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1) Fixes for newer(?) pcap, uses "URI-ish" NIC id; 2) Improved ARP sc… #15

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1) Fixes for newer(?) pcap, uses "URI-ish" NIC id; 2) Improved ARP sc… #15

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18 changes: 15 additions & 3 deletions Nighthawk/Main.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -106,8 +106,8 @@ public List<string> GetInterfaces()
if (addr.Addr.ipAddress.AddressFamily == AddressFamily.InterNetwork)
{
address = addr.Addr.ipAddress.ToString();
subnet = addr.Netmask.ipAddress.ToString();
broadcast = addr.Broadaddr.ipAddress.ToString();
subnet = (addr.Netmask.ipAddress != null)? addr.Netmask.ipAddress.ToString() : "0.0.0.0";
broadcast = addr.Broadaddr.ipAddress != null ? addr.Broadaddr.ipAddress.ToString() : "0.0.0.0";
}

// get IPv6 addresses
Expand Down Expand Up @@ -144,7 +144,19 @@ public List<string> GetInterfaces()
}

// parse interface ID from WinPcap device "Name"
var id = Regex.Split(device.Name, "NPF_")[1];
string id;
try
{
id = Regex.Split(device.Name, "NPF_")[1];
}
catch
{
//System.Uri uri = new System.Uri(device.Name);
//id = uri.Host;
// Copying and pasting from stackOverflow, o`rally.. ^_^ https://stackoverflow.com/questions/2245442/c-sharp-split-a-string-by-another-string
id = device.Name.Split(new string[] { "//" }, StringSplitOptions.None)[1];
///id = String.Split(device.Name, "//")[1];
}

// get and set mac address, gateway and windows name (DeviceInfo)
foreach (var iface in NetworkInterface.GetAllNetworkInterfaces())
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3 changes: 2 additions & 1 deletion Nighthawk/MainWindow.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -232,7 +232,8 @@ private void BScanNetwork_Click(object sender, RoutedEventArgs e)
Nighthawk.StartDevice(CInterface.SelectedIndex);
}

TargetList.Clear();
//Sometimes there's losses in the scan, multiple scans can increase number of detected hosts
//TargetList.Clear();

// reset lists and clear filters
LArpTargets1List.ItemsSource = TargetList;
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2 changes: 2 additions & 0 deletions Nighthawk/Nighthawk.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,10 @@
</Reference>
<Reference Include="System" />
<Reference Include="System.Data" />
<Reference Include="System.Drawing" />
<Reference Include="System.ServiceModel" />
<Reference Include="System.ServiceModel.Discovery" />
<Reference Include="System.Windows.Forms" />
<Reference Include="System.Xml" />
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Core" />
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80 changes: 66 additions & 14 deletions Nighthawk/Scanner.cs
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Expand Up @@ -11,6 +11,7 @@
using PacketDotNet;
using PacketDotNet.Utils;
using SharpPcap.WinPcap;
using System.Windows.Forms;

/**
Nighthawk - ARP/ND spoofing, simple SSL stripping and password sniffing for Windows
Expand Down Expand Up @@ -144,35 +145,86 @@ private EthernetPacket GenerateIpv6Ping()

return ethernetPacket;
}

private static DialogResult ShowInputDialog(ref string input)
{
System.Drawing.Size size = new System.Drawing.Size(200, 70);
Form inputBox = new Form();

inputBox.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
inputBox.ClientSize = size;
inputBox.Text = "Name";

System.Windows.Forms.TextBox textBox = new TextBox();
textBox.Size = new System.Drawing.Size(size.Width - 10, 23);
textBox.Location = new System.Drawing.Point(5, 5);
textBox.Text = input;
inputBox.Controls.Add(textBox);

Button okButton = new Button();
okButton.DialogResult = System.Windows.Forms.DialogResult.OK;
okButton.Name = "okButton";
okButton.Size = new System.Drawing.Size(75, 23);
okButton.Text = "&OK";
okButton.Location = new System.Drawing.Point(size.Width - 80 - 80, 39);
inputBox.Controls.Add(okButton);

Button cancelButton = new Button();
cancelButton.DialogResult = System.Windows.Forms.DialogResult.Cancel;
cancelButton.Name = "cancelButton";
cancelButton.Size = new System.Drawing.Size(75, 23);
cancelButton.Text = "&Cancel";
cancelButton.Location = new System.Drawing.Point(size.Width - 80, 39);
inputBox.Controls.Add(cancelButton);

inputBox.AcceptButton = okButton;
inputBox.CancelButton = cancelButton;

DialogResult result = inputBox.ShowDialog();
input = textBox.Text;
return result;
}
// worker function for sending ARP requests
private void WorkerSender()
{
// get start/end IP
if(deviceInfo.Mask=="0.0.0.0")
{
deviceInfo.Mask = "255.255.255.0";
ShowInputDialog(ref deviceInfo.Mask);
}
long[] range = Network.MaskToStartEnd(deviceInfo.IP, deviceInfo.Mask);

long startIP = range[0];
long endIP = range[1];
long tot_endIP = range[1];
long currentIP = startIP;
int chunkSize = 16;

var possibilities = (int)endIP - (int)startIP;
while (currentIP <= tot_endIP)
{
var possibilities = Math.Min((int)tot_endIP - (int)currentIP, chunkSize);
var endIP = currentIP + possibilities;
var sendQueue = new SendQueue(possibilities * 80);

var sendQueue = new SendQueue(possibilities * 80);
var deviceIP = IPAddress.Parse(deviceInfo.IP);
// There are still losses in arp, try to send packet in chunks

// create ARP requests for all the hosts in our subnet);
while (currentIP <= endIP)
{
sendQueue.Add(GenerateARPRequest(Network.LongToIP(currentIP), deviceIP).Bytes);
var deviceIP = IPAddress.Parse(deviceInfo.IP);

currentIP++;
}
// create ARP requests for all the hosts in our subnet);
while (currentIP <= endIP)
{
sendQueue.Add(GenerateARPRequest(Network.LongToIP(currentIP), deviceIP).Bytes);

currentIP++;
}

// send our queue
sendQueue.Transmit(device, SendQueueTransmitModes.Normal);
// send our queue
//sendQueue.Transmit(device, SendQueueTransmitModes.Normal);
// There are losses in ARP part, not sure why, try different timing for better accuracy
sendQueue.Transmit(device, SendQueueTransmitModes.Synchronized);

Thread.Sleep(1000);
}
Thread.Sleep(3000);

// stop other threads and stop scanning
Started = false;

Expand Down