Commit Graph

8 Commits

Author SHA1 Message Date
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

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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

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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
Ruben Groenewoud 056db6003e [Security Content] Added Compatibility note to all IGs (#2943)
* added investigation guide note

* added ig notes

* Update rules/linux/persistence_init_d_file_creation.toml

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

* implemented note feedback

* Update rules/linux/persistence_init_d_file_creation.toml

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

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Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
2023-07-26 12:54:50 +02:00
Ruben Groenewoud 8de2684498 [Security Content] Add Investigation Guides to Linux DRs 8.9 (#2868)
* [Investigation Guide] 10 new Linux IG's 8.9

* Added 4 more IG tags

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_rc_script_creation.toml

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

* Update rules/linux/persistence_rc_script_creation.toml

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

* Update rules/linux/persistence_systemd_scheduled_timer_created.toml

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

* Update rules/linux/persistence_systemd_scheduled_timer_created.toml

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

* Update rules/linux/persistence_systemd_scheduled_timer_created.toml

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

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_linux_backdoor_user_creation.toml

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

* Update rules/linux/persistence_linux_backdoor_user_creation.toml

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

* Update rules/linux/persistence_linux_backdoor_user_creation.toml

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

* Update rules/linux/persistence_linux_shell_activity_via_web_server.toml

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

* Update rules/linux/persistence_linux_user_account_creation.toml

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

* Update rules/linux/persistence_linux_user_added_to_privileged_group.toml

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

* Update rules/linux/persistence_message_of_the_day_creation.toml

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

* Update rules/linux/persistence_message_of_the_day_creation.toml

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

* Update rules/linux/persistence_message_of_the_day_creation.toml

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

* Update rules/linux/persistence_message_of_the_day_execution.toml

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

* Update rules/linux/persistence_message_of_the_day_execution.toml

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

* Update rules/linux/persistence_rc_script_creation.toml

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

* Update rules/linux/persistence_rc_script_creation.toml

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

* Update rules/linux/persistence_rc_script_creation.toml

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

* Update rules/linux/persistence_message_of_the_day_execution.toml

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_init_d_file_creation.toml

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

* Update rules/linux/persistence_linux_shell_activity_via_web_server.toml

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

* Update rules/linux/persistence_rc_script_creation.toml

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

* Update rules/linux/persistence_systemd_scheduled_timer_created.toml

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

* Update rules/linux/persistence_systemd_scheduled_timer_created.toml

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

* implemented feedback

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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Benjamin Ironside Goldstein <91905639+benironside@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
2023-07-19 17:13:24 +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

* .

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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 71186c8788 [Rule Tuning] Potential Persistence Through Run Control Detected (#2857)
* [Rule Tuning] changed rule type to new_terms

* Updated min stack comment

* Update persistence_rc_script_creation.toml

* Changed description, removed file.path from new_terms field because it is not necessary

* added host.id to new terms field and bumped up min stack
2023-06-22 13:39:36 +02:00
Ruben Groenewoud f52a744259 [New Rule] RC Script Creation (#2607)
* [New Rule] RC Script Creation

* fixed unit testing error

* Update rules/linux/persistence_rc_script_creation.toml

* Update rules/linux/persistence_rc_script_creation.toml

* Update rules/linux/persistence_rc_script_creation.toml

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>

* added host.os.type==linux

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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2023-03-14 15:03:41 -04:00