22857aca2e
[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 13:05:41 +00:00
5a18a6cea2
[Rule Tuning] Potential Application Shimming via Sdbinst ( #3553 )
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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
(cherry picked from commit c781376188
2024-04-02 09:43:02 +00:00
21f23f6d33
[Rule Tuning] Tighten up Indexes of Elastic Defend Windows Rules ( #3549 )
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* [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 23:52:53 +00:00
7838042839
[Rule Tuning] Replace KQL exceptions for Query DSL Exceptions ( #3505 )
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* [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 20:53:09 +00:00
5a7d7cf4a0
[New Rules] Potential PowerShell Pass-the-Hash/Relay Script ( #3543 )
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* [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 10:16:03 +00:00
c871bbb6d6
[New Rule] Creation of a DNS-Named Record ( #3539 )
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* [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 21:28:37 +00:00
06dcbb80f5
[New Rule] Potential ADIDNS Poisoning via Wildcard Record Creation ( #3535 )
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* [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 13:15:24 +00:00
bfd3289680
[New] Suspicious Execution via ScreenConnect ( #3541 )
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* [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 12:02:12 +00:00
e388aaf409
fix typo in lateral_movement_remote_services.toml ( #3538 )
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(cherry picked from commit 138447221f
2024-03-27 10:46:36 +00:00
75a0a3f338
[Rule Tuning] Scheduled Task Activity via pwsh ( #3534 )
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(cherry picked from commit 760b99bcc1
2024-03-26 13:53:05 +00:00
5ce96738c4
[New] Suspicious JetBrains TeamCity Child Process ( #3532 )
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* [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 16:40:44 +00:00
b6aff9b2e5
[New Rules] Veeam Credential Access DRs ( #3516 )
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* [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 13:09:29 +00:00
22ed934946
[Rule Tuning] Improve Compatibility in WIndows Detection Rules - Part 1 ( #3501 )
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* Initial commit
* Date bump
(cherry picked from commit f5254f3b5e
2024-03-13 13:33:15 +00:00
9101dfc064
[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
(cherry picked from commit 458e67918a
2024-03-11 12:15:22 +00:00
aebe64a42b
[Rule Tuning] DR Performance-Poor Rules ( #3399 )
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* [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 11:56:05 +00:00
fb835e396d
[Tuning] Tuning Windows - 3 Rules ( #3388 )
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* 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 16:01:52 +00:00
144754c8a5
[New] Suspicious Execution from INET Cache ( #3445 )
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* Create initial_access_execution_from_inetcache.toml
* Update initial_access_execution_from_inetcache.toml
(cherry picked from commit 4809de6584
2024-02-15 19:19:30 +00:00
a864d77e0a
[Rule Tuning] Windows BBR Tuning - 5 ( #3385 )
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Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
(cherry picked from commit 97e49795ab
2024-02-14 13:28:21 +00:00
0c0a5bdaad
[Rule Tuning] Windows BBR Tuning - 2 ( #3381 )
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* [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 >
(cherry picked from commit ae00f30574
2024-02-14 13:03:47 +00:00
4ac56fbd40
[Rule Tuning] Suspicious Antimalware Scan Interface DLL ( #3432 )
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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
(cherry picked from commit 21b559c97f
2024-02-08 09:32:22 +00:00
66458bd33d
Update lateral_movement_remote_task_creation_winlog.toml ( #3419 )
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(cherry picked from commit 6906a27c3a
2024-02-05 18:41:54 +00:00
67acfbae4d
[Rule Tuning] Windows BBR Tuning - 1 ( #3380 )
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* [Rule Tuning] Windows BBR Tuning - 1
* .
---------
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
(cherry picked from commit 8274f9a816
2024-02-05 15:52:57 +00:00
5edd21a169
[Rule Tuning] Startup or Run Key Registry Modification ( #3367 )
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(cherry picked from commit edd3556b63
2024-02-05 15:33:38 +00:00
41ee5b7509
[New] Potential Enumeration via Active Directory Web Service ( #3416 )
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* 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
(cherry picked from commit 5a68ccfd0d
2024-02-02 14:24:50 +00:00
332afabf04
[Rule Tuning] Potential Modification of Accessibility Binaries ( #3401 )
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Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
(cherry picked from commit 50df6f3e9b
2024-02-01 14:32:00 +00:00
50be89783c
[Tuning] DCSync Rules - 4662 event.action ( #3410 )
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* Update credential_access_dcsync_newterm_subjectuser.toml
* Update credential_access_dcsync_replication_rights.toml
(cherry picked from commit d7f4d7972e
2024-01-30 11:48:48 +00:00
9ce2cdf675
[Rule Tuning] Windows DR Tuning - 15 ( #3377 )
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* [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
(cherry picked from commit 92804343bc
2024-01-23 19:54:02 +00:00
c421546055
[Rule Tuning] Direct Outbound SMB Connection ( #3400 )
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* [Rule Tuning] Direct Outbound SMB Connection
* Update lateral_movement_direct_outbound_smb_connection.toml
(cherry picked from commit e33389b2ef
2024-01-23 18:39:31 +00:00
7db74abede
[Rule Tuning] Host Files System Changes via Windows Subsystem for Linux ( #3398 )
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* [Rule Tuning] Host Files System Changes via Windows Subsystem for Linux
* Update defense_evasion_wsl_filesystem.toml
(cherry picked from commit e0bdb59deb
2024-01-22 21:53:12 +00:00
7367f37584
[Rule Tuning] Update timestamp_override Unit Tests and Fix Rules Missing Field ( #3368 )
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* 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 >
(cherry picked from commit 1c10c37468
2024-01-17 19:20:19 +00:00
652acc0f07
[Rule Tuning] Windows DR Tuning - 12 ( #3364 )
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(cherry picked from commit f6ba12a700
2024-01-17 16:24:30 +00:00
5d9277280c
[Tuning] Add logs-system. index where applicable ( #3390 )
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* 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 >
(cherry picked from commit 27262a585b
2024-01-17 13:55:24 +00:00
d73da3d1d5
[Rule Tuning] Windows DR Tuning - 13 ( #3369 )
...
(cherry picked from commit 71cec2a0e1
2024-01-17 12:59:14 +00:00
345298fe4f
[Rule Tuning] Windows DR Tuning - 10 ( #3355 )
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* [Rule Tuning] Windows DR Tuning - 10
* Update discovery_whoami_command_activity.toml
(cherry picked from commit c6ab294627
2024-01-17 12:49:39 +00:00
15e3f1866e
[Rule Tuning] Windows DR Tuning - 14 ( #3376 )
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* [Rule Tuning] Windows DR Tuning - 14
* Update persistence_suspicious_com_hijack_registry.toml
* Update rules/windows/persistence_webshell_detection.toml
(cherry picked from commit 0469785793
2024-01-15 14:21:23 +00:00
d281983b99
[Rule Tuning] Windows DR Tuning - 11 ( #3359 )
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* [Rule Tuning] Windows DR Tuning - 10
* Update execution_posh_hacktool_functions.toml
* Update impact_backup_file_deletion.toml
(cherry picked from commit caf38fd1b1
2024-01-15 14:01:25 +00:00
e22cc8030e
[Rule Tuning] Windows DR Tuning - 9 ( #3354 )
...
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
(cherry picked from commit 724e34ba95
2024-01-07 12:56:40 +00:00
0ce0bab466
[Rule Tuning] Windows DR Tuning - 8 ( #3353 )
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* [Rule Tuning] Windows DR Tuning - 8
* Update rules/windows/defense_evasion_unusual_system_vp_child_program.toml
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
* Update rules/windows/defense_evasion_via_filter_manager.toml
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
* Update rules/windows/defense_evasion_via_filter_manager.toml
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
---------
Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com >
(cherry picked from commit 7b1215ccf1
2024-01-03 15:05:43 +00:00
0033527145
[New] Potential Evasion via Windows Filtering Platform ( #3356 )
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* Create defense_evasion_windows_filtering_platform.toml
* Update defense_evasion_windows_filtering_platform.toml
* Update defense_evasion_windows_filtering_platform.toml
* Update defense_evasion_windows_filtering_platform.toml
* Update defense_evasion_windows_filtering_platform.toml
* Update rules/windows/defense_evasion_windows_filtering_platform.toml
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
* Update defense_evasion_windows_filtering_platform.toml
---------
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com >
(cherry picked from commit b7e21d8c29
2024-01-03 12:55:24 +00:00
87f8e053ba
[Deprecate] Potential Process Herpaderping Attempt ( #3336 )
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* Update and rename defense_evasion_potential_processherpaderping.toml to defense_evasion_potential_processherpaderping.toml
* Rename defense_evasion_potential_processherpaderping.toml to defense_evasion_potential_processherpaderping.toml
* ++
---------
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
(cherry picked from commit 341499a2bc
2023-12-19 21:05:02 +00:00
4c5b7548a1
[Security Content] Add Windows Investigation Guides ( #3257 )
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* [Security Content] Add Windows Investigation Guides
* Apply suggestions from code review
Co-authored-by: Joe Peeples <joe.peeples@elastic.co >
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Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
Co-authored-by: Joe Peeples <joe.peeples@elastic.co >
(cherry picked from commit 578936d37a
2023-12-19 15:44:04 +00:00
51c4e5b413
[Rule Tuning] Windows DR Tuning - 7 ( #3344 )
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* [Rule Tuning] Windows Rule Tuning -1
* Update command_and_control_ingress_transfer_bits.toml
(cherry picked from commit 2f468ddcba
2023-12-18 17:33:00 +00:00
ea6a0bec59
[Tuning] Suspicious Script Object Execution ( #3339 )
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* Update defense_evasion_suspicious_scrobj_load.toml
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Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com >
(cherry picked from commit 4b183be124
2023-12-14 23:54:57 +00:00
389ac555e2
[Tuning] Remote Scheduled Task Creation ( #3337 )
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* Update non-ecs-schema.json
* add timestamp override
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Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com >
(cherry picked from commit 07b952b7bc
2023-12-14 23:45:08 +00:00
74fadb8278
[Rule Tuning] Optimize query for Installation of Custom Shim Databases ( #3331 )
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* [Rule Tuning] Optimize query for Installation of Custom Shim Databases
* add timestamp override
* update query exceptions
* tighten endpoint index pattern to registry
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Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com >
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
(cherry picked from commit aff7f37b92
2023-12-14 22:09:21 +00:00
7ffbf19e86
[Rule Tuning] Optimize query for Direct Outbound SMB Connection ( #3329 )
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* [Rule Tuning] Optimize query for Direct Outbound SMB Connection
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Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com >
Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com >
Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com >
(cherry picked from commit a7b9a61942
2023-12-14 18:26:56 +00:00
6e82ddd307
[Tuning] Suspicious Managed Code Hosting Process ( #3338 )
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* Update defense_evasion_suspicious_managedcode_host_process.toml
* Update defense_evasion_suspicious_managedcode_host_process.toml
(cherry picked from commit 8b2aed4fc0
2023-12-14 17:57:16 +00:00
362b3291a9
[Tuning] Multiple Logon Failure Followed by Logon Success ( #3340 )
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* Update credential_access_bruteforce_multiple_logon_failure_followed_by_success.toml
* Update credential_access_bruteforce_multiple_logon_failure_followed_by_success.toml
(cherry picked from commit 727c23e3d2
2023-12-14 17:46:15 +00:00
d5e7f2c958
[Rule Tuning] Account Password Reset Remotely ( #3335 )
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* [Rule Tuning] Account Password Reset Remotely
- reduced maxspan from 5 to 1m (automated pwd reset)
- excluded most common noisy winlog.event_data.TargetUserName patterns (service account dedicated for pwd reset en masse)
* Update persistence_remote_password_reset.toml
(cherry picked from commit 7a4f1224dc
2023-12-14 17:27:33 +00:00
f3d2a73f26
[Rule Tuning] Windows DR Tuning - 6 ( #3246 )
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* [Rule Tuning] Windows DR Tuning - 6
* Update defense_evasion_masquerading_as_elastic_endpoint_process.toml
* Update defense_evasion_network_connection_from_windows_binary.toml
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Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com >
(cherry picked from commit 6f4c323929
2023-12-12 14:43:21 +00:00
Samirbous