title: Nginx Core Dump
id: 59ec40bb-322e-40ab-808d-84fa690d7e56
description: Detects a core dump of a crashing Nginx worker process, which could be a signal of a serious problem or exploitation attempts.
status: experimental
author: Florian Roth
date: 2021/05/31
references:
    - https://docs.nginx.com/nginx/admin-guide/monitoring/debugging/#enabling-core-dumps
    - https://www.x41-dsec.de/lab/advisories/x41-2021-002-nginx-resolver-copy/
logsource:
    service: apache
detection:
    keywords:
        - 'exited on signal 6 (core dumped)'
    condition: keywords
falsepositives:
    - Serious issues with a configuration or plugin
level: high
tags:
    - attack.impact
    - attack.t1499.004
