brokensound77
6ce418877f
# Conflicts: # etc/version.lock.json # rules/cross-platform/defense_evasion_deleting_websvr_access_logs.toml # rules/cross-platform/impact_hosts_file_modified.toml # rules/cross-platform/privilege_escalation_setuid_setgid_bit_set_via_chmod.toml # rules/cross-platform/privilege_escalation_sudoers_file_mod.toml # rules/linux/defense_evasion_deletion_of_bash_command_line_history.toml # rules/linux/defense_evasion_timestomp_touch.toml # rules/linux/privilege_escalation_setgid_bit_set_via_chmod.toml # rules/macos/credential_access_credentials_keychains.toml # rules/macos/credential_access_promt_for_pwd_via_osascript.toml # rules/macos/defense_evasion_attempt_del_quarantine_attrib.toml # rules/network/command_and_control_cobalt_strike_default_teamserver_cert.toml # rules/promotions/external_alerts.toml # rules/windows/collection_email_powershell_exchange_mailbox.toml # rules/windows/collection_persistence_powershell_exch_mailbox_activesync_add_device.toml # rules/windows/collection_winrar_encryption.toml # rules/windows/command_and_control_common_webservices.toml # rules/windows/command_and_control_encrypted_channel_freesslcert.toml # rules/windows/command_and_control_remote_file_copy_desktopimgdownldr.toml # rules/windows/command_and_control_remote_file_copy_mpcmdrun.toml # rules/windows/command_and_control_teamviewer_remote_file_copy.toml # rules/windows/credential_access_cmdline_dump_tool.toml # rules/windows/credential_access_copy_ntds_sam_volshadowcp_cmdline.toml # rules/windows/credential_access_credential_dumping_msbuild.toml # rules/windows/credential_access_domain_backup_dpapi_private_keys.toml # rules/windows/credential_access_dump_registry_hives.toml # rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml # rules/windows/credential_access_iis_connectionstrings_dumping.toml # rules/windows/credential_access_kerberoasting_unusual_process.toml # rules/windows/credential_access_lsass_memdump_file_created.toml # rules/windows/credential_access_mimikatz_memssp_default_logs.toml # rules/windows/defense_evasion_adding_the_hidden_file_attribute_with_via_attribexe.toml # rules/windows/defense_evasion_clearing_windows_event_logs.toml # rules/windows/defense_evasion_code_injection_conhost.toml # rules/windows/defense_evasion_cve_2020_0601.toml # rules/windows/defense_evasion_delete_volume_usn_journal_with_fsutil.toml # rules/windows/defense_evasion_deleting_backup_catalogs_with_wbadmin.toml # rules/windows/defense_evasion_disable_windows_firewall_rules_with_netsh.toml # rules/windows/defense_evasion_dotnet_compiler_parent_process.toml # rules/windows/defense_evasion_enable_inbound_rdp_with_netsh.toml # rules/windows/defense_evasion_encoding_or_decoding_files_via_certutil.toml # rules/windows/defense_evasion_execution_lolbas_wuauclt.toml # rules/windows/defense_evasion_execution_msbuild_started_by_office_app.toml # rules/windows/defense_evasion_execution_msbuild_started_by_script.toml # rules/windows/defense_evasion_execution_msbuild_started_by_system_process.toml # rules/windows/defense_evasion_execution_msbuild_started_renamed.toml # rules/windows/defense_evasion_execution_msbuild_started_unusal_process.toml # rules/windows/defense_evasion_execution_suspicious_explorer_winword.toml # rules/windows/defense_evasion_execution_via_trusted_developer_utilities.toml # rules/windows/defense_evasion_hide_encoded_executable_registry.toml # rules/windows/defense_evasion_iis_httplogging_disabled.toml # rules/windows/defense_evasion_injection_msbuild.toml # rules/windows/defense_evasion_masquerading_as_elastic_endpoint_process.toml # rules/windows/defense_evasion_masquerading_renamed_autoit.toml # rules/windows/defense_evasion_masquerading_suspicious_werfault_childproc.toml # rules/windows/defense_evasion_masquerading_trusted_directory.toml # rules/windows/defense_evasion_modification_of_boot_config.toml # rules/windows/defense_evasion_port_forwarding_added_registry.toml # rules/windows/defense_evasion_scheduledjobs_at_protocol_enabled.toml # rules/windows/defense_evasion_sdelete_like_filename_rename.toml # rules/windows/defense_evasion_solarwinds_backdoor_service_disabled_via_registry.toml # rules/windows/defense_evasion_suspicious_managedcode_host_process.toml # rules/windows/defense_evasion_suspicious_zoom_child_process.toml # rules/windows/defense_evasion_system_critical_proc_abnormal_file_activity.toml # rules/windows/defense_evasion_unusual_dir_ads.toml # rules/windows/defense_evasion_unusual_system_vp_child_program.toml # rules/windows/defense_evasion_via_filter_manager.toml # rules/windows/defense_evasion_volume_shadow_copy_deletion_via_wmic.toml # rules/windows/discovery_adfind_command_activity.toml # rules/windows/discovery_admin_recon.toml # rules/windows/discovery_file_dir_discovery.toml # rules/windows/discovery_net_command_system_account.toml # rules/windows/discovery_net_view.toml # rules/windows/discovery_peripheral_device.toml # rules/windows/discovery_process_discovery_via_tasklist_command.toml # rules/windows/discovery_query_registry_via_reg.toml # rules/windows/discovery_remote_system_discovery_commands_windows.toml # rules/windows/discovery_security_software_wmic.toml # rules/windows/discovery_whoami_command_activity.toml # rules/windows/execution_apt_solarwinds_backdoor_child_cmd_powershell.toml # rules/windows/execution_apt_solarwinds_backdoor_unusual_child_processes.toml # rules/windows/execution_command_shell_started_by_powershell.toml # rules/windows/execution_command_shell_started_by_svchost.toml # rules/windows/execution_command_shell_started_by_unusual_process.toml # rules/windows/execution_command_shell_via_rundll32.toml # rules/windows/execution_from_unusual_directory.toml # rules/windows/execution_from_unusual_path_cmdline.toml # rules/windows/execution_shared_modules_local_sxs_dll.toml # rules/windows/execution_suspicious_cmd_wmi.toml # rules/windows/execution_suspicious_image_load_wmi_ms_office.toml # rules/windows/execution_suspicious_pdf_reader.toml # rules/windows/execution_suspicious_powershell_imgload.toml # rules/windows/execution_suspicious_psexesvc.toml # rules/windows/execution_suspicious_short_program_name.toml # rules/windows/execution_via_compiled_html_file.toml # rules/windows/execution_via_hidden_shell_conhost.toml # rules/windows/execution_via_net_com_assemblies.toml # rules/windows/execution_via_xp_cmdshell_mssql_stored_procedure.toml # rules/windows/impact_volume_shadow_copy_deletion_via_vssadmin.toml # rules/windows/initial_access_script_executing_powershell.toml # rules/windows/initial_access_suspicious_ms_office_child_process.toml # rules/windows/initial_access_suspicious_ms_outlook_child_process.toml # rules/windows/initial_access_unusual_dns_service_children.toml # rules/windows/initial_access_unusual_dns_service_file_writes.toml # rules/windows/initial_access_via_explorer_suspicious_child_parent_args.toml # rules/windows/lateral_movement_execution_from_tsclient_mup.toml # rules/windows/lateral_movement_local_service_commands.toml # rules/windows/lateral_movement_mount_hidden_or_webdav_share_net.toml # rules/windows/lateral_movement_rdp_enabled_registry.toml # rules/windows/lateral_movement_rdp_tunnel_plink.toml # rules/windows/lateral_movement_remote_file_copy_hidden_share.toml # rules/windows/lateral_movement_suspicious_rdp_client_imageload.toml # rules/windows/lateral_movement_via_startup_folder_rdp_smb.toml # rules/windows/persistence_adobe_hijack_persistence.toml # rules/windows/persistence_appcertdlls_registry.toml # rules/windows/persistence_appinitdlls_registry.toml # rules/windows/persistence_evasion_registry_ifeo_injection.toml # rules/windows/persistence_gpo_schtask_service_creation.toml # rules/windows/persistence_local_scheduled_task_commands.toml # rules/windows/persistence_ms_office_addins_file.toml # rules/windows/persistence_ms_outlook_vba_template.toml # rules/windows/persistence_priv_escalation_via_accessibility_features.toml # rules/windows/persistence_registry_uncommon.toml # rules/windows/persistence_run_key_and_startup_broad.toml # rules/windows/persistence_services_registry.toml # rules/windows/persistence_startup_folder_file_written_by_suspicious_process.toml # rules/windows/persistence_startup_folder_scripts.toml # rules/windows/persistence_suspicious_com_hijack_registry.toml # rules/windows/persistence_suspicious_image_load_scheduled_task_ms_office.toml # rules/windows/persistence_suspicious_scheduled_task_runtime.toml # rules/windows/persistence_suspicious_service_created_registry.toml # rules/windows/persistence_system_shells_via_services.toml # rules/windows/persistence_user_account_creation.toml # rules/windows/persistence_via_application_shimming.toml # rules/windows/persistence_via_hidden_run_key_valuename.toml # rules/windows/persistence_via_lsa_security_support_provider_registry.toml # rules/windows/persistence_via_telemetrycontroller_scheduledtask_hijack.toml # rules/windows/persistence_via_update_orchestrator_service_hijack.toml # rules/windows/persistence_via_windows_management_instrumentation_event_subscription.toml # rules/windows/privilege_escalation_named_pipe_impersonation.toml # rules/windows/privilege_escalation_printspooler_service_suspicious_file.toml # rules/windows/privilege_escalation_printspooler_suspicious_spl_file.toml # rules/windows/privilege_escalation_rogue_windir_environment_var.toml # rules/windows/privilege_escalation_uac_bypass_com_clipup.toml # rules/windows/privilege_escalation_uac_bypass_com_ieinstal.toml # rules/windows/privilege_escalation_uac_bypass_com_interface_icmluautil.toml # rules/windows/privilege_escalation_uac_bypass_diskcleanup_hijack.toml # rules/windows/privilege_escalation_uac_bypass_dll_sideloading.toml # rules/windows/privilege_escalation_uac_bypass_event_viewer.toml # rules/windows/privilege_escalation_uac_bypass_mock_windir.toml # rules/windows/privilege_escalation_uac_bypass_winfw_mmc_hijack.toml # rules/windows/privilege_escalation_unusual_parentchild_relationship.toml # rules/windows/privilege_escalation_unusual_svchost_childproc_childless.toml
40 lines
1.0 KiB
TOML
40 lines
1.0 KiB
TOML
[metadata]
|
|
creation_date = "2020/02/18"
|
|
maturity = "production"
|
|
updated_date = "2020/02/16"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = "Identifies a suspicious parent child process relationship with cmd.exe descending from svchost.exe"
|
|
from = "now-9m"
|
|
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
|
|
language = "kuery"
|
|
license = "Elastic License"
|
|
name = "Svchost spawning Cmd"
|
|
risk_score = 21
|
|
rule_id = "fd7a6052-58fa-4397-93c3-4795249ccfa2"
|
|
severity = "low"
|
|
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.category:process and event.type:(start or process_started) and
|
|
process.parent.name:svchost.exe and process.name:cmd.exe
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1059"
|
|
name = "Command and Scripting Interpreter"
|
|
reference = "https://attack.mitre.org/techniques/T1059/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
|