private Task StartRunner(BlockingCollection <Wrapper <SearchResultEntry> > processQueue,
BlockingCollection <Wrapper <JsonBase> > output)
{
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;
}
var sid = entry.GetSid();
var domain = Utils.ConvertDnToDomain(entry.DistinguishedName).ToUpper();
var domainSid = _utils.GetDomainSid(domain);
if (resolved.ObjectType == "user")
{
var obj = new User
{
Name = resolved.BloodHoundDisplay
};
obj.Properties.Add("domain", domain);
obj.Properties.Add("objectsid", sid);
obj.Properties.Add("highvalue", false);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
GroupHelpers.GetGroupInfo(entry, resolved, domainSid, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "group")
{
var obj = new Group
{
Name = resolved.BloodHoundDisplay
};
if (sid.EndsWith("-512") || sid.EndsWith("-516") || sid.EndsWith("-519") ||
sid.EndsWith("-520") || sid.Equals("S-1-5-32-544") || sid.Equals("S-1-5-32-550") ||
sid.Equals("S-1-5-32-549") || sid.Equals("S-1-5-32-551") || sid.Equals("S-1-5-32-548"))
{
obj.Properties.Add("highvalue", true);
}
else
{
obj.Properties.Add("highvalue", false);
}
obj.Properties.Add("domain", domain);
obj.Properties.Add("objectsid", sid);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
GroupHelpers.GetGroupInfo(entry, resolved, domainSid, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "computer")
{
var obj = new Computer
{
Name = resolved.BloodHoundDisplay,
LocalAdmins = new LocalMember[] {},
RemoteDesktopUsers = new LocalMember[] {}
};
obj.Properties.Add("objectsid", sid);
obj.Properties.Add("highvalue", false);
obj.Properties.Add("domain", domain);
if (Utils.IsMethodSet(ResolvedCollectionMethod.Group))
{
if (entry.DistinguishedName.ToLower().Contains("domain controllers"))
{
_entDcs.Enqueue(new GroupMember
{
MemberName = resolved.BloodHoundDisplay,
MemberType = "computer"
});
}
}
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
GroupHelpers.GetGroupInfo(entry, resolved, domainSid, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
if (!_utils.PingHost(resolved.BloodHoundDisplay))
{
Interlocked.Increment(ref _noPing);
}
else
{
var timeout = false;
try
{
obj.LocalAdmins = LocalGroupHelpers
.GetGroupMembers(resolved, LocalGroupHelpers.LocalGroupRids.Administrators)
.ToArray();
}
catch (TimeoutException)
{
timeout = true;
}
try
{
obj.RemoteDesktopUsers = LocalGroupHelpers.GetGroupMembers(resolved,
LocalGroupHelpers.LocalGroupRids.RemoteDesktopUsers).ToArray();
}
catch (TimeoutException)
{
timeout = true;
}
try
{
obj.DcomUsers = LocalGroupHelpers.GetGroupMembers(resolved,
LocalGroupHelpers.LocalGroupRids.DcomUsers).ToArray();
}
catch (TimeoutException)
{
timeout = true;
}
try
{
foreach (var s in SessionHelpers.GetNetSessions(resolved, domain))
{
output.Add(new Wrapper <JsonBase>
{
Item = s
});
}
}
catch (TimeoutException)
{
timeout = true;
}
try
{
foreach (var s in SessionHelpers.DoLoggedOnCollection(resolved, domain))
{
output.Add(new Wrapper <JsonBase>
{
Item = s
});
}
}
catch (TimeoutException)
{
timeout = true;
}
if (timeout)
{
Interlocked.Increment(ref _timeouts);
}
}
if (!_options.SessionLoopRunning)
{
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
}
else if (resolved.ObjectType == "domain")
{
var obj = new Domain
{
Name = resolved.BloodHoundDisplay
};
obj.Properties.Add("objectsid", sid);
obj.Properties.Add("highvalue", true);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
ContainerHelpers.ResolveContainer(entry, resolved, ref obj);
TrustHelpers.DoTrustEnumeration(resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "gpo")
{
var obj = new Gpo
{
Name = resolved.BloodHoundDisplay,
Guid = entry.GetProp("name").Replace("{", "").Replace("}", "")
};
obj.Properties.Add("highvalue", false);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
foreach (var a in LocalGroupHelpers.GetGpoMembers(entry, domain))
{
output.Add(new Wrapper <JsonBase>
{
Item = a
});
}
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "ou")
{
var obj = new Ou
{
Guid = new Guid(entry.GetPropBytes("objectguid")).ToString().ToUpper()
};
obj.Properties.Add("name", resolved.BloodHoundDisplay);
obj.Properties.Add("highvalue", false);
ContainerHelpers.ResolveContainer(entry, resolved, ref obj);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
Interlocked.Increment(ref _currentCount);
wrapper.Item = null;
}
}, TaskCreationOptions.LongRunning));
}
internal void StartStealthEnumeration()
{
var output = new BlockingCollection <Wrapper <JsonBase> >();
var writer = StartOutputWriter(output);
foreach (var domainName in _utils.GetDomainList())
{
Extensions.SetPrimaryDomain(domainName);
_currentCount = 0;
_timeouts = 0;
_noPing = 0;
_watch = Stopwatch.StartNew();
Console.WriteLine($"Starting Stealth Enumeration for {domainName}");
_statusTimer.Start();
var domainSid = _utils.GetDomainSid(domainName);
var res = _options.ResolvedCollMethods;
var data = LdapFilter.BuildLdapData(res, _options.ExcludeDC, _options.LdapFilter);
ContainerHelpers.BuildGpoCache(domainName);
foreach (var entry in _utils.DoSearch(data.Filter, SearchScope.Subtree, data.Properties, domainName))
{
var resolved = entry.ResolveAdEntry();
_currentCount++;
if (resolved == null)
{
continue;
}
Console.WriteLine(resolved.BloodHoundDisplay);
Console.WriteLine(resolved.ObjectType);
var domain = Utils.ConvertDnToDomain(entry.DistinguishedName);
var sid = entry.GetSid();
if (resolved.ObjectType == "user")
{
var obj = new User
{
Name = resolved.BloodHoundDisplay
};
obj.Properties.Add("domain", domain);
obj.Properties.Add("objectsid", sid);
obj.Properties.Add("highvalue", false);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
GroupHelpers.GetGroupInfo(entry, resolved, domainSid, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "group")
{
var obj = new Group
{
Name = resolved.BloodHoundDisplay
};
obj.Properties.Add("domain", domain);
obj.Properties.Add("objectsid", sid);
if (sid.EndsWith("-512") || sid.EndsWith("-516") || sid.EndsWith("-519") ||
sid.EndsWith("-520") || sid.Equals("S-1-5-32-544") || sid.Equals("S-1-5-32-550") ||
sid.Equals("S-1-5-32-549") || sid.Equals("S-1-5-32-551") || sid.Equals("S-1-5-32-548"))
{
obj.Properties.Add("highvalue", true);
}
else
{
obj.Properties.Add("highvalue", false);
}
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
GroupHelpers.GetGroupInfo(entry, resolved, domainSid, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "computer")
{
var obj = new Computer
{
Name = resolved.BloodHoundDisplay,
};
obj.Properties.Add("domain", domain);
obj.Properties.Add("objectsid", sid);
obj.Properties.Add("highvalue", false);
if (entry.DistinguishedName.ToLower().Contains("domain controllers"))
{
_entDcs.Enqueue(new GroupMember
{
MemberType = "computer",
MemberName = resolved.BloodHoundDisplay
});
}
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
GroupHelpers.GetGroupInfo(entry, resolved, domainSid, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "domain")
{
var obj = new Domain
{
Name = resolved.BloodHoundDisplay,
};
obj.Properties.Add("objectsid", sid);
obj.Properties.Add("highvalue", true);
ObjectPropertyHelpers.GetProps(entry, resolved, ref obj);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
ContainerHelpers.ResolveContainer(entry, resolved, ref obj);
TrustHelpers.DoTrustEnumeration(resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "gpo")
{
var obj = new Gpo
{
Name = resolved.BloodHoundDisplay,
Guid = entry.GetProp("name").Replace("{", "").Replace("}", "")
};
obj.Properties.Add("highvalue", false);
AclHelpers.GetObjectAces(entry, resolved, ref obj);
foreach (var a in LocalGroupHelpers.GetGpoMembers(entry, domain))
{
output.Add(new Wrapper <JsonBase>
{
Item = a
});
}
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
else if (resolved.ObjectType == "ou")
{
var obj = new Ou
{
Guid = new Guid(entry.GetPropBytes("objectguid")).ToString().ToUpper()
};
obj.Properties.Add("name", resolved.BloodHoundDisplay);
obj.Properties.Add("highvalue", false);
ContainerHelpers.ResolveContainer(entry, resolved, ref obj);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
}
if (Utils.IsMethodSet(ResolvedCollectionMethod.Session))
{
Console.WriteLine("Doing stealth session enumeration");
foreach (var target in SessionHelpers.CollectStealthTargets(domainName))
{
if (!_utils.PingHost(target.BloodHoundDisplay))
{
_noPing++;
continue;
}
try
{
foreach (var session in SessionHelpers.GetNetSessions(target, domainName))
{
output.Add(new Wrapper <JsonBase>
{
Item = session
});
}
}
catch (TimeoutException)
{
_timeouts++;
}
}
}
if (_entDcs.Count > 0)
{
var dObj = _utils.GetForest(domainName);
var d = dObj == null ? domainName : dObj.RootDomain.Name;
var n = $"ENTERPRISE DOMAIN CONTROLLERS@{d}";
var obj = new Group
{
Name = n,
Members = _entDcs.ToArray()
};
obj.Properties.Add("domain", d);
obj.Properties.Add("objectsid", "S-1-5-9");
obj.Properties.Add("highvalue", true);
output.Add(new Wrapper <JsonBase>
{
Item = obj
});
}
PrintStatus();
_statusTimer.Stop();
Console.WriteLine($"Finished stealth enumeration for {domainName} in {_watch.Elapsed}");
Console.WriteLine($"{_noPing} hosts failed ping. {_timeouts} hosts timedout.");
}
output.CompleteAdding();
Utils.Verbose("Waiting for writer thread to finish");
writer.Wait();
}