Commit Graph

14 Commits

Author SHA1 Message Date
Mika Ayenson fe8c81d762 [FR] Generate investigation guides (#4358) 2025-01-22 11:17:38 -06:00
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
Ruben Groenewoud 36226e5428 [Rule Tuning] Linux DR Tuning - Part 2 (#3321)
* [Rule Tuning] Linux DR Tuning - Part 2

* [Rule Tuning] Linux DR Tuning - Part 2

* fix

* Update execution_shell_suspicious_parent_child_revshell_linux.toml
2024-01-08 10:07:38 +01:00
Ruben Groenewoud 84824c67fd [Tuning & New Rule] Linux Reverse Shell & DR Tuning (#3254)
* [Rule Tuning & New Rule] Linux Reverse Shell

* [Tuning & New Rule] Linux Reverse Shells

* Name change

* Update rules/linux/execution_shell_via_child_tcp_utility_linux.toml

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>

* Update execution_shell_via_child_tcp_utility_linux.toml

* Update execution_shell_via_background_process.toml

---------

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
2023-12-18 09:36:21 +01:00
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 2a48db0598 Setup information for Linux Rules - Set5 (#3188) 2023-10-17 19:11:20 +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 dbd7ed65a9 [Tuning] Reverse Shell Rules (#2959)
* [Rule Tuning] Reverse Shell Rule destination.ip tuning

* Updated updated_date
2023-07-25 14:55:56 +02:00
Ruben Groenewoud 646c316b66 [New Rules] Linux Reverse Shells (#2905)
* [New Rules] Linux Reverse Shells

* [New Rules] Linux Reverse Shells

* Update rules/linux/execution_shell_via_udp_cli_utility_linux.toml

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

* Update rules/linux/execution_shell_via_java_revshell_linux.toml

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

* Update rules/linux/execution_shell_via_java_revshell_linux.toml

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

* Update rules/linux/execution_shell_via_java_revshell_linux.toml

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

* Update rules/linux/execution_shell_suspicious_parent_child_revshell_linux.toml

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

* Update rules/linux/execution_shell_via_udp_cli_utility_linux.toml

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

* Update rules/linux/execution_shell_via_udp_cli_utility_linux.toml

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

* Update rules/linux/execution_shell_via_reverse_tcp_utility_linux.toml

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

* Update rules/linux/execution_shell_via_reverse_tcp_utility_linux.toml

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

* Update rules/linux/execution_shell_suspicious_parent_child_revshell_linux.toml

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

* Update rules/linux/execution_shell_suspicious_parent_child_revshell_linux.toml

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

* Delete UDP rule to add in separate PR

* Update rules/linux/execution_shell_via_lolbin_interpreter_linux.toml

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

* Update rules/linux/execution_shell_via_tcp_cli_utility_linux.toml

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

* Update rules/linux/execution_shell_via_reverse_tcp_utility_linux.toml

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

* Update rules/linux/execution_shell_via_tcp_cli_utility_linux.toml

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

* Update rules/linux/execution_shell_via_tcp_cli_utility_linux.toml

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

* Deleted one rule and tuned the others

* Improved the rules' performance

* Added the reverse_tcp rule back after tuning

* Update execution_shell_via_lolbin_interpreter_linux.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2023-07-06 15:27:57 +02:00