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[crowdstrike] Remove tag-based malware guessing with dedicated malware field when importing reports #4718

@romain-filigran

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@romain-filigran

Use case

The CrowdStrike connector currently uses a bad approach to model malware in reports. In fact, it parses the tags field to "guess" malware names through the "report_guess_malware" option. This method continuously queries the OpenCTI platform to check if each tag corresponds to a known malware. This approach is ineffective and may omit information.

The CrowdStrike API now appears to provide a dedicated field for “malware” in report modeling.
We should:

  • Use the new "malware" field to model malware families mentioned in a report
  • Completely remove the "report_guess_malware" option and all associated code. No need to deprecate it.

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