V 2.0 : EVID 4648 : Logon Using Explicit Credentials

Vendor Documentation

Classification

Rule Name

Rule Type

Common Event

Classification

V 2.0 : EVID 4648 : Logon Using Explicit Credentials

Base Rule

User Logon

Authentication Success

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

N/A 

N/A

The name of the computer on which the event occurred.

SubjectUserSid

N/A 

N/A 

The SID of account that requested the new logon session with explicit credentials.

SubjectUserName

<login>

Text/String

The name of the account that requested the new logon session with explicit credentials.

SubjectDomainName

<domainorigin>

Text/String

The subject'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

SubjectLogonId

<session>

Number

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

LogonGuid

N/A 

N/A 

A GUID that can help you correlate this event with another event that can contain the same Logon GUID.

TargetUserName

<account>

Text/String

The name of the account whose credentials were used.

TargetDomainName

<domainimpacted>

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.

TargetLogonGuid

N/A 

N/A 

A GUID that can help you correlate this event with another event that can contain the same Logon GUID.

TargetServerName

<dname>

Text/String

The name of the server on which the new process was run.

TargetInfo

N/A 

N/A 

N/A

ProcessId

<processid>

Number

A hexadecimal Process ID of the process that attempted the logon. Process ID (PID) is a number used by the operating system to uniquely identify an active process.

ProcessName

<process>

Text/String

The full path and the name of the executable for the process.

IpAddress

<sip>

Number

The IP address of machine from which logon attempt was performed.

IPv6 address or ::ffff:IPv4 address of a client.

::1 or 127.0.0.1 means localhost.

IpPort

<sport>

Number

The source port which was used for logon attempt from remote machine.

0 for interactive logons.