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));
}