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Nterl0k - T1200 - Are you down with USB ? #3283

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nterl0k
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@nterl0k nterl0k commented Jan 17, 2025

Details

A set of detections aimed at tracking attachment of removable media and process execution from removable media (USB). Uses registry key changes to monitor for USB presence.

Pending splunk/attack_data#952

Checklist

  • Validate name matches <platform>_<mitre att&ck technique>_<short description> nomenclature
  • CI/CD jobs passed ✔️
  • Validated SPL logic.
  • Validated tags, description, and how to implement.
  • Verified references match analytic.
  • Confirm updates to lookups are handled properly.

Notes For Submitters and Reviewers

  • If you're submitting a PR from a fork, ensuring the box to allow updates from maintainers is checked will help speed up the process of getting it merged.
  • Checking the output of the build CI job when it fails will likely show an error about what is failing. You may have a very descriptive error of the specific field(s) in the specific file(s) that is causing an issue. In some cases, its also possible there is an issue with the YAML. Many of these can be caught with the pre-commit hooks if you set them up. These errors will be less descriptive as to what exactly is wrong, but will give you a column and row position in a specific file where the YAML processing breaks. If you're having trouble with this, feel free to add a comment to your PR tagging one of the maintainers and we'll be happy to help troubleshoot it.
  • Updates to existing lookup files can be tricky, because of how Splunk handles application updates and the differences between existing lookup files being updated vs new lookups. You can read more here but the short version is that any changes to lookup files need to bump the datestamp in the lookup CSV filename, and the reference to it in the YAML needs to be updated.

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…n.yml to windows_detect_wpdbusenum_registry_key_modification.yml

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update search yaml for better readability / remove single quote in SPL issues
update search yaml for better readability / remove single quote in SPL issues
update search yaml for better readability / remove single quote in SPL issues
nterl0k and others added 8 commits February 12, 2025 08:03
…a.yml to windows_process_executed_from_removable_media.yml
…l to windows_usbstor_registry_key_modification.yml
….yml to windows_wpdbusenum_registry_key_modification.yml
@patel-bhavin
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@nterl0k : Thank you for updating the text! The PR looks good!

@patel-bhavin patel-bhavin merged commit bc334de into splunk:develop Feb 13, 2025
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@patel-bhavin patel-bhavin added this to the v5.1.0 milestone Feb 19, 2025
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2 participants