security-tools/sigma-rules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
2,525 Commits 1 Branch 0 Tags
447fce3b0898cf50b54e62af05a1388899ea6db2
Commit Graph

29 Commits

Author SHA1 Message Date
Mika Ayenson b80d8342d6 [Docs | Rule Tuning] Add blog references to rules (#4097) 
* [Docs | Rule Tuning] Add blog references to rules

* Apply suggestions from code review

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

* Apply suggestions from code review

* Update google_workspace blog references

* add okta blog references

* Update dates

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-09-25 15:19:20 -05:00
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
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 9c04d1b53d3d63678289f43ec0c7b617d26f1ce0.

* 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 1106b5d2eba1a3529eff325226d6baabfd4b0bf3, reversing
changes made to 5ff510757f25b0cb32e1ef18e9e2c34c8ec325a8.

* 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 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 6115a68aba [Rule Tuning] Small Linux DR Tuning (#3074) 
* [Rule tuning] Adressing community issue

* Changed title

* Changed IG title
 2023-09-05 14:20:57 +02:00
Ruben Groenewoud 4cbfd7c4ae [Rule Tuning] Restricted Shell Breakout (#2999) 2023-08-04 19:30:18 +02:00
shashank-elastic 3ed8c56942 DR Linux Rule Tuning 8.9 (#2859) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2023-07-10 20:02:42 +05:30
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
shashank-elastic 2705df81e2 Tune Shell evasion Rule to incorporate GTFOArgs shell evasion (#2687) 2023-04-20 18:35:18 +05:30
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 8e02c60ef6 [Rule Tuning] Enclose Rule Conditions within Parenthesis (#2486) 2023-01-31 16:56:19 -03:00
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
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
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 19d9a7eb87 Rule tuning as part of Linux Detection Rules Review (#2210) 2022-08-02 17:46:57 +05:30
shashank-elastic 8afded11e7 Rule tuning as part of Linux Detection Rules Review (#2170) 2022-07-29 21:55:49 +05:30
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
shashank-elastic 98a85ddcee Linux binary(s) ftp shell evasion threat (#2007) 
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2022-06-01 22:07:52 +05:30
shashank-elastic fd7a6d63b0 [Rule tuning] Linux binary(s) shell evasion threat 
* Linux binary(s) git shell evasion threat
 2022-05-25 19:21:08 +05:30
shashank-elastic 51b2d9da4b [Rule tuning] Linux binary(s) shell evasion threat (#1957) 
* Linux binary(s) shell evasion threat

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2022-05-25 08:32:53 +05:30