PEASS-ng/winPEAS/winPEASexe/winPEAS/NetworkInfo.cs
carlospolop 0a5b2b69ed Winpeas
2020-04-10 18:54:38 +01:00

426 lines
21 KiB
C#
Executable File

using System;
using System.Collections.Generic;
using System.Management;
using System.Runtime.InteropServices;
using System.Net.NetworkInformation;
using System.Reflection;
using System.Net;
using System.Linq;
namespace winPEAS
{
class NetworkInfo
{
[DllImport("IpHlpApi.dll")]
[return: MarshalAs(UnmanagedType.U4)]
internal static extern int GetIpNetTable(IntPtr pIpNetTable, [MarshalAs(UnmanagedType.U4)]ref int pdwSize, bool bOrder);
[DllImport("IpHlpApi.dll", SetLastError = true, CharSet = CharSet.Auto)]
internal static extern int FreeMibTable(IntPtr plpNetTable);
[StructLayout(LayoutKind.Sequential)]
internal struct MIB_IPNETROW
{
[MarshalAs(UnmanagedType.U4)]
public int dwIndex;
[MarshalAs(UnmanagedType.U4)]
public int dwPhysAddrLen;
[MarshalAs(UnmanagedType.U1)]
public byte mac0;
[MarshalAs(UnmanagedType.U1)]
public byte mac1;
[MarshalAs(UnmanagedType.U1)]
public byte mac2;
[MarshalAs(UnmanagedType.U1)]
public byte mac3;
[MarshalAs(UnmanagedType.U1)]
public byte mac4;
[MarshalAs(UnmanagedType.U1)]
public byte mac5;
[MarshalAs(UnmanagedType.U1)]
public byte mac6;
[MarshalAs(UnmanagedType.U1)]
public byte mac7;
[MarshalAs(UnmanagedType.U4)]
public int dwAddr;
[MarshalAs(UnmanagedType.U4)]
public int dwType;
}
public enum ArpEntryType
{
Other = 1,
Invalid = 2,
Dynamic = 3,
Static = 4,
}
public const int ERROR_INSUFFICIENT_BUFFER = 122;
public static List<Dictionary<string, string>> GetNetCardInfo()
{
List<Dictionary<string, string>> results = new List<Dictionary<string, string>>();
Dictionary<int, Dictionary<string, string>> adapters = new Dictionary<int, Dictionary<string, string>>();
try
{
foreach (NetworkInterface netElement in NetworkInterface.GetAllNetworkInterfaces())
{
Dictionary<string, string> card = new Dictionary<string, string>() {
{ "Index", netElement.GetIPProperties().GetIPv4Properties().Index.ToString() },
{ "Name", netElement.Name },
{ "PysicalAddr", "" },
{ "DNSs", String.Join(", ", netElement.GetIPProperties().DnsAddresses) },
{ "Gateways", "" },
{ "IPs", "" },
{ "Netmasks", "" },
{ "arp", "" }
};
card["PysicalAddrIni"] = netElement.GetPhysicalAddress().ToString();
for (int i = 0; i < card["PysicalAddrIni"].Length; i += 2)
card["PysicalAddr"] += card["PysicalAddrIni"].Substring(i, 2) + ":";
foreach (GatewayIPAddressInformation address in netElement.GetIPProperties().GatewayAddresses.Reverse()) //Reverse so first IPv4
card["Gateways"] += address.Address + ", ";
foreach (UnicastIPAddressInformation ip in netElement.GetIPProperties().UnicastAddresses.Reverse())
{ //Reverse so first IPv4
card["IPs"] += ip.Address.ToString() + ", ";
card["Netmasks"] += ip.IPv4Mask.ToString() + ", ";
}
//Delete last separator
if (card["PysicalAddr"].Length > 0)
card["PysicalAddr"] = card["PysicalAddr"].Remove(card["PysicalAddr"].Length - 1);
if (card["Gateways"].Length > 0)
card["Gateways"] = card["Gateways"].Remove(card["Gateways"].Length - 2);
if (card["IPs"].Length > 0)
card["IPs"] = card["IPs"].Remove(card["IPs"].Length - 2);
if (card["Netmasks"].Length > 0)
card["Netmasks"] = card["Netmasks"].Remove(card["Netmasks"].Length - 2);
adapters[netElement.GetIPProperties().GetIPv4Properties().Index] = card;
}
//return results;
// GET ARP values
int bytesNeeded = 0;
int result = GetIpNetTable(IntPtr.Zero, ref bytesNeeded, false);
// call the function, expecting an insufficient buffer.
if (result != ERROR_INSUFFICIENT_BUFFER)
{
Console.WriteLine(" [X] Exception: {0}", result);
}
IntPtr buffer = IntPtr.Zero;
// allocate sufficient memory for the result structure
buffer = Marshal.AllocCoTaskMem(bytesNeeded);
result = GetIpNetTable(buffer, ref bytesNeeded, false);
if (result != 0)
{
Console.WriteLine(" [X] Exception allocating buffer: {0}", result);
}
// now we have the buffer, we have to marshal it. We can read the first 4 bytes to get the length of the buffer
int entries = Marshal.ReadInt32(buffer);
// increment the memory pointer by the size of the int
IntPtr currentBuffer = new IntPtr(buffer.ToInt64() + Marshal.SizeOf(typeof(int)));
// allocate a list of entries
List<MIB_IPNETROW> arpEntries = new List<MIB_IPNETROW>();
// cycle through the entries
for (int index = 0; index < entries; index++)
{
arpEntries.Add((MIB_IPNETROW)Marshal.PtrToStructure(new IntPtr(currentBuffer.ToInt64() + (index * Marshal.SizeOf(typeof(MIB_IPNETROW)))), typeof(MIB_IPNETROW)));
}
// sort the list by interface index
List<MIB_IPNETROW> sortedARPEntries = arpEntries.OrderBy(o => o.dwIndex).ToList();
int currentIndexAdaper = -1;
foreach (MIB_IPNETROW arpEntry in sortedARPEntries)
{
int indexAdapter = arpEntry.dwIndex;
if (!adapters.ContainsKey(indexAdapter))
{
Console.WriteLine("Error: No interface found with Index " + arpEntry.dwIndex.ToString());
continue;
}
currentIndexAdaper = indexAdapter;
IPAddress ipAddr = new IPAddress(BitConverter.GetBytes(arpEntry.dwAddr));
byte[] macBytes = new byte[] { arpEntry.mac0, arpEntry.mac1, arpEntry.mac2, arpEntry.mac3, arpEntry.mac4, arpEntry.mac5 };
string physAddr = BitConverter.ToString(macBytes);
ArpEntryType entryType = (ArpEntryType)arpEntry.dwType;
adapters[arpEntry.dwIndex]["arp"] += String.Format(" {0,-22}{1,-22}{2}\n", ipAddr, physAddr, entryType);
}
FreeMibTable(buffer);
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
results = adapters.Values.ToList();
return results;
}
public static List<List<string>> GetNetConnections()
{
List<List<string>> results = new List<List<string>>();
try
{
var props = IPGlobalProperties.GetIPGlobalProperties();
results.Add(new List<string>() { "Proto", "Local Address", "Foreing Address", "State" });
//foreach (var conn in props.GetActiveTcpConnections())
// results.Add(new List<string>() { "TCP", conn.LocalEndPoint.ToString(), conn.RemoteEndPoint.ToString(), conn.State.ToString() });
foreach (var listener in props.GetActiveTcpListeners())
{
bool repeated = false;
foreach(List<string> inside_entry in results)
{
if (inside_entry.SequenceEqual(new List<string>() { "TCP", listener.ToString(), "", "Listening" }))
repeated = true;
}
if (! repeated)
results.Add(new List<string>() { "TCP", listener.ToString(), "", "Listening" });
}
foreach (var listener in props.GetActiveUdpListeners())
{
bool repeated = false;
foreach (List<string> inside_entry in results)
{
if (inside_entry.SequenceEqual(new List<string>() { "UDP", listener.ToString(), "", "Listening" }))
repeated = true;
}
if (!repeated)
results.Add(new List<string>() { "UDP", listener.ToString(), "", "Listening" });
}
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
return results;
}
// From Seatbelt
[Flags]
public enum FirewallProfiles : int
{
DOMAIN = 1,
PRIVATE = 2,
PUBLIC = 4,
ALL = 2147483647
}
public static string GetFirewallProfiles()
{
string result = "";
try
{
Type firewall = Type.GetTypeFromCLSID(new Guid("E2B3C97F-6AE1-41AC-817A-F6F92166D7DD"));
Object firewallObj = Activator.CreateInstance(firewall);
Object types = firewallObj.GetType().InvokeMember("CurrentProfileTypes", BindingFlags.GetProperty, null, firewallObj, null);
result = String.Format("{0}", (FirewallProfiles)Int32.Parse(types.ToString()));
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
return result;
}
public static Dictionary<string, string> GetFirewallBooleans()
{
Dictionary<string, string> results = new Dictionary<string, string>();
try
{
Type firewall = Type.GetTypeFromCLSID(new Guid("E2B3C97F-6AE1-41AC-817A-F6F92166D7DD"));
Object firewallObj = Activator.CreateInstance(firewall);
Object enabledDomain = firewallObj.GetType().InvokeMember("FirewallEnabled", BindingFlags.GetProperty, null, firewallObj, new object[] { 1 });
Object enabledPrivate = firewallObj.GetType().InvokeMember("FirewallEnabled", BindingFlags.GetProperty, null, firewallObj, new object[] { 2 });
Object enabledPublic = firewallObj.GetType().InvokeMember("FirewallEnabled", BindingFlags.GetProperty, null, firewallObj, new object[] { 4 });
results = new Dictionary<string, string>() {
{ "FirewallEnabled (Domain)", String.Format("{0}", enabledDomain) },
{ "FirewallEnabled (Private)", String.Format("{0}", enabledPrivate) },
{ "FirewallEnabled (Public)", String.Format("{0}", enabledPublic) },
};
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
return results;
}
public static List<Dictionary<string, string>> GetFirewallRules()
{
List<Dictionary<string, string>> results = new List<Dictionary<string, string>>();
try
{
//Filtrado por DENY como Seatbelt??
// GUID for HNetCfg.FwPolicy2 COM object
Type firewall = Type.GetTypeFromCLSID(new Guid("E2B3C97F-6AE1-41AC-817A-F6F92166D7DD"));
Object firewallObj = Activator.CreateInstance(firewall);
// now grab all the rules
Object rules = firewallObj.GetType().InvokeMember("Rules", BindingFlags.GetProperty, null, firewallObj, null);
// manually get the enumerator() method
System.Collections.IEnumerator enumerator = (System.Collections.IEnumerator)rules.GetType().InvokeMember("GetEnumerator", BindingFlags.InvokeMethod, null, rules, null);
// move to the first item
enumerator.MoveNext();
Object currentItem = enumerator.Current;
while (currentItem != null)
{
// only display enabled rules
Object Enabled = currentItem.GetType().InvokeMember("Enabled", BindingFlags.GetProperty, null, currentItem, null);
if (Enabled.ToString() == "True")
{
Object Action = currentItem.GetType().InvokeMember("Action", BindingFlags.GetProperty, null, currentItem, null);
if (Action.ToString() == "0") //Only DENY rules
{
// extract all of our fields
Object Name = currentItem.GetType().InvokeMember("Name", BindingFlags.GetProperty, null, currentItem, null);
Object Description = currentItem.GetType().InvokeMember("Description", BindingFlags.GetProperty, null, currentItem, null);
Object Protocol = currentItem.GetType().InvokeMember("Protocol", BindingFlags.GetProperty, null, currentItem, null);
Object ApplicationName = currentItem.GetType().InvokeMember("ApplicationName", BindingFlags.GetProperty, null, currentItem, null);
Object LocalAddresses = currentItem.GetType().InvokeMember("LocalAddresses", BindingFlags.GetProperty, null, currentItem, null);
Object LocalPorts = currentItem.GetType().InvokeMember("LocalPorts", BindingFlags.GetProperty, null, currentItem, null);
Object RemoteAddresses = currentItem.GetType().InvokeMember("RemoteAddresses", BindingFlags.GetProperty, null, currentItem, null);
Object RemotePorts = currentItem.GetType().InvokeMember("RemotePorts", BindingFlags.GetProperty, null, currentItem, null);
Object Direction = currentItem.GetType().InvokeMember("Direction", BindingFlags.GetProperty, null, currentItem, null);
Object Profiles = currentItem.GetType().InvokeMember("Profiles", BindingFlags.GetProperty, null, currentItem, null);
string ruleAction = "ALLOW";
if (Action.ToString() != "1")
ruleAction = "DENY";
string ruleDirection = "IN";
if (Direction.ToString() != "1")
ruleDirection = "OUT";
string ruleProtocol = "TCP";
if (Protocol.ToString() != "6")
ruleProtocol = "UDP";
Dictionary<string, string> rule = new Dictionary<string, string> { };
rule["Name"] = String.Format("{0}", Name);
rule["Description"] = String.Format("{0}", Description);
rule["AppName"] = String.Format("{0}", ApplicationName);
rule["Protocol"] = String.Format("{0}", ruleProtocol);
rule["Action"] = String.Format("{0}", ruleAction);
rule["Direction"] = String.Format("{0}", ruleDirection);
rule["Profiles"] = String.Format("{0}", Int32.Parse(Profiles.ToString()));
rule["Local"] = String.Format("{0}:{1}", LocalAddresses, LocalPorts);
rule["Remote"] = String.Format("{0}:{1}", RemoteAddresses, RemotePorts);
results.Add(rule);
}
}
// manually move the enumerator
enumerator.MoveNext();
currentItem = enumerator.Current;
}
Marshal.ReleaseComObject(firewallObj);
firewallObj = null;
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
return results;
}
// https://stackoverflow.com/questions/3567063/get-a-list-of-all-unc-shared-folders-on-a-local-network-server
// v2: https://stackoverflow.com/questions/6227892/reading-share-permissions-in-c-sharp
public static List<Dictionary<string, string>> GetNetworkShares(string pcname)
{
List<Dictionary<string, string>> results = new List<Dictionary<string, string>>();
try
{
ManagementClass manClass = new ManagementClass(@"\\" + pcname + @"\root\cimv2:Win32_Share"); //get shares
foreach (ManagementObject objShare in manClass.GetInstances())
{
int current_perm = 0;
string perm_str = "";
try
{
//get the access values you have
ManagementBaseObject result = objShare.InvokeMethod("GetAccessMask", null, null);
//value meanings: http://msdn.microsoft.com/en-us/library/aa390438(v=vs.85).aspx
current_perm = Convert.ToInt32(result.Properties["ReturnValue"].Value);
perm_str = MyUtils.PermInt2Str(current_perm);
}
catch (ManagementException me)
{
perm_str = ""; //no permissions are set on the share
}
Dictionary<string, string> share = new Dictionary<string, string> { };
share["Name"] = String.Format("{0}", objShare.Properties["Name"].Value);
share["Path"] = String.Format("{0}", objShare.Properties["Path"].Value);
share["Permissions"] = perm_str;
results.Add(share);
}
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
return results;
}
//From Seatbelt
public static List<Dictionary<string, string>> GetDNSCache()
{
List<Dictionary<string, string>> results = new List<Dictionary<string, string>>();
try
{
ManagementObjectSearcher wmiData = new ManagementObjectSearcher(@"root\standardcimv2", "SELECT * FROM MSFT_DNSClientCache");
ManagementObjectCollection data = wmiData.Get();
foreach (ManagementObject result in data)
{
Dictionary<string, string> dnsEntry = new Dictionary<string, string>();
string entry = String.Format("{0}", result["Entry"]);
string name = String.Format("{0}", result["Name"]);
string dataDns = String.Format("{0}", result["Data"]);
dnsEntry["Entry"] = (entry.Length > 33) ? "..." + result["Entry"].ToString().Substring(entry.Length - 32) : entry;
dnsEntry["Name"] = (name.Length > 33) ? "..." + name.Substring(name.Length - 32) : name;
dnsEntry["Data"] = (dataDns.Length > 33) ? "..." + dataDns.Substring(dataDns.Length - 32) : dataDns;
results.Add(dnsEntry);
}
}
catch (ManagementException ex) when (ex.ErrorCode == ManagementStatus.InvalidNamespace)
{
Console.WriteLine(" [X] 'MSFT_DNSClientCache' WMI class unavailable (minimum supported versions of Windows: 8/2012)", ex.Message);
}
catch (Exception ex)
{
Beaprint.GrayPrint(String.Format(" [X] Exception: {0}", ex.Message));
}
return results;
}
}
}