---
key: drl-1.1
short_name: DRL-1.1
name: Detection Rule License (DRL) 1.1
category: Permissive
owner: Florian Roth
homepage_url: https://github.com/Neo23x0/signature-base/blob/master/LICENSE
spdx_license_key: DRL-1.1
other_spdx_license_keys:
    - LicenseRef-scancode-drl-1.1
other_urls:
    - https://github.com/SigmaHQ/Detection-Rule-License/blob/6ec7fbde6101d101b5b5d1fcb8f9b69fbc76c04a/LICENSE.Detection.Rules.md
---

Detection Rule License (DRL) 1.1

Permission is hereby granted, free of charge, to any person obtaining a copy 
of this rule set and associated documentation files (the "Rules"), to deal 
in the Rules without restriction, including without limitation the rights to 
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
of the Rules, and to permit persons to whom the Rules are furnished to do so, 
subject to the following conditions:

If you share the Rules (including in modified form), you must retain the 
following if it is supplied within the Rules:

1. identification of the authors(s) ("author" field) of the Rule and any 
   others designated to receive attribution, in any reasonable manner 
   requested by the Rule author (including by pseudonym if designated).

2. a URI or hyperlink to the Rule set or explicit Rule to the extent 
   reasonably practicable

3. indicate the Rules are licensed under this Detection Rule License, and 
   include the text of, or the URI or hyperlink to, this Detection Rule 
   License to the extent reasonably practicable

If you use the Rules (including in modified form) on data, messages based on 
matches with the Rules must retain the following if it is supplied within the 
Rules:

1. identification of the authors(s) ("author" field) of the Rule and any 
   others designated to receive attribution, in any reasonable manner 
   requested by the Rule author (including by pseudonym if designated).

THE RULES ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
OUT OF OR IN CONNECTION WITH THE RULES OR THE USE OR OTHER DEALINGS IN THE 
RULES.