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39 Commits

Author SHA1 Message Date
Mika Ayenson, PhD 44f69a586b [Rule Tuning] Add Supplemental Mitre Mappings (#5876) 
---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>

Removed changes from:
- rules/cross-platform/command_and_control_kubectl_networking_modification.toml
- rules/cross-platform/defense_evasion_potential_kubectl_impersonation.toml
- rules/cross-platform/defense_evasion_potential_kubectl_masquerading.toml
- rules/cross-platform/discovery_kubectl_permission_discovery.toml
- rules/cross-platform/execution_d4c_k8s_mda_direct_interactive_kubernetes_api_request_by_usual_utilities.toml
- rules/cross-platform/execution_d4c_k8s_mda_forbidden_direct_interactive_kubernetes_api_request.toml
- rules/cross-platform/execution_d4c_k8s_mda_kubernetes_api_activity_by_unusual_utilities.toml
- rules/cross-platform/execution_d4c_k8s_mda_service_account_token_access_followed_by_kubernetes_api_request.toml
- rules/cross-platform/execution_kubernetes_direct_api_request_via_curl_or_wget.toml
- rules/integrations/azure/ml_azure_rare_method_by_city.toml
- rules/integrations/azure/ml_azure_rare_method_by_country.toml
- rules/integrations/azure/ml_azure_rare_method_by_user.toml
- rules/integrations/cloud_defend/command_and_control_curl_socks_proxy_detected_inside_container.toml
- rules/integrations/cloud_defend/command_and_control_interactive_file_download_from_internet.toml
- rules/integrations/cloud_defend/command_and_control_tunneling_and_port_forwarding.toml
- rules/integrations/cloud_defend/credential_access_cloud_creds_search_inside_a_container.toml
- rules/integrations/cloud_defend/credential_access_collection_sensitive_files_compression_inside_a_container.toml
- rules/integrations/cloud_defend/credential_access_sensitive_keys_or_passwords_search_inside_a_container.toml
- rules/integrations/cloud_defend/credential_access_service_account_token_or_cert_read.toml
- rules/integrations/cloud_defend/defense_evasion_decoded_payload_piped_to_interpreter.toml
- rules/integrations/cloud_defend/defense_evasion_file_creation_execution_deletion_cradle.toml
- rules/integrations/cloud_defend/defense_evasion_interactive_process_execution_from_suspicious_directory.toml
- rules/integrations/cloud_defend/defense_evasion_ld_preload_shared_object_modified_inside_a_container.toml
- rules/integrations/cloud_defend/defense_evasion_potential_evasion_via_encoded_payload.toml
- rules/integrations/cloud_defend/discovery_dns_enumeration.toml
- rules/integrations/cloud_defend/discovery_environment_enumeration.toml
- rules/integrations/cloud_defend/discovery_kubelet_certificate_file_access.toml
- rules/integrations/cloud_defend/discovery_kubelet_pod_discovery_via_builtin_utilities.toml
- rules/integrations/cloud_defend/discovery_privilege_boundary_enumeration_from_interactive_process.toml
- rules/integrations/cloud_defend/discovery_service_account_namespace_read.toml
- rules/integrations/cloud_defend/discovery_suspicious_network_tool_launched_inside_a_container.toml
- rules/integrations/cloud_defend/execution_container_management_binary_launched_inside_a_container.toml
- rules/integrations/cloud_defend/execution_direct_interactive_kubernetes_api_request.toml
- rules/integrations/cloud_defend/execution_interactive_file_creation_in_system_binary_locations.toml
- rules/integrations/cloud_defend/execution_kubeletctl_execution.toml
- rules/integrations/cloud_defend/execution_netcat_listener_established_inside_a_container.toml
- rules/integrations/cloud_defend/execution_payload_downloaded_and_piped_to_shell.toml
- rules/integrations/cloud_defend/execution_potential_direct_kubelet_access_via_process_args.toml
- rules/integrations/cloud_defend/execution_suspicious_file_made_executable_via_chmod_inside_a_container.toml
- rules/integrations/cloud_defend/execution_suspicious_interactive_interpreter_command_execution.toml
- rules/integrations/cloud_defend/execution_tool_installation.toml
- rules/integrations/cloud_defend/persistence_modification_of_persistence_relevant_files.toml
- rules/integrations/cloud_defend/persistence_ssh_authorized_keys_modification_inside_a_container.toml
- rules/integrations/cloud_defend/persistence_suspicious_echo_or_printf_execution.toml
- rules/integrations/cloud_defend/persistence_suspicious_webserver_child_process_execution.toml
- rules/integrations/cloud_defend/privilege_escalation_debugfs_launched_inside_a_privileged_container.toml
- rules/integrations/cloud_defend/privilege_escalation_potential_container_escape_via_modified_release_agent_file.toml
- rules/integrations/gcp/ml_gcp_rare_method_by_city.toml
- rules/integrations/gcp/ml_gcp_rare_method_by_country.toml
- rules/integrations/gcp/ml_gcp_rare_method_by_user.toml
- rules/linux/discovery_docker_socket_discovery.toml
- rules/linux/discovery_kubeconfig_file_discovery.toml
- rules/linux/execution_kubectl_apply_pod_from_url.toml
- rules/linux/lateral_movement_kubeconfig_file_activity.toml
- rules/linux/persistence_kubernetes_sensitive_file_activity.toml
- rules_building_block/discovery_kubectl_workload_and_cluster_discovery.toml

(selectively cherry picked from commit 8993d1450b)
 2026-04-01 14:15:58 +00:00
Ruben Groenewoud 88c9d804fb [Rule Tuning] Linux DR Tuning - 6 (#5497) 
* [Rule Tuning] Linux DR Tuning - 6

* Fix syntax error in discovery_esxi_software_via_grep.toml

* Update discovery_pam_version_discovery.toml

* Update discovery_virtual_machine_fingerprinting.toml

* Revise investigation title for kernel module enumeration

Updated the title of the investigation section to clarify focus on unusual kernel module enumeration.

* Update discovery_port_scanning_activity_from_compromised_host.toml

* Enhance ESQL query for subnet scanning detection

Updated ESQL query to include additional fields and conditions for better analysis of connection attempts from compromised hosts.

* Remove Elastic Endgame data source from rule

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit ccd3f70ee8)
 2026-01-08 09:49:22 +00:00
Ruben Groenewoud 52d33c12b8 [Rule Tuning] Linux DR Tuning - Part 2 (#4417) 2025-01-29 10:34:13 +01:00
Mika Ayenson fe8c81d762 [FR] Generate investigation guides (#4358) 2025-01-22 11:17:38 -06:00
Ruben Groenewoud 3982228132 [Rule Tuning] Q2 Linux DR Tuning - Part 2 (#4163) 2024-10-18 16:07:09 +02:00
shashank-elastic 63e91c2f12 Back-porting Version Trimming (#3704) 2024-05-23 00:45:10 +05:30
Mika Ayenson 2c3dbfc039 Revert "Back-porting Version Trimming (#3681)" 
This reverts commit 71d2c59b5c.
 2024-05-22 13:51:46 -05:00
shashank-elastic 71d2c59b5c Back-porting Version Trimming (#3681) 2024-05-23 00:11:50 +05:30
Ruben Groenewoud 9f8638a004 [Tuning] event.action and event.type change (#3495) 
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-03-13 10:11:21 +01:00
Jonhnathan 458e67918a [Security Content] Small tweaks on the setup guides (#3308) 
* [Security Content] Small tweaks on the setup guides

* Additional Fixes

* Avoid touching deprecated rules
 2024-03-11 09:09:40 -03:00
Ruben Groenewoud ae3f4737ab [Tuning] Linux DR Tuning - Part 5 (#3456) 
* [Tuning] Linux DR Tuning - Part 6

* Update discovery_dynamic_linker_via_od.toml

* Update discovery_esxi_software_via_find.toml

* Update discovery_esxi_software_via_grep.toml

* Update discovery_linux_hping_activity.toml

* Update discovery_linux_nping_activity.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2024-03-07 09:53:46 +01:00
Ruben Groenewoud 36226e5428 [Rule Tuning] Linux DR Tuning - Part 2 (#3321) 
* [Rule Tuning] Linux DR Tuning - Part 2

* [Rule Tuning] Linux DR Tuning - Part 2

* fix

* Update execution_shell_suspicious_parent_child_revshell_linux.toml
 2024-01-08 10:07:38 +01:00
shashank-elastic d52546eee5 Enhance Setup Guide information (#3256) 2023-11-03 19:05:29 +05:30
Ruben Groenewoud 020fff3aea [Rule Tuning] Linux Rules (#3092) 
* [Rule Tuning] [WIP] Linux DR

* Update defense_evasion_binary_copied_to_suspicious_directory.toml

* Fixed tag

* Added additional tuning

* unit test fix

* Additional tuning

* tuning

* added max signals

* Added max_signals=1 to brute force rules

* Cross-Platform Tuning

* Small fix

* new_terms conversion

* typo

* new_terms conversion

* Ransomware rule tuning

* performance tuning

* new_terms conversion for auditd_manager

* tune

* Need coffee

* kql/eql stuff

* formatting improvement

* new_terms sudo hijacking conversion

* exclusion

* Deprecations that were added last tuning

* Deprecations that were added last tuning

* Increased max timespan for brute force rules

* version bump

* added domain tag

* Two tunings

* More tuning

* Additional tuning

* updated_date bump

* query optimization

* Tuning

* Readded the exclusions for this one

* Changed int comparison

* Some tunings

* Update persistence_systemd_scheduled_timer_created.toml

* Update rules/linux/privilege_escalation_ld_preload_shared_object_modif.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* [New Rule] Potential curl CVE-2023-38545 Exploitation

* Revert "[New Rule] Potential curl CVE-2023-38545 Exploitation"

This reverts commit 9c04d1b53d.

* Update rules/cross-platform/command_and_control_non_standard_ssh_port.toml

* Update rules/linux/command_and_control_cat_network_activity.toml

* Update persistence_message_of_the_day_execution.toml

* Changed max_signals

* Revert "Merge branch 'main' into rule-tuning-ongoing-dr"

This reverts commit 1106b5d2eb, reversing
changes made to 5ff510757f.

* Revertable merge

* Update defense_evasion_ld_preload_env_variable_process_injection.toml

* File name change

---------

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2023-10-23 16:28:58 +02:00
shashank-elastic 7254c582c5 Move Setup information into setup filed (#3206) 2023-10-23 19:28:18 +05:30
shashank-elastic 25b527c149 Setup information for Linux Rules - Set4 (#3179) 2023-10-17 18:59:31 +05:30
Jonhnathan 4233fef238 [Security Content] Include "Data Source: Elastic Defend" tag (#3002) 
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
 2023-09-05 14:22:01 -04:00
Ruben Groenewoud a1716bd673 [Rule Tuning] Several rule tunings (#3024) 
* [Rule Tuning] Several rule tunings

* Added 1 more

* optimized ransomware encryption rules

* Update rules/linux/impact_potential_linux_ransomware_file_encryption.toml

* Update rules/linux/impact_potential_linux_ransomware_note_detected.toml

* Added 2 more tunings based on todays telemetry

* Some tunings

* Tuning

* Tuning

* fixed user.id comparison

* Something went wrong with deprecation

* Something went wrong with deprecation

* Update rules/linux/impact_potential_linux_ransomware_file_encryption.toml

* Update rules/linux/discovery_linux_nping_activity.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

* Update rules/linux/discovery_linux_hping_activity.toml

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

* Dedeprecated the rule to deprecate later

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2023-08-25 14:03:29 +02:00
Ruben Groenewoud a7ff449fbc [Rule Tuning] Some Tunings of several 8.9 rules (#2985) 
* [Rule Tuning] Doing some quick tunings

* updated_date bump

* Update rules/linux/discovery_linux_modprobe_enumeration.toml

* Update rules/linux/discovery_linux_modprobe_enumeration.toml

* Update rules/linux/discovery_linux_sysctl_enumeration.toml

* Update rules/linux/persistence_init_d_file_creation.toml

* Update rules/linux/persistence_rc_script_creation.toml

* Update rules/linux/persistence_shared_object_creation.toml

* deprecate rule

* deprecate rule

* Update execution_abnormal_process_id_file_created.toml

* Update discovery_kernel_module_enumeration_via_proc.toml

* Update discovery_linux_modprobe_enumeration.toml

* Update execution_remote_code_execution_via_postgresql.toml

* Update discovery_potential_syn_port_scan_detected.toml

* Added 2 tunings, sorry I missed those..

* One more tune

* Update discovery_suspicious_proc_enumeration.toml
 2023-08-03 15:25:33 +02:00
Jonhnathan b4c84e8a40 [Security Content] Tags Reform (#2725) 
* Update Tags

* Bump updated date separately to be easy to revert if needed

* Update resource_development_ml_linux_anomalous_compiler_activity.toml

* Apply changes from the discussion

* Update persistence_init_d_file_creation.toml

* Update defense_evasion_timestomp_sysmon.toml

* Update defense_evasion_application_removed_from_blocklist_in_google_workspace.toml

* Update missing Tactic tags

* Update unit tests to match new tags

* Add missing IG tags

* Delete okta_threat_detected_by_okta_threatinsight.toml

* Update command_and_control_google_drive_malicious_file_download.toml

* Update persistence_rc_script_creation.toml

* Mass bump

* Update persistence_shell_activity_by_web_server.toml

* .

---------

Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
 2023-06-22 18:38:56 -03:00
Ruben Groenewoud 7d64dc2a87 [Rule tunings / New Rule] Kernel Unload and Enumeration (#2838) 
* [Rule Tunings] Kernel Module Enumeration / Removal

* [Rule Tunings] Kernel Module Enumeration and Removal

* Deleted copy of wrong file

* EQL Conversion and made the rule more resilient

* Converted rules to EQL and made rules more resilient

* Removed unwanted rule from PR

* fixed unit tests

* fixed unit testing, removed endgame support

* Added a rule to detect kernel module enum via proc

* Did some additional tuning, 0 hits in RedSector now
 2023-06-22 10:11:52 +02:00
Justin Ibarra 59da2da474 [Rule Tuning] Ensure host information is in endpoint rule queries (#2593) 
* add unit tests to ensure host type and platform are included
* add host.os.name 'linux' to all linux rules
* add host.os.name macos to mac rules
* add host.os.name to windows rules; fix linux dates
* update from host.os.name to host.os.type

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2023-03-05 11:41:19 -07:00
Jonhnathan 77c8665f11 [Rule Tuning] Add endgame support for Linux Rules (#2436) 
* [Rule Tuning] Add endgame support for Linux Rules

* [Rule Tuning] Add endgame support for Linux Rules

* .

* Update persistence_insmod_kernel_module_load.toml
 2023-01-23 20:53:15 -03:00
Terrance DeJesus 4312d8c958 [FR] Add Endpoint, APM and Windows Integration Tags to Rules and Supportability (#2429) 
* initial commit

* addressing flake errors

* added apm to _get_packagted_integrations logic

* addressed flake errors

* adjusted integration schema and updated rules to be a list

* updated several rules and removed a unit test

* updated rules with logs-* only index patterns

* Update tests/test_all_rules.py

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

* addressed flake errors

* integration is none is windows, endpoint or apm

* adding rules with accepted incoming changes from main

* fixed tag and tactic alignment errors from unit testing

* adjusted unit testing logic for integration tags; added more exclusion rules

* adjusted test_integration logic to be rule resistent and skip if -8.3

* adjusted comments for unit test skip

* fixed merge conflicts from main

* changing test_integration_tag to remove logic for rule version comparisons

* added integration tag to new rule

* adjusted rules updated_date value

* ignore guided onboarding rule in unit tests

* added integration tag to new rule

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
 2023-01-04 09:30:07 -05:00
Justin Ibarra 46d5e37b76 min_stack all rules to 8.3 (#2259) 
* min_stack all rules to 8.3

* bump date

Co-authored-by: Mika Ayenson <mika.ayenson@elastic.co>
 2022-08-24 10:38:49 -06:00
Justin Ibarra 3fc34b86f2 Update License to Elastic v2 (#944) 2021-03-03 22:12:11 -09:00
Justin Ibarra 90a9320f93 [Rule Tuning] Remove timestamp_override for endgame-* promotion rules (#951) 
* remove timestamp_override from endgame promotion rules
* updated version.lock to previous state for endgame promotion rule changes
* fix incorrect year in updated_date
 2021-02-17 13:48:57 -09:00
Justin Ibarra 61deed3fd2 [Rule Tuning] 7.11.2: Add timestamp_override to all query and non-sequence EQL rules (#948) 
* [Rule Tuning] Add timestamp_override field to 7.11.0 rules
* Lock versions for 7.11.2 rules
 2021-02-16 10:52:48 -09:00
Justin Ibarra 97ee8cc9ac Refresh beats and ecs schemas and default to use latest to validate (#570) 
* Refresh beats and ecs schemas and default to use latest to validate
* remove incorrect ecs_version from zoom rule
* remove stale ecs_version from rules
 2020-12-01 13:24:20 -09:00
Justin Ibarra f87f2a46f4 [Rule Tuning] Remove all rule timelines (#466) 2020-11-03 09:51:53 -09:00
Justin Ibarra da64bacac1 [Rule Tuning] Add timeline_title to rules with timeline IDs defined (#452) 2020-11-02 14:12:20 -09:00
Derek Ditch 580db2c13e Add timeline_id to detection rules (#95) 
* Adds timeline_id to all network rules
- Uses the ID for the 'Generic Network Timeline' from Elastic
* Adds timeline_id to all endpoint rules
- Uses the ID for the 'Generic Endpoint Timeline' from Elastic
* Adds timeline_id to all process-oriented rules
    - Uses the ID for the 'Generic Process Timeline' from Elastic
* Ran tests and toml-lint
* Bumped 'updated_date'
 2020-10-27 13:34:16 -05:00
seth-goodwin 2065af89b1 [Rule Tuning] Tag Categorization Updates (#380) 
* Add new categorization tags

* Change updated_date to 2020/10/26

Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>, @bm11100
 2020-10-26 13:50:45 -05:00
brokensound77 aec3ec31b9 Merge branch '7.9' into main 2020-08-27 15:54:44 -08:00
Justin Ibarra 79a0dfefbe Add ECS 1.6.0 schema for validation testing (#220) 
* Add ecs 1.6.0 and refresh master ecs (2.0.0)
* update rule metadata to use ecs_version 1.6.0
 2020-08-27 11:54:49 -05:00
Justin Ibarra be08536880 Increase lookback for endpoint rules (#200) 2020-08-21 12:23:43 -05:00
Brent Murphy 7efe33e01d [Rule Tuning] Update Index Pattern for Detection Engine Rules (#101) 
* [Rule Tuning] Update Index Pattern for Detection Engine Rules

* update indices
 2020-08-03 15:46:57 -04:00
Justin Ibarra 95908c22a4 Improve ECS compatibility for endpoint rules 2020-07-07 15:41:23 -06:00
Ross Wolf 5fcece8416 Populate rules/ directory. 
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com>
Co-Authored-By: Craig Chamberlain <randomuserid@users.noreply.github.com>
Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com>
Co-Authored-By: Derek Ditch <dcode@users.noreply.github.com>
Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
 2020-06-29 22:57:03 -06:00