V 2.0 : EVID 4781 : User Account Name Changed

Vendor Documentation

https://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4781

Classification

Rule Name	Rule Type	Common Event	Classification
V 2.0 : EVID 4781 : User Account Name Changed	Base Rule	User Account Name Modified	Account Modified
V 2.0 : EVID 4781 : Computer Account Name Modified	Sub Rule	Computer Account Name Modified	Account Modified

Mapping with LogRhythm Schema

Device Key in Log Message	LogRhythm Schema	Data Type	Schema Description
Provider	N/A	N/A	Identifies the provider that logged the event. The Name and Guid attributes are included if the provider used an instrumentation manifest to define its events. The EventSourceName attribute is included if a legacy event provider (using the Event Logging API) logged the event.
EventID	<vmid>	Number	The identifier that the provider used to identify the event.
Version	N/A	N/A	The version number of the event's definition.
Level	<severity>	Text/String	The severity level defined in the event.
Task	<vendorinfo>	Text/String	The task defined in the event. Task and Opcode are typically used to identify the location in the application from where the event was logged.
Opcode	N/A	N/A	The opcode defined in the event. Task and Opcode are typically used to identify the location in the application from where the event was logged.
Keywords	<result>	Text/String	A bitmask of the keywords defined in the event. Keywords are used to classify types of events (for example, events associated with reading data).
TimeCreated	N/A	N/A	The time stamp that identifies when the event was logged. The time stamp will include either the SystemTime attribute or the RawTime attribute.
EventRecordID	N/A	N/A	The record number assigned to the event when it was logged.
Correlation	N/A	N/A	The activity identifiers that consumers can use to group related events together.
Execution	N/A	N/A	Contains information about the process and thread that logged the event.
Channel	N/A	N/A	The channel to which the event was logged.
Computer	<dname>	Text/String	The name of the computer on which the event occurred.
OldTargetUserName	<account> <tag1>	Text/String	Old name of target account.
NewTargetUserName	<object>	Text/String	New name of target account.
TargetDomainName	<domainimpacted>	Text/String	The target's domain name. Formats vary, and include the following: Domain NETBIOS name example: CONTOSO Lowercase full domain name: contoso.local Uppercase full domain name: CONTOSO.LOCAL For some well-known security principals, such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is NT AUTHORITY.
TargetSid	N/A	N/A	The SID of account on which the name was changed.
SubjectUserSid	N/A	N/A	The SID of account that performed the change account name operation.
SubjectUserName	<login>	Text/String	The name of the account that performed the change account name operation.
SubjectDomainName	<domainorigin>	Text/String	The subject’s domain name. Formats vary, and include the following: Domain NETBIOS name example: CONTOSO Lowercase full domain name: contoso.local Uppercase full domain name: CONTOSO.LOCAL For some well-known security principals, such as LOCAL SERVICE or ANONYMOUS LOGON, the value of this field is NT AUTHORITY.
SubjectLogonId	<session>	Text/String	A hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID
PrivilegeList	N/A	N/A	The list of user privileges which were used during the operation, for example, SeBackupPrivilege. This parameter might not be captured in the event, and in that case appears as “-”.