SID Strings

In the security descriptor definition language (SDDL), security descriptor string use SID strings for the following components of a security descriptor:

  • Owner
  • Primary group
  • The trustee in an ACE

A SID string in a security descriptor string can use either the standard string representation of a SID (S-R-I-S-S…) or one of the string constants defined in Sddl.h. For more information about the standard SID string notation, see SID Components.

The following SID string constants for well-known SIDs are defined in Sddl.h. For information about the corresponding relative IDs (RIDs), see Well-known SIDs.

SID string Constant in Sddl.h Account alias and corresponding RID

"AN"

SDDL_ANONYMOUS

Anonymous logon. The corresponding RID is SECURITY_ANONYMOUS_LOGON_RID.

"AO"

SDDL_ACCOUNT_OPERATORS

Account operators. The corresponding RID is DOMAIN_ALIAS_RID_ACCOUNT_OPS.

"AU"

SDDL_AUTHENTICATED_USERS

Authenticated users. The corresponding RID is SECURITY_AUTHENTICATED_USER_RID.

"BA"

SDDL_BUILTIN_ADMINISTRATORS

Built-in administrators. The corresponding RID is DOMAIN_ALIAS_RID_ADMINS.

"BG"

SDDL_BUILTIN_GUESTS

Built-in guests. The corresponding RID is DOMAIN_ALIAS_RID_GUESTS.

"BO"

SDDL_BACKUP_OPERATORS

Backup operators. The corresponding RID is DOMAIN_ALIAS_RID_BACKUP_OPS.

"BU"

SDDL_BUILTIN_USERS

Built-in users. The corresponding RID is DOMAIN_ALIAS_RID_USERS.

"CA"

SDDL_CERT_SERV_ADMINISTRATORS

Certificate publishers. The corresponding RID is DOMAIN_GROUP_RID_CERT_ADMINS.

"CD"

SDDL_CERTSVC_DCOM_ACCESS

Users who can connect to certification authorities using Distributed Component Object Model (DCOM). The corresponding RID is DOMAIN_ALIAS_RID_CERTSVC_DCOM_ACCESS_GROUP.

"CG"

SDDL_CREATOR_GROUP

Creator group. The corresponding RID is SECURITY_CREATOR_GROUP_RID.

"CO"

SDDL_CREATOR_OWNER

Creator owner. The corresponding RID is SECURITY_CREATOR_OWNER_RID.

"DA"

SDDL_DOMAIN_ADMINISTRATORS

Domain administrators. The corresponding RID is DOMAIN_GROUP_RID_ADMINS.

"DC"

SDDL_DOMAIN_COMPUTERS

Domain computers. The corresponding RID is DOMAIN_GROUP_RID_COMPUTERS.

"DD"

SDDL_DOMAIN_DOMAIN_CONTROLLERS

Domain controllers. The corresponding RID is DOMAIN_GROUP_RID_CONTROLLERS.

"DG"

SDDL_DOMAIN_GUESTS

Domain guests. The corresponding RID is DOMAIN_GROUP_RID_GUESTS.

"DU"

SDDL_DOMAIN_USERS

Domain users. The corresponding RID is DOMAIN_GROUP_RID_USERS.

"EA"

SDDL_ENTERPRISE_ADMINS

Enterprise administrators. The corresponding RID is DOMAIN_GROUP_RID_ENTERPRISE_ADMINS.

"ED"

SDDL_ENTERPRISE_DOMAIN_CONTROLLERS

Enterprise domain controllers. The corresponding RID is SECURITY_SERVER_LOGON_RID.

"HI"

SDDL_ML_HIGH

High integrity level. The corresponding RID is SECURITY_MANDATORY_HIGH_RID.

"IU"

SDDL_INTERACTIVE

Interactively logged-on user. This is a group identifier added to the token of a process when it was logged on interactively. The corresponding logon type is LOGON32_LOGON_INTERACTIVE. The corresponding RID is SECURITY_INTERACTIVE_RID.

"LA"

SDDL_LOCAL_ADMIN

Local administrator. The corresponding RID is DOMAIN_USER_RID_ADMIN.

"LG"

SDDL_LOCAL_GUEST

Local guest. The corresponding RID is DOMAIN_USER_RID_GUEST.

"LS"

SDDL_LOCAL_SERVICE

Local service account. The corresponding RID is SECURITY_LOCAL_SERVICE_RID.

"LW"

SDDL_ML_LOW

Low integrity level. The corresponding RID is SECURITY_MANDATORY_LOW_RID.

"ME"

SDDL_MLMEDIUM

Medium integrity level. The corresponding RID is SECURITY_MANDATORY_MEDIUM_RID.

"MU"

SDDL_PERFMON_USERS

Performance Monitor users.

"NO"

SDDL_NETWORK_CONFIGURATION_OPS

Network configuration operators. The corresponding RID is DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS.

"NS"

SDDL_NETWORK_SERVICE

Network service account. The corresponding RID is SECURITY_NETWORK_SERVICE_RID.

"NU"

SDDL_NETWORK

Network logon user. This is a group identifier added to the token of a process when it was logged on across a network. The corresponding logon type is LOGON32_LOGON_NETWORK. The corresponding RID is SECURITY_NETWORK_RID.

"PA"

SDDL_GROUP_POLICY_ADMINS

Group Policy administrators. The corresponding RID is DOMAIN_GROUP_RID_POLICY_ADMINS.

"PO"

SDDL_PRINTER_OPERATORS

Printer operators. The corresponding RID is DOMAIN_ALIAS_RID_PRINT_OPS.

"PS"

SDDL_PERSONAL_SELF

Principal self. The corresponding RID is SECURITY_PRINCIPAL_SELF_RID.

"PU"

SDDL_POWER_USERS

Power users. The corresponding RID is DOMAIN_ALIAS_RID_POWER_USERS.

"RC"

SDDL_RESTRICTED_CODE

Restricted code. This is a restricted token created using the CreateRestrictedToken function. The corresponding RID is SECURITY_RESTRICTED_CODE_RID.

"RD"

SDDL_REMOTE_DESKTOP

Terminal server users. The corresponding RID is DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS.

"RE"

SDDL_REPLICATOR

Replicator. The corresponding RID is DOMAIN_ALIAS_RID_REPLICATOR.

"RO"

SDDL_ENTERPRISE_RO_DCs

Enterprise Read-only domain controllers. The corresponding RID is DOMAIN_GROUP_RID_ENTERPRISE_READONLY_DOMAIN_CONTROLLERS.

"RS"

SDDL_RAS_SERVERS

RAS servers group. The corresponding RID is DOMAIN_ALIAS_RID_RAS_SERVERS.

"RU"

SDDL_ALIAS_PREW2KCOMPACC

Alias to grant permissions to accounts that use applications compatible with operating systems previous to Windows 2000. The corresponding RID is DOMAIN_ALIAS_RID_PREW2KCOMPACCESS.

"SA"

SDDL_SCHEMA_ADMINISTRATORS

Schema administrators. The corresponding RID is DOMAIN_GROUP_RID_SCHEMA_ADMINS.

"SI"

SDDL_ML_SYSTEM

System integrity level. The corresponding RID is SECURITY_MANDATORY_SYSTEM_RID.

"SO"

SDDL_SERVER_OPERATORS

Server operators. The corresponding RID is DOMAIN_ALIAS_RID_SYSTEM_OPS.

"SU"

SDDL_SERVICE

Service logon user. This is a group identifier added to the token of a process when it was logged as a service. The corresponding logon type is LOGON32_LOGON_SERVICE. The corresponding RID is SECURITY_SERVICE_RID.

"SY"

SDDL_LOCAL_SYSTEM

Local system. The corresponding RID is SECURITY_LOCAL_SYSTEM_RID.

"WD"

SDDL_EVERYONE

Everyone. The corresponding RID is SECURITY_WORLD_RID.

 

The ConvertSidToStringSid and ConvertStringSidToSid functions always use the standard SID string notation and do not support SDDL SID string constants.

For more information about well-known SIDs, see Well-known SIDs.

Related topics

[MS-DTYP]: Security Descriptor Description Language

 

 

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