 shashank-elastic
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d52546eee5
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Enhance Setup Guide information (#3256)
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2023-11-03 19:05:29 +05:30 |
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Ruben Groenewoud
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020fff3aea
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[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>
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2023-10-23 16:28:58 +02:00 |
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shashank-elastic
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7254c582c5
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Move Setup information into setup filed (#3206)
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2023-10-23 19:28:18 +05:30 |
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shashank-elastic
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5a98208b53
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Setup information for Linux Rules - Set6 (#3189)
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2023-10-17 19:33:07 +05:30 |
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Jonhnathan
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4233fef238
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[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>
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2023-09-05 14:22:01 -04:00 |
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Ruben Groenewoud
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a1716bd673
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[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>
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2023-08-25 14:03:29 +02:00 |
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Ruben Groenewoud
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a7ff449fbc
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[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
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2023-08-03 15:25:33 +02:00 |
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Ruben Groenewoud
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056db6003e
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[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>
---------
Co-authored-by: Nastasha Solomon <79124755+nastasha-solomon@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
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2023-07-26 12:54:50 +02:00 |
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Ruben Groenewoud
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8de2684498
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[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>
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2023-07-19 17:13:24 +02:00 |
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Jonhnathan
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b4c84e8a40
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[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>
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2023-06-22 18:38:56 -03:00 |
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Ruben Groenewoud
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26258f806a
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[New Rules] Persistence through MOTD (#2608)
* [New Rules] Persistence through MOTD
* fixed unit error test by adding timestamp_override
* Update rules/linux/persistence_message_of_the_day_execution.toml
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
* added host.os.type == "linux"
* removed ability to bypass chmod by using e.g. 700
* Added endgame support, changed query
* Changed query
* updated risk_score
* added OSQuery to investigation guides
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
* removed investigation guides to add in future PR
* removed investigation guide tag
* Changed rule to new terms rule for FP reduction
* Update rules/linux/persistence_message_of_the_day_creation.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
---------
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
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2023-05-05 10:29:15 +02:00 |
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