Commit Graph

74 Commits

Author SHA1 Message Date
Ruben Groenewoud d41855a2ac [New Rules] DDExec Analysis (#3408)
* [New Rules] DDExec Analysis

* Increased rule scope

* [New Rule] Dynamic Linker Discovery via od

* Revert "[New Rule] Dynamic Linker Discovery via od"

This reverts commit c58595b77f517d3f236a64a52c38804253db64cc.

* [New Rule] Dynamic Linker Discovery via od

* [New Rule] Potential Memory Seeking Activity

* [New BBR] Suspicious Memory grep Activity

* Added endgame + auditd_manager support

* Removed auditd_manager support for now

* Removed auditd_manager support for now

* Update discovery_suspicious_memory_grep_activity.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2024-02-06 14:47:37 +01:00
Jonhnathan 8274f9a816 [Rule Tuning] Windows BBR Tuning - 1 (#3380)
* [Rule Tuning] Windows BBR Tuning - 1

* .

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2024-02-05 12:47:24 -03:00
Ruben Groenewoud a66394c550 [New BBR] Reverse Connection through Port Knocking (#3219)
* [New BBR] Reverse Connection through Port Knocking

* Attempt to fix unit testing error

* Mitre list fix?

* Revert "Mitre list fix?"

This reverts commit 83682b8a58c2954911495d218392a33ee0615db2.

* Update command_and_control_linux_port_knocking_reverse_connection.toml

* Update command_and_control_linux_port_knocking_reverse_connection.toml

* Update rules_building_block/command_and_control_linux_port_knocking_reverse_connection.toml

* Update command_and_control_linux_port_knocking_reverse_connection.toml

* Update command_and_control_linux_port_knocking_reverse_connection.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2024-01-24 16:30:31 +01:00
Isai 442435830f [New Rules] UEBA GItHub BBRs and Rules (#3174)
* [New Rules] UEBA GItHub BBRs and Rules

A new set of BBRs and rules that will be used to trigger new UEBA GitHub threshold Rules.

* Update rules/integrations/github/impact_github_member_removed_from_organization.toml

* Apply suggestions from code review

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

* edited BBR rules

-removed newly added member rule

* updated integration manifests and schemas

* Updated min_stack for some rules based on newest GitHub integration schema manifest

* testing min_stack bump to 8.8 for new fields

* removing offending rule to troubleshoot seperately

* added UEBA tags and created UEBA threshold rule

* updated non-ecs-schema to add signal.rule.tags

* updated non-ecs-schema with kibana.alert.workflow_status

* updated rule.threat.tactic

* added user.name to non-ecs-schema

* added quotes to kibana.alert.workflow_status value

* removed trailing space from rule name

* update tags and optimize query for UEBA threshold rule

* removed integration field from Higher-Order rule

* Apply suggestions from code review

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

* adjusted new_terms order and rule types based on review feedback

* Apply suggestions from code review

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

* remove user.name from detection_rules/etc/non-ecs-schema.json

* fix json formatting

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2024-01-22 12:48:31 -05:00
shashank-elastic 1a2ef4b867 Linux Process Capabilities Enrichment Detection Rules (#3366)
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com
2024-01-18 22:49:43 +05:30
Terrance DeJesus 1c10c37468 [Rule Tuning] Update timestamp_override Unit Tests and Fix Rules Missing Field (#3368)
* updated timestamp override unit test; fixed rules missing this field

* fixed flake error

* simplified and consolidated logic

* Update tests/test_all_rules.py

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

* Update tests/test_all_rules.py

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

* added comments

* updated logic; added comments; removed unused variables

* removed custom python script

* updated dates

* removed deprecated rule change

* updated dates

---------

Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com>
2024-01-17 14:14:38 -05:00
Ruben Groenewoud b32733601a [Rule Tuning] Linux BBR Tuning (#3347)
* [Rule Tuning] Linux BBR Tuning

* Update persistence_creation_of_kernel_module.toml
2023-12-19 20:17:53 +01:00
Ruben Groenewoud 91a757a018 [Security Content] Add Investigation Guides to Linux C2 Rules (#3247)
* [Security Content] Add Investigation Guides to Linux C2 Rules

* Applied feedback
2023-12-18 17:02:40 +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
Justin Ibarra a6c5cfc418 [Rule Tuning] Optimize query for Query Registry using Built-in Tools (#3330)
* [Rule Tuning] Optimize query for Query Registry using Built-in Tools

* reduce history window to 7d

* use args vs command_line wildcards

---------

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
2023-12-14 19:55:36 -07:00
Jonhnathan aeb1f91320 [Security Content] Introduce Investigate Plugin in Investigation Guides (#3080)
* [Security Content] Introduce Investigate Plugin in Investigation Guides
* Add compatibility note
* Update Transform format
* update transform unit tests for investigate
* updated docs with transform

---------

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-12-08 11:54:40 -07:00
Ruben Groenewoud 490fa0e1d2 [New Rule] Out-Of-Tree Kernel Module Load (#3233)
* [New Rule] Out-Of-Tree Kernel Module Load

* Update rules_building_block/persistence_tainted_kernel_module_out_of_tree_load.toml

* Update rules_building_block/persistence_tainted_kernel_module_out_of_tree_load.toml

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

* Update rules_building_block/persistence_tainted_kernel_module_out_of_tree_load.toml

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

* Update rules_building_block/persistence_tainted_kernel_module_out_of_tree_load.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>
2023-12-07 22:53:21 +01:00
Ruben Groenewoud 07b1cab919 [New BBR] Pot. Persistence Through Systemd-udevd (#3235)
* [New BBR] Persistence Through Systemd-udevd

* Formatting change

* Update rules_building_block/persistence_udev_rule_creation.toml

* Update rules_building_block/persistence_udev_rule_creation.toml

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

* Update rules_building_block/persistence_udev_rule_creation.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>
2023-12-07 22:42:29 +01:00
Ruben Groenewoud 38862b89e9 [Tuning] Small Linux DR Tuning (#3287) 2023-12-07 12:45:24 +01:00
Ruben Groenewoud dff4633dd4 [New BBR] Segfault Detected (#3240)
* [New BBR] Segfault Detected

* Update rules_building_block/execution_linux_segfault.toml

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

* Update rules_building_block/execution_linux_segfault.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>
2023-11-02 09:40:50 +01:00
Ruben Groenewoud 967f6a4c89 [New BBR] Kernel Driver Load (#3236)
* [New BBR] Kernel Driver Load

* added event.dataset to the query

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2023-11-02 09:32:38 +01:00
shashank-elastic a568c56bc1 Move Config Guides for Pre-Built Detection Rules to Setup Field - Windows, MacOS, BBR and Cross Platform (#3157) 2023-10-30 16:53:04 +05:30
Ruben Groenewoud ad25c922fd [Rule Tuning] Tainted Kernel Module Load (#3234)
* [Rule Tuning] Tainted kernel module load

* Update persistence_tainted_kernel_module_load.toml

* Update rules_building_block/persistence_tainted_kernel_module_load.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2023-10-30 09:49:20 +01:00
Jonhnathan a5240e4063 [Rule Tuning] Windows DR Tuning - 1 (#3198)
* [Rule Tuning] Windows DR Tuning - 1

* Update collection_winrar_encryption.toml
2023-10-26 17:20:32 -03:00
Jonhnathan 6fcf26b20e [Promote] Potential Masquerading as Communication Apps (#3181)
* [Promote] Potential Masquerading as Communication Apps

* Update defense_evasion_masquerading_communication_apps.toml

* Update defense_evasion_masquerading_communication_apps.toml

* Update rules/windows/defense_evasion_masquerading_communication_apps.toml

* Update defense_evasion_masquerading_communication_apps.toml

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2023-10-23 14:56:03 -03:00
Ruben Groenewoud 9807bebd8e [New BBR] Unix Socket Communication (#3072)
* [New Rule] Unix Socket Communication

* Update rules_building_block/execution_unix_socket_communication.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules_building_block/execution_unix_socket_communication.toml

---------

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
2023-10-23 17:18:48 +02:00
Ruben Groenewoud 024d45bd56 [New BBR] Tainted Kernel Module Load (#3211)
* [New Rule] Tainted Kernel Module Load

* added setup note

* Fixed tag

* added type change

* timestamp override

---------

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
2023-10-23 17:06:16 +02:00
Jonhnathan 18ff85ce84 [Promote] Expired or Revoked Driver Loaded (#3185)
* [Promote] Expired or Revoked Driver Loaded

* Update privilege_escalation_expired_driver_loaded.toml
2023-10-23 11:44:37 -03:00
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
Jonhnathan 74222f86eb [New Rules] [BBR] Windows Deprecated ERs Conversion - 3 (#3143)
* [New Rules] [BBR] Windows Deprecated ERs Conversion - 3

* Update defense_evasion_invalid_codesign_imageload.toml

* Update defense_evasion_invalid_codesign_imageload.toml

* Update rules_building_block/initial_access_execution_remote_via_msiexec.toml

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

* Update rules_building_block/initial_access_xsl_script_execution_via_com.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

* Update rules_building_block/initial_access_execution_remote_via_msiexec.toml

Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Isai <59296946+imays11@users.noreply.github.com>
2023-10-17 14:16:28 -03:00
Jonhnathan 3ea3e5a9fd [New Rules] [BBR] Windows Deprecated ERs Conversion - 2 (#3138)
* [New Rules] [BBR] Windows Deprecated ERs Conversion - 2

* Update defense_evasion_unsigned_bits_client.toml

* Update rules_building_block/defense_evasion_suspicious_msiexec_execution.toml

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

* .

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2023-10-17 13:49:49 -03:00
Jonhnathan 32002fd89b [New Rules] [BBR] Windows Deprecated ERs Conversion - 1 (#3131)
* [New Rules] [BBR] Windows Deprecated ERs Conversion - 1

* .

* .

* Update defense_evasion_dotnet_clickonce_dfsvc_netcon.toml

* .
2023-10-17 11:36:53 -03:00
Jonhnathan a33a124eab [New Rule] [BBR] Memory Dump File Rules (#3122)
* [New Rule] Memory Dump File Rules

* .

* .

* .
2023-10-17 09:35:38 -03:00
Jonhnathan 8035516e8e [Rule Tuning] Potential Masquerading as Browser Process (#3180)
* [Rule Tuning] Potential Masquerading as Browser Process

* Update defense_evasion_masquerading_browsers.toml

* Update defense_evasion_masquerading_browsers.toml
2023-10-17 08:53:37 -03:00
Jonhnathan e4e68c2dd8 [Rule Tuning] Potential Masquerading as System32 DLL (#3184)
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2023-10-17 08:29:08 -03:00
Jonhnathan f584fb6e31 [Security Content] Adjust Mitre Att&ck Mappings - Windows Rules (#3165)
* [Security Content] Adjust Mitre Att&ck Mappings - Windows Rules

* Fix dates

* Fix unit test errors

* updated tags and fixed branch conflicts

updated tags and fixed branch conflicts

* description nit

* Reverting unintended changes

* Update initial_access_suspicious_ms_office_child_process.toml

---------

Co-authored-by: imays11 <59296946+imays11@users.noreply.github.com>
2023-10-15 18:12:20 -03:00
Jonhnathan 3f2a709370 [Rule Tuning] PowerShell Rules Tuning (#3169) 2023-10-11 17:57:32 -03:00
Justin Ibarra 7f8a9849c4 [New Rule] File Compressed or Archived into Common Format (#3173)
* [New Rule] File Compressed or Archived into Common Format
* new build-threat-map-entry-command

---------

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
2023-10-11 11:34:34 -07:00
Ruben Groenewoud c2822e175c [Tuning] Windows Execution Rule Tuning for UEBA (#3107)
* Update defense_evasion_execution_msbuild_started_by_script.toml

* Mostly updated Execution tags, also new_terms conv

* removed index

* Removed index

* WMIPrvSE tuning

* Additional tuning

* Tuning & changes

* Additional tuning

* Applied unit test optimization

* Addressed feedback

* Update rules/windows/execution_command_shell_started_by_svchost.toml

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

* caseless unit testing fix

* fixed caseless executable unit test

* unit testing fix

* Update rules/windows/execution_suspicious_powershell_imgload.toml

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

* Update execution_ms_office_written_file.toml

* Update rules/windows/defense_evasion_execution_msbuild_started_by_script.toml

* Update rules/windows/defense_evasion_execution_msbuild_started_unusal_process.toml

* Added user ids to new terms

* Update rules/windows/execution_suspicious_powershell_imgload.toml

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

* Update rules_building_block/execution_unsigned_service_executable.toml

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

* Update execution_unsigned_service_executable.toml

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-10-11 10:15:29 +02:00
Ruben Groenewoud 4cdf52129a [Tuning] Windows Discovery Rule Tuning for UEBA (#3097)
* [Tuning] Win DR Tuning for UEBA

* Need to get used to Windows formatting

* Added additional content

* Updated min stack

* Added additional tuning

* Fixed unit testing for KQL optimization

* Update rules_building_block/discovery_internet_capabilities.toml

* Additional tuning

* Kuery optimization

* Additional tuning

* Additional tuning

* Additional tuning

* Additional tuning

* Unit testing optimization fix

* optimization

* tuning

* Optimization

* Update rules/windows/discovery_privileged_localgroup_membership.toml

* Added feedback

* Update rules/windows/discovery_privileged_localgroup_membership.toml

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

* Update rules/windows/discovery_remote_system_discovery_commands_windows.toml

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

* Update rules/windows/discovery_system_service_discovery.toml

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

* added host.id as additional new_terms field

* Reworked a lot.

* kibana.alert.rule.rule_id to non-ecs-schema.json

* Fixed index by adding a dot

* fixed typo

* Added host.os.type:windows for signals

* Added additional tag

* Added Higher-Order Rule tag

* Stripped down signal rules down to two

* revert

* Update rules/windows/discovery_admin_recon.toml

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

* Update rules/windows/discovery_enumerating_domain_trusts_via_nltest.toml

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

* Update rules_building_block/discovery_generic_registry_query.toml

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

* Update rules_building_block/discovery_system_time_discovery.toml

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

* Update rules/windows/discovery_privileged_localgroup_membership.toml

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

* Update discovery_generic_registry_query.toml

* Readded exclusions

* Added trailing wildcards for KQL

* Update discovery_privileged_localgroup_membership.toml

* Update rules_building_block/discovery_signal_unusual_user_host.toml

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

* Update rules/windows/discovery_signal_unusual_discovery_signal_proc_cmdline.toml

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

* Formatting fix

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
2023-10-11 09:43:26 +02:00
Ruben Groenewoud 8f122197bb [New BBR] Sus. Process Started via tmux or screen (#3071)
* [New BBR] Sus. Process Started via tmux or screen

* [New BBR] Unix Socket Connection

* Revert "[New BBR] Unix Socket Connection"

This reverts commit 92a0b09e8c505bceb1025124658bb4233d5d19d9.

* Update rules_building_block/defense_evasion_sus_utility_executed_via_tmux_or_screen.toml

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

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-09-30 12:57:18 +02:00
Jonhnathan f77bec8552 [New Rule] [BBR] File with Suspicious Extension Downloaded (#3139)
* [New Rule] [BBR] File with Suspicious Extension Downloaded

* Update defense_evasion_download_susp_extension.toml
2023-09-27 12:37:11 -03:00
Jonhnathan ddb1f75352 [New Rule] New BBR Rules - Part 2 (#3029)
* [New Rule] New BBR Rules - Part 2

* Update discovery_generic_account_groups.toml

* Update discovery_generic_account_groups.toml

* Update rules_building_block/defense_evasion_cmd_copy_binary_contents.toml

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

* Update rules_building_block/execution_downloaded_shortcut_files.toml

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

* Update rules_building_block/defense_evasion_cmd_copy_binary_contents.toml

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

* Update rules_building_block/defense_evasion_unusual_process_extension.toml

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

* Update defense_evasion_unusual_process_extension.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-09-12 21:49:22 -03:00
Jonhnathan af99186992 [New Rule] New BBR Rules - Part 3 (#3034)
* [New Rule] New BBR Rules - Part 3

* Apply suggestions from code review

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
2023-09-12 21:28:01 -03:00
Jonhnathan 3614f42b00 [New Rule] New BBR Rules - Part 5 (#3052)
* [New Rule] New BBR Rules - Part 5

* Apply suggestions from code review

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

* Tag work

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2023-09-05 18:36:34 -03:00
Jonhnathan 8049c96281 [New Rule] New BBR Rules - Part 1 (#3026)
* [New Rule] New BBR Rules - Part 1

* Apply suggestions from code review

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

* Update rules_building_block/lateral_movement_at.toml

* Update rules_building_block/collection_outlook_email_archive.toml

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

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-09-05 18:07:47 -03:00
Jonhnathan 26c97dc241 [New Rule] Potential Masquerading as Business App Installer (#3068) 2023-09-05 17:58:34 -03:00
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
Jonhnathan fdd45148b8 [New Rule][BBR] WRITEDAC Access on Active Directory Object (#3015)
* [New Rule] WRITEDAC Access on Active Directory Object

* Update defense_evasion_write_dac_access.toml

* Fix Setup Instructions

* Update defense_evasion_write_dac_access.toml

* Update rules_building_block/defense_evasion_write_dac_access.toml

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

---------

Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-08-31 12:59:02 -03:00
Ruben Groenewoud f7d8d4752a [New Rules] GDB Secret Dumping (#3060)
* [New Rules] GDB Secret Dumping

* Added references to BBR

* Update rules/linux/credential_access_gdb_init_memory_dump.toml

* Update rules_building_block/credential_access_gdb_memory_dump.toml

* Update rules_building_block/credential_access_gdb_memory_dump.toml

* Update rules_building_block/credential_access_gdb_memory_dump.toml

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

---------

Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
2023-08-31 17:41:22 +02:00
Ruben Groenewoud 04d1c3cd5b [New BBR] Suspicious which Enumeration (#3059) 2023-08-31 13:55:56 +02:00
Jonhnathan c89b722a34 [New Rule] Suspicious Communication App Child Process (#2998)
* [New Rule] Suspicious Communication App Child Process

* Update defense_evasion_communication_apps_suspicious_child_process.toml

* Update rules_building_block/defense_evasion_communication_apps_suspicious_child_process.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2023-08-31 07:33:16 -03:00
Jonhnathan a7a22a0917 [New Rule] Potential Masquerading as VLC DLL (#3006)
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2023-08-30 17:45:45 -03:00
Ruben Groenewoud 32abdb95f7 [New Rules] Linux Tunneling and Port Forwarding (#3028)
* Removed iodine rule due to new tunneling rule

* [New Rules] Linux Tunneling and Port Forwarding

* added ash

* Fixed description styling

* Changed rule name

* Update command_and_control_linux_suspicious_proxychains_activity.toml

* Added deprecation note & name change

* Changed deprecation status

* Removed deprecation date

* Fixed unit testing

* Update rules_building_block/command_and_control_linux_ssh_x11_forwarding.toml

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2023-08-30 22:12:19 +02:00
Jonhnathan 7004c99ef5 [New Rule] Unusual Process For MSSQL Service Accounts (#3040)
* [New Rule] Unusual Process For MSSQL Service Accounts

* Update initial_access_unusual_process_sql_accounts.toml

* Update initial_access_unusual_process_sql_accounts.toml

* Update collection_archive_data_zip_imageload.toml

* Update persistence_via_xp_cmdshell_mssql_stored_procedure.toml

* Update initial_access_unusual_process_sql_accounts.toml

* Update rules_building_block/initial_access_unusual_process_sql_accounts.toml

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

* Update persistence_via_xp_cmdshell_mssql_stored_procedure.toml

added   "vpnbridge.exe", "certutil.exe" and "bitsadmin.exe" to rule scope.

* Update persistence_via_xp_cmdshell_mssql_stored_procedure.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2023-08-29 09:10:25 -03:00