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Author SHA1 Message Date
Jonhnathan 97e49795ab [Rule Tuning] Windows BBR Tuning - 5 (#3385) 
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
 2024-02-14 10:23:06 -03:00
Jonhnathan ae00f30574 [Rule Tuning] Windows BBR Tuning - 2 (#3381) 
* [Rule Tuning] Windows BBR Tuning - 2

* Update defense_evasion_masquerading_windows_system32_exe.toml

---------

Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-02-14 09:58:31 -03:00
Mika Ayenson df6dd09db4 [FR] Add New Kibana Schema Issue Template (#3441) 2024-02-13 16:36:01 -06:00
Mika Ayenson c3ca01ebcc [FR] Add support for Threshold Alert Suppression (#3433) 2024-02-12 09:55:46 -06:00
Terrance DeJesus 06b97ec79b [Bug] Adjust build-release CLI and fix links when generating security docs (#3434) 
* removed historical argument; added setup string; fixed links

* fixing flake errors

* added types for command arguments

* adjusted get_release_diff to append strings for release tags

* set fetch-depth to 0 for integrations checkout in workflow

* changed the name of the workflow

* removed TODOs

* adjusted release docs workflow to remove prefix for release tags

* adjusted URL replacement only if pointed to docs site

* added elastic website to regex pattern

* add docstrings; adjusted regex; add note for stopgap

* added a note about the regex pattern for elastic URLs
 2024-02-12 10:08:06 -05:00
Justin Ibarra 298d1bce0d Add the Zen of Security Rules to philosophy (#3437) 2024-02-09 12:46:38 -07:00
Jonhnathan 21b559c97f [Rule Tuning] Suspicious Antimalware Scan Interface DLL (#3432) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-02-08 06:27:16 -03:00
github-actions[bot] 827dfa7327 Lock versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10,8.11,8.12 (#3431) 
* Locked versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10,8.11,8.12

* Update detection_rules/etc/version.lock.json

* updated downloadable updates file to reconcile changes

* Removed spacing from downloadable updates file

---------

Co-authored-by: terrancedejesus <terrancedejesus@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-02-06 14:48:33 -05:00
Terrance DeJesus 7df7ab5101 [Bug] Update Prebuilt Detection Rules Release Process (#3403) 
* release fleet workflow updates; build package integration reference changes

* updated commit hash extraction to output to env

* adjusted bump-pkg-versions to only include release if necessary

* fixed flake errors

* add historical argument for build-release set to yes by default

* Update detection_rules/devtools.py

* fixed fleet workflow; updated registry data references

* updated job names

* removed extract commit hash job and consolidated into fleet pr job

* added echo statement for current branch before checkout

* removed id from extract commit hash
 2024-02-06 08:59:06 -05:00
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
Ruben Groenewoud 90d64f0714 [New Rule] Executable Masquerading as Kernel Process (#3421) 
* [New Rule] Executable Masquerading as Kernel Proc

* Bumped dates

* Added endgame support

* Added auditd_manager support

* Removed auditd_manager support for now
 2024-02-06 10:49:36 +01:00
Ruben Groenewoud 208b2e999c [New Rules] APT Package Manager Persistence (#3418) 
* [New Rule] apt Package Manager Persistence

* [New Rules] APT Package Manager Persistence

* [New Rules] APT Package Manager Persistence
 2024-02-06 10:29:27 +01:00
Ruben Groenewoud 4f303ab77e [New Rule] Suspicious Network Connection via systemd (#3420) 
* [New Rule] Network Connection via systemd

* Removed space from description

* Added updated query
 2024-02-06 10:19:42 +01:00
Samirbous 6906a27c3a Update lateral_movement_remote_task_creation_winlog.toml (#3419) 2024-02-05 18:36:24 +00:00
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
Jonhnathan edd3556b63 [Rule Tuning] Startup or Run Key Registry Modification (#3367) 2024-02-05 12:28:06 -03:00
Samirbous 5a68ccfd0d [New] Potential Enumeration via Active Directory Web Service (#3416) 
* Create discovery_active_directory_webservice.toml

* Update discovery_active_directory_webservice.toml

* Update discovery_active_directory_webservice.toml

* Update discovery_active_directory_webservice.toml

* Update discovery_active_directory_webservice.toml
 2024-02-02 14:19:22 +00:00
Jonhnathan 50df6f3e9b [Rule Tuning] Potential Modification of Accessibility Binaries (#3401) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-02-01 11:26:39 -03:00
Samirbous 4c74588c00 [Tuning] Suspicious File Downloaded from Google Drive (#3411) 
* Update command_and_control_google_drive_malicious_file_download.toml

* Update command_and_control_google_drive_malicious_file_download.toml

* Update command_and_control_google_drive_malicious_file_download.toml
 2024-01-31 16:55:01 +00:00
Samirbous d7f4d7972e [Tuning] DCSync Rules - 4662 event.action (#3410) 
* Update credential_access_dcsync_newterm_subjectuser.toml

* Update credential_access_dcsync_replication_rights.toml
 2024-01-30 11:43:28 +00:00
Ruben Groenewoud 381ccf43ed [New Rule] Suspicious Passwd File Event Action (#3396) 
* [New Rule] Suspicious Passwd File Event Action

* Description fix

* Pot. UT fix

* Pot. UT fix.

---------

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
 2024-01-26 09:36:56 +01:00
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
github-actions[bot] d093336125 Lock versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10,8.11,8.12 (#3402) 
* Locked versions for releases: 8.3,8.4,8.5,8.6,8.7,8.8,8.9,8.10,8.11,8.12

* Update detection_rules/etc/version.lock.json

---------

Co-authored-by: terrancedejesus <terrancedejesus@users.noreply.github.com>
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
 2024-01-23 16:36:55 -05:00
Jonhnathan 92804343bc [Rule Tuning] Windows DR Tuning - 15 (#3377) 
* [Rule Tuning] Windows DR Tuning - 15

* Update privilege_escalation_windows_service_via_unusual_client.toml

* Update privilege_escalation_windows_service_via_unusual_client.toml

* Update defense_evasion_msbuild_making_network_connections.toml
 2024-01-23 16:48:31 -03:00
Jonhnathan e33389b2ef [Rule Tuning] Direct Outbound SMB Connection (#3400) 
* [Rule Tuning] Direct Outbound SMB Connection

* Update lateral_movement_direct_outbound_smb_connection.toml
 2024-01-23 15:33:49 -03:00
Jonhnathan e0bdb59deb [Rule Tuning] Host Files System Changes via Windows Subsystem for Linux (#3398) 
* [Rule Tuning] Host Files System Changes via Windows Subsystem for Linux

* Update defense_evasion_wsl_filesystem.toml
 2024-01-22 18:47:53 -03:00
Terrance DeJesus 164b7d4028 removed query var; using is_sequence method; removed integration var (#3395) 2024-01-22 15:23:07 -05:00
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
Ruben Groenewoud 48d8b650e5 [New Rule] Potential Buffer Overflow Attack Detected (#3312) 
* [New Rule] Potential Buffer Overflow Attack

* Added timestamp_override

* Update privilege_escalation_potential_bufferoverflow_attack.toml

* Update privilege_escalation_potential_bufferoverflow_attack.toml

* Update rules/linux/privilege_escalation_potential_bufferoverflow_attack.toml

* Update rules/linux/privilege_escalation_potential_bufferoverflow_attack.toml

---------

Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
 2024-01-22 16:28:22 +01:00
Ruben Groenewoud ec5f4d596c [New Rule] Chroot Container Escape via Mount (#3387) 
* [New Rule] Chroot Container Escape via Mount

* description fix
 2024-01-22 09:17:53 +01:00
Ruben Groenewoud 26747aa8a4 [Security Content] Add Investigation Guides to Linux Persistence Rules - 2 (#3350) 
* [Security Content] Add IGs to Persistence - 2

* [Security Content] Add IGs to Persistence - 2

* fixes

* fix

* added ig note
 2024-01-20 19:36:32 +01:00
Mika Ayenson a873abbb5b [FR] Update Validate Integrations to Check Fields Across All Schema Variations (#3372) 2024-01-18 15:42:22 -06:00
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
Jonhnathan f6ba12a700 [Rule Tuning] Windows DR Tuning - 12 (#3364) 2024-01-17 13:19:12 -03:00
sbousseaden 27262a585b [Tuning] Add logs-system. index where applicable (#3390) 
* Update discovery_adfind_command_activity.toml

* Update defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.toml

* Update defense_evasion_clearing_windows_console_history.toml

* Update defense_evasion_clearing_windows_event_logs.toml

* Update defense_evasion_execution_control_panel_suspicious_args.toml

* Update credential_access_dump_registry_hives.toml

* Update defense_evasion_delete_volume_usn_journal_with_fsutil.toml

* Update impact_deleting_backup_catalogs_with_wbadmin.toml

* Update defense_evasion_code_signing_policy_modification_builtin_tools.toml

* Update privilege_escalation_uac_bypass_event_viewer.toml

* Update privilege_escalation_uac_bypass_mock_windir.toml

* Update privilege_escalation_unusual_parentchild_relationship.toml

* Update privilege_escalation_unusual_printspooler_childprocess.toml

* Update privilege_escalation_uac_bypass_diskcleanup_hijack.toml

* Update privilege_escalation_tokenmanip_sedebugpriv_enabled.toml

* Update execution_apt_solarwinds_backdoor_child_cmd_powershell.toml

* Update defense_evasion_wsl_kalilinux.toml

* Update initial_access_suspicious_ms_outlook_child_process.toml

* Update initial_access_suspicious_ms_office_child_process.toml

* Update initial_access_suspicious_ms_exchange_worker_child_process.toml

* Update initial_access_suspicious_ms_exchange_process.toml

* Update impact_volume_shadow_copy_deletion_or_resized_via_vssadmin.toml

* Update impact_volume_shadow_copy_deletion_via_powershell.toml

* Update execution_from_unusual_path_cmdline.toml

* Update execution_enumeration_via_wmiprvse.toml

* Update execution_command_shell_started_by_svchost.toml

* Update discovery_enumerating_domain_trusts_via_nltest.toml

* Update discovery_enumerating_domain_trusts_via_dsquery.toml

* Update defense_evasion_workfolders_control_execution.toml

* Update defense_evasion_iis_httplogging_disabled.toml

* Update defense_evasion_enable_inbound_rdp_with_netsh.toml

* Update defense_evasion_disabling_windows_logs.toml

* Update credential_access_wireless_creds_dumping.toml

* Update credential_access_iis_apppoolsa_pwd_appcmd.toml

* Update credential_access_iis_connectionstrings_dumping.toml

* Update command_and_control_remote_file_copy_desktopimgdownldr.toml

* Update command_and_control_remote_file_copy_mpcmdrun.toml

* Update command_and_control_dns_tunneling_nslookup.toml

* Update persistence_webshell_detection.toml

* Update persistence_via_xp_cmdshell_mssql_stored_procedure.toml

* Update privilege_escalation_named_pipe_impersonation.toml

* Update command_and_control_certreq_postdata.toml

* Update defense_evasion_suspicious_certutil_commands.toml

* Update defense_evasion_disable_windows_firewall_rules_with_netsh.toml

* Update defense_evasion_execution_msbuild_started_unusal_process.toml

* Update persistence_system_shells_via_services.toml

* Update execution_suspicious_cmd_wmi.toml

* Update credential_access_copy_ntds_sam_volshadowcp_cmdline.toml

* Update impact_deleting_backup_catalogs_with_wbadmin.toml

* Update credential_access_dump_registry_hives.toml

* Update defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.toml

* Update defense_evasion_clearing_windows_console_history.toml

* Update defense_evasion_clearing_windows_event_logs.toml

* Update defense_evasion_code_signing_policy_modification_builtin_tools.toml

* Update defense_evasion_delete_volume_usn_journal_with_fsutil.toml

* Update defense_evasion_execution_control_panel_suspicious_args.toml

* Update execution_apt_solarwinds_backdoor_child_cmd_powershell.toml

* Update defense_evasion_wsl_kalilinux.toml

* Update discovery_adfind_command_activity.toml

* Update initial_access_suspicious_ms_outlook_child_process.toml

* Update privilege_escalation_uac_bypass_diskcleanup_hijack.toml

* Update privilege_escalation_uac_bypass_event_viewer.toml

* Update privilege_escalation_uac_bypass_mock_windir.toml

* Update privilege_escalation_unusual_parentchild_relationship.toml

* Update privilege_escalation_unusual_printspooler_childprocess.toml

* Update defense_evasion_defender_exclusion_via_powershell.toml

* Update defense_evasion_execution_lolbas_wuauclt.toml

* Update defense_evasion_execution_msbuild_started_by_script.toml

* Update defense_evasion_unusual_dir_ads.toml

* Update defense_evasion_wsl_child_process.toml

* Update defense_evasion_wsl_bash_exec.toml

* Update defense_evasion_wsl_enabled_via_dism.toml

* Update discovery_admin_recon.toml

* Update initial_access_suspicious_ms_exchange_worker_child_process.toml

* Update lateral_movement_alternate_creds_pth.toml

* Update persistence_via_windows_management_instrumentation_event_subscription.toml

* Update persistence_via_telemetrycontroller_scheduledtask_hijack.toml

* Update persistence_via_application_shimming.toml

* Update defense_evasion_execution_msbuild_started_by_script.toml

* Update defense_evasion_execution_msbuild_started_by_script.toml

* Update defense_evasion_execution_lolbas_wuauclt.toml

* Update defense_evasion_execution_msbuild_started_unusal_process.toml

* Update defense_evasion_delete_volume_usn_journal_with_fsutil.toml

* Update rules/windows/defense_evasion_execution_msbuild_started_by_script.toml

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

* Update impact_volume_shadow_copy_deletion_or_resized_via_vssadmin.toml

* Update defense_evasion_clearing_windows_console_history.toml

* Update discovery_adfind_command_activity.toml

* Update defense_evasion_execution_msbuild_started_unusal_process.toml

* Update execution_command_shell_started_by_svchost.toml

* Update initial_access_suspicious_ms_exchange_worker_child_process.toml

* Update execution_command_shell_started_by_svchost.toml

* Update execution_command_shell_started_by_svchost.toml

* Update execution_command_shell_started_by_svchost.toml

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
 2024-01-17 13:49:59 +00:00
Jonhnathan 71cec2a0e1 [Rule Tuning] Windows DR Tuning - 13 (#3369) 2024-01-17 09:53:18 -03:00
Jonhnathan c6ab294627 [Rule Tuning] Windows DR Tuning - 10 (#3355) 
* [Rule Tuning] Windows DR Tuning - 10

* Update discovery_whoami_command_activity.toml
 2024-01-17 09:44:10 -03:00
Ruben Groenewoud 4301dacfb8 [New Rule] Network Connection via Sudo Binary (#3389) 
* [New Rule] Network Connection via Sudo Binary

* description grammar fix
 2024-01-17 09:47:58 +01:00
Ruben Groenewoud a9285445cf [New Rule] Kernel Driver Load by non-root User (#3378) 
* [New Rule] Kernel Driver Load by non-root User

* setup note change

* removed unnecessary index
 2024-01-17 09:34:25 +01:00
Jonhnathan 0469785793 [Rule Tuning] Windows DR Tuning - 14 (#3376) 
* [Rule Tuning] Windows DR Tuning - 14

* Update persistence_suspicious_com_hijack_registry.toml

* Update rules/windows/persistence_webshell_detection.toml
 2024-01-15 11:16:04 -03:00
Jonhnathan caf38fd1b1 [Rule Tuning] Windows DR Tuning - 11 (#3359) 
* [Rule Tuning] Windows DR Tuning - 10

* Update execution_posh_hacktool_functions.toml

* Update impact_backup_file_deletion.toml
 2024-01-15 10:55:50 -03:00
shashank-elastic 24d5528ab0 Linux Rule Tuning (#3379) 2024-01-11 18:07:03 +05:30
Eric Forte 6170db6231 [FR] Update _event_sort to use datetime instead of time (#3375) 
* Update _event_sort to use datetime

* remove unused time

* added type hints
 2024-01-09 10:59:01 -05:00
Ruben Groenewoud df86882036 [Rule Tuning] Dynamic Linker Copy (#3349) 2024-01-08 10:56:31 +01:00
Ruben Groenewoud 788e2b2823 [Rule Tuning] Linux cross-platform DRs (#3346) 2024-01-08 10:44:03 +01:00
Ruben Groenewoud 6c91c1597d [Rule Tuning] Linux DR Tuning - Part 3 (#3322) 
* [Rule Tuning] Linux DR Tuning - Part 3

* small fix

* typo

* coffee

* Update persistence_cron_job_creation.toml

* Update persistence_shared_object_creation.toml
 2024-01-08 10:16:44 +01:00
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 b533642272 [Rule Tuning] Linux DR Tuning - Part 1 (#3316) 
* [Rule Tuning] Linux DR Tuning - Part 1

* fix

* Update command_and_control_linux_kworker_netcon.toml

* Update defense_evasion_binary_copied_to_suspicious_directory.toml

* Update defense_evasion_file_mod_writable_dir.toml
 2024-01-08 09:50:15 +01:00
Jonhnathan 724e34ba95 [Rule Tuning] Windows DR Tuning - 9 (#3354) 
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
 2024-01-07 09:49:33 -03:00