USHORT);
			  buffer = (char *)buffer + sizeof(USHORT);
       }
       if (size) cksum += *(UCHAR*) buffer;
       cksum = (cksum >> 16) + (cksum&0xffff);
       cksum += (cksum >> 16);
       return (USHORT) (~cksum); 
} 


int	buildSynPacket(char * buf, u_long saddr, u_long sport, u_long daddr, u_long dport)
{
	int	len = 0;
	IP_HEADER ip_header;   
	TCP_HEADER tcp_header;
	//填充IP首部    
	ip_header.h_lenver=(4<<4 | sizeof(ip_header)/sizeof(unsigned long));   
	//高四位IP版本号,低四位首部长度    
	ip_header.total_len=htons(sizeof(IP_HEADER)+sizeof(TCP_HEADER)); //16位总长度(字节)    
	ip_header.ident=1; //16位标识    
	ip_header.frag_and_flags = 0; //3位标志位    
	ip_header.ttl = 128; //8位生存时间TTL    
	ip_header.proto = IPPROTO_TCP; //8位协议(TCP,UDP…)    
	ip_header.checksum = 0; //16位IP首部校验和    
	ip_header.sourceIP = saddr; //32位源IP地址    
	ip_header.destIP = daddr; //32位目的IP地址    
	
	
	//填充TCP首部    
	tcp_header.th_sport = sport; //源端口号    
	tcp_header.th_lenres=(sizeof(TCP_HEADER)/4<<4|0); //TCP长度和保留位    
	tcp_header.th_win = htons(0x4000);    
	
	//填充TCP伪首部(用于计算校验和,并不真正发送)    
	psd_header.saddr=ip_header.sourceIP;   
	psd_header.daddr=ip_header.destIP;   
	psd_header.mbz=0;   
	psd_header.ptcl=IPPROTO_TCP;   
	psd_header.tcpl=htons(sizeof(tcp_header)); 
	
	
	tcp_header.th_dport = dport; //目的端口号
	tcp_header.th_ack=0; //ACK序列号置为0
	tcp_header.th_flag=2; //SYN 标志
	tcp_header.th_seq = sport -1; //SYN序列号随机
	tcp_header.th_urp=0; //偏移
	tcp_header.th_sum=0; //校验和
	//计算TCP校验和,计算校验和时需要包括TCP pseudo header 
	memcpy(buf,&psd_header,sizeof(psd_header)); 
	memcpy(buf+sizeof(psd_header),&tcp_header,sizeof(tcp_header));
	tcp_header.th_sum=checkSum(buf,sizeof(psd_header)+sizeof(tcp_header));
	
	//计算IP校验和
	memcpy(buf,&ip_header,sizeof(ip_header));
	memcpy(buf+sizeof(ip_header),&tcp_header,sizeof(tcp_header));
	memset(buf+sizeof(ip_header)+sizeof(tcp_header),0,4);
	len=sizeof(ip_header)+sizeof(tcp_header);
	ip_header.checksum=checkSum(buf,len);
	
	//填充发送缓冲区
	memcpy(buf,&ip_header,sizeof(ip_header));

	return len;
}

// 有点问题,发出去的数据包不对
signed int synScan()
{
  char Buffer[0x190]; // [sp+0h] [bp-2C0h]@2
  int v8; // [sp+140h] [bp-180h]@3
  int v9; // [sp+150h] [bp-170h]@3
  SOCKET s; // [sp+154h] [bp-16Ch]@3
  char buf[0x100]; // [sp+198h] [bp-128h]@3
  signed int optval; // [sp+13Ch] [bp-184h]@3
  signed int sendTimeout; // [sp+138h] [bp-188h]@3
  unsigned int portsScanned; // [sp+170h] [bp-150h]@3
  unsigned int v15; // [sp+14Ch] [bp-174h]@3
  unsigned int v16; // [sp+148h] [bp-178h]@3
  unsigned int dport; // [sp+178h] [bp-148h]@6
  unsigned int counter; // [sp+174h] [bp-14Ch]@6
  u_long hostlong; // [sp+158h] [bp-168h]@6
  struct sockaddr_in dst; // [sp+17Ch] [bp-144h]@9
  int len; // [sp+16Ch] [bp-154h]@9
  unsigned int v49; // [sp+12Ch] [bp-194h]@11
  char Dest[0x20]; // [sp+110h] [bp-1B0h]@37



  v8 = _portScanSingle;
  v9 = dword_407090;
  s = -1;


  memset(buf, 0, sizeof(buf));
  optval = 1;
  sendTimeout = 1500;
  portsScanned = 0;
  v15 = 0;
  v16 = 0;
  s = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
  if ( s != -1 )
  {
    optval = 1;
    if ( setsockopt(s, IPPROTO_IP, 2/*IP_HDRINCL*/, (const char *)&optval, sizeof(optval)) != -1 )
    {
      if ( setsockopt(s, SOL_SOCKET, SO_SNDTIMEO, (const char *)&sendTimeout, sizeof(sendTimeout)) != -1 )
      {
        dport = 0;
        counter = 0;
        hostlong = _startIp;
        while ( hostlong <= _endIp )
        {
          if ( _isMultiplePort )
          {
            counter = 0;
            while ( counter < _portsTotal )
            {
              dport = *((DWORD *)_portsArray + counter);

			  memset(&dst, 0, sizeof(dst));

              dst.sin_family = AF_INET;
              dst.sin_port = htons(dport);
			  dst.sin_addr.s_addr = htonl(hostlong); 

			  len = buildSynPacket(buf, _bindIpAddr, htons(getrandom(1, 65535)), dst.sin_addr.s_addr, dst.sin_port);

              ++_ipScanned;

              if ( sendto(s, buf, len, 0, (struct sockaddr *)&dst, sizeof(dst)) != -1 )
              {
                ++portsScanned;
                EnterCriticalSection(&_cs);
                if ( _isRangeScan )
                {
                  printf("%u Ports Scanned.              \r", portsScanned);
                }
                else
                {
                  v49 = portsScanned / _portsTotal;
                  printf("%u IP Scanned.              \r", portsScanned / _portsTotal);
                }
                LeaveCriticalSection(&_cs);
                if ( _isBreak )
                {
                  v15 = hostlong + 1;
                  v16 = dport;
                  goto __break;
                }
                if ( !(portsScanned % 1000) )
                  Sleep(0xAu);
              }
              ++counter;
            }
          }
          else // !_isMultiplePort
          {
            v49 = v9 - v8 + 1;
            counter = v8;
            while ( counter <= v9 )
            {
              dport = counter;

			  memset(&dst, 0, sizeof(dst));
              dst.sin_family = AF_INET;
              dst.sin_port = htons(dport);
			  dst.sin_addr.s_addr = htonl(hostlong); 
			  
			  len = buildSynPacket(buf, _bindIpAddr, htons(getrandom(1, 65535)), dst.sin_addr.s_addr, dst.sin_port);

              ++_ipScanned;
              if ( sendto(s, buf, len, 0, (struct sockaddr *)&dst, sizeof(dst)) != -1 )
              {
                ++portsScanned;
                EnterCriticalSection(&_cs);
                if ( _isRangeScan )
                {
                  printf("%u Ports Scanned.              \r", portsScanned);
                }
                else
                {
                  printf("%u IP Scanned.              \r", portsScanned / v49);
                }
                LeaveCriticalSection(&_cs);
                if ( _isBreak )
                {
                  if ( _isRangeScan )
                    v15 = hostlong;
                  else
                    v15 = hostlong + 1;
                  v16 = dport;
                  goto __break;
                }
                if ( !(portsScanned % 1000) )
                  Sleep(10);
              }
              ++counter;
            }
          }
          ++hostlong;
        }
      }
    }
  }

__break:
  if ( _isBreak )
  {
    memset(Dest, 0, sizeof(Dest));
    wsprintf(Dest, "%d.%d.%d.%d", v15 >> 24, (v15 >> 16) & 0xFF, (unsigned __int16)((WORD)v15 >> 8), (unsigned __int8)v15);
    printf("Last Scan: %s:%d                \n", Dest, v16);
    if ( _isLog )
    {
      wsprintf(Buffer, "LastIP Scanned: %s:%d\r\n", &Dest, v16);
      logWriteBuffer(_logFile, (char *)Buffer);
    }
  }
  if ( s != -1 )
    closesocket(s);

  EnterCriticalSection(&_cs);
  if ( _threadsUsed )
    --_threadsUsed;
  LeaveCriticalSection(&_cs);
  return 1;
}

//----- (00403FD9) --------------------------------------------------------
BOOL buildPortsList(char * portsList, int portsCount)
{
	BOOL	result; // eax@4
	int		port; // eax@8
	char *	nextToken; // eax@5
	char *	portString; // [sp+4h] [bp-8h]@5

	_portsArray = malloc(sizeof(int) * portsCount);

	result = FALSE;

	if ( _portsArray )
	{
		nextToken = strtok(portsList, ",");
		portString = nextToken;
		if ( nextToken )
		{
			while ( portString )
			{
				port = atoi(portString);
				if ( port > 0 )
				{
					if ( port <= 65535 )
					{
						*((DWORD *)_portsArray + _portsTotal++) = port;
					}
				}
				portString = strtok(0, ",");
			}

			result = (_portsTotal > 0);
		}
	}

	return result;
}

//----- (00403F08) --------------------------------------------------------
int getPortsCount(char * portList)
{
	int		result; // eax@4
	char *	nextToken; // eax@7
	char *	buf; // [sp+4h] [bp-Ch]@5
	char *	p; // [sp+Ch] [bp-4h]@7
	int		count; // [sp+8h] [bp-8h]@9
	
	if ( portList )
	{
		buf = (char *)malloc(lstrlen(portList) + 16);
		if (buf)
		{
			strcpy(buf, portList);
			nextToken = strtok(buf, ",");
			p = nextToken;
			if (nextToken)
			{
				count = 0;
				while ( p )
				{
					p = strtok(0, ",");
					count++;
				}
				result = count;
			}
			else
			{
				result = 0;
			}
			free(buf);
		}
		else
		{
			result = 0;
		}
	}
	else
	{
		result = 0;
	}
	return result;
}
//----- (00402A70) --------------------------------------------------------
signed int __cdecl filterPacket(char * a1)
{
  signed int result; // eax@4
  u_long v3; // eax@5
  unsigned int v4; // eax@20
  u_short v5; // ax@20
  char * v8; // [sp+144h] [bp-8h]@3
  unsigned __int16 v9; // [sp+13Eh] [bp-Eh]@3
  char * v10; // [sp+148h] [bp-4h]@3
  u_long v11; // [sp+140h] [bp-Ch]@5
  signed int v12; // [sp+134h] [bp-18h]@9
  unsigned int v13; // [sp+138h] [bp-14h]@9
  unsigned int v14; // [sp+130h] [bp-1Ch]@10
  char	buf[0x20]; // [sp+110h] [bp-3Ch]@20
  char	logBuffer[0x100];
  unsigned int v16; // [sp+10Ch] [bp-40h]@20
  int v17; // [sp+108h] [bp-44h]@20
  int v18; // [sp+104h] [bp-48h]@20
  int v19; // [sp+100h] [bp-4Ch]@20

  v8 = a1;
  v9 = 4 * (*(BYTE *)a1 & 0xF);
  v10 = a1 + v9;
  if ( *(BYTE *)(a1 + v9 + 13) == 20 )
  {
    result = 0;
  }
  else
  {
    v3 = ntohl(*(DWORD *)(v8 + 12));
    v11 = v3;
    if ( v3 >= _startIp && v3 <= _endIp )
    {
      if ( *(BYTE *)(v10 + 13) != 18 )
        goto LABEL_26;
      v12 = 0;
      v13 = ntohs(*(WORD *)v10);
      if ( !_isMultiplePort )
      {
        if ( v13 >= _portScanSingle )
        {
          if ( v13 <= dword_407090 )
            v12 = 1;
        }
      }
      else
      {
        v14 = 0;
        while ( v14 < _portsTotal )
        {
          if ( v13 == *((DWORD *)_portsArray + v14) )
            v12 = 1;
          ++v14;
        }
      }
      if ( v12 )
      {
        memset(buf, 0, sizeof(buf));
        v4 = ntohl(*(DWORD *)(v8 + 12));
        v14 = v4;
        v16 = v4 >> 24;
        v17 = (v4 >> 16) & 0xFF;
        v18 = (unsigned __int16)((WORD)v4 >> 8);
        v19 = (unsigned __int8)v4;
        wsprintf(
          buf,
          "%d.%d.%d.%d",
          v4 >> 24,
          (v4 >> 16) & 0xFF,
          (unsigned __int16)((WORD)v4 >> 8),
          (unsigned __int8)v4);
        EnterCriticalSection(&_cs);
        ++_totalPortsOpen;
        v5 = ntohs(*(WORD *)v10);
        printf("%-16s %-5d Open             \n", buf, v5);
        if ( _isLog )
        {
          wsprintf(logBuffer, "%-16s %-5d Open             \r\n", buf, v5);
          logWriteBuffer(_logFile, logBuffer);
        }
		LeaveCriticalSection(&_cs);
        result = 1;
      }
      else
      {
LABEL_26:
        result = 0;
      }
    }
    else
    {
      result = -1;
    }
  }
  return result;
}
#define SIO_RCVALL _WSAIOW(IOC_VENDOR,1) 

DWORD WINAPI snifferThread(LPVOID)
{
	int	ret;

	//设置SOCK_RAW为SIO_RCVALL,以便接收所有的IP包    
	int optval = 1;
	int	bytesRet;  
	
	SOCKADDR_IN sa; 
	_s = socket(AF_INET, SOCK_RAW, IPPROTO_IP);
	if (INVALID_SOCKET == _s)
	{
		printf("Fail To Create Socket\n");
		return 0;
	}
	sa.sin_family = AF_INET;
	sa.sin_port = htons(0);
	sa.sin_addr.S_un.S_addr = _bindIpAddr;
	
	ret = bind(_s, (struct sockaddr *)&sa, sizeof(sa));   
	if (INVALID_SOCKET == ret)
	{
		printf("Fail To Bind Socket\n");
		closesocket(_s);
		goto __faild;
	}

	ret = WSAIoctl(_s, SIO_RCVALL, (LPVOID)&optval, sizeof(optval), NULL, 0, (LPDWORD)&bytesRet, NULL, NULL);

	char	buff[0xFFFF];
	
	do
	{
		memset(buff, 0, sizeof(buff));
		ret = recv(_s, buff, sizeof(buff), 0);
		if (ret)
		{
			filterPacket(buff);
		}
	} while (ret > 0);

	
__faild:	
	return 0;
}

u_long getBindIpAddress(char * dstIpAddr)
{
	u_long	bindAddr = INADDR_NONE;
	DWORD	nInterfaceIndex = 0;
	DWORD	index = 0;
	PMIB_IPADDRTABLE	ipTable = NULL;
	ULONG	allocSize = 0;
	HRESULT ret;
	
	ret = GetBestInterface( inet_addr(dstIpAddr), &nInterfaceIndex );
	
	if (ret != NO_ERROR)
	{
		goto __exit;
	}
	
	/*
	MIB_IFROW ifRow;
	ifRow.dwIndex = nInterfaceIndex;
	ret = GetIfEntry( &ifRow );
	
	  if ( ret != NO_ERROR )
	  {
	  goto __exit;
	  }
	  
		printf("%s\n", ifRow.bDescr);
	*/
	
	allocSize = 0;	
	
	do
	{
		ret = GetIpAddrTable( ipTable, &allocSize, FALSE );
		if (ret != NO_ERROR)
		{
			if (allocSize)
			{
				ipTable = (PMIB_IPADDRTABLE)malloc(allocSize);
			}
		}
	} while (ret != NO_ERROR);
	
	for (index = 0; index < ipTable->dwNumEntries; index++)
	{
		if (ipTable->table[ index ].dwIndex == nInterfaceIndex)
		{
			bindAddr = ipTable->table[ index ].dwAddr;
			break;
		}
	}
	
__exit:
	if (ipTable)
	{
		free(ipTable);
	}
	return bindAddr;
}

void buildIpRange(char * startIpAddr, char * realStartIpAddr, char * realEndIpAddr)
{
	char	startIpStr[256];
	char	endIpStr[256];
	char *	slash = NULL;
	int		range = 0;
	int		submask = 0;
	
	memset(startIpStr, 0, sizeof(startIpStr));
	memset(endIpStr, 0, sizeof(endIpStr));
	
	slash = strchr(startIpAddr, '/');
	if (slash)
	{
		lstrcpyn(startIpStr, startIpAddr, slash - startIpAddr + 1);
		int bit = atoi(slash+1);
		range = 0xFFFFFFFF >> bit;
		submask = 0xFFFFFFFF << (32 - bit);
	}
	else
	{
		lstrcpy(startIpStr, startIpAddr);
	}
	
	// 起始IP参数转化(支持域名)
	struct hostent * hostInfo = gethostbyname(startIpStr);
	if (hostInfo)
	{
		lstrcpy(startIpStr, inet_ntoa(*(IN_ADDR*)hostInfo->h_addr_list[0]));
	}
	
	if (submask)
	{
		int	start = (inet_addr(startIpStr) & ntohl(submask)) + ntohl(1);
		int	end = (inet_addr(startIpStr) & ntohl(submask)) + ntohl(range-1);
		lstrcpy(endIpStr, inet_ntoa(*(IN_ADDR*)&end));
		lstrcpy(startIpStr, inet_ntoa(*(IN_ADDR*)&start));
	}
	
	if (realStartIpAddr)
	{
		lstrcpy(realStartIpAddr, startIpStr);
	}
	
	if (realEndIpAddr)
	{
		lstrcpy(realEndIpAddr, endIpStr);
	}
}


int startScan(char * scanType, char * startIpAddr, char * endIpAddr, char * portList, char *maxThreads)
{
	char	buf[0x100];
	char	lastScan[0x20];
	signed int v5; // ecx@1
	unsigned __int32 v8; // eax@19
	unsigned __int32 v9; // eax@19
	unsigned __int32 startIp; // eax@23
	int v11; // eax@26
	int v12; // eax@27
	int v13; // eax@35
	HANDLE threadSniffer; // eax@62
	HANDLE v17; // eax@120
	void *param; // eax@129
	DWORD v20; // eax@149
	int v21; // eax@160
	unsigned int v22; // ecx@177
	unsigned int v23; // [sp+0h] [bp-27Ch]@2
	signed int isSynScan; // [sp+260h] [bp-1Ch]@3
	int v25; // [sp+28h] [bp-254h]@3
	int v26; // [sp+26Ch] [bp-10h]@3
	unsigned int lastPortScan; // [sp+268h] [bp-14h]@3
	BOOL v29; // [sp+264h] [bp-18h]@3
	int count; // [sp+270h] [bp-Ch]@3
	int currentIp; // [sp+14h] [bp-268h]@26
	DWORD timeStart; // [sp+4Ch] [bp-230h]@60
	DWORD ThreadId; // [sp+274h] [bp-8h]@62
	HANDLE hObject; // [sp+278h] [bp-4h]@62
	unsigned int v37; // [sp+10h] [bp-26Ch]@116
	unsigned int portIndex; // [sp+Ch] [bp-270h]@118
	LPVOID lpParameter; // [sp+8h] [bp-274h]@119
	unsigned int v45; // [sp+25Ch] [bp-20h]@160
	unsigned int hoursElapsed; // [sp+58h] [bp-224h]@162
	unsigned int minutesElapsed; // [sp+54h] [bp-228h]@162
  unsigned int secondsElapsed; // [sp+50h] [bp-22Ch]@162

  LONG previousCount;
  char	realStartIpAddr[200];
  char	realEndIpAddr[200];

	isSynScan = 0;
	v5 = 159;
	v25 = 0;
	v26 = 0;
	lastPortScan = 0;
	v29 = 0;
	count = 0;
	_portsTotal = 0;

	if ( !initWinsock() )
    {
		printf("Fail To Init Socket\n");
		return 0;
    }
		
	// www.shangdu.com/24 1.1.1.1/16
	//////////////////////////////////////////////////////////////////////////
	memset(realStartIpAddr, 0, sizeof(realStartIpAddr));
	memset(realEndIpAddr, 0, sizeof(realEndIpAddr));
	if (endIpAddr)
	{
		lstrcpy(realEndIpAddr, endIpAddr);
	}
	buildIpRange(startIpAddr, realStartIpAddr, realEndIpAddr);
	startIpAddr = realStartIpAddr;

	if (lstrlen(realEndIpAddr) > 0)
	{
		endIpAddr = realEndIpAddr;
	}

	//////////////////////////////////////////////////////////////////////////

	memset(lastScan, 0, sizeof(lastScan));
	memset(buf, 0, sizeof(buf));

	if ( lstrcmpi(scanType, "SYN") && lstrcmpi(scanType, "TCP") )
	{
		printf("Invalid Scan Type\n");
		return 0;
	}
	if ( lstrcmpi(scanType, "SYN") )
	{
		_maxThreads = atoi(maxThreads);
		if ( !_maxThreads || (unsigned int)_maxThreads > 0x400 )
		{
			printf("Max Thread Out Of Bound\n");
			return 0;
		}
	}
	else
	{
		isSynScan = 1;
		if ( !isWin2K() )
		{
			printf("SYN Scan Can Only Perform On WIN 2K Or Above\n");
			return 0;
		}
		_maxThreads = 1;
	}

	if (!endIpAddr)
	{
		_isRangeScan = 1;
	}
	if ( !strstr(portList, "-") )
	{
		if ( !strstr(portList, ",") )
			_isSinglePort = 1;
	}
	if ( _isRangeScan )
	{
		startIp = inet_addr(startIpAddr);
		_startIp = ntohl(startIp);
		_endIp = _startIp;
	}
	else
	{
		v8 = inet_addr(startIpAddr);
		_startIp = ntohl(v8);
		v9 = inet_addr(endIpAddr);
		_endIp = ntohl(v9);
		if ( _startIp > _endIp )
		{
			printf("Invalid Hosts To Scan\n");
			return 0;
		}
		if ( _endIp == _startIp )
			_isRangeScan = 1;
	}
	if (!_isSinglePort)
	{
		//////////////////////////////////////////////////////////////////////////
		if ( strstr(portList, "-") )
		{
			v11 = (int)strtok(portList, "-");
			currentIp = v11;
			if ( !v11 )
			{
				printf("Something Wrong About The Ports\n");
				return 0;
			}
			_portScanSingle = atoi((const char *)currentIp);
			v12 = (int)strtok(0, "-");
			currentIp = v12;
			if ( v12 )
				dword_407090 = atoi((const char *)currentIp);
			if ( !_portScanSingle || (unsigned int)dword_407090 > 0xFFFF || _portScanSingle > (unsigned int)dword_407090 )
			{
				printf("Invalid Port To Scan\n");
				return 0;
			}
		}
		else
		{
			if ( !strstr(portList, ",") )
			{
				printf("Invalid Port List\n");
				return 0;
			}
			v13 = getPortsCount(portList);
			currentIp = v13;
			if ( !v13 )
			{
				printf("No Port To Scan\n");
				return 0;
			}
			_isMultiplePort = buildPortsList(portList, currentIp);
			if ( _isMultiplePort )
			{
				_isSinglePort = (unsigned int)_portsTotal <= 1;
			}
		}
	}
  else
  {
    _portToScan = atoi(portList);
    if ( !_portToScan || _portToScan > 0xFFFF )
    {
      printf("Invalid Port To Scan\n");
      return 0;
    }
    _portScanSingle = _portToScan;
    dword_407090 = _portToScan;
  }
    if ( !isSynScan )
    {
      _semaphore = CreateSemaphoreA(0, _maxThreads, _maxThreads, 0);
      if ( !_semaphore )
      {
        printf("Fail To Create Semaphore\n");
        if ( _portsArray )
          free(_portsArray);
        return 0;
      }
    }
 
	_bindIpAddr = getBindIpAddress(startIpAddr);

	if (INADDR_NONE == _bindIpAddr)
	{
		goto __faild;
	}
    timeStart = GetTickCount();
    if ( isSynScan )
    {
		printf("Bind On IP: %d.%d.%d.%d\n\n", (_bindIpAddr & 0x0000ff),
			((_bindIpAddr & 0x00ff00) >> 8), ((_bindIpAddr & 0xff0000 ) >> 16),	(_bindIpAddr >> 24));

		threadSniffer = CreateThread(0, 0, snifferThread, 0, 0, &ThreadId);
		hObject = threadSniffer;
		if (NULL == threadSniffer)
		{
			goto __faild;
		}
      CloseHandle(hObject);
    }
    if ( _isLog )
    {
      logWriteBuffer(_logFile, "-------------------------------------------------------------------------------\r\n");
      logWriteTime(_logFile);
    }
    if ( _isRangeScan || _isSinglePort )
    {
      if ( (!_isRangeScan) & _isSinglePort )
      {
        if ( isSynScan )
        {
          printf("SYN Scan: About To Scan %u IP Using %d Thread\n", _endIp - _startIp + 1, _maxThreads);
          if ( _isLog )
          {
            wsprintf(
              buf,
              "SYN Scan: About To Scan %u IP Using %d Thread\r\n",
              _endIp - _startIp + 1,
              _maxThreads);
            logWriteBuffer(_logFile, buf);
          }
        }
        else
        {
          printf("Normal Scan: About To Scan %u IP Using %d Threads\n", _endIp - _startIp + 1, _maxThreads);
          if ( _isLog )
          {
            wsprintf(
              buf,
              "Normal Scan: About To Scan %u IP Using %d Threads\r\n",
              _endIp - _startIp + 1,
              _maxThreads);
            logWriteBuffer(_logFile, buf);
          }
        }
      }
      else
      {
        if ( (!_isRangeScan || _isSinglePort) )
        {
          if ( _isRangeScan )
          {
            if ( _isSinglePort )
            {
              if ( isSynScan )
              {
                if ( _isMultiplePort )
                {
                  printf("SYN Scan: About To Scan %s:%d Using %d Thread\n", startIpAddr, *(DWORD *)_portsArray, _maxThreads);
                  if ( _isLog )
                  {
                    wsprintf(
                      buf,
                      "SYN Scan: About To Scan %s:%d Using %d Thread\r\n",
                      startIpAddr,
                      *(DWORD *)_portsArray,
                      _maxThreads);
                    logWriteBuffer(_logFile, buf);
                  }
                }
                else
                {
                  printf("SYN Scan: About To Scan %s:%d Using %d Thread\n", startIpAddr, _portScanSingle, _maxThreads);
                  if ( _isLog )
                  {
                    wsprintf(
                      buf,
                      "SYN Scan: About To Scan %s:%d Using %d Thread\r\n",
                      startIpAddr,
                      _portScanSingle,
                      _maxThreads);
                    logWriteBuffer(_logFile, buf);
                  }
                }
              }
              else
              {
                if ( _isMultiplePort )
                {
                  printf("Normal Scan: About To Scan %s:%d Using %d Thread\n", startIpAddr, *(DWORD *)_portsArray, _maxThreads);
                  if ( _isLog )
                  {
                    wsprintf(
                      buf,
                      "Normal Scan: About To Scan %s:%d Using %d Thread\r\n",
                      startIpAddr,
                      *(DWORD *)_portsArray,
                      _maxThreads);
                    logWriteBuffer(_logFile, buf);
                  }
                }
                else
                {
                  printf("Normal Scan: About To Scan %s:%d Using %d Thread\n", startIpAddr, _portScanSingle, _maxThreads);
                  if ( _isLog )
                  {
                    wsprintf(
                      buf,
                      "Normal Scan: About To Scan %s:%d Using %d Thread\r\n",
                      startIpAddr,
                      _portScanSingle,
                      _maxThreads);
                    logWriteBuffer(_logFile, buf);
                  }
                }
              }
            }
          }
        }
        else
        {
          if ( isSynScan )
          {
            if ( _isMultiplePort )
            {
              printf("SYN Scan: About To Scan %u Ports Using %d Thread\n", _portsTotal, _maxThreads);
              if ( _isLog )
              {
                wsprintf(buf, "SYN Scan: About To Scan %u Ports Using %d Thread\r\n", _portsTotal, _maxThreads);
                logWriteBuffer(_logFile, buf);
              }
            }
            else
            {
              printf(
                "SYN Scan: About To Scan %u Ports Using %d Thread\n",
                dword_407090 - _portScanSingle + 1,
                _maxThreads);
              if ( _isLog )
              {
                wsprintf(
                  buf,
                  "SYN Scan: About To Scan %u Ports Using %d Thread\r\n",
                  dword_407090 - _portScanSingle + 1,
                  _maxThreads);
                logWriteBuffer(_logFile, buf);
              }
            }
          }
          else
          {
            if ( _isMultiplePort )
            {
              printf("Normal Scan: About To Scan %u Ports Using %d Thread\n", _portsTotal, _maxThreads);
              if ( _isLog )
              {
                wsprintf(buf, "Normal Scan: About To Scan %u Ports Using %d Thread\r\n", _portsTotal, _maxThreads);
                logWriteBuffer(_logFile, buf);
              }
            }
            else
            {
              printf(
                "Normal Scan: About To Scan %u Ports Using %d Thread\n",
                dword_407090 - _portScanSingle + 1,
                _maxThreads);
              if ( _isLog )
              {
                wsprintf(
                  buf,
                  "Normal Scan: About To Scan %u Ports Using %d Thread\r\n",
                  dword_407090 - _portScanSingle + 1,
                  _maxThreads);
                logWriteBuffer(_logFile, buf);
              }
            }
          }
        }
      }
    }
    else
    {
      if ( isSynScan )
      {
        if ( _isMultiplePort )
        {
          printf(
            "SYN Scan: About To Scan %u IP For %u Ports Using %d Thread\n",
            _endIp - _startIp + 1,
            _portsTotal,
            _maxThreads);
          if ( _isLog )
          {
            wsprintf(
              buf,
              "SYN Scan: About To Scan %u IP For %u Ports Using %d Thread\r\n",
              _endIp - _startIp + 1,
              _portsTotal,
              _maxThreads);
            logWriteBuffer(_logFile, buf);
          }
        }
        else
        {
          printf(
            "SYN Scan: About To Scan %u IP For %u Ports Using %d Thread\n",
            _endIp - _startIp + 1,
            dword_407090 - _portScanSingle + 1,
            _maxThreads);
          if ( _isLog )
          {
            wsprintf(
              buf,
              "SYN Scan: About To Scan %u IP For %u Ports Using %d Thread\r\n",
              _endIp - _startIp + 1,
              dword_407090 - _portScanSingle + 1,
              _maxThreads);
            logWriteBuffer(_logFile, buf);
          }
        }
      }
      else
      {
        if ( _isMultiplePort )
        {
          printf(
            "Normal Scan: About To Scan %u IP For %u Ports Using %d Thread\n",
            _endIp - _startIp + 1,
            _portsTotal,
            _maxThreads);
          if ( _isLog )
          {
            wsprintf(
              buf,
              "Normal Scan: About To Scan %u IP For %u Ports Using %d Thread\r\n",
              _endIp - _startIp + 1,
              _portsTotal,
              _maxThreads);
            logWriteBuffer(_logFile, buf);
          }
        }
        else
        {
          printf(
            "Normal Scan: About To Scan %u IP For %u Ports Using %d Thread\n",
            _endIp - _startIp + 1,
            dword_407090 - _portScanSingle + 1,
            _maxThreads);
          if ( _isLog )
          {
            wsprintf(
              buf,
              "Normal Scan: About To Scan %u IP For %u Ports Using %d Thread\r\n",
              _endIp - _startIp + 1,
              dword_407090 - _portScanSingle + 1,
              _maxThreads);
            logWriteBuffer(_logFile, buf);
          }
        }
      }
    }
    if ( isSynScan )
    {
      ++_threadsUsed;
      synScan();
      goto LABEL_147;
    }
    v37 = 0;
    currentIp = _startIp;
    while ( currentIp <= _endIp )
    {
      if ( _isMultiplePort )
      {
        portIndex = 0;
        while ( portIndex < _portsTotal )
        {
          lpParameter = malloc(sizeof(DWORD) * 2);
          if ( lpParameter )
          {
            *(DWORD *)lpParameter = currentIp;
            *((DWORD *)lpParameter + 1) = *((DWORD *)_portsArray + portIndex);

            v17 = CreateThread(0, 0, tcpScanThread, lpParameter, 0, &ThreadId);
            hObject = v17;
            if ( v17 )
            {
              EnterCriticalSection(&_cs);
              printf("%u IP Scanned.Taking %d Threads \r", _ipScanned / (unsigned int)_portsTotal, _threadsUsed++);
              ++count;
              LeaveCriticalSection(&_cs);
              CloseHandle(hObject);
            }
            if ( _isBreak )
            {
              v26 = currentIp + 1;
              lastPortScan = *((DWORD *)_portsArray + portIndex);
              v37 = 1;
              break;
            }
            WaitForSingleObject(_semaphore, INFINITE);
          }
          ++portIndex;
        }
      }
      else
      {
        lpParameter = (LPVOID)(dword_407090 - _portScanSingle + 1);
        portIndex = _portScanSingle;
        while ( portIndex <= dword_407090 )
        {
          param = malloc(sizeof(DWORD) * 2);
          if ( param )
          {
            *(DWORD *)param = currentIp;
			*((DWORD *)param + 1) = portIndex;
            hObject = CreateThread(0, 0, tcpScanThread, (LPVOID)param, 0, &ThreadId);
            if ( hObject )
            {
              EnterCriticalSection(&_cs);
              if ( _isRangeScan )
              {
                if ( !_isSinglePort )
                  printf("%u Ports Scanned.Taking %d Threads \r", _ipScanned, _threadsUsed);
              }
              else
              {
                v23 = _ipScanned / (unsigned int)lpParameter;
                printf("%u IP Scanned.Taking %d Threads \r", _ipScanned / (unsigned int)lpParameter, _threadsUsed);
              }
              ++_threadsUsed;
              ++count;
              LeaveCriticalSection(&_cs);
              CloseHandle(hObject);
            }
            if ( _isBreak )
            {
              if ( _isRangeScan )
                v26 = currentIp;
              else
                v26 = currentIp + 1;
              lastPortScan = portIndex;
              v37 = 1;
              break;
            }
            WaitForSingleObject(_semaphore, INFINITE);
          }
          ++portIndex;
        }
      }
      if ( v37 )
        break;
      ++currentIp;
    }
LABEL_147:
    while ( _threadsUsed )
    {
      WaitForSingleObject(_semaphore, INFINITE);
      EnterCriticalSection(&_cs);
      printf("%d Threads Are In Process......              \r", _threadsUsed);
      v29 = ReleaseSemaphore(_semaphore, 1, &previousCount);
      LeaveCriticalSection(&_cs);
      if ( !v29 )
      {
        v20 = GetLastError();
        printf("Error Code: %d\n", v20);
        Sleep(3000);
        break;
      }
      if ( previousCount + 1 != _maxThreads )
      {
        Sleep(10);
        if ( isSynScan )
          continue;
        if ( _ipScanned != count )
          continue;
      }
      break;
    }
    if ( isSynScan )
      Sleep(500);
    if ( !isSynScan )
    {
      if ( _isBreak )
      {
        wsprintf(
          lastScan,
          "%d.%d.%d.%d",
          (unsigned int)v26 >> 24,
          ((unsigned int)v26 >> 16) & 0xFF,
          (unsigned __int16)((WORD)v26 >> 8),
          (unsigned __int8)v26);
        printf("Last Scan: %s:%d                \n", &lastScan, lastPortScan);
        if ( _isLog )
        {
          wsprintf(buf, "LastIP Scanned: %s:%d\r\n", &lastScan, lastPortScan);
          logWriteBuffer(_logFile, buf);
        }
      }
    }
    v21 = (GetTickCount() - timeStart) / 0x3E8;
    currentIp = v21;
    v45 = v21;
    if ( !v21 )
      ++v45;
    v37 = v45 % 0x15180 / 0xE10;
    hoursElapsed = v45 % 0x15180 / 0xE10;
    portIndex = v45 % 0x15180 % 0xE10 / 0x3C;
    minutesElapsed = v45 % 0x15180 % 0xE10 / 0x3C;
    secondsElapsed = v45 % 0x15180 % 0xE10 % 0x3C;
    if ( _isBreak )
    {
      if ( _isRangeScan )
      {
        printf(
          "Scan %s Complete In %d Hours %d Minutes %d Seconds. Found %u Open Ports\n",
          startIpAddr,
          hoursElapsed,
          minutesElapsed,
          secondsElapsed,
          _totalPortsOpen);
        if ( _isLog )
        {
          wsprintf(
            buf,
            "Scan %s Complete In %d Hours %d Minutes %d Seconds. Found %u Open Ports\r\n",
            startIpAddr,
            hoursElapsed,
            minutesElapsed,
            secondsElapsed,
            _totalPortsOpen);
          logWriteBuffer(_logFile, buf);
        }
      }
      else
      {
        if ( _isSinglePort )
        {
          lpParameter = (LPVOID)_ipScanned;
        }
        else
        {
          if ( _isMultiplePort )
          {
            if ( _portsTotal )
            {
              lpParameter = (LPVOID)(_ipScanned / (unsigned int)_portsTotal);
            }
            else
            {
              lpParameter = (LPVOID)_ipScanned;
            }
          }
          else
          {
            v22 = dword_407090 - _portScanSingle + 1;
            lpParameter = (LPVOID)(_ipScanned / v22);
          }
        }
        printf(
          "Scan %u IPs Complete In %d Hours %d Minutes %d Seconds. Found %u Hosts\n",
          lpParameter,
          hoursElapsed,
          minutesElapsed,
          secondsElapsed,
          _totalPortsOpen);
        if ( _isLog )
        {
          wsprintf(
            buf,
            "Scan %u IPs Complete In %d Hours %d Minutes %d Seconds. Found %u Hosts\r\n",
            lpParameter,
            hoursElapsed,
            minutesElapsed,
            secondsElapsed,
            _totalPortsOpen);
          logWriteBuffer(_logFile, buf);
        }
      }
    }
    else
    {
      if ( _isRangeScan )
      {
        printf(
          "Scan %s Complete In %d Hours %d Minutes %d Seconds. Found %u Open Ports\n",
          startIpAddr,
          hoursElapsed,
          minutesElapsed,
          secondsElapsed,
          _totalPortsOpen);
        if ( _isLog )
        {
          wsprintf(
            buf,
            "Scan %s Complete In %d Hours %d Minutes %d Seconds. Found %u Open Ports\r\n",
            startIpAddr,
            hoursElapsed,
            minutesElapsed,
            secondsElapsed,
            _totalPortsOpen);
          logWriteBuffer(_logFile, buf);
        }
      }
      else
      {
        printf(
          "Scan %u IPs Complete In %d Hours %d Minutes %d Seconds. Found %u Hosts\r\n",
          _endIp - _startIp + 1,
          hoursElapsed,
          minutesElapsed,
          secondsElapsed,
          _totalPortsOpen);
        if ( _isLog )
        {
          wsprintf(
            buf,
            "Scan %u IPs Complete In %d Hours %d Minutes %d Seconds. Found %u Hosts\r\n",
            _endIp - _startIp + 1,
            hoursElapsed,
            minutesElapsed,
            secondsElapsed,
            _totalPortsOpen);
          logWriteBuffer(_logFile, buf);
        }
      }
    }
    if ( _isLog )
      logWriteBuffer(_logFile, "-------------------------------------------------------------------------------\r\n\r\n");

__faild:
  if ( _semaphore )
	  CloseHandle(_semaphore);
  if ( _s != -1 )
	  closesocket(_s);
  if ( _portsArray )
	  free(_portsArray);
  WSACleanup();
        return 1;

  return 0;
}

int main(int argc, char **argv)
{
	int	ret;
	printf("TCP Port Scanner V1.2 By WinEggDrop\n\n");
	if ( argc == 4 || argc == 5 || argc == 6 || argc == 7 || argc == 8 || argc == 9 )
	{
	 if ( SetConsoleCtrlHandler(ConsoleCtrlHandler, TRUE) )
	 {
		 if ( InitializeCriticalSectionAndSpinCount(&_cs, 0x80000400) )
		 {
			 int arg = argc;
			 for (int i = 1; i <= 3; i++)
			 {
				if (!lstrcmpi(argv[argc - i], "/Save"))
				{
					_isLog = TRUE;
				}
				else if (!lstrcmpi(argv[argc - i], "/Banner"))
				{
					_isBanner = TRUE;
				}
				else if (!lstrcmpi(argv[argc - i], "/HBanner"))
				{
					_isBanner = TRUE;
					_isHttp = TRUE;
				}
				else if (!_strnicmp(argv[argc - i], "/T", 2))
				{
					_tcpTimeout = atoi(argv[argc - i]+2);

					if (!_tcpTimeout)
					{
						printf("Invalid timeout value\n");
						return -1;
					}
				}
				else
				{
					continue;
				}

				arg--;
			 }
			 
			 switch ( arg )
			 {
			 case 4:
				 startScan(argv[1], argv[2], 0, argv[3], "1");
				 break;
			 case 5:
				 if ( lstrcmpi(argv[1], "SYN") )
					 startScan(argv[1], argv[2], 0, argv[3], argv[4]);
				 else
					 startScan(argv[1], argv[2], argv[3], argv[4], "1");
				 break;
			 case 6:
				 startScan(argv[1], argv[2], argv[3], argv[4], argv[5]);
				 break;
			 }
			 DeleteCriticalSection(&_cs);
			 ret = 0;
		 }
		 else
		 {
			 ret = -1;
		 }
	 }
	 else
	 {
		 printf("Could Not Set Up Control Handler\n");
		 ret = -1;
	 }
 }
 else
 {
	 help(argv[0]);
	 ret = -1;
 }
  return ret;
}


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作者:NINE
这个作者貌似有点懒,什么都没有留下。

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