public void StartStealthEnumeration()
        {
            var output = new BlockingCollection <Wrapper <OutputBase> >();
            var writer = _options.Uri == null
                ? StartOutputWriter(output)
                : StartRestWriter(output);

            foreach (var domainName in _utils.GetDomainList())
            {
                Console.WriteLine($"Starting stealth enumeration for {domainName}\n");
                var domainSid = _utils.GetDomainSid(domainName);
                var data      = LdapFilter.GetLdapFilter(_options.CollectMethod, _options.ExcludeDC, true);
                switch (_options.CollectMethod)
                {
                case CollectionMethod.ObjectProps:
                    Console.WriteLine("Doing stealth enumeration for object properties");
                    foreach (var entry in _utils.DoSearch(data.Filter, SearchScope.Subtree, data.Properties, domainName))
                    {
                        var        resolved = entry.ResolveAdEntry();
                        OutputBase props;
                        if (resolved.ObjectType.Equals("computer"))
                        {
                            props = ObjectPropertyHelpers.GetComputerProps(entry, resolved);
                        }
                        else
                        {
                            props = ObjectPropertyHelpers.GetUserProps(entry, resolved);
                        }
                        if (props != null)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = props
                            });
                        }
                    }
                    break;

                case CollectionMethod.Session:
                    Console.WriteLine("Doing stealth enumeration for sessions");
                    foreach (var path in SessionHelpers.CollectStealthTargets(domainName))
                    {
                        var sessions = SessionHelpers.GetNetSessions(path, domainName);
                        foreach (var s in sessions)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = s
                            });
                        }
                    }
                    break;

                case CollectionMethod.ComputerOnly:
                    Console.WriteLine("Doing stealth enumeration for sessions");
                    foreach (var path in SessionHelpers.CollectStealthTargets(domainName))
                    {
                        var sessions = SessionHelpers.GetNetSessions(path, domainName);
                        foreach (var s in sessions)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = s
                            });
                        }
                    }

                    Console.WriteLine("Doing stealth enumeration for admins");
                    foreach (var entry in _utils.DoSearch(
                                 data.Filter, SearchScope.Subtree,
                                 data.Properties, domainName))
                    {
                        foreach (var admin in LocalAdminHelpers.GetGpoAdmins(entry, domainName))
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = admin
                            });
                        }
                    }
                    break;

                case CollectionMethod.Default:
                    Console.WriteLine("Doing stealth enumeration for sessions");
                    foreach (var path in SessionHelpers.CollectStealthTargets(domainName))
                    {
                        var sessions = SessionHelpers.GetNetSessions(path, domainName);
                        foreach (var s in sessions)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = s
                            });
                        }
                    }

                    Console.WriteLine("Doing stealth enumeration for admins");
                    foreach (var entry in _utils.DoSearch(
                                 "(&(objectCategory=groupPolicyContainer)(name=*)(gpcfilesyspath=*))", SearchScope.Subtree,
                                 new[] { "displayname", "name", "gpcfilesyspath" }, domainName))
                    {
                        foreach (var admin in LocalAdminHelpers.GetGpoAdmins(entry, domainName))
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = admin
                            });
                        }
                    }

                    Console.WriteLine("Doing stealth enumeration for groups");
                    foreach (var entry in _utils.DoSearch("(|(memberof=*)(primarygroupid=*))",
                                                          SearchScope.Subtree,
                                                          new[]
                    {
                        "samaccountname", "distinguishedname", "dnshostname", "samaccounttype",
                        "primarygroupid", "memberof", "serviceprincipalname"
                    }, domainName))
                    {
                        var resolvedEntry = entry.ResolveAdEntry();
                        foreach (var group in GroupHelpers.ProcessAdObject(entry, resolvedEntry, domainSid))
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = group
                            });
                        }
                    }
                    break;

                case CollectionMethod.SessionLoop:
                    Console.WriteLine("Doing stealth enumeration for sessions");
                    foreach (var path in SessionHelpers.CollectStealthTargets(domainName))
                    {
                        var sessions = SessionHelpers.GetNetSessions(path, domainName);
                        foreach (var s in sessions)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = s
                            });
                        }
                    }
                    break;

                case CollectionMethod.LoggedOn:
                    Console.WriteLine("Doing LoggedOn enumeration for stealth targets");
                    foreach (var path in SessionHelpers.CollectStealthTargets(domainName))
                    {
                        var sessions = SessionHelpers.GetNetLoggedOn(path, domainName);
                        foreach (var s in sessions)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = s
                            });
                        }
                        sessions = SessionHelpers.GetRegistryLoggedOn(path);
                        foreach (var s in sessions)
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = s
                            });
                        }
                    }
                    break;

                case CollectionMethod.Group:
                    Console.WriteLine("Doing stealth enumeration for groups");
                    foreach (var entry in _utils.DoSearch(data.Filter,
                                                          SearchScope.Subtree,
                                                          data.Properties, domainName))
                    {
                        var resolvedEntry = entry.ResolveAdEntry();
                        foreach (var group in GroupHelpers.ProcessAdObject(entry, resolvedEntry, domainSid))
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = group
                            });
                        }
                    }
                    break;

                case CollectionMethod.LocalGroup:
                    //This case will never happen
                    break;

                case CollectionMethod.GPOLocalGroup:
                    Console.WriteLine("Doing stealth enumeration for admins");
                    foreach (var entry in _utils.DoSearch(
                                 data.Filter, SearchScope.Subtree,
                                 data.Properties, domainName))
                    {
                        foreach (var admin in LocalAdminHelpers.GetGpoAdmins(entry, domainName))
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = admin
                            });
                        }
                    }
                    break;

                case CollectionMethod.Trusts:
                    var trusts = DomainTrustEnumeration.DoTrustEnumeration(domainName);
                    foreach (var trust in trusts)
                    {
                        output.Add(new Wrapper <OutputBase> {
                            Item = trust
                        });
                    }
                    break;

                case CollectionMethod.ACL:
                    Console.WriteLine("Doing stealth enumeration for ACLs");
                    foreach (var entry in _utils.DoSearch(
                                 data.Filter,
                                 SearchScope.Subtree,
                                 data.Properties, domainName))
                    {
                        foreach (var acl in AclHelpers.ProcessAdObject(entry, domainName))
                        {
                            output.Add(new Wrapper <OutputBase> {
                                Item = acl
                            });
                        }
                    }
                    break;

                default:
                    throw new ArgumentOutOfRangeException();
                }
                output.CompleteAdding();
                writer.Wait();
                Console.WriteLine($"Finished stealth enumeration for {domainName}");
            }
            if (!_options.CollectMethod.Equals(CollectionMethod.SessionLoop))
            {
                return;
            }
            if (_options.MaxLoopTime != null)
            {
                if (DateTime.Now > _options.LoopEnd)
                {
                    Console.WriteLine("Exiting session loop as LoopEndTime as passed");
                    return;
                }
            }

            Console.WriteLine($"Starting next session run in {_options.LoopTime} minutes");
            new ManualResetEvent(false).WaitOne(_options.LoopTime * 60 * 1000);
            if (_options.MaxLoopTime != null)
            {
                if (DateTime.Now > _options.LoopEnd)
                {
                    Console.WriteLine("Exiting session loop as LoopEndTime as passed");
                    return;
                }
            }
            Console.WriteLine("Starting next enumeration loop");
            StartStealthEnumeration();
        }
        private Task StartRunner(BlockingCollection <Wrapper <SearchResultEntry> > processQueue, BlockingCollection <Wrapper <OutputBase> > writeQueue)
        {
            return(Task.Factory.StartNew(() =>
            {
                foreach (var wrapper in processQueue.GetConsumingEnumerable())
                {
                    var entry = wrapper.Item;

                    var resolved = entry.ResolveAdEntry();

                    if (resolved == null)
                    {
                        Interlocked.Increment(ref _currentCount);
                        wrapper.Item = null;
                        continue;
                    }

                    switch (_options.CollectMethod)
                    {
                    case CollectionMethod.ObjectProps:
                        {
                            OutputBase props;
                            if (resolved.ObjectType.Equals("computer"))
                            {
                                props = ObjectPropertyHelpers.GetComputerProps(entry, resolved);
                            }
                            else
                            {
                                props = ObjectPropertyHelpers.GetUserProps(entry, resolved);
                            }

                            if (props != null)
                            {
                                writeQueue.Add(new Wrapper <OutputBase> {
                                    Item = props
                                });
                            }
                        }
                        break;

                    case CollectionMethod.Group:
                        {
                            var groups = GroupHelpers.ProcessAdObject(entry, resolved, _currentDomainSid);
                            foreach (var g in groups)
                            {
                                writeQueue.Add(new Wrapper <OutputBase> {
                                    Item = g
                                });
                            }
                        }
                        break;

                    case CollectionMethod.ComputerOnly:
                        {
                            if (!_utils.PingHost(resolved.BloodHoundDisplay))
                            {
                                Interlocked.Increment(ref _noPing);
                                break;
                            }

                            try
                            {
                                var admins = LocalAdminHelpers.GetSamAdmins(resolved);

                                foreach (var admin in admins)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = admin
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }

                            if (_options.ExcludeDC && entry.DistinguishedName.Contains("OU=Domain Controllers"))
                            {
                                break;
                            }

                            try
                            {
                                var sessions = SessionHelpers.GetNetSessions(resolved, _currentDomain);

                                foreach (var session in sessions)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = session
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }
                        }
                        break;

                    case CollectionMethod.LocalGroup:
                        {
                            if (!_utils.PingHost(resolved.BloodHoundDisplay))
                            {
                                Interlocked.Increment(ref _noPing);
                                break;
                            }

                            try
                            {
                                var admins = LocalAdminHelpers.GetSamAdmins(resolved);

                                foreach (var admin in admins)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = admin
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }
                        }
                        break;

                    case CollectionMethod.GPOLocalGroup:
                        foreach (var admin in LocalAdminHelpers.GetGpoAdmins(entry, _currentDomain))
                        {
                            writeQueue.Add(new Wrapper <OutputBase> {
                                Item = admin
                            });
                        }
                        break;

                    case CollectionMethod.Session:
                        {
                            if (!_utils.PingHost(resolved.BloodHoundDisplay))
                            {
                                Interlocked.Increment(ref _noPing);
                                break;
                            }

                            if (_options.ExcludeDC && entry.DistinguishedName.Contains("OU=Domain Controllers"))
                            {
                                break;
                            }

                            try
                            {
                                var sessions = SessionHelpers.GetNetSessions(resolved, _currentDomain);

                                foreach (var session in sessions)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = session
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }
                        }
                        break;

                    case CollectionMethod.LoggedOn:
                        {
                            if (!_utils.PingHost(resolved.BloodHoundDisplay))
                            {
                                Interlocked.Increment(ref _noPing);
                                break;
                            }
                            var sessions =
                                SessionHelpers.GetNetLoggedOn(resolved,
                                                              _currentDomain);

                            foreach (var s in sessions)
                            {
                                writeQueue.Add(new Wrapper <OutputBase> {
                                    Item = s
                                });
                            }
                            sessions = SessionHelpers.GetRegistryLoggedOn(resolved);
                            foreach (var s in sessions)
                            {
                                writeQueue.Add(new Wrapper <OutputBase> {
                                    Item = s
                                });
                            }
                        }
                        break;

                    case CollectionMethod.Trusts:
                        break;

                    case CollectionMethod.ACL:
                        {
                            var acls = AclHelpers.ProcessAdObject(entry, _currentDomain);
                            foreach (var a in acls)
                            {
                                writeQueue.Add(new Wrapper <OutputBase> {
                                    Item = a
                                });
                            }
                        }
                        break;

                    case CollectionMethod.SessionLoop:
                        {
                            if (!_utils.PingHost(resolved.BloodHoundDisplay))
                            {
                                Interlocked.Increment(ref _noPing);
                                break;
                            }

                            if (_options.ExcludeDC && entry.DistinguishedName.Contains("OU=Domain Controllers"))
                            {
                                break;
                            }

                            try
                            {
                                var sessions = SessionHelpers.GetNetSessions(resolved, _currentDomain);

                                foreach (var session in sessions)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = session
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }
                        }
                        break;

                    case CollectionMethod.Default:
                        {
                            var groups = GroupHelpers.ProcessAdObject(entry, resolved, _currentDomainSid);
                            foreach (var g in groups)
                            {
                                writeQueue.Add(new Wrapper <OutputBase> {
                                    Item = g
                                });
                            }

                            if (!resolved.ObjectType.Equals("computer"))
                            {
                                break;
                            }

                            if (_options.Ou != null && !entry.DistinguishedName.Contains(_options.Ou))
                            {
                                break;
                            }

                            if (!_utils.PingHost(resolved.BloodHoundDisplay))
                            {
                                Interlocked.Increment(ref _noPing);
                                break;
                            }

                            try
                            {
                                var admins = LocalAdminHelpers.GetSamAdmins(resolved);

                                foreach (var admin in admins)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = admin
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }

                            if (_options.ExcludeDC && entry.DistinguishedName.Contains("OU=Domain Controllers"))
                            {
                                break;
                            }

                            try
                            {
                                var sessions = SessionHelpers.GetNetSessions(resolved, _currentDomain);

                                foreach (var session in sessions)
                                {
                                    writeQueue.Add(new Wrapper <OutputBase> {
                                        Item = session
                                    });
                                }
                            }
                            catch (TimeoutException)
                            {
                                Interlocked.Increment(ref _timeouts);
                            }
                        }
                        break;

                    default:
                        throw new ArgumentOutOfRangeException();
                    }
                    Interlocked.Increment(ref _currentCount);
                    wrapper.Item = null;
                }
            }, TaskCreationOptions.LongRunning));
        }