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Corelight - Network Service Scanning Multiple IP Addresses

Description

'Identify scanning of services that may be available on the internal network.'
Rule type
Scheduled
Version
2.2.0
Declared status
Available
Query frequency
1h
Query period
1h
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

let threshold = 25;
union isfuzzy=true corelight_conn, corelight_conn_agg
| where local_resp == true
| where local_orig == true
| where conn_state in~ ('S0', 'REJ')
| where history !contains 'D'
| summarize count() by id_orig_h, id_resp_p, bin(TimeGenerated, 1m)
| where count_ > threshold

Declared entities

IP

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
599570d4-06f8-4939-8e29-95cd003f1abd
Additional source files 2Solutions/Corelight/Analytic Rules/CorelightNetworkServiceScanning.yamlsource ↗Solutions/Corelight/Data/Solution_Corelight.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.