public static List <ADComputer> GetADComputers(string domainURL, string Username, string Password)
{
// Create new list
List <ADComputer> computers = new List <ADComputer>();
// Create new DE
DirectoryEntry entry = new DirectoryEntry("LDAP://" + domainURL);
// Set user and pass
entry.Username = Username;
entry.Password = Password;
// Create new searcher
DirectorySearcher mySearch = new DirectorySearcher(entry);
// Limit to only computers
mySearch.Filter = "(objectClass=computer)";
// Add properties to load for last logon and last user name
mySearch.PropertiesToLoad.AddRange(new[] { lastLogonProperty, distinguishedNameProperty });
foreach (SearchResult results in mySearch.FindAll())
{
var computer = new ADComputer();
string ComputerName = results.GetDirectoryEntry().Name;
// Remove CN from results
if (ComputerName.StartsWith("CN="))
{
ComputerName = ComputerName.Remove(0, "CN=".Length);
}
computer.ComputerInfo = ComputerName.ToString();
// Gets information about type of computer
if (results.Properties[distinguishedNameProperty].Count > 0)
{
computer.ComputerType = results.Properties[distinguishedNameProperty][0].ToString();
}
// Checks last logon
if (results.Properties[lastLogonProperty].Count > 0)
{
computer.LastLogon = Convert.ToString(DateTime.FromFileTime((long)results.Properties[lastLogonProperty][0]));
}
// Add to list
computers.Add(computer);
}
return(computers);
}
/// Method for remote registry query for logged on users - need to make this so user can input their own options
public static void RegQuery(string nekoFolder, string domainURL, string Username, string Password)
{
//Confirm that user has appropriate creds and is able to query registry remotely.
Console.WriteLine("This process typically requires domain admin privileges and remote registry enabled. Conintue? Enter 'y' or 'n':");
string userDecision = Console.ReadLine();
while (userDecision != "y" && userDecision != "")
{
Console.WriteLine("Invalid Selection.\r\nThis process typically requires domain admin privileges and remote registry enabled. Conintue? Enter 'y' or 'n':");
}
if (userDecision == "y")
{
//Need to turn this into list from previous results
Console.WriteLine("Enter '1' to use results from LDAP recon or '2' to specify target computer name:");
userDecision = Console.ReadLine();
while (userDecision != "1" && userDecision != "2")
{
Console.WriteLine("Invalid selection.\r\nEnter '1' to use results from LDAP recon or '2' to specify target computer name:");
}
if (userDecision == "2")
{
//Declare computer name
string computerName = "";
//Get computer name
Console.WriteLine("Specify target computer name:");
computerName = Console.ReadLine();
//Open remote key
try
{
//Specifiy key
RegistryKey registryKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, computerName, RegistryView.Registry64);
var key = registryKey.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI");
if (key == null)
{
}
//Create objects for values
object lastUser = key.GetValue("LastLoggedOnUser");
object lastDisplayName = key.GetValue("LastLoggedOnDisplayName");
//Display information
Console.WriteLine(lastUser.ToString(), lastDisplayName.ToString());
//Write out results
File.AppendAllText(nekoFolder + "\\User Locations.txt", "Last user: "******"Display Name: " + lastDisplayName.ToString() + Environment.NewLine
+ "Computer Name: " + computerName + Environment.NewLine);
}
catch (UnauthorizedAccessException)
{
Console.WriteLine("Access Denied. Insuficient privileges.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
else
{
//ComputerName from list
//Access list class from LDAP recon, need to make this so user can specify their own list if they want.
Console.WriteLine("Have you run LDAP recon to generate machine name list? Enter 'y' or 'n'");
string userChoice = Console.ReadLine();
while (userChoice != "y" && userChoice != "n")
{
Console.WriteLine("Invalid selection. Have you run LDAP computer recon to generate machine name list? Enter 'y' or 'n'");
//Set input
userChoice = Console.ReadLine();
}
//Run ldap comnputer recon
if (userChoice == "n")
{
try
{
var computerList = Neko.ADComputer.GetADComputers(domainURL, Username, Password);
Console.WriteLine("\r\nFound computers:");
//Get unique file to prevent overwriting
string writePath = UniqueFileCheck.UniqueFile(nekoFolder + "\\LDAP Computer Recon.txt");
//Start stream writer for writing results
using (var writer = new StreamWriter(writePath, append: true))
{
foreach (var computer in computerList)
{
Console.WriteLine(computer.ComputerInfo);
Console.WriteLine(computer.LastLogon);
Console.WriteLine(computer.ComputerType);
//Write out results
writer.WriteLine(Environment.NewLine + "Computer Name: " + computer.ComputerInfo + Environment.NewLine + "Last Logon: " + computer.LastLogon
+ Environment.NewLine + "Computer type " + computer.ComputerType);
writer.Flush();
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
// Run remote registry recon for all machines in list.
else
{
var computerList = ADComputer.GetADComputers(domainURL, Username, Password);
foreach (var computerName in computerList)
{
// Open remote key
try
{
// Specifiy key
RegistryKey registryKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, computerName.ComputerInfo, RegistryView.Registry64);
var key = registryKey.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI");
if (key == null)
{
}
// Create objects for values
object lastUser = key.GetValue("LastLoggedOnUser");
object lastDisplayName = key.GetValue("LastLoggedOnDisplayName");
// Display information
Console.WriteLine(lastUser.ToString(), lastDisplayName.ToString());
// Write out results
File.AppendAllText(nekoFolder + "\\User Locations.txt", "Last user: "******"Display Name: " + lastDisplayName.ToString() + Environment.NewLine
+ "Computer Name: " + computerName + Environment.NewLine);
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
}
}
}
// Method for remote registry tampering
public static void RegModification(string nekoFolder, string domainURL, string Username, string Password)
{
// Confirm that user has appropriate creds and is able to query registry remotely.
Console.WriteLine("This process typically requires domain admin privileges and remote registry enabled. Conintue? Enter 'y' or 'n':");
string userDecision = Console.ReadLine();
while (userDecision != "y" && userDecision != "")
{
Console.WriteLine("Invalid Selection.\r\nThis process typically requires domain admin privileges and remote registry enabled. Conintue? Enter 'y' or 'n':");
}
if (userDecision == "y")
{
// Need to turn this into list from previous results
Console.WriteLine("Enter '1' to use results from LDAP recon or '2' to specify target computer name:");
userDecision = Console.ReadLine();
while (userDecision != "1" && userDecision != "2")
{
Console.WriteLine("Invalid selection.\r\nEnter '1' to use results from LDAP recon or '2' to specify target computer name:");
userDecision = Console.ReadLine();
}
if (userDecision == "2")
{
// Declare computer name
string computerName = "";
//Get computer name
Console.WriteLine("Specify target computer name:");
computerName = Console.ReadLine();
// Get Hive name
Console.WriteLine("Specify hive:" +
"\r\n\r\n1: Local Machine" +
"\r\n\r\n2: Current User" +
"\r\n\r\n3: Users" +
"\r\n\r\n4: Classes Root");
string userChoice = Console.ReadLine();
// Loop to confirm correct input
while (userChoice != "1" && userChoice != "2" && userChoice != "3" && userChoice != "4")
{
Console.WriteLine("Invalid selection" +
"\r\n\r\nSpecify hive:" +
"\r\n\r\n1: LocalMachine" +
"\r\n\r\n2: CurrentUser" +
"\r\n\r\n3: Users" +
"\r\n\r\n4: ClassesRoot");
}
// Declare registryhive
RegistryHive registryHive = RegistryHive.LocalMachine;
if (userChoice == "1")
{
// Do nothing since it was set to default of LocalMachine
}
// Set as CurrentUser hive
else if (userChoice == "2")
{
registryHive = RegistryHive.CurrentUser;
}
// Set as Users hive
else if (userChoice == "3")
{
registryHive = RegistryHive.Users;
}
// Set as ClassesRoot hive
else if (userChoice == "4")
{
registryHive = RegistryHive.ClassesRoot;
}
// Specify reg name
Console.WriteLine("Specify registry Name, e.g. 'DisableAntiSpyware':");
string name = Console.ReadLine();
// Get key choice
Console.WriteLine(@"Specify registry key, e.g. 'SOFTWARE\Microsoft\Windows\CurrentVersion\Authenication\LogonUI':");
string regKey = @Console.ReadLine();
// Choose new value
Console.WriteLine("Specify new registry value, e.g. '0':");
string newValue = Console.ReadLine();
// Open remote key
try
{
// Open key
RegistryKey registryKey = RegistryKey.OpenRemoteBaseKey(registryHive, computerName, RegistryView.Registry64);
// open subkey
var key = registryKey.OpenSubKey(regKey);
if (key == null)
{
}
// Create objects for values
key.SetValue(name, newValue);
// Check that value was modified
object regValue = key.GetValue(name);
// Display information
Console.WriteLine(regValue.ToString());
// Write out results
File.AppendAllText(nekoFolder + "\\Registry modifications.txt", name + regValue.ToString() + Environment.NewLine + Environment.NewLine
+ "Computer Name: " + computerName + Environment.NewLine);
}
catch (UnauthorizedAccessException)
{
Console.WriteLine("Access Denied. Insuficient privileges.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
else
{
// ComputerName from list
// Access list class from LDAP recon, need to make this so user can specify their own list if they want.
Console.WriteLine("Have you run LDAP recon to generate machine name list? Enter 'y' or 'n'");
string userChoice = Console.ReadLine();
while (userChoice != "y" && userChoice != "n")
{
Console.WriteLine("Invalid selection. Have you run LDAP computer recon to generate machine name list? Enter 'y' or 'n'");
}
// Run ldap comnputer recon
if (userChoice == "n")
{
try
{
var computerList = Neko.ADComputer.GetADComputers(domainURL, Username, Password);
Console.WriteLine("\r\nFound computers:");
// Get unique file to prevent overwriting
string writePath = UniqueFileCheck.UniqueFile(nekoFolder + "\\LDAP Computer Recon.txt");
// Start stream writer for writing results
using (var writer = new StreamWriter(writePath, append: true))
{
foreach (var computer in computerList)
{
Console.WriteLine(computer.ComputerInfo);
Console.WriteLine(computer.LastLogon);
Console.WriteLine(computer.ComputerType);
// Write out results
writer.WriteLine(Environment.NewLine + "Computer Name: " + computer.ComputerInfo + Environment.NewLine + "Last Logon: " + computer.LastLogon
+ Environment.NewLine + "Computer type " + computer.ComputerType);
writer.Flush();
}
}
}
catch (UnauthorizedAccessException)
{
Console.WriteLine("Access Denied. Insuficient privileges.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
// Run remote registry recon for all machines in list.
else
{
var computerList = ADComputer.GetADComputers(domainURL, Username, Password);
foreach (var computerName in computerList)
{
//Get Hive name
Console.WriteLine("Specify hive:" +
"\r\n\r\n1: Local Machine" +
"\r\n\r\n2: Current User" +
"\r\n\r\n3: Users" +
"\r\n\r\n4: Classes Root");
userChoice = Console.ReadLine();
// Loop to confirm correct input
while (userChoice != "1" && userChoice != "2" && userChoice != "3" && userChoice != "4")
{
Console.WriteLine("Invalid selection" +
"\r\n\r\nSpecify hive:" +
"\r\n\r\n1: LocalMachine" +
"\r\n\r\n2: CurrentUser" +
"\r\n\r\n3: Users" +
"\r\n\r\n4: ClassesRoot");
}
// Declare registryhive
RegistryHive registryHive = RegistryHive.LocalMachine;
if (userChoice == "1")
{
// Do nothing since it was set to default of LocalMachine
}
// Set as CurrentUser hive
else if (userChoice == "2")
{
registryHive = RegistryHive.CurrentUser;
}
// Set as Users hive
else if (userChoice == "3")
{
registryHive = RegistryHive.Users;
}
//Set as ClassesRoot hive
else if (userChoice == "4")
{
registryHive = RegistryHive.ClassesRoot;
}
// Specify reg name
Console.WriteLine("Specify registry Name, e.g. 'DisableAntiSpyware':");
string name = Console.ReadLine();
// Get key choice
Console.WriteLine(@"Specify registry key, e.g. 'SOFTWARE\Microsoft\Windows\CurrentVersion\Authenication\LogonUI':");
string regKey = @Console.ReadLine();
// Choose new value
Console.WriteLine("Specify new registry value, e.g. '0':");
string newValue = Console.ReadLine();
// Open remote key
try
{
//Open key
RegistryKey registryKey = RegistryKey.OpenRemoteBaseKey(registryHive, computerName.ComputerInfo, RegistryView.Registry64);
//open subkey
var key = registryKey.OpenSubKey(regKey);
if (key == null)
{
}
//Create objects for values
key.SetValue(name, newValue);
//Check that value was modified
object regValue = key.GetValue(name);
//Display information
Console.WriteLine(regValue.ToString());
//Write out results
File.AppendAllText(nekoFolder + "\\Registry modifications.txt", name + regValue.ToString() + Environment.NewLine + Environment.NewLine
+ "Computer Name: " + computerName + Environment.NewLine);
}
catch (UnauthorizedAccessException)
{
Console.WriteLine("Access Denied. Insuficient privileges.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
}
}
}
