Ejemplo n.º 1
0
        public FileSystemMonitor(MonitorCommandOptions opts, Action <FileMonitorObject> changeHandler)
        {
            options            = opts ?? new MonitorCommandOptions();
            this.changeHandler = changeHandler ?? throw new NullReferenceException(nameof(changeHandler));

            fsc = new FileSystemCollector(new CollectorOptions()
            {
                DownloadCloud = false,
                GatherHashes  = options.GatherHashes,
            });

            foreach (var dir in options?.MonitoredDirectories.Any() is true ? options.MonitoredDirectories : fsc.Roots.ToList())
            {
                foreach (var filter in defaultFiltersList)
                {
                    var watcher = new FileSystemWatcher();

                    watcher.Path = dir;

                    watcher.NotifyFilter = filter;

                    watcher.IncludeSubdirectories = true;

                    // Changed, Created and Deleted can share a handler, because they throw the same type of event
                    watcher.Changed += GetFunctionForFilterType(filter);
                    watcher.Created += GetFunctionForFilterType(filter);
                    watcher.Deleted += GetFunctionForFilterType(filter);

                    // Renamed needs a different handler because it throws a different kind of event
                    watcher.Renamed += GetRenamedFunctionForFilterType(filter);

                    watchers.Add(watcher);
                }
            }
        }
        /// <summary>
        ///     Uses ServiceController.
        /// </summary>
        internal void ExecuteWindows(CancellationToken cancellationToken)
        {
            try
            {
                SelectQuery sQuery = new SelectQuery("select * from Win32_Service"); // where name = '{0}'", "MCShield.exe"));
                using ManagementObjectSearcher mgmtSearcher = new ManagementObjectSearcher(sQuery);

                if (opts.SingleThread)
                {
                    foreach (ManagementObject service in mgmtSearcher.Get())
                    {
                        if (cancellationToken.IsCancellationRequested)
                        {
                            return;
                        }

                        ProcessManagementObject(service);
                    }
                }
                else
                {
                    var list = new List <ManagementObject>();

                    foreach (ManagementObject service in mgmtSearcher.Get())
                    {
                        list.Add(service);
                    }
                    ParallelOptions po = new ParallelOptions()
                    {
                        CancellationToken = cancellationToken
                    };
                    Parallel.ForEach(list, po, x => ProcessManagementObject(x));
                }
            }
            catch (Exception e)
            {
                Log.Warning(e, "Failed to run Service Collector.");
            }

            var fsc = new FileSystemCollector(new CollectorOptions()
            {
                SingleThread = opts.SingleThread
            });

            foreach (var file in Directory.EnumerateFiles("C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Startup"))
            {
                var name = file.Split(Path.DirectorySeparatorChar)[^ 1];
Ejemplo n.º 3
0
        /// <summary>
        ///     Parse all the Subkeys of the given SearchKey into ComObjects and returns a list of them
        /// </summary>
        /// <param name="SearchKey"> The Registry Key to search </param>
        /// <param name="View"> The View of the registry to use </param>
        public static IEnumerable <CollectObject> ParseComObjects(RegistryKey SearchKey, RegistryView View, bool SingleThreaded = false)
        {
            if (SearchKey == null)
            {
                return(new List <CollectObject>());
            }
            List <ComObject> comObjects = new List <ComObject>();
            var fsc = new FileSystemCollector(new CollectorOptions()
            {
                SingleThread = SingleThreaded
            });
            Action <string> ParseComObjectsIn = SubKeyName =>
            {
                try
                {
                    RegistryKey CurrentKey = SearchKey.OpenSubKey(SubKeyName);

                    var RegObj = RegistryWalker.RegistryKeyToRegistryObject(CurrentKey, View);

                    if (RegObj != null)
                    {
                        ComObject comObject = new ComObject(RegObj);

                        foreach (string ComDetails in CurrentKey.GetSubKeyNames())
                        {
                            if (ComDetails.Contains("InprocServer32"))
                            {
                                var    ComKey       = CurrentKey.OpenSubKey(ComDetails);
                                var    obj          = RegistryWalker.RegistryKeyToRegistryObject(ComKey, View);
                                string?BinaryPath32 = null;

                                if (obj != null && obj.Values?.TryGetValue("", out BinaryPath32) is bool successful)
                                {
                                    if (successful && BinaryPath32 != null)
                                    {
                                        // Clean up cases where some extra spaces are thrown into the start
                                        // (breaks our permission checker)
                                        BinaryPath32 = BinaryPath32.Trim();
                                        // Clean up cases where the binary is quoted (also breaks permission checker)
                                        if (BinaryPath32.StartsWith("\"") && BinaryPath32.EndsWith("\""))
                                        {
                                            BinaryPath32 = BinaryPath32.AsSpan().Slice(1, BinaryPath32.Length - 2).ToString();
                                        }
                                        // Unqualified binary name probably comes from Windows\System32
                                        if (!BinaryPath32.Contains("\\") && !BinaryPath32.Contains("%"))
                                        {
                                            BinaryPath32 = Path.Combine(Environment.SystemDirectory, BinaryPath32.Trim());
                                        }

                                        comObject.x86_Binary = fsc.FilePathToFileSystemObject(BinaryPath32.Trim());
                                    }
                                }
                            }
                            if (ComDetails.Contains("InprocServer64"))
                            {
                                var    ComKey       = CurrentKey.OpenSubKey(ComDetails);
                                var    obj          = RegistryWalker.RegistryKeyToRegistryObject(ComKey, View);
                                string?BinaryPath64 = null;

                                if (obj != null && obj.Values?.TryGetValue("", out BinaryPath64) is bool successful)
                                {
                                    if (successful && BinaryPath64 != null)
                                    {
                                        // Clean up cases where some extra spaces are thrown into the start
                                        // (breaks our permission checker)
                                        BinaryPath64 = BinaryPath64.Trim();
                                        // Clean up cases where the binary is quoted (also breaks permission checker)
                                        if (BinaryPath64.StartsWith("\"") && BinaryPath64.EndsWith("\""))
                                        {
                                            BinaryPath64 = BinaryPath64.AsSpan().Slice(1, BinaryPath64.Length - 2).ToString();
                                        }
                                        // Unqualified binary name probably comes from Windows\System32
                                        if (!BinaryPath64.Contains("\\") && !BinaryPath64.Contains("%"))
                                        {
                                            BinaryPath64 = Path.Combine(Environment.SystemDirectory, BinaryPath64.Trim());
                                        }

                                        comObject.x64_Binary = fsc.FilePathToFileSystemObject(BinaryPath64.Trim());
                                    }
                                }
                            }
                        }

                        comObjects.Add(comObject);
                    }
                }
                catch (Exception e) when(
                    e is System.Security.SecurityException ||
                    e is ObjectDisposedException ||
                    e is UnauthorizedAccessException ||
                    e is IOException)
                {
                    Log.Debug($"Couldn't parse {SubKeyName}");
                }
            };

            try
            {
                if (SingleThreaded)
                {
                    foreach (var subKey in SearchKey.GetSubKeyNames())
                    {
                        ParseComObjectsIn(subKey);
                    }
                }
                else
                {
                    SearchKey.GetSubKeyNames().AsParallel().ForAll(subKey => ParseComObjectsIn(subKey));
                }
            }
            catch (Exception e)
            {
                Log.Debug("Failing parsing com objects {0} {1}", SearchKey.Name, e.GetType());
            }

            return(comObjects);
        }