V 2.0 : EVID 4800-4803 : Lock and Unlock Events

Vendor Documentation

Classification

Rule Name

Rule Type

Common Event

Classification

V 2.0 : EVID 4800-4803 : Lock and Unlock Events

Base Rule

General Access

Other Audit Success

V 2.0 : EVID 4800 : Workstation Locked

Sub Rule

Workstation Locked

Other Audit Success

V 2.0 : EVID 4801 : Workstation Unlocked

Sub Rule

Workstation Unlocked

Other Audit Success

V 2.0 : EVID 4802 : Screensaver Invoked

Sub Rule

Screen Saver Invoked

Information

V 2.0 : EVID 4803 : Screensaver Dismissed

Sub Rule

Screen Saver Dismissed

Information

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>
<tag1>

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 typcially 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.

TargetUserSid

N/A

N/A

The SID of account that requested the lock workstation operation.

TargetUserName

<login>

Text/String

The name of the account that requested the lock workstation operation.

TargetDomainName

<domainorigin>

Text/String

The target's domain or computer 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.

  • For local user accounts, this field will contain the name of the computer or device that this account belongs to

TargetLogonId

<session>

Number

A hexadecimal value that can help you correlate this event with recent events that might contain the same Logon ID

SessionId

N/A

N/A

The unique ID of locked session.