Normalize URL matching in AuditLogs TI rule

[v-sabiraj]

Updates URL handling in URLEntity_AuditLogs.yaml to use consistent lowercase normalization on both AuditLogs and threat indicators. It also simplifies the URL extraction regex from TargetResources, improving reliability of case-insensitive URL correlation.

Required items, please complete

Change(s):

• See guidance below

Reason for Change(s):

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Version Updated:

• Required only for Detections/Analytic Rule templates
• See guidance below

Testing Completed:

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Checked that the validations are passing and have addressed any issues that are present:

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Guidance <- remove section before submitting

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Details of the code changes in your submitted PR. Providing descriptions for pull requests ensures there is context to changes being made and greatly enhances the code review process. Providing associated Issues that this resolves also easily connects the reason.

Change(s):

• Updated syntax for XYZ.yaml

Reason for Change(s):

• New schema used for XYZ.yaml
• Resolves ISSUE Add Logstash required version to Readme file #1234

Version updated:

• Yes
• Detections/Analytic Rule templates are required to have the version updated

The code should have been tested in a Microsoft Sentinel environment that does not have any custom parsers, functions or tables, so that you validate no incorrect syntax and execution functions properly. If your submission requires a custom parser or function, it must be submitted with the PR.

Testing Completed:

• Yes/No/Need Help

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https://github.com/Azure/Azure-Sentinel#run-kql-validation-locally

Checked that the validations are passing and have addressed any issues that are present:

• Yes/No/Need Help

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References:

• Guidance for Detection checks
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I see that you changed templates under the detections/analytic rules folder. Did you remember to update the version of the templates you changed?
If not, and if you want customers to be aware that a new version of this template is available, please update the version property of the template you changed.