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SigmaHQ/rules/windows/builtin
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Maxime Thiebaut 8dcbfd9aca Add AD User Enumeration 
When the "Read all properties" permission of a user object is set to be
audited in the AD, an event of ID 4662 (An operation was performed on an
object) is triggered whenever a property is accessed.

This rule detects these events by flagging any non-machine
`SubjectUserName` (i.e. another user) which accesses an object of the
`User` AD schema class.

Advantages of this rule include the detection of insider-enumeration
through automated tools such as BloodHound or manually through the usage
of the PowerShell ActiveDirectory module. Although this rule qualifies
as a medium severity one, this event could be qualified as high/critical
one if flagged on non-used canary user-accounts.

False positives may include administrators performing the initial
configuration of new users.
2020-03-31 09:40:07 +02:00
..
win_account_backdoor_dcsync_rights.yml resolve conflicts with rule IDs; restored and deprecated sysmon_mimikatz_detection_lsass.yml 2019-11-19 02:11:19 +01:00
win_account_discovery.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_ad_object_writedac_access.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_ad_replication_non_machine_account.yml Exclude Azure AD sync accounts from AD Replication rule 2020-03-02 16:43:20 +01:00
win_ad_user_enumeration.yml Add AD User Enumeration 2020-03-31 09:40:07 +02:00
win_admin_rdp_login.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_admin_share_access.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_alert_active_directory_user_control.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_alert_ad_user_backdoors.yml Merge branch 'master' into patch-1 2020-01-31 14:32:27 +01:00
win_alert_enable_weak_encryption.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_alert_lsass_access.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_alert_mimikatz_keywords.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_alert_ruler.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_apt_apt29_tor.yml Merge branch 'master' into oscd 2020-02-03 23:13:16 +01:00
win_apt_carbonpaper_turla.yml refactor: moved rues from 'apt' folder in respective folders 2020-02-01 17:59:26 +01:00
win_apt_stonedrill.yml refactor: moved rues from 'apt' folder in respective folders 2020-02-01 17:59:26 +01:00
win_apt_turla_service_png.yml refactor: moved rues from 'apt' folder in respective folders 2020-02-01 17:59:26 +01:00
win_atsvc_task.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_audit_cve.yml rule: added a reference 2020-01-24 15:31:06 +01:00
win_av_relevant_match.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_dcsync.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_disable_event_logging.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_dpapi_domain_backupkey_extraction.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_dpapi_domain_masterkey_backup_attempt.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_external_device.yml Update win_external_device.yml 2019-11-20 16:19:45 -06:00
win_GPO_scheduledtasks.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_hack_smbexec.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_impacket_secretdump.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_invoke_obfuscation_obfuscated_iex_services.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_lm_namedpipe.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_lsass_access_non_system_account.yml OSCD QA wave 1 2020-01-11 00:11:27 +01:00
win_mal_creddumper.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_mal_service_installs.yml Fixes 2020-02-16 23:24:00 +01:00
win_mal_wceaux_dll.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_meterpreter_or_cobaltstrike_getsystem_service_installation.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_mmc20_lateral_movement.yml fix: eventid in process_creation rules 2020-03-07 10:43:47 +01:00
win_net_ntlm_downgrade.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_new_or_renamed_user_account_with_dollar_sign.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_overpass_the_hash.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_pass_the_hash_2.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_pass_the_hash.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_possible_dc_sync.yml UUIDs + moved unsupported logic 2019-12-19 23:56:36 +01:00
win_protected_storage_service_access.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_quarkspwdump_clearing_hive_access_history.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_rare_schtasks_creations.yml newline in description - typo 2020-03-14 14:58:58 -04:00
win_rare_service_installs.yml newline in description - typo 2020-03-14 14:58:58 -04:00
win_rdp_bluekeep_poc_scanner.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_rdp_localhost_login.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_rdp_potential_cve-2019-0708.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_rdp_reverse_tunnel.yml Fixed tagging 2020-02-20 23:51:12 +01:00
win_register_new_logon_process_by_rubeus.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_remote_powershell_session.yml OSCD QA wave 3 2020-02-02 12:41:12 +01:00
win_remote_registry_management_using_reg_utility.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_sam_registry_hive_handle_request.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_scm_database_handle_failure.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_scm_database_privileged_operation.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_susp_add_domain_trust.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_add_sid_history.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_backup_delete.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_codeintegrity_check_failure.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_dhcp_config_failed.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_susp_dhcp_config.yml Add correct Source to detection to avoid FP 2020-03-24 19:49:24 +01:00
win_susp_dns_config.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_susp_dsrm_password_change.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_eventlog_cleared.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_failed_logon_reasons.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_failed_logons_single_source.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_susp_interactive_logons.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_kerberos_manipulation.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_ldap_dataexchange.yml Title capalized 2020-03-26 17:03:33 +01:00
win_susp_local_anon_logon_created.yml fix: missing id 2020-01-30 10:14:18 +01:00
win_susp_lsass_dump_generic.yml OSCD QA wave 1 2020-01-11 00:11:27 +01:00
win_susp_lsass_dump.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_mshta_execution.yml Merge branch 'master' into Renamed_Files 2020-01-31 08:49:10 +01:00
win_susp_msmpeng_crash.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_susp_net_recon_activity.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_ntlm_auth.yml Added UUIDs to rules 2019-11-12 23:12:27 +01:00
win_susp_psexec.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_susp_raccess_sensitive_fext.yml Merge branch 'master' into oscd 2020-02-03 23:13:16 +01:00
win_susp_rc4_kerberos.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_rottenpotato.yml fix: bugfix in RottenPotato rule - wrong identifier 2019-11-15 11:50:03 +01:00
win_susp_sam_dump.yml Further fixes and deduplications 2020-02-16 14:03:07 +01:00
win_susp_samr_pwset.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_sdelete.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_security_eventlog_cleared.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_susp_time_modification.yml rule: reduced level of system time mod rule 2020-01-27 14:30:09 +01:00
win_susp_wmi_login.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_suspicious_outbound_kerberos_connection.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_svcctl_remote_service.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_syskey_registry_access.yml Removed ATT&CK technique ids from titles and added tags 2020-01-11 00:33:50 +01:00
win_tap_driver_installation.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_transferring_files_with_credential_data_via_network_shares.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_usb_device_plugged.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_user_added_to_local_administrators.yml fix: fixed missing date fields in remaining files 2020-01-30 16:07:37 +01:00
win_user_couldnt_call_privileged_service_lsaregisterlogonprocess.yml Rule fixes 2020-02-20 23:00:16 +01:00
win_user_creation.yml fix: fixed casing and long rule titles 2020-01-30 17:26:09 +01:00
win_vul_cve_2020_0688.yml fix: keyword expression in rule 2020-02-29 16:03:31 +01:00