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modSystem.cs
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.Eventing.Reader;
using System.IO;
using System.Text.Json;
using Microsoft.VisualBasic.Devices;
using Microsoft.Win32;
namespace XRFAgent
{
internal class modSystem
{
/// <summary>
/// Loading the system module is NOT NEEDED
/// </summary>
public static void Load() { }
/// <summary>
/// Unloading the system module is NOT NEEDED
/// </summary>
public static void Unload() { }
public static void AttachEventWatcher()
{
EventLogQuery logQuery = new EventLogQuery("System", PathType.LogName, "*[System[Provider[@Name='disk'] and (EventID=7 or EventID=11 or EventID=25 or EventID=26 or EventID=51 or EventID=55)]]");
EventLogWatcher logWatcher = new EventLogWatcher(logQuery);
logWatcher.EventRecordWritten += new EventHandler<EventRecordWrittenEventArgs>(EventWritten);
logWatcher.Enabled = true;
}
private static void EventWritten(Object obj, EventRecordWrittenEventArgs arg)
{
modLogging.LogEvent("Detected disk issue", EventLogEntryType.Error, 6061);
modSync.SendSingleConfig("Alert_DiskFailure", "reported");
}
/// <summary>
/// Collects the list of installed applications, updates the local table, and sends to the server.
/// </summary>
/// <returns>Result of new applications detected</returns>
public static string GetInstalledSoftware()
{
try
{
List<RegistryKey> UninstallKeys = new List<RegistryKey>() { Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"), Registry.LocalMachine.OpenSubKey(@"SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall") };
RegistryKey SoftwareKey;
string SoftwareKeyName;
string NewSoftware = ""; string NewSoftwareJSON = "{\"newsoftware\":[";
int count = 0;
int result = 0;
modDatabase.InstalledSoftware SoftwareObj;
foreach (RegistryKey UninstallKey in UninstallKeys)
{
foreach (string ProgramKey in UninstallKey.GetSubKeyNames())
{
SoftwareKey = UninstallKey.OpenSubKey(ProgramKey);
if (SoftwareKey != null)
{
SoftwareKeyName = SoftwareKey.GetValue("DisplayName")?.ToString() ?? "";
if (SoftwareKeyName != "")
{
SoftwareObj = new modDatabase.InstalledSoftware { Name = SoftwareKeyName, Version = SoftwareKey.GetValue("DisplayVersion")?.ToString() ?? "", Publisher = SoftwareKey.GetValue("Publisher")?.ToString() ?? "", InstallDate = SoftwareKey.GetValue("InstallDate")?.ToString() ?? "" };
result = modDatabase.UpdateSoftware(SoftwareObj);
if (result == 0)
{
NewSoftware = NewSoftware + SoftwareKeyName + ", ";
NewSoftwareJSON = NewSoftwareJSON + JsonSerializer.Serialize(SoftwareObj) + ",";
result = modDatabase.AddSoftware(SoftwareObj);
}
count++;
}
}
}
}
if (NewSoftware != "")
{
NewSoftware = NewSoftware.Substring(0, NewSoftware.Length - 2);
NewSoftwareJSON = NewSoftwareJSON.Substring(0, NewSoftwareJSON.Length - 1) + "]}";
modLogging.LogEvent("Detected new software installed: " + NewSoftware, EventLogEntryType.Information, 6051);
modSync.SendMessage("server", "nodedata", "newsoftware", NewSoftwareJSON);
}
return "Installed Applications: " + count.ToString();
}
catch (Exception err)
{
modLogging.LogEvent("Unable to get registry information: " + err.Message + "\n\n" + err.StackTrace, EventLogEntryType.Error, 6032);
return "Registry error";
}
}
/// <summary>
/// Drops the installed software inventory, then gathers an updated version.
/// </summary>
/// <returns>Result of new applications detected</returns>
public static string ResetInstalledSoftware()
{
modLogging.LogEvent("Reset installed software inventory.", EventLogEntryType.Information, 6052);
modDatabase.TruncateSoftware();
return GetInstalledSoftware();
}
/// <summary>
/// Collects some general system information
/// </summary>
/// <returns>(string) Result</returns>
public static string GetSystemDetails()
{
try
{
string SystemDetailsJSON = "{\"systemdetails\":[";
modDatabase.Config ConfigObj;
ConfigObj = new modDatabase.Config { Key = "System_Hostname", Value = Environment.MachineName };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
RegistryKey currentVersion = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\MICROSOFT\Windows NT\CurrentVersion");
ConfigObj = new modDatabase.Config { Key = "System_LastKnownWindowsVersion", Value = currentVersion.GetValue("CurrentMajorVersionNumber").ToString() + "." + currentVersion.GetValue("CurrentMinorVersionNumber").ToString() + "." + currentVersion.GetValue("CurrentBuild").ToString() + "." + currentVersion.GetValue("UBR").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ConfigObj = new modDatabase.Config { Key = "System_OSProductName", Value = currentVersion.GetValue("ProductName").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
RegistryKey systemHardware = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\BIOS");
ConfigObj = new modDatabase.Config { Key = "System_BaseBoardManufacturer", Value = systemHardware.GetValue("BaseBoardManufacturer").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ConfigObj = new modDatabase.Config { Key = "System_BaseBoardProduct", Value = systemHardware.GetValue("BaseBoardProduct").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ConfigObj = new modDatabase.Config { Key = "System_SystemManufacturer", Value = systemHardware.GetValue("SystemManufacturer").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ConfigObj = new modDatabase.Config { Key = "System_SystemProductName", Value = systemHardware.GetValue("SystemProductName").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
RegistryKey systemCPU = Registry.LocalMachine.OpenSubKey(@"HARDWARE\DESCRIPTION\System\CentralProcessor\0");
ConfigObj = new modDatabase.Config { Key = "System_ProcessorName", Value = systemCPU.GetValue("ProcessorNameString").ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ComputerInfo VBCI = new ComputerInfo();
ConfigObj = new modDatabase.Config { Key = "System_TotalPhysicalMemory", Value = VBCI.TotalPhysicalMemory.ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
DriveInfo[] allDrives = DriveInfo.GetDrives();
string dLetter;
foreach (DriveInfo d in allDrives)
{
dLetter = d.Name.Substring(0, 1);
ConfigObj = new modDatabase.Config { Key = "System_Drive_" + dLetter + "_Type", Value = d.DriveType.ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
if (d.IsReady == true && d.DriveType == DriveType.Fixed)
{
ConfigObj = new modDatabase.Config { Key = "System_Drive_" + dLetter + "_Label", Value = d.VolumeLabel };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ConfigObj = new modDatabase.Config { Key = "System_Drive_" + dLetter + "_TotalSize", Value = d.TotalSize.ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
ConfigObj = new modDatabase.Config { Key = "System_Drive_" + dLetter + "_TotalFreeSpace", Value = d.TotalFreeSpace.ToString() };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
}
}
if (File.Exists(@"C:\HAC\HAController.exe"))
{
ConfigObj = new modDatabase.Config { Key = "HAController_Version", Value = FileVersionInfo.GetVersionInfo(@"C:\HAC\HAController.exe").FileVersion };
modDatabase.AddOrUpdateConfig(ConfigObj);
SystemDetailsJSON = SystemDetailsJSON + JsonSerializer.Serialize(ConfigObj) + ",";
}
SystemDetailsJSON = SystemDetailsJSON.Substring(0, SystemDetailsJSON.Length - 1) + "]}";
modSync.SendMessage("server", "nodedata", "systemdetails", SystemDetailsJSON);
return "System details updated";
}
catch (Exception err)
{
modLogging.LogEvent("Unable to get registry information: " + err.Message + "\n\n" + err.StackTrace, EventLogEntryType.Error, 6032);
return "Registry error";
}
}
public static int InstallWindowsUpdates()
{
try
{
if (File.Exists(Properties.Settings.Default.Tools_FolderURI + "WindowsUpdatePush.exe") == false)
{
int installResult = modUpdate.InstallWindowsUpdatePush();
if (installResult == -1)
{
return -1;
}
}
Process UpdateRunner = new Process();
UpdateRunner.StartInfo.UseShellExecute = false;
UpdateRunner.StartInfo.RedirectStandardOutput = true;
UpdateRunner.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
UpdateRunner.StartInfo.FileName = Properties.Settings.Default.Tools_FolderURI + "WindowsUpdatePush.exe";
UpdateRunner.Start();
UpdateRunner.WaitForExit();
modLogging.LogEvent(UpdateRunner.StandardOutput.ReadToEnd(), EventLogEntryType.Information, 6042);
return UpdateRunner.ExitCode;
}
catch(Exception err)
{
modLogging.LogEvent("Windows Update error: " + err.Message, EventLogEntryType.Error, 6041);
return -1;
}
}
/// <summary>
/// Reboots the host computer
/// </summary>
/// <returns>(string) Response</returns>
public static string RebootHost()
{
try
{
Process.Start("shutdown", "-r");
return "Reboot started";
}
catch(Exception err)
{
modLogging.LogEvent("Unable to initiate reboot: " + err.Message, EventLogEntryType.Error, 6031);
return "Reboot error";
}
}
/// <summary>
/// Shuts down the host computer
/// </summary>
/// <returns>(string) Response</returns>
public static string ShutdownHost()
{
try
{
Process.Start("shutdown", "-s");
return "Shutdown started";
}
catch(Exception err)
{
modLogging.LogEvent("Unable to initiate shutdown: " + err.Message, EventLogEntryType.Error, 6031);
return "Shutdown failed";
}
}
/// <summary>
/// Configures the system Run dialog, which is frequently used by phone scammers
/// </summary>
/// <param name="action">(string) "enable" or "disable"</param>
/// <returns>(string) Response</returns>
public static string ConfigureRunDialog(string action)
{
int newvalue = 0;
if (action == "disable") { newvalue = 1; }
RegistryKey explorerPolicies = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer", true);
explorerPolicies.SetValue("NoRun", newvalue, RegistryValueKind.DWord);
explorerPolicies.Close();
modSync.SendSingleConfig("Security_RunDialog", action + "d");
return "Run dialog " + action + "d";
}
/// <summary>
/// Disables installing or using any browser extensions on Chrome, Edge, and Firefox
/// but permits uBlock Origin, Privacy Badger, and Facebook Container on Firefox
/// </summary>
/// <returns></returns>
public static string DisableWebExtensions()
{
RegistryKey chromeExtensions = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Google\Chrome\ExtensionInstallBlocklist", true);
chromeExtensions.SetValue("1", "*", RegistryValueKind.String);
RegistryKey edgeExtensions = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Microsoft\Edge\ExtensionInstallBlocklist", true);
edgeExtensions.SetValue("1", "*", RegistryValueKind.String);
RegistryKey firefoxExtensions = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Mozilla\Firefox", true);
string[] firefoxExtensionPolicy = {"{", " \"*\":{", " \"blocked_install_message\": \"Unapproved extensions are not permitted.\",", " \"install_sources\": [\"about:addons\",\"https://addons.mozilla.org/\"],", " \"installation_mode\": \"blocked\",", " \"allowed_types\": [\"extension\"]", " },", " \"[email protected]\":{", " \"installation_mode\": \"allowed\"", " },", " \"jid1-MnnxcxisBPnSXQ@jetpack\":{", " \"installation_mode\": \"allowed\"", " },", " \"@contain-facebook\":{", " \"installation_mode\": \"allowed\"", " }", "}" };
firefoxExtensions.SetValue("ExtensionSettings", firefoxExtensionPolicy, RegistryValueKind.MultiString);
modSync.SendSingleConfig("Security_WebExtensions", "disabled");
return "Browser extensions disabled";
}
/// <summary>
/// Disables the browser Notifications API on Chrome, Edge, and Firefox
/// </summary>
/// <returns>(string) Response</returns>
public static string DisableWebNotifications()
{
RegistryKey chromePolicies = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Google\Chrome", true);
chromePolicies.SetValue("DefaultNotificationsSetting", 2, RegistryValueKind.DWord);
RegistryKey edgePolicies = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Microsoft\Edge", true);
edgePolicies.SetValue("DefaultNotificationsSetting", 2, RegistryValueKind.DWord);
RegistryKey firefoxPolicies = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Mozilla\Firefox\Permissions\Notifications", true);
firefoxPolicies.SetValue("BlockNewRequests", 1, RegistryValueKind.DWord);
modSync.SendSingleConfig("Security_WebNotifications", "disabled");
return "Browser notifications disabled";
}
}
}