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Quarantine

Investigating quarantined files and applying quarantine actions during triage and remediation workflows

  • Quarantined Files:read
  • Quarantined Files:write

Required scopes: Quarantined Files:write

Delete quarantine records selected by IDs or filter.

This tool is destructive and should be used only when quarantine records should be removed rather than released. Provide ids for specific records, or filter to select by query. Consult falcon://quarantine/files/search/fql-guide before constructing filter expressions. Returns an empty list on success.

Example prompts:

  • “Delete quarantine records for host SE-DAO-WIN10-CO”
  • “Delete quarantine record abc123”

Required scopes: Quarantined Files:read

Estimate how many quarantine records each action would affect for a given filter.

Use this read-only tool before calling a mutating quarantine action to understand the blast radius of a release, unrelease, or delete request. Consult falcon://quarantine/files/search/fql-guide before constructing filter expressions. Returns a list of action counts keyed by action name.

Example prompts:

  • “Preview how many quarantined files can be released vs deleted”
  • “Preview quarantine action impact for state quarantined on host SE-DAO-WIN10-CO”

Required scopes: Quarantined Files:read

Search quarantined files and return full quarantine metadata.

Use this to discover quarantine records by host, hash, user, or state. Consult falcon://quarantine/files/search/fql-guide before constructing filter expressions. Returns full quarantine details including hostname, sha256, paths, state, and associated alert and detection IDs.

Example prompts:

  • “Show me quarantined files on host SE-DAO-WIN10-CO”
  • “Find quarantined files for user badguy updated in the last 7 days”
  • “Search for quarantined files with SHA256 starting with 3dd9”

Required scopes: Quarantined Files:write

Apply a reversible quarantine action to records selected by IDs or filter.

Use this to release or unrelease quarantined files. Provide ids for specific records, or filter to select by query. Consult falcon://quarantine/files/search/fql-guide before constructing filter expressions. Returns an empty list on success.

Example prompts:

  • “Release quarantine record abc123”
  • “Release all quarantined files for user badguy”
  • falcon://quarantine/files/search/fql-guide: Contains the guide for the filter param of quarantine search and filter-based action tools.