Service Down: No Response to STM: Has IP

Rule ID

PH_Rule_No_Service_Response_IP

Default Status

Enabled

Description

Detects a service suddenly went down from up state and is no longer responding to synthetic transaction monitoring probes. This service has well known IP address.

Severity

MITRE ATT&CK® Tactics

Application

MITRE ATT&CK® Techniques

No Technique Specified

Impacts

Application

Data Source

Any Device via STM Monitoring

Detection

Correlation

Remediation Guidance

Identify the root cause and solve the issue

Time Window

If the following pattern or patterns match an ingested event within the given time window in seconds, trigger an incident.

600 seconds

Trigger Conditions

If the following defined pattern/s occur within a 600 second time window.

AppDown

SubPattern Definitions

SubPattern Name: AppDown

This is the named definition of the event query, this is important if multiple subpatterns are defined to distinguish them.

SubPattern Query

This is the query logic that matches incoming events

eventType = "PH_DEV_MON_EUM_FAIL" AND  hostIpAddr IS NOT NULL

Group by Attributes

This defines how matching events are aggregated, only events with the same matching attribute values are grouped into one unique incident ID

hostName,hostIpAddr,endUserMonitorName

Aggregate Constraint

This is most typically a numerical constraint that defines when the rule should trigger an incident

COUNT(*) >= 2

Incident Attribute Mapping

This section defines which fields in matching raw events should be mapped to the incident attributes in the resulting incident.

The available raw event attributes to map are limited to the group by attributes and the aggregate event constraint fields for each subpattern

 hostName=AppDown.hostName,
hostIpAddr=AppDown.hostIpAddr,
endUserMonitorName=AppDown.endUserMonitorName

FortiSIEM Rules