Florian Roth 14fdf75ab5 fix: FPs noticed with THOR

2022-09-29 13:51:09 +02:00

..

win_aadhealth_mon_agent_regkey_access.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_aadhealth_svc_agent_regkey_access.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_account_backdoor_dcsync_rights.yml

Filter out FP of dnsZone

2022-08-16 16:40:05 +02:00

win_account_discovery.yml

Update win_account_discovery.yml

2022-07-13 06:45:39 +02:00

win_ad_object_writedac_access.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_ad_replication_non_machine_account.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_ad_user_enumeration.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_adcs_certificate_template_configuration_vulnerability_eku.yml

Fix a lot of typos in rules text and comments #Part 3 (#3446)

2022-08-30 08:21:25 +02:00

win_adcs_certificate_template_configuration_vulnerability.yml

Fix a lot of typos in rules text and comments #Part 3 (#3446)

2022-08-30 08:21:25 +02:00

win_admin_rdp_login.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_admin_share_access.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_alert_active_directory_user_control.yml

chore: test rules: reactivate single value list check

2022-05-10 17:13:04 +02:00

win_alert_ad_user_backdoors.yml

simplified condition

2021-12-08 20:12:57 +01:00

win_alert_enable_weak_encryption.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_alert_ruler.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_apt_chafer_mar18_security.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_apt_slingshot.yml

Order rules

2021-12-04 10:07:07 +01:00

win_apt_wocao.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_atsvc_task.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_camera_microphone_access.yml

simplified condition

2021-12-08 20:12:57 +01:00

win_dce_rpc_smb_spoolss_named_pipe.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_dcom_iertutil_dll_hijack.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_dcsync.yml

some fixes and refactoring

2022-04-26 15:32:56 +02:00

win_defender_bypass.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_diagtrack_eop_default_login_username.yml

DiagTrackEoP rules

2022-08-03 15:45:39 +01:00

win_disable_event_logging.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_dpapi_domain_backupkey_extraction.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_dpapi_domain_masterkey_backup_attempt.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_etw_modification.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_event_log_cleared.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_exploit_cve_2021_1675_printspooler_security.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_external_device.yml

Order rules

2021-12-04 10:07:07 +01:00

win_global_catalog_enumeration.yml

Update EID 5156 field names

2022-08-15 18:28:15 +01:00

win_gpo_scheduledtasks.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_hidden_user_creation.yml

fix: unknown --> Unknown

2022-03-16 13:43:54 +01:00

win_hybridconnectionmgr_svc_installation.yml

Order rules

2021-12-04 10:07:07 +01:00

win_impacket_psexec.yml

Update win_impacket_psexec.yml

2022-09-22 17:42:27 +02:00

win_impacket_secretdump.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_invoke_obfuscation_clip_services_security.yml

fix Provider_Name

2022-02-24 06:54:22 +01:00

win_invoke_obfuscation_obfuscated_iex_services_security.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_invoke_obfuscation_stdin_services_security.yml

refactor: more regex avoidance

2022-02-03 20:05:10 +01:00

win_invoke_obfuscation_var_services_security.yml

simplified condition

2021-12-08 20:12:57 +01:00

win_invoke_obfuscation_via_compress_services_security.yml

fix: unknown --> Unknown

2022-03-16 13:43:54 +01:00

win_invoke_obfuscation_via_rundll_services_security.yml

refactor regex

2022-03-06 20:15:32 +01:00

win_invoke_obfuscation_via_stdin_services_security.yml

refactor: more regex avoidance

2022-02-03 20:05:10 +01:00

win_invoke_obfuscation_via_use_clip_services_security.yml

some fixes and refactoring

2022-04-26 15:32:56 +02:00

win_invoke_obfuscation_via_use_mshta_services_security.yml

refactor: more regex avoidance

2022-02-03 20:05:10 +01:00

win_invoke_obfuscation_via_use_rundll32_services_security.yml

refactor regex

2022-03-06 20:15:32 +01:00

win_invoke_obfuscation_via_var_services_security.yml

simplified condition

2021-12-08 20:12:57 +01:00

win_iso_mount.yml

Order rules

2021-12-04 10:07:07 +01:00

win_lm_namedpipe.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_lolbas_execution_of_nltest.yml

Added quotes to strings

2022-09-01 15:22:26 +02:00

win_lsass_access_non_system_account.yml

fix: Aurora FPs with Nvidia update

2022-09-28 19:31:22 +02:00

win_mal_wceaux_dll.yml

fix: remove penetration testing as a valid false positive

2022-03-16 13:51:26 +01:00

win_metasploit_authentication.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_net_ntlm_downgrade.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_net_share_obj_susp_desktop_ini.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_new_or_renamed_user_account_with_dollar_sign.yml

fix: remove . from title

2022-04-06 17:04:10 +02:00

win_not_allowed_rdp_access.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_overpass_the_hash.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_pass_the_hash_2.yml

fix: remove penetration test as valid false positive reason

2022-03-16 14:33:18 +01:00

win_petitpotam_network_share.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_petitpotam_susp_tgt_request.yml

Revert "refactor: field IpAddress in ID 4624/4625 refactoring"

2022-04-27 10:54:41 +02:00

win_possible_dc_shadow.yml

fix: FPs noticed with THOR

2022-09-29 13:51:09 +02:00

win_protected_storage_service_access.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_rare_schtasks_creations.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_rdp_bluekeep_poc_scanner.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_rdp_localhost_login.yml

Revert "refactor: field IpAddress in ID 4624/4625 refactoring"

2022-04-27 10:54:41 +02:00

win_rdp_reverse_tunnel.yml

fix: FPs noticed with Aurora

2022-09-02 16:57:23 +02:00

win_register_new_logon_process_by_rubeus.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_remote_powershell_session.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_sam_registry_hive_handle_request.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_samaccountname_spoofing_cve_2021_42287.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_scheduled_task_deletion.yml

FP: filter m$ removaltools from %system32%\MRT.exe and reducing level to low from medium. Task removal could possibly even be just informational.

2022-05-16 14:48:01 +00:00

win_scm_database_handle_failure.yml

fix: FPs found in prod environment

2022-07-11 15:47:11 +02:00

win_scm_database_privileged_operation.yml

fix: FPs (testing, and Windows 2022 test system)

2022-09-18 16:21:05 +02:00

win_scrcons_remote_wmi_scripteventconsumer.yml

Order rules

2021-12-04 10:07:07 +01:00

win_security_cobaltstrike_service_installs.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_security_mal_creddumper.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_security_mal_service_installs.yml

fix: remove penetration testing as a valid false positive

2022-03-16 13:51:26 +01:00

win_security_metasploit_or_impacket_smb_psexec_service_install.yml

simplified condition

2021-12-08 20:12:57 +01:00

win_security_meterpreter_or_cobaltstrike_getsystem_service_install.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_security_powershell_script_installed_as_service.yml

refactor condition

2022-06-03 15:35:24 +02:00

win_security_tap_driver_installation.yml

Order rules

2021-12-04 10:07:07 +01:00

win_security_wmi_persistence.yml

refactor condition

2022-06-03 15:35:24 +02:00

win_smb_file_creation_admin_shares.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_susp_add_domain_trust.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_add_sid_history.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_susp_codeintegrity_check_failure.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_susp_computer_name.yml

Update win_susp_computer_name.yml

2022-09-09 18:53:48 +02:00

win_susp_dsrm_password_change.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_eventlog_cleared.yml

fix Provider_Name

2022-02-24 06:54:22 +01:00

win_susp_failed_logon_reasons.yml

Reducing the level of this item. This behavior happens too often in a normal enviornment, with day to day activity and no definitive threat. I believe a different rule, detecting a larger volume of this behavior would warrant a high level rating.

2022-06-29 13:32:19 +00:00

win_susp_failed_logon_source.yml

Revert "refactor: field IpAddress in ID 4624/4625 refactoring"

2022-04-27 10:54:41 +02:00

win_susp_failed_logons_explicit_credentials.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_process.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source2.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source_kerberos2.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source_kerberos3.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source_kerberos.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source_ntlm2.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source_ntlm.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_logons_single_source.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_failed_remote_logons_single_source.yml

refactor: rule adjustments based on hayabusa

2022-06-18 08:39:02 +02:00

win_susp_kerberos_manipulation.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_krbrelayup.yml

refactor: tightened krbrelayup rule

2022-04-27 11:54:51 +02:00

win_susp_ldap_dataexchange.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_susp_local_anon_logon_created.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_susp_logon_explicit_credentials.yml

Doesnt like single ticks around author

2022-08-03 13:36:50 +00:00

win_susp_logon_newcredentials.yml

Updates

2022-09-14 12:29:57 +02:00

win_susp_lsass_dump_generic.yml

fix: Aurora FPs with Nvidia update

2022-09-28 19:31:22 +02:00

win_susp_lsass_dump.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_susp_multiple_files_renamed_or_deleted.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_net_recon_activity.yml

Update

2022-08-22 14:52:41 +01:00

win_susp_opened_encrypted_zip_filename.yml

rule: added another keyword

2022-05-09 18:33:34 +02:00

win_susp_opened_encrypted_zip_outlook.yml

fix: several issues

2022-05-12 17:30:30 +02:00

win_susp_opened_encrypted_zip.yml

rule: encrypted ZIP files

2022-05-09 18:03:16 +02:00

win_susp_outbound_kerberos_connection.yml

Update EID 5156 field names

2022-08-15 18:28:15 +01:00

win_susp_psexec.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_susp_raccess_sensitive_fext.yml

chore: test rules: warn on errors or invalid FP reasons

2022-05-09 16:07:55 +02:00

win_susp_rc4_kerberos.yml

Fix ServiceName

2022-06-19 11:59:48 +02:00

win_susp_rottenpotato.yml

Revert "refactor: field IpAddress in ID 4624/4625 refactoring"

2022-04-27 10:54:41 +02:00

win_susp_samr_pwset.yml

Order rules

2021-12-04 10:07:07 +01:00

win_susp_sdelete.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_susp_time_modification.yml

Reducing to a low level, as this is not a single indicator of compromise. Users and scripts from time sensitive applications such as mfa/oauth will execute net time \\host /set /y

2022-08-03 13:18:32 +00:00

win_susp_wmi_login.yml

Order rules

2021-12-04 10:07:07 +01:00

win_svcctl_remote_service.yml

Fix ShareName

2022-08-11 19:19:07 +02:00

win_syskey_registry_access.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00

win_sysmon_channel_reference_deletion.yml

LOLBIN Updates

2022-08-19 23:05:46 +01:00

win_teams_suspicious_objectaccess.yml

Microsoft Teams Suspicious ObjectAccess events (#3500)

2022-09-17 08:47:35 +02:00

win_transferring_files_with_credential_data_via_network_shares.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_user_added_to_local_administrators.yml

Adjusted modified field to current date

2022-01-17 14:18:33 +01:00

win_user_couldnt_call_privileged_service_lsaregisterlogonprocess.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_user_creation.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_user_driver_loaded.yml

remove invalid tag

2022-01-19 18:23:30 +01:00

win_vssaudit_secevent_source_registration.yml

Update Ref+Selection

2022-07-11 14:11:53 +01:00

win_wmiprvse_wbemcomn_dll_hijack.yml

refactor: rule level adjustments - critical to high

2022-06-18 17:43:22 +02:00