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4618(S): A monitored security event pattern has occurred.

  • Article

Subcategory: Audit System Integrity

This event can be generated (invoked) only externally using the following command:

%windir%\system32\rundll32 %windir%\system32\authz.dll,AuthziGenerateAdminAlertAudit OrgEventId ComputerName UserSid UserName UserDomain UserLogonId EventCount Duration

Account must have SeAuditPrivilege (Generate security audits) to be able to generate this event.

  • UserSid is resolved when viewing the event in event viewer.

  • Only OrgEventID, ComputerName, and EventCount are required—others are optional. Fields not specified appear with “-“ in the event description field.

  • If a field doesn’t match the expected data type, the event is not generated. That is, if EventCount = “XYZ”, then no event is generated.

  • UserSid, UserName, and UserDomain are not related to each other (think SubjectUser fields, where they are)

  • Parameters are space delimited, even if a parameter is enclosed in double-quotes.

  • Here are the expected data types for the parameters:

Parameter Expected Data Type
OrgEventID Ulong
ComputerName String
UserSid SID (in string format)
UserName String
UserDomain String
UserLogonID Luid (a ULongLong converted to Hex in the event)
EventCount Ulong
Duration String
Event 4618 illustration

Event XML:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
 <Provider Name="Microsoft-Windows-Security-Auditing" Guid="{54849625-5478-4994-A5BA-3E3B0328C30D}" /> 
 <EventID>4618</EventID> 
 <Version>0</Version> 
 <Level>0</Level> 
 <Task>12290</Task> 
 <Opcode>0</Opcode> 
 <Keywords>0x8020000000000000</Keywords> 
 <TimeCreated SystemTime="2015-11-11T21:42:33.264246700Z" /> 
 <EventRecordID>1198759</EventRecordID> 
 <Correlation /> 
 <Execution ProcessID="500" ThreadID="528" /> 
 <Channel>Security</Channel> 
 <Computer>DC01.contoso.local</Computer> 
 <Security /> 
 </System>
- <EventData>
 <Data Name="EventId">4624</Data> 
 <Data Name="ComputerName">DC01.contoso.local</Data> 
 <Data Name="TargetUserSid">S-1-5-21-3457937927-2839227994-823803824-1104</Data> 
 <Data Name="TargetUserName">dadmin</Data> 
 <Data Name="TargetUserDomain">CONTOSO</Data> 
 <Data Name="TargetLogonId">0x1</Data> 
 <Data Name="EventCount">10</Data> 
 <Data Name="Duration">“Hour"</Data> 
 </EventData>
</Event>

Required Server Roles: None.

Minimum OS Version: Windows Server 2008, Windows Vista.

Event Versions: 0.

Security Monitoring Recommendations

For 4618(S): A monitored security event pattern has occurred.

  • This event can be invoked only manually/intentionally, it is up to you how to interpret this event depends on information you put inside of it.