security-tools/sigma-rules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
1,956 Commits 1 Branch 0 Tags
5cc02b9bc466403fadcebd4f3ceba2d705463e9f
Commit Graph

1410 Commits

Author SHA1 Message Date
Samirbous 5cc02b9bc4 [Tuning] Connection to Commonly Abused Web Services (#3587) 
excluding top noisy patterns :

- Microsoft signed binaries connecting to graph.microsoft.com and sharepoint.com
- Slack, Dropbox and other signed binaries.
- github.com (removed), most abused is rawgithub dns.question.name for ingress-script/payload download

(cherry picked from commit 9692e59abb)
 2024-04-11 11:18:08 +00:00
Jonhnathan 591ce49694 [Rule Tuning] Svchost spawning Cmd (#3578) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit aa0cc42ff6)
 2024-04-08 10:57:07 +00:00
Mirko Bez 2812118000 Add filebeat-* index pattern to rules based on system.auth dataset (#3561) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit 153657029b)
 2024-04-03 09:35:17 +00:00
shashank-elastic 7438c38b29 Fix minstack version for O365 prod rules (#3565) 
(cherry picked from commit 0e2eb5a84c)
 2024-04-02 16:12:24 +00:00
Jonhnathan a3ba0fcda3 [Rule Tuning] First Time Seen Commonly Abused Remote Access Tool Execution (#3545) 
* [Rule Tuning] First Time Seen Commonly Abused Remote Access Tool Execution

* Update command_and_control_new_terms_commonly_abused_rat_execution.toml

* Update command_and_control_new_terms_commonly_abused_rat_execution.toml

* Update command_and_control_new_terms_commonly_abused_rat_execution.toml

* Update rules/windows/command_and_control_new_terms_commonly_abused_rat_execution.toml

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

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>

(cherry picked from commit 4ab7c9b178)
 2024-04-02 14:13:37 +00:00
Samirbous 010e564256 [Tuning] Connection to Commonly Abused Web Services (#3425) 
* Update command_and_control_common_webservices.toml

* Update command_and_control_common_webservices.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit 69173872da)
 2024-04-02 13:48:50 +00:00
Samirbous ece5175894 [New Rule] Suspicious Access to LDAP Attributes (#2504) 
* Create discovery_high_number_ad_properties.toml

* Update discovery_high_number_ad_properties.toml

* Update rules/windows/discovery_high_number_ad_properties.toml

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

* Update rules/windows/discovery_high_number_ad_properties.toml

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

* fixed tags; moved note to setup, updated date

* Update discovery_high_number_ad_properties.toml

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>

(cherry picked from commit f025616cbd)
 2024-04-02 13:04:54 +00:00
Jonhnathan 36c6968d71 [Rule Tuning] Potential Application Shimming via Sdbinst (#3553) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit c781376188)
 2024-04-02 09:42:16 +00:00
Samirbous d00325f432 [New] Potential Execution via XZBackdoor (#3555) 
* [New] Potential Execution via XZBackdoor

* Update rules/linux/persistence_suspicious_ssh_execution_xzbackdoor.toml

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

* Update rules/linux/persistence_suspicious_ssh_execution_xzbackdoor.toml

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

* Update persistence_suspicious_ssh_execution_xzbackdoor.toml

* Update persistence_suspicious_ssh_execution_xzbackdoor.toml

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

(cherry picked from commit f2490007e8)
 2024-04-02 04:22:04 +00:00
Jonhnathan 4eac68bb07 [Rule Tuning] Tighten up Indexes of Elastic Defend Windows Rules (#3549) 
* [Rule Tuning] Tighten up Indexes of Elastic Defend Windows Rules

* Delete test.pkl

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

(cherry picked from commit b47b91b9ec)
 2024-04-01 23:52:07 +00:00
Jonhnathan 9cba1e96e6 [Rule Tuning] Replace KQL exceptions for Query DSL Exceptions (#3505) 
* [Rule Tuning] Replace KQL exceptions for Query DSL Exceptions

* update min_stack

* build out schema in more detail for Filters

* Update detection_rules/rule.py

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

* Remove enum for definition

* remove unused import

* remove $state store

* transform state

* add call to super

* add return type hint

* use dataclass metadata

* use Literal type

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Mika Ayenson <Mika.ayenson@elastic.co>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

Removed changes from:
- rules/windows/collection_mailbox_export_winlog.toml
- rules/windows/collection_posh_clipboard_capture.toml
- rules/windows/defense_evasion_posh_assembly_load.toml
- rules/windows/defense_evasion_posh_compressed.toml
- rules/windows/discovery_posh_suspicious_api_functions.toml
- rules/windows/discovery_privileged_localgroup_membership.toml
- rules/windows/execution_posh_hacktool_functions.toml
- rules/windows/execution_posh_psreflect.toml
- rules_building_block/collection_posh_compression.toml
- rules_building_block/defense_evasion_powershell_clear_logs_script.toml
- rules_building_block/discovery_posh_generic.toml
- rules_building_block/lateral_movement_posh_winrm_activity.toml

(selectively cherry picked from commit 67ca13c1ce)
 2024-04-01 20:52:24 +00:00
Susan 390cb8e2d1 Update setup guide for ML integration packages (#3475) 
* Add more detail to ingest pipeline install

* Add more info to anomaly detection setup

* Update draft

* Fix typo

* Bulk add doc updates

* Update rules/integrations/problemchild/defense_evasion_ml_rare_process_for_a_host.toml

Co-authored-by: Kirti Sodhi <109447885+sodhikirti07@users.noreply.github.com>

* Address Kseniia feedback

* Update updated_date per review feedback

---------

Co-authored-by: Kirti Sodhi <109447885+sodhikirti07@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>

(cherry picked from commit 400a84628e)
 2024-04-01 19:09:37 +00:00
Terrance DeJesus 92c5b6ad1b [Rule Deprecation] Deprecate Remote File Creation on a Sensitive Directory (#3477) 
* deprecating

* adjusted matury tag; updated dates

(cherry picked from commit d4bf04256d)
 2024-04-01 15:08:08 +00:00
Jonhnathan 24d4cdaf5d [New Rules] Potential PowerShell Pass-the-Hash/Relay Script (#3543) 
* [New Rules] Potential PowerShell Pass-the-Hash/Relay Script

* Update credential_access_posh_relay_tools.toml

* Update execution_posh_hacktool_functions.toml

* Update credential_access_posh_relay_tools.toml

* Update credential_access_posh_relay_tools.toml

---------

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

(cherry picked from commit 218c3bead6)
 2024-03-28 10:15:17 +00:00
Jonhnathan f217aed00d [New Rule] Creation of a DNS-Named Record (#3539) 
* [New Rule] Creation of a DNS-Named Record

* Update credential_access_dnsnode_creation.toml

* Update rules/windows/credential_access_dnsnode_creation.toml

(cherry picked from commit 954a93c3b4)
 2024-03-27 21:27:49 +00:00
Jonhnathan fff1170ffc [New Rule] Potential ADIDNS Poisoning via Wildcard Record Creation (#3535) 
* [New Rule] Potential ADIDNS Poisoning via Wildcard Record Creation

* Update credential_access_adidns_wildcard.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit 67e9ebf8e1)
 2024-03-27 13:14:33 +00:00
Samirbous 09b2ff76a9 [New] Suspicious Execution via ScreenConnect (#3541) 
* [New] Suspicious Execution via ScreenConnect

- Suspicious ScreenConnect Client Child Process (limited to known suspicious patterns)
- ScreenConnect Server Spawning Suspicious Processes (webshell access via ScreenConnect server)

* Update command_and_control_screenconnect_childproc.toml

* Update rules/windows/initial_access_webshell_screenconnect_server.toml

* Update rules/windows/command_and_control_screenconnect_childproc.toml

* Update rules/windows/command_and_control_screenconnect_childproc.toml

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

* Update command_and_control_screenconnect_childproc.toml

* Update command_and_control_screenconnect_childproc.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

(cherry picked from commit d7aff43621)
 2024-03-27 12:01:14 +00:00
ALEXANDER MA COTE 28b6e2c042 fix typo in lateral_movement_remote_services.toml (#3538) 
(cherry picked from commit 138447221f)
 2024-03-27 10:45:46 +00:00
Ruben Groenewoud 155ac20303 [Rule Tuning] Scheduled Task Activity via pwsh (#3534) 
(cherry picked from commit 760b99bcc1)
 2024-03-26 13:52:17 +00:00
Samirbous 9fa3292200 [New] Suspicious JetBrains TeamCity Child Process (#3532) 
* [New] Suspicious JetBrains TeamCity  Child Process

* Update initial_access_exploit_jetbrains_teamcity.toml

* Update initial_access_exploit_jetbrains_teamcity.toml

* Update initial_access_exploit_jetbrains_teamcity.toml

* Update initial_access_exploit_jetbrains_teamcity.toml

(cherry picked from commit fc76a8bcb5)
 2024-03-25 16:39:58 +00:00
Jonhnathan 7f3799319d [New Rules] Veeam Credential Access DRs (#3516) 
* [New Rules] Veeam Credential Access DRs

* bump

* Update credential_access_veeam_commands.toml

* Update credential_access_veeam_backup_dll_imageload.toml

* Update rules/windows/credential_access_veeam_backup_dll_imageload.toml

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

* Update credential_access_veeam_commands.toml

* Update rules/windows/credential_access_veeam_backup_dll_imageload.toml

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@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>

(cherry picked from commit 779fa7710d)
 2024-03-21 13:08:44 +00:00
Ruben Groenewoud ce984b8531 [Rule Tuning] Potential Reverse Shell via UDP (#3508) 
(cherry picked from commit a6028b43b3)
 2024-03-21 12:55:46 +00:00
Mika Ayenson 32ed8f141d [Rule Tuning] SMTP on Port 26/TCP (#3521) 
(cherry picked from commit 07abc19932)
 2024-03-19 21:02:22 +00:00
Terrance DeJesus b19541f0f8 [Rule Tuning] Tuning 'First Time Seen AWS Secret Value Accessed in Secrets Manager' (#3494) 
* tuning 'First Time Seen AWS Secret Value Accessed in Secrets Manager'

* reverting lookback window

* missing word in description

(cherry picked from commit f6e79944f2)
 2024-03-15 23:16:44 +00:00
Jonhnathan 18a34a15ff [Rule Tuning] Guided Onboarding Rule (#3502) 
* [Rule Tuning] Guided Onboarding Rule

* Update guided_onboarding_sample_rule.toml

* Revert "Update guided_onboarding_sample_rule.toml"

This reverts commit 18721277df7416534440a4708fa3b060f2775a27.

* Update guided_onboarding_sample_rule.toml

* Update guided_onboarding_sample_rule.toml

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

(cherry picked from commit c610e19114)
 2024-03-14 14:04:20 +00:00
Ruben Groenewoud 9f234eecc7 [New Rules] mprotect() RWX Binary Execution (#3507) 
* [New Rules] mprotect() RWX Binary Execution

* Added rule names

* Update execution_netcon_from_rwx_mem_region_binary.toml

* Update execution_unknown_rwx_mem_region_binary_executed.toml

* Update execution_unknown_rwx_mem_region_binary_executed.toml

* Update execution_netcon_from_rwx_mem_region_binary.toml

* Update execution_netcon_from_rwx_mem_region_binary.toml

(cherry picked from commit 4179180fcb)
 2024-03-13 21:17:57 +00:00
Jonhnathan b43003c3f1 [Rule Tuning] Improve Compatibility in WIndows Detection Rules - Part 1 (#3501) 
* Initial commit

* Date bump

(cherry picked from commit f5254f3b5e)
 2024-03-13 13:32:43 +00:00
Ruben Groenewoud 578e86eeae [Tuning] event.action and event.type change (#3495) 
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

Removed changes from:
- rules/linux/discovery_process_capabilities.toml
- rules/linux/privilege_escalation_enlightenment_window_manager.toml
- rules/linux/privilege_escalation_gdb_sys_ptrace_elevation.toml
- rules/linux/privilege_escalation_gdb_sys_ptrace_netcon.toml
- rules/linux/privilege_escalation_suspicious_chown_fowner_elevation.toml
- rules/linux/privilege_escalation_suspicious_uid_guid_elevation.toml
- rules_building_block/discovery_capnetraw_capability.toml
- rules_building_block/persistence_cap_sys_admin_added_to_new_binary.toml

(selectively cherry picked from commit 9f8638a004)
 2024-03-13 09:16:15 +00:00
Jonhnathan b1989a921b [Security Content] Small tweaks on the setup guides (#3308) 
* [Security Content] Small tweaks on the setup guides

* Additional Fixes

* Avoid touching deprecated rules

Removed changes from:
- rules/integrations/beaconing/command_and_control_beaconing.toml
- rules/integrations/beaconing/command_and_control_beaconing_high_confidence.toml
- rules/linux/discovery_process_capabilities.toml
- rules/linux/privilege_escalation_dac_permissions.toml
- rules/linux/privilege_escalation_enlightenment_window_manager.toml
- rules/linux/privilege_escalation_gdb_sys_ptrace_elevation.toml
- rules/linux/privilege_escalation_gdb_sys_ptrace_netcon.toml
- rules/linux/privilege_escalation_suspicious_chown_fowner_elevation.toml
- rules/linux/privilege_escalation_suspicious_uid_guid_elevation.toml
- rules_building_block/discovery_capnetraw_capability.toml
- rules_building_block/persistence_cap_sys_admin_added_to_new_binary.toml

(selectively cherry picked from commit 458e67918a)
 2024-03-11 12:14:53 +00:00
Jonhnathan 5cec5b7f31 [Rule Tuning] DR Performance-Poor Rules (#3399) 
* [Rule Tuning] DR Performance

* .

* Update rules/cross-platform/lateral_movement_remote_file_creation_in_sensitive_directory.toml

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

* Update rules/windows/persistence_registry_uncommon.toml

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

* Update lateral_movement_remote_file_creation_in_sensitive_directory.toml

* Update lateral_movement_remote_file_creation_in_sensitive_directory.toml

* Update persistence_startup_folder_scripts.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>

(cherry picked from commit edf4da8526)
 2024-03-11 11:55:35 +00:00
Leandro Maciel 4d071fe48d fix: correct the provider for the create, delete and modify routes in EC2 VPCs (#3500) 
(cherry picked from commit 709cfddcbe)
 2024-03-08 19:07:01 +00:00
Ruben Groenewoud 7c37deafc8 [Tuning] Linux Cross-Platform Tuning - Part 1 (#3468) 
* [Tuning] Linux Cross-Platform Tuning - Part 1

* Update defense_evasion_deletion_of_bash_command_line_history.toml

* Update defense_evasion_deletion_of_bash_command_line_history.toml

* Update defense_evasion_deletion_of_bash_command_line_history.toml

* Update defense_evasion_deletion_of_bash_command_line_history.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit a438052ff3)
 2024-03-07 17:25:49 +00:00
Ruben Groenewoud 2faa844301 [Tuning] Linux DR Tuning - Part 12 (#3464) 
* [Tuning] Linux DR Tuning - Part 12

* Update persistence_shared_object_creation.toml

* Update privilege_escalation_dac_permissions.toml

* Update privilege_escalation_enlightenment_window_manager.toml

* Update privilege_escalation_enlightenment_window_manager.toml

* Min stack rule-bending test

* formatting fix

* Revert "Merge branch 'linux-dr-tuning-12' of https://github.com/elastic/detection-rules into linux-dr-tuning-12"

This reverts commit 0170cddd905b4b983f8413eebbc11c9c7b3719ce, reversing
changes made to 29d4a747603faf0ac7c2d502786533b0cd93a5d5.

* Revert "Min stack rule-bending test"

This reverts commit 29d4a747603faf0ac7c2d502786533b0cd93a5d5.

* Update privilege_escalation_enlightenment_window_manager.toml

* Update privilege_escalation_chown_chmod_unauthorized_file_read.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

Removed changes from:
- rules/linux/privilege_escalation_dac_permissions.toml

(selectively cherry picked from commit 9c4ba4559d)
 2024-03-07 17:14:43 +00:00
Ruben Groenewoud e18bf43532 [Tuning] Linux BBR Tuning - Part 1 (#3469) 
* [Tuning] Linux BBR Tuning - Part 1

* [Tuning] Linux BBR Tuning - Part 1

* Update defense_evasion_processes_with_trailing_spaces.toml

* Update defense_evasion_processes_with_trailing_spaces.toml

* One more tuning

* Update collection_linux_suspicious_clipboard_activity.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit 3fd0358b73)
 2024-03-07 16:24:05 +00:00
Ruben Groenewoud 42dc87f2fb [Tuning] Linux DR Tuning - Part 14 (#3467) 
* [Tuning] Linux DR Tuning - Part 14

* Update privilege_escalation_sudo_cve_2019_14287.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit ed4a7fc15b)
 2024-03-07 15:50:43 +00:00
Ruben Groenewoud a4af210ce5 [Tuning] Linux DR Tuning - Part 13 (#3465) 
* [Tuning] Linux DR Tuning - Part 13

* updated date bump

* Update privilege_escalation_load_and_unload_of_kernel_via_kexec.toml

* Update privilege_escalation_netcon_via_sudo_binary.toml

* Update privilege_escalation_load_and_unload_of_kernel_via_kexec.toml

* Update rules/linux/privilege_escalation_shadow_file_read.toml

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

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>

(cherry picked from commit 60fda8d756)
 2024-03-07 15:33:19 +00:00
Ruben Groenewoud 3c1ecce6dc [Tuning] Linux DR Tuning - Part 11 (#3463) 
* [Tuning] Linux DR Tuning - Part 11

* Update persistence_message_of_the_day_creation.toml

* Update persistence_message_of_the_day_execution.toml

* Update rules/linux/persistence_message_of_the_day_execution.toml

* Update persistence_linux_user_added_to_privileged_group.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit ef66c57030)
 2024-03-07 11:25:29 +00:00
Ruben Groenewoud 5506f1bb26 [Tuning] Linux DR Tuning - Part 10 (#3462) 
* [Tuning] Linux DR Tuning - Part 10

* updated_date bump

* Update persistence_kworker_file_creation.toml

* Update persistence_linux_backdoor_user_creation.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit a76a3755d9)
 2024-03-07 10:49:53 +00:00
Ruben Groenewoud 6d7c604257 [Tuning] Linux DR Tuning - Part 9 (#3461) 
* [Tuning] Linux DR Tuning - Part 9

* Update persistence_credential_access_modify_ssh_binaries.toml

* Update lateral_movement_ssh_it_worm_download.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit fd84573212)
 2024-03-07 10:38:57 +00:00
Ruben Groenewoud aed3f6a735 [Tuning] Linux DR Tuning - Part 8 (#3460) 
* [Tuning] Linux DR Tuning - Part 8

* Update impact_esxi_process_kill.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit 08f946b394)
 2024-03-07 10:05:56 +00:00
Ruben Groenewoud 0950594b49 [Tuning] Linux DR Tuning - Part 7 (#3458) 
* [Tuning] Linux DR Tuning - Part 7

* Update execution_potential_hack_tool_executed.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit c537fb9c22)
 2024-03-07 09:51:37 +00:00
Ruben Groenewoud a0e8e5569d [Tuning] Linux DR Tuning - Part 6 (#3457) 
* [Tuning] Linux DR Tuning - Part 6

* Update discovery_ping_sweep_detected.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

Removed changes from:
- rules/linux/discovery_process_capabilities.toml

(selectively cherry picked from commit f37a3bfd48)
 2024-03-07 09:13:51 +00:00
Ruben Groenewoud fa13b92aca [Tuning] Linux DR Tuning - Part 5 (#3456) 
* [Tuning] Linux DR Tuning - Part 6

* Update discovery_dynamic_linker_via_od.toml

* Update discovery_esxi_software_via_find.toml

* Update discovery_esxi_software_via_grep.toml

* Update discovery_linux_hping_activity.toml

* Update discovery_linux_nping_activity.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit ae3f4737ab)
 2024-03-07 08:59:03 +00:00
Ruben Groenewoud 1136d2f3c7 [Tuning] Auditbeat event.action Compatibility (#3471) 
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit 83abf8d42c)
 2024-03-06 14:33:41 +00:00
Ruben Groenewoud 2bd89801ee [BBR Promotion] Linux BBR --> DR Promotion (#3472) 
* [BBR Promotion] Linux BBR --> DR Promotion

* [BBR Promotion] Linux BBR --> DR Promotion

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>

(cherry picked from commit 5a80423003)
 2024-03-06 13:54:31 +00:00
sbousseaden fc6c50418b [Tuning] Tuning Windows - 3 Rules (#3388) 
* Update privilege_escalation_newcreds_logon_rare_process.toml

* Update privilege_escalation_make_token_local.toml

* Update privilege_escalation_make_token_local.toml

* Update privilege_escalation_create_process_with_token_unpriv.toml

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@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>

(cherry picked from commit 853e18950f)
 2024-02-20 16:01:23 +00:00
Ruben Groenewoud a04dfbd1ef [Tuning] Linux DR Tuning - Part 4 (#3455) 
* [Tuning] Linux DR Tuning - Part 4

* Update defense_evasion_file_mod_writable_dir.toml

* Update defense_evasion_hidden_file_dir_tmp.toml

(cherry picked from commit 089e6671aa)
 2024-02-20 14:43:36 +00:00
Ruben Groenewoud 3183bfea23 [Tuning] Event.dataset removal & Tag Addition (#3451) 
* [Tuning] Removed event.dataset and added tag

* [Tuning] Removed event.dataset and added tag

* fixed typo

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

Removed changes from:
- rules/linux/privilege_escalation_suspicious_chown_fowner_elevation.toml

(selectively cherry picked from commit 3484cac7eb)
 2024-02-20 14:23:14 +00:00
Ruben Groenewoud bfe1fd6b20 [Tuning] Linux DR Tuning - Part 3 (#3454) 
(cherry picked from commit 5e6e4a359b)
 2024-02-20 13:55:44 +00:00
Ruben Groenewoud aefebccc06 [Tuning] Linux DR Tuning - Part 1 (#3452) 
* [Tuning] Linux DR Tuning - Part 1

* Update command_and_control_linux_tunneling_and_port_forwarding.toml

* Update command_and_control_cat_network_activity.toml

(cherry picked from commit 1dc7fd6a42)
 2024-02-20 13:43:33 +00:00