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* [New] Elastic Defend Alert from Package Manager Install Ancestry Detects Elastic Defend alerts (behavior, malicious file, memory signature, shellcode) where the alerted process has a package-manager install context in its ancestry: npm (Node.js), PyPI (pip / Python / uv), or Rust (cargo). Install-time spawn chains are a common path for supply-chain and postinstall abuse; this Higher-Order rule surfaces Defend alerts whose process tree includes such activity for prioritization. * Update initial_access_elastic_defend_alert_package_manager_ancestor.toml * Update rules/cross-platform/initial_access_elastic_defend_alert_package_manager_ancestor.toml Co-authored-by: Eric Forte <119343520+eric-forte-elastic@users.noreply.github.com> * Update rules/cross-platform/initial_access_elastic_defend_alert_package_manager_ancestor.toml Co-authored-by: Eric Forte <119343520+eric-forte-elastic@users.noreply.github.com> * Update initial_access_elastic_defend_alert_package_manager_ancestor.toml --------- Co-authored-by: Eric Forte <119343520+eric-forte-elastic@users.noreply.github.com>