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NGINX - Core Dump

View on GitHub ↗Original file ↗

Description

'Detects a core dump of a crashing Nginx worker process, which could be a signal of a serious problem or exploitation attempts.'
Rule type
Scheduled
Version
1.0.3
Declared status
Available
Query frequency
10m
Query period
10m
Trigger
gt 0

Declared MITRE coverage

ImpactT1499

Declared sources

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

Connectors

CustomLogsAma

Data types

NGINX_CL

KQL query

Original query, unchanged.

NGINXHTTPServer
| where EventType =~ "ErrorLog"
| where EventMessage contains 'exited on signal 6 (core dumped)'
| extend ProcessIdCustomEntity = ProcessId

Declared entities

Process

Related content

Links established from declared identifiers and solution manifests.

Solutions1

Source provenance

GitHub

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

Source identifier
9a7f5a97-354b-4eac-b407-a1cc7fc4b4ec
Additional source files 2Solutions/NGINX HTTP Server/Analytic Rules/NGINXCoreDump.yamlsource ↗Solutions/NGINX HTTP Server/Data/Solution_Nginx.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.