Necessary services must be documented to maintain a baseline to determine if additional, unnecessary services have been added to a system.

From Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide

Part of Unnecessary Services

Associated with: CCI-000381

SV-52218r2_rule Necessary services must be documented to maintain a baseline to determine if additional, unnecessary services have been added to a system.

Vulnerability discussion

Unnecessary services increase the attack surface of a system. Some services may be run under the local System account, which generally has more permissions than required by the service. Compromising a service could allow an intruder to obtain system permissions and open the system to a variety of attacks.

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Required services will vary between organizations, and on the role of the individual system. Organizations will develop their own list of services which will be documented and justified with the ISSO. The site's list will be provided for any security review. Services common to multiple systems can be addressed in one document. Exceptions for individual systems should be identified separately by system. Individual services specifically required to be disabled per the STIG are identified in separate requirements. If the site has not documented the services required for their system(s), this is a finding. The following can be used to view the services on a system: Run "Services.msc". Services for Windows Server 2012 roles are managed automatically, adding those necessary for a particular role. The following lists the default services for a baseline installation as a reference. This can be used as a basis for documenting the services necessary. Default Installation Name - Startup Type Application Experience - Manual (Trigger Start) Application Identity - Manual (Trigger Start) Application Information - Manual Application Layer Gateway Service - Manual Application Management - Manual Background Intelligent Transfer Service - Automatic (Delayed Start) Background Tasks Infrastructure Service - Automatic Base Filtering Engine - Automatic Certificate Propagation - Manual CNG Key Isolation - Manual (Trigger Start) COM+ Event System - Automatic COM+ System Application - Manual Computer Browser - Disabled Credential Manager - Manual Cryptographic Services - Automatic DCOM Server Process Launcher - Automatic Device Association Service - Manual (Trigger Start) Device Install Service - Manual (Trigger Start) Device Setup Manager - Manual (Trigger Start) DHCP Client - Automatic Diagnostic Policy Service - Automatic (Delayed Start) Diagnostic Service Host - Manual Diagnostic System Host - Manual Distributed Link Tracking Client - Automatic Distributed Transaction Coordinator - Automatic (Delayed Start) DNS Client - Automatic (Trigger Start) Encrypting File System (EFS) - Manual (Trigger Start) Extensible Authentication Protocol - Manual Function Discovery Provider Host - Manual Function Discovery Resource Publication - Manual Group Policy Client - Automatic (Trigger Start) Health Key and Certificate Management - Manual Human Interface Device Access - Manual (Trigger Start) Hyper-V Data Exchange Service - Manual (Trigger Start) Hyper-V Guest Shutdown Service - Manual (Trigger Start) Hyper-V Heartbeat Service - Manual (Trigger Start) Hyper-V Remote Desktop Virtualization Service - Manual (Trigger Start) Hyper-V Time Synchronization Service - Manual (Trigger Start) Hyper-V Volume Shadow Copy Requestor - Manual (Trigger Start) IKE and AuthIP IPsec Keying Modules - Manual (Trigger Start) Interactive Services Detection - Manual Internet Connection Sharing (ICS) - Disabled IP Helper - Automatic IPsec Policy Agent - Manual (Trigger Start) KDC Proxy Server service (KPS) - Manual KtmRm for Distributed Transaction Coordinator - Manual (Trigger Start) Link-Layer Topology Discovery Mapper - Manual Local Session Manager - Automatic Microsoft iSCSI Initiator Service - Manual Microsoft Software Shadow Copy Provider - Manual Multimedia Class Scheduler - Manual Net.Tcp Port Sharing Service - Disabled Netlogon - Manual Network Access Protection Agent - Manual Network Connections - Manual Network Connectivity Assistant - Manual (Trigger Start) Network List Service - Manual Network Location Awareness - Automatic Network Store Interface Service - Automatic Optimize drives - Manual Performance Counter DLL Host - Manual Performance Logs & Alerts - Manual Plug and Play - Manual Portable Device Enumerator Service - Manual (Trigger Start) Power - Automatic Print Spooler - Automatic Printer Extensions and Notifications - Manual Problem Reports and Solutions Control Panel Support - Manual Remote Access Auto Connection Manager - Manual Remote Access Connection Manager - Manual Remote Desktop Configuration - Manual Remote Desktop Services - Manual Remote Desktop Services UserMode Port Redirector - Manual Remote Procedure Call (RPC) - Automatic Remote Procedure Call (RPC) Locator - Manual Remote Registry - Automatic (Trigger Start) Resultant Set of Policy Provider - Manual Routing and Remote Access - Disabled RPC Endpoint Mapper - Automatic Secondary Logon - Manual Secure Socket Tunneling Protocol Service - Manual Security Accounts Manager - Automatic Server - Automatic Shell Hardware Detection - Automatic Smart Card - Disabled Smart Card Removal Policy - Manual SNMP Trap - Manual Software Protection - Automatic (Delayed Start, Trigger Start) Special Administration Console Helper - Manual Spot Verifier - Manual (Trigger Start) SSDP Discovery - Disabled Superfetch - Manual System Event Notification Service - Automatic Task Scheduler - Automatic TCP/IP NetBIOS Helper - Automatic (Trigger Start) Telephony - Manual Themes - Automatic Thread Ordering Server - Manual UPnP Device Host - Disabled User Access Logging Service - Automatic (Delayed Start) User Profile Service - Automatic Virtual Disk - Manual Volume Shadow Copy - Manual Windows All-User Install Agent - Manual (Trigger Start) Windows Audio - Manual Windows Audio Endpoint Builder - Manual Windows Color System - Manual Windows Driver Foundation - User-mode Driver Framework - Manual (Trigger Start) Windows Error Reporting Service - Manual (Trigger Start) Windows Event Collector - Manual Windows Event Log - Automatic Windows Firewall - Automatic Windows Font Cache Service - Automatic Windows Installer - Manual Windows Licensing Monitoring Service - Automatic Windows Management Instrumentation - Automatic Windows Modules Installer - Manual Windows Remote Management (WS-Management) - Automatic Windows Store Service (WSService) - Manual (Trigger Start) Windows Time - Manual (Trigger Start) Windows Update - Manual WinHTTP Web Proxy Auto-Discovery Service - Manual Wired AutoConfig - Manual WMI Performance Adapter - Manual Workstation - Automatic

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Document the services required for the system to operate. Remove or disable any services that are not required.

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