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41 Commits

Author SHA1 Message Date
Ruben Groenewoud 473df70fbb [Rule Tuning] Linux DR Tuning - 5 (#5494) 
* [Rule Tuning] Linux DR Tuning - 5

* Fix query syntax for shared object detection rule

* Update defense_evasion_kernel_module_removal.toml

* Fix condition for process working directory check

* Refactor query in defense_evasion_symlink_binary rule

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2026-01-07 15:55:06 +01:00
Jonhnathan 0268daa17d [Rule Tuning] Tighten Up Elastic Defend Indexes - Linux (#4446) 2025-02-05 15:25:45 -03:00
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 af9f9e2456 [Rule Tuning] Q2 Linux DR Tuning - Part 1 (#4162) 
* [Rule Tuning] Q2 Linux DR Tuning - Part 1

* Update defense_evasion_binary_copied_to_suspicious_directory.toml
 2024-10-18 15:59:51 +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
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 089e6671aa [Tuning] Linux DR Tuning - Part 4 (#3455) 
* [Tuning] Linux DR Tuning - Part 4

* Update defense_evasion_file_mod_writable_dir.toml

* Update defense_evasion_hidden_file_dir_tmp.toml
 2024-02-20 15:38:54 +01:00
Ruben Groenewoud b533642272 [Rule Tuning] Linux DR Tuning - Part 1 (#3316) 
* [Rule Tuning] Linux DR Tuning - Part 1

* fix

* Update command_and_control_linux_kworker_netcon.toml

* Update defense_evasion_binary_copied_to_suspicious_directory.toml

* Update defense_evasion_file_mod_writable_dir.toml
 2024-01-08 09:50:15 +01:00
shashank-elastic d52546eee5 Enhance Setup Guide information (#3256) 2023-11-03 19:05:29 +05:30
shashank-elastic 7254c582c5 Move Setup information into setup filed (#3206) 2023-10-23 19:28:18 +05:30
shashank-elastic 15718ea09e Improve exsisting setup configurations for Linux (#3141) 2023-10-13 13:39:03 +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
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
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
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
shashank-elastic 8afded11e7 Rule tuning as part of Linux Detection Rules Review (#2170) 2022-07-29 21:55:49 +05:30
Colson Wilhoit 98d93bc21e [New Rule] Hidden so file (#2131) 
* [New Rule] Hidden Shared Object File

* [Rule Tuning] Hidden File from Tmp

* Update updated_date

* Update rules/linux/defense_evasion_hidden_shared_object.toml

* Update rules/linux/defense_evasion_hidden_shared_object.toml

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>

* Update rules/linux/defense_evasion_hidden_shared_object.toml

* Update rules/linux/defense_evasion_hidden_shared_object.toml

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2022-07-22 11:37:47 -05:00
Mika Ayenson a52751494e 2058 add setup field to metadata (#2061) 
* Convert config header to setup in note field
* Parse note field into separate setup and note field with marko gfm
* only validate and parse note on elastic authored rules and add CLI description for new DR_BYPASS_NOTE_VALIDATION_AND_PARSE environment variable

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
 2022-07-18 15:41:32 -04:00
Justin Ibarra 6bdfddac8e Expand timestamp override tests (#1907) 
* Expand timestamp_override tests
* removed timestamp_override from eql sequence rules
* add config entry for eql rules with beats index and t_o
* add timestamp_override to missing fields
 2022-04-01 15:27:08 -08:00
Justin Ibarra 5bdf70e72c Add min_stack_comments to metadata schema (#1573) 
* Add min_stack_comments to metadata schema
 2021-10-19 20:52:53 -08:00
Ross Wolf 9b559d0cd9 [Rule Tuning] Creation of Hidden Files and Directories (#1357) 
* [Rule Tuning] Creation of Hidden Files and Directories
* Remove redundant `A` from the regex
 2021-07-21 11:47:40 -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 c1a0438f45 [Rule Tuning] Update ATT&CK threat mappings to reflect changes (#706) 
* replaced/removed all revoked/deprecated techniques
* tests will fail on revoked (changed) techniques
* tests will fail on deprecated techniques
* tests will fail when techniques are mapped to an invalid tactic
 2020-12-18 12:46:16 -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