ASimDhcpEventLogs

The ASIM DHCP schema represents DHCP server activity, including serving requests for DHCP IP address leased from client systems and updating a DNS server with the leases granted.

Table attributes

Attribute Value
Resource types microsoft.securityinsights/asimtables
Categories Security
Solutions SecurityInsights
Basic log No
Ingestion-time transformation Yes
Sample Queries -

Columns

Column Type Description
AdditionalFields dynamic Additional information, represented using key/value pairs provided by the source which do not map to ASim.
_BilledSize real The record size in bytes
DhcpCircuitId string The DHCP circuit ID, as defined by RFC3046.
DhcpLeaseDuration int The length of the lease granted to a client, in seconds.
DhcpSessionDuration int The amount of time, in milliseconds, for the completion of the DHCP session.
DhcpSessionId string The session identifier as reported by the reporting device. For the Windows DHCP server, set this to the TransactionID field.
DhcpSrcDHCId string The DHCP client ID, as defined by RFC4701.
DhcpSubscriberId string The DHCP subscriber ID, as defined by RFC3993.
DhcpUserClass string The DHCP User Class, as defined by RFC3004.
DhcpUserClassId string The DHCP User Class Id, as defined by RFC3004.
DhcpVendorClass string The DHCP Vendor Class, as defined by RFC3925.
DhcpVendorClassId string The DHCP Vendor Class Id, as defined by RFC3925.
DvcAction string For reporting security systems, the action taken by the system, if applicable.
DvcDescription string A descriptive text associated with the device.
DvcDomain string The domain of the device on which the event occurred or which reported the event, depending on the schema
DvcDomainType string The type of DvcDomain.
DvcFQDN string The hostname of the device on which the event occurred or which reported the event, depending on the schema.
DvcHostname string The hostname of the device on which the event occurred or which reported the event, depending on the schema.
DvcId string The unique ID of the device on which the event occurred or which reported the event, depending on the schema.
DvcIdType string The type of DvcId.
DvcInterface string The network interface on which data was captured. This field is typically relevant to network related activity which is captured by an intermediate or tap device.
DvcIpAddr string The IP address of the device on which the event occurred or which reported the event, depending on the schema.
DvcMacAddr string The MAC address of the device on which the event occurred or which reported the event.
DvcOriginalAction string The original DvcAction as provided by the reporting device.
DvcOs string The operating system running on the device on which the event occurred or which reported the event.
DvcOsVersion string The version of the operating system on the device on which the event occurred or which reported the event.
DvcScope string The cloud platform scope the device belongs to. DvcScope map to a subscription name on Azure and to an account ID on AWS.
DvcScopeId string The cloud platform scope ID the device belongs to. DvcScopeId map to a subscription ID on Azure and to an account ID on AWS.
DvcZone string The network on which the event occurred or which reported the event, depending on the schema. The zone is defined by the reporting device.
EventCount int The number of events described by the record. This value is used when the source supports aggregation, and a single record might represent multiple events.
EventEndTime datetime The time in which the event ended. If the source supports aggregation and the record represents multiple events, the time when the last event was generated. If not provided by the source record, this field aliases the TimeGenerated field.
EventMessage string A general message or description, either included in or generated from the record.
EventOriginalResultDetails string The original result details provided by the source. This value is used to derive EventResultDetails, which should have only one of the values documented for each schema.
EventOriginalSeverity string The original severity as provided by the reporting device. This value is used to derive EventSeverity.
EventOriginalSubType string The original event subtype or ID, if provided by the source.
EventOriginalType string The original event type or ID, if provided by the source.
EventOriginalUid string A unique ID of the original record, if provided by the source.
EventOwner string The owner of the event, which is usually the department or subsidiary in which it was generated.
EventProduct string The product generating the event. The value should be one of the values listed in Vendors and Products.
EventProductVersion string The version of the product generating the event.
EventReportUrl string A URL provided in the event for a resource that provides more information about the event.
EventResult string The outcome of the event, represented by one of the following values: Success, Partial, Failure, NA (Not Applicable).
EventResultDetails string Reason or details for the result reported in the EventResult field.
EventSchema string The schema the event is normalized to. Each schema documents its schema name.
EventSchemaVersion string The version of the schema. Each schema documents its current version.
EventSeverity string The severity of the event.
EventStartTime datetime The time in which the event started. If the source supports aggregation and the record represents multiple events, the time when the first event was generated. If not provided by the source record, this field aliases the TimeGenerated field.
EventSubType string Describes a subdivision of the operation reported in the EventType field.
EventType string Describes the operation reported by the record.
EventVendor string The vendor of the product generating the event. The value should be one of the values listed in Vendors and Products.
_IsBillable string Specifies whether ingesting the data is billable. When _IsBillable is false ingestion isn't billed to your Azure account
RequestedIpAddr string The IP address requested by the DHCP client, when available.
_ResourceId string A unique identifier for the resource that the record is associated with
RuleName string The name or ID of the rule by associated with the inspection results.
RuleNumber int The number of the rule associated with the inspection results.
SourceSystem string The type of agent the event was collected by. For example, OpsManager for Windows agent, either direct connect or Operations Manager, Linux for all Linux agents, or Azure for Azure Diagnostics
SrcDescription string A descriptive text associated with the device.
SrcDeviceType string The type of the device.
SrcDomain string The domain of the device.
SrcDomainType string The type of the domain.
SrcDvcId string The ID of the device.
SrcDvcIdType string The type of the DvcId.
SrcDvcScope string The cloud platform scope the device belongs to.
SrcDvcScopeId string The cloud platform scope ID the device belongs to.
SrcFQDN string The device hostname, including domain information when available.
SrcGeoCity string The city associated with the source IP address.
SrcGeoCountry string The country associated with the source IP address.
SrcGeoLatitude real The latitude of the geographical coordinate associated with the source IP address.
SrcGeoLongitude real The longitude of the geographical coordinate associated with the source IP address.
SrcGeoRegion string The region within a country associated with the source IP address..
SrcHostname string The device hostname, excluding domain information.
SrcIpAddr string The IP address of the source device.
SrcMacAddr string The MAC address of the network interface from which the connection or session originated.
SrcOriginalRiskLevel string The risk level associaeted with the identified Source as reported by the reporting device.
SrcOriginalUserType string The original source user type, if provided by the source.
SrcPortNumber int The IP port on which the device communicated, if applicable.
SrcRiskLevel int The risk level associated with the identified Source.
SrcUserId string A machine-readable, alphanumeric, unique representation of the user.
SrcUserIdType string The type of SrcUserId.
SrcUsername string The user's username, including domain information when available.
SrcUsernameType string The type of username.
SrcUserScope string The type of username.
SrcUserScopeId string The scope ID, such as Azure AD tenant ID, in which UserId and Username are defined.
SrcUserSessionId string The unique ID of the sign-in session of the user.
SrcUserType string The type of user
SrcUserUid string The Unix or Linux user ID of the user.
_SubscriptionId string A unique identifier for the subscription that the record is associated with
TenantId string The Log Analytics workspace ID
ThreatCategory string The category of the threat or malware identified in activity.
ThreatConfidence int The confidence level of the threat identified, normalized to a value between 0 and a 100.
ThreatField string The field for which a threat was identified.
ThreatFirstReportedTime datetime The first time the IP address or domain were identified as a threat.
ThreatId string The ID of the threat or malware identified in the activity.
ThreatIsActive bool True ID the threat identified is considered an active threat.
ThreatLastReportedTime datetime The last time the IP address or domain were identified as a threat.
ThreatName string The name of the threat or malware identified in the activity.
ThreatOriginalConfidence string The original confidence level of the threat identified, as reported by the reporting device.
ThreatOriginalRiskLevel string The risk level as reported by the reporting device.
ThreatRiskLevel int The risk level associated with the identified threat. The level should be a number between 0 and 100.
TimeGenerated datetime The timestamp (UTC) reflecting the time in which the event was generated.
Type string The name of the table