Commit Graph

24 Commits

Author SHA1 Message Date
Samirbous 3726611b93 [Tuning] Top Noisy Rules (#5449)
* [Tuning] Windows BruteForce Rules Tuning

#1 Multiple Logon Failure from the same Source Address: converted to ES|QL and raised the threshold to 100 failed auths, alert quality should be better since it aggregates all failed auths info into one alert vs multiple EQL matches. (expected reduction more than 50%)

#2 Privileged Account Brute Force - coverted to ESQL and set the threshold to 50 in a minute. this should drop noise volume by more than 50%.

* ++

* Update execution_shell_evasion_linux_binary.toml

* Update execution_shell_evasion_linux_binary.toml

* Update defense_evasion_indirect_exec_forfiles.toml

* Update lateral_movement_remote_file_copy_hidden_share.toml

* Update lateral_movement_remote_file_copy_hidden_share.toml

* Update persistence_service_windows_service_winlog.toml

* Update credential_access_lsass_openprocess_api.toml

* Update persistence_suspicious_scheduled_task_runtime.toml

* Update impact_hosts_file_modified.toml

* Update defense_evasion_process_termination_followed_by_deletion.toml

* Update rules/windows/credential_access_lsass_openprocess_api.toml

* Update rules/windows/credential_access_bruteforce_admin_account.toml

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

* Update rules/windows/credential_access_lsass_openprocess_api.toml

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

* Update rules/windows/credential_access_bruteforce_multiple_logon_failure_same_srcip.toml

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

* Update credential_access_lsass_openprocess_api.toml

* Update impact_hosts_file_modified.toml

* Update credential_access_dollar_account_relay.toml

* Update credential_access_new_terms_secretsmanager_getsecretvalue.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2025-12-12 14:28:12 +00:00
Jonhnathan 8b74ba7136 [Rule Tuning] Remove host.os.type Unit Test Exception (#5317) 2025-11-14 08:46:24 -08:00
shashank-elastic e8c54169a4 Prep main for 9.1 (#4555)
* Prep for Release 9.1

* Update Patch Version

* Update Patch version

* Update Patch version
2025-03-26 11:04:14 -04:00
Jonhnathan c0f12ddecf [Rule Tuning] Tighten Up Windows EventLog Indexes, Improve tags (#4464)
* [Rule Tuning] Tighten Up Windows EventLog Indexes, Improve tags

* Format & order

* Update pyproject.toml

* Update credential_access_cookies_chromium_browsers_debugging.toml
2025-02-19 12:54:31 -03:00
shashank-elastic 818467f132 Replace master doc URLs with current (#4439) 2025-02-03 21:27:50 +05:30
Jonhnathan 2c07e88c07 [Rule Tuning] Fix double bumps caused by Windows Integration Update (#4156) 2024-10-15 23:57:44 +05:30
Jonhnathan f5069763b6 [Rule Tuning] Add System tag to DRs (#3968)
* [Rule Tuning] Add System tag to DRs

* bump
2024-08-09 11:14:33 -03:00
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
Ali Alwashali f500cec497 fixing typo in 127.0.0.1 address (#3004) 2023-08-08 17:06:26 +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
Jonhnathan 05aac4f371 [Security Content] Add Investigation Guides to Windows rules (#2678)
* [Security Content] Add Investigation Guides to Windows rules

* Update privilege_escalation_service_control_spawned_script_int.toml

* Update execution_reverse_shell_via_named_pipe.toml

* Apply suggestions from code review

Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>

* Apply suggestions from code review

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

* Update execution_command_prompt_connecting_to_the_internet.toml

---------

Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com>
Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
2023-05-26 10:25:41 -03:00
Jonhnathan d017156454 [Rule Tuning] Make Rules Compatible with Windows Forwarded Logs (#2761)
* [Proposal] [Rule Tuning] Make Intended rules compatible with Windows Forwarded Logs

* Update tests/test_all_rules.py

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

* Update test_all_rules.py

* Update test_all_rules.py

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2023-05-15 20:31:59 -03:00
Jonhnathan 5aaac84f3a [Rule Tuning] Suspicious service was installed in the system (#2693)
* [Rule Tuning] Suspicious service was installed in the system

* Update persistence_service_windows_service_winlog.toml
2023-04-05 13:23:47 -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
Mika Ayenson 1784429aa7 [FR] Add Integration Schema Query Validation (#2470) 2023-02-02 16:22:44 -05:00
Samirbous 7fe08e7856 Update persistence_service_windows_service_winlog.toml (#2516) 2023-02-01 14:34:30 +00:00
Jonhnathan 9981cca275 [Security Content] Investigation Guides Line breaks refactor (#2454)
* [Security Content] Investigation Guides Line breaks refactor (#2412)

* [Security Content] Investigation Guides Line break refactor

* undo updated_date bump on deprecated rules

* Remove duplicated key

* Remove changes to deprecated rules

* Update command_and_control_certutil_network_connection.toml
2023-01-09 13:28:10 -03:00
Terrance DeJesus b1a689b6fd Revert "[Security Content] Investigation Guides Line breaks refactor (#2412)" (#2453)
This reverts commit d1481e1a88.
2023-01-09 10:44:54 -05:00
Jonhnathan d1481e1a88 [Security Content] Investigation Guides Line breaks refactor (#2412)
* [Security Content] Investigation Guides Line break refactor

* undo updated_date bump on deprecated rules

* Remove duplicated key
2023-01-09 11:56:39 -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
Jonhnathan 9c1bd50a63 [Rule Tuning] Adjust Index Pattern on Windows rules to support WEF (#2438)
* [Rule Tuning] Adjust Index Pattern on Windows rules to support WEF

* s/host.id/winlog.computer_name
2022-12-21 11:30:04 -03:00
Samirbous b1ddfb11d4 [New Rule] Windows Services - winlog (#2280)
* [New Rule] Windows Services - winlog

https://github.com/elastic/detection-rules/issues/2164 (T1543.003 - Windows Service)

- remote windows service (4624,4697)
- suspicious windows service imagepath (7045, 4697) : cmd, powershell etc.

* added winlog.logon.type (keyword)

* Update non-ecs-schema.json

* Update persistence_service_windows_service_winlog.toml

* Update non-ecs-schema.json

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2022-11-16 10:08:02 +00:00