0268daa17d
[Rule Tuning] Tighten Up Elastic Defend Indexes - Linux ( #4446 )
2025-02-05 15:25:45 -03:00
1c98a0d64c
[Rule Tuning] Linux DR Tuning - Part 3 ( #4420 )
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* Initial set
* [Rule Tuning] Linux DR - Part 3
* ++
* Update execution_unusual_path_invocation_from_command_line.toml
* Update execution_unusual_path_invocation_from_command_line.toml
2025-02-03 13:17:00 +01:00
fe8c81d762
[FR] Generate investigation guides ( #4358 )
2025-01-22 11:17:38 -06:00
42f6c8f9a5
[Rule Tuning] Q2 Linux DR Tuning - Part 4 ( #4165 )
2024-10-18 17:13:44 +02:00
76fdd549a3
[Rule Tuning] Misc. DR Rule Tuning ( #3904 )
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* [Rule Tuning] Misc. DR Rule Tuning
* Update execution_unknown_rwx_mem_region_binary_executed.toml
* Update command_and_control_suspicious_network_activity_from_unknown_executable.toml
* I love KQL validation
2024-07-19 15:13:42 +02:00
63e91c2f12
Back-porting Version Trimming ( #3704 )
2024-05-23 00:45:10 +05:30
2c3dbfc039
Revert "Back-porting Version Trimming ( #3681 )"
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This reverts commit 71d2c59b5c
2024-05-22 13:51:46 -05:00
71d2c59b5c
Back-porting Version Trimming ( #3681 )
2024-05-23 00:11:50 +05:30
458e67918a
[Security Content] Small tweaks on the setup guides ( #3308 )
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* [Security Content] Small tweaks on the setup guides
* Additional Fixes
* Avoid touching deprecated rules
2024-03-11 09:09:40 -03:00
08f946b394
[Tuning] Linux DR Tuning - Part 8 ( #3460 )
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* [Tuning] Linux DR Tuning - Part 8
* Update impact_esxi_process_kill.toml
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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
2024-03-07 11:01:08 +01:00
d52546eee5
Enhance Setup Guide information ( #3256 )
2023-11-03 19:05:29 +05:30
020fff3aea
[Rule Tuning] Linux Rules ( #3092 )
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* [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
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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
7254c582c5
Move Setup information into setup filed ( #3206 )
2023-10-23 19:28:18 +05:30
5a98208b53
Setup information for Linux Rules - Set6 ( #3189 )
2023-10-17 19:33:07 +05:30
4233fef238
[Security Content] Include "Data Source: Elastic Defend" tag ( #3002 )
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* 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
a1716bd673
[Rule Tuning] Several rule tunings ( #3024 )
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* [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
a7ff449fbc
[Rule Tuning] Some Tunings of several 8.9 rules ( #2985 )
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* [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
3ed8c56942
DR Linux Rule Tuning 8.9 ( #2859 )
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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
2023-07-10 20:02:42 +05:30
b4c84e8a40
[Security Content] Tags Reform ( #2725 )
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* 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
9ebffb44ff
[New Rules] Ransomware Encryption & Note Creation ( #2652 )
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* [New Rules] Ransomware Encryption & Note Creation
* changed description
* Update rules/linux/impact_potential_linux_ransomware_file_encryption.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/impact_potential_linux_ransomware_file_encryption.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
* Update rules/linux/impact_potential_linux_ransomware_note_detected.toml
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
2023-05-16 11:30:00 +02:00
Jonhnathan