4627 event id. Dec 29, 2020 · The Event ID of interest is 4627 that shows the list of groups that the logged-on account belongs to. The event provides important details about the user's logon, such as the user account name, logon type, and logon timestamp. We have AD migrated users with sidhistory and their group membership is large. Nov 19, 2024 · Windows Event Logs are one of the most crucial sources of information for Security Operations Center (SOC) analysts, administrators, and forensic investigators. It does not state which group’s token (if at all) was needed for that task at hand, it simply logs the effective group membership that was enumerated at the time Device Configuration and Mapping Guides / MS Windows Event Log Sources / V 2. As explained in this answer, Event 4627 is generated along with event 4624 (successful account logon) and shows the entire list of groups that the particular logged-on account belongs to. Prior to that the event viewer logs The event ID 4627 breaks it down with fields like Subject User Sid for the deleter, Target User Name for the one gone, and then that Group Membership section shows the SIDs of groups tied to it. This started after a specific date and is continuous. This log data provides the following information: Security ID Account Name Account Domain Logon ID Event in Sequence Group Mar 17, 2026 · Event ID 4624 is a security event that gets generated in the Microsoft Windows event log every time a user successfully logs on to a computer or server. On this page Description of this event Field level details Examples This is the only event of it's new Group Membership subcategory. This is detected when a user logs into a host and the GroupMembership field in event 4627 indicates a privileged group (e Event Description Group membership information provided when an account successfully logs on. This event is generated with event 4624(S) An account was successfully logged on. If all the security information cannot be fit into a single security audit event, multiple events are generated. There is no information in that event that will help you. These logs contain a wealth of data May 19, 2021 · You can dig and look at event 4627 as much as you want. One or more of these events are logged whenever a user logs on or a logon session begins for any other reason (see LogonTypes on 4624). This event generates along with with event ID 4624 and shows the list of groups that the logged-on account belongs to. Group Membership: This is where all the groups are listed to whom the user belonged at time of logon. Any case, how can we simply disabling auditing of this event ID from the DC's? Thanks This event shows extended group membership information for a user logon session. Event 4627 is generated along with event 4624 (successful account logon) and shows the entire list of groups that the particular logged-on account belongs to. Feb 25, 2026 · Updated Date: 2026-02-25 ID: 10381f93-6d38-470a-9c30-d25478e3bd3f Author: Mauricio Velazco, Splunk Type: TTP Product: Splunk Enterprise Security Description The following analytic identifies potential Kerberos ticket forging attacks, specifically the Diamond Ticket attack. There is no way to do this because it is not centrally logged or stored anywhere; least of all in Active Directory. 0 : MS Windows Event Logging XML - Security (Configuration Guide) Account Domain: Domain name of the account (pre-Win2k domain name) Logon ID: Semi-unique logon session ID number Events in sequence: If a user is member to too many groups to document in one event Windows will log multiple instances of this event. Sample SIEM query that will hunt for Domain Admin logons to Workstations is: Sep 5, 2024 · Solved: Need some help in extracting Group Membership details from Windows Event Code 4627. Event ID 4627 is generated along with each successful logon (4624) making this event as noisy as 4624. Windows Security Log Event ID 4627 4627: Group membership information. Oct 17, 2025 · We have a lot of event id 4624 type 3, 4627 and 4634 on a file server for a specific user and workstation. May 19, 2021 · You can dig and look at event 4627 as much as you want. Multiple event 4626's are generated if the group membership information cannot fit in a single security audit event. Apr 27, 2021 · Our splunk logs are getting maxed out because of event ID 4627. Describes security event 4627(S) Group membership information. It does not state which group’s token (if at all) was needed for that task at hand, it simply logs the effective group membership that was enumerated at the time . xzhefi kkcyug juu yxke amu vzds htlg sllybe wwky ubj