V 2.0 : Network Share Events

V 2.0 : Network Share Events

Base Rule

Network Share Information

Information

V 2.0 : EVID 5145 : Requested Permissions Allowed

Sub Rule

Permission Checked

Other Audit

V 2.0 : EVID 5145 : Requested Permissions Denied

Sub Rule

Permission Checked

Other Audit

V 2.0 : EVID 5140 : Successfull Access of Network

Sub Rule

Object Accessed

Access Success

V 2.0 : EVID 5140 : Failed Access of Network Share

Sub Rule

Access Object Failure

Access Failure

V 2.0 : EVID 5142 : Network Share Object Added

Sub Rule

Object Created

Access Success

V 2.0 : EVID 5143 : Network Share Object Modified

Sub Rule

Object Modified

Access Success

V 2.0 : EVID 5144 : Network Share Object Deleted

Sub Rule

Object Deleted/Removed

Access Success

V 2.0 : EVID 5140 : Succesfull Access of Network

Sub Rule

Object Accessed

Access Success

V 2.0 : EVID 5140 : Failed Access of Network Share

Sub Rule

Access Object Failure

Access Failure

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>

String/Number

The severity level defined in the event.

Task

<vendorinfo>

String/Number

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>
<tag1>

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.

SubjectUserSid

N/A

N/A

The SID of account that requested access to network share object.

SubjectUserName

<login>

N/A

The name of the account that requested access to network share object.

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>

Text/String

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

ObjectType

<objecttype>

Text/String

The type of an object that was accessed during the operation. Always File for this event.

IpAddress

<sip>

Number

The source IP address from which access was performed.
IPv6 address or ::ffff:IPv4 address of a client.
::1 or 127.0.0.1 means localhost.

IpPort

<sport>

Number

The source TCP or UDP port which was used from remote or local machine to request the access.
0 for local access attempts.

ShareName

<objectname>

Text/String/Number

The name of accessed network share. The format is: \\*\SHARE_NAME.

ShareLocation

N/A

Text/String/Number

The full system (NTFS) path for accessed share. The format is: \\??\PATH. Can be empty, for example for Share Name: \\*\IPC$.

RelativeTargetName

<object>

Text/String/Number

relative name of the accessed target file or folder. This file-path is relative to the network share. If access was requested for the share itself, then this field appears as “\”.

AccessMask

N/A

N/A

The sum of hexadecimal values of requested access rights.

AccessList

<subject>

N/A

The list of access rights which were requested by Subject\Security ID.

AccessReason

N/A

N/A

The reason access rights were requested.