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https://issues.apache.org/jira/browse/DRILL-8289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charles Givre resolved DRILL-8289.
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Resolution: Done
> Add Threat Hunting Functions
> ----------------------------
>
> Key: DRILL-8289
> URL: https://issues.apache.org/jira/browse/DRILL-8289
> Project: Apache Drill
> Issue Type: New Feature
> Components: Functions - Drill
> Affects Versions: 2.0.0
> Reporter: Charles Givre
> Assignee: Charles Givre
> Priority: Major
> Fix For: 2.0.0
>
>
> # Threat Hunting Functions
> These functions are useful for doing threat hunting with Apache Drill. These
> were inspired by huntlib.[1]
> The functions are:
> * `punctuation_pattern(<string>)`: Extracts the pattern of punctuation in
> text.
> * `entropy(<string>)`: This function calculates the Shannon Entropy of a
> given string of text.
> * `entropyPerByte(<string>)`: This function calculates the Shannon Entropy of
> a given string of text, normed for the string length.
> [1]: https://github.com/target/huntlib
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