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Explore published rules with transparent provenance, licensing, and ATT&CK mappings.

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The public catalogue of detection rules. Every entry carries its source, the identifier it had there, its licence and its ATT&CK mapping.

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MediumElastic detection rules

Abnormally Large DNS Response

Specially crafted DNS requests can manipulate a known overflow vulnerability in some Windows DNS servers, resulting in Remote Code Execution (RCE) or a Denial of Service (DoS) from crashing the service.

ATT&CK coverage

Outside the enterprise matrix

T1210Exploitation of Remote Services 39 detections cover this technique
T1499Endpoint Denial of Service 11 detections cover this technique
T1499.004Application or System Exploitation 4 detections cover this technique

Detection requirements

Log source category: event_index

Detection logic

Published to signed-in readers

The query as its source wrote it, its canonical form, and the content hash that pins this exact revision.

Provenance

Where this detection came from, and what you may do with it.

At source: Open at source
Written by: Elastic
Licence: Elastic License 2.0Read the licence
Published: Aug 27, 2026
Version: 1