Ensure the 'sa' Login Account is set to 'Disabled'

高级别 1自动化mssql

说明

The sa account is a widely known and often widely used SQL Server account with sysadmin privileges. This is the original login created during installation and always has the principal_id=1 and sid=0x01. Checks the original sa login by SID 0x01 so a renamed sa is still found. Default: By default, the sa login account is disabled at install time when Windows Authentication Mode is selected. If mixed mode (SQL Server and Windows Authentication) is selected at install, the ... Runs one sqlcmd query with its defaults (Windows authentication to the local default instance); set SQLCMDSERVER, SQLCMDUSER and SQLCMDPASSWORD for another instance or SQL authentication. Needs VIEW SERVER STATE / sysadmin-level read access.

检查方式

审计方法: SQL 查询

sql_query

sqlcmd -b -h -1 -W -Q "SET NOCOUNT ON; SELECT COUNT(*) FROM sys.server_principals WHERE sid = 0x01 AND is_disabled = 0;"

预期输出: 0

修复方式

修复方法: 操作指南或基础设施补丁

Confirm no application or job uses the sa login (SID 0x01), then run: USE [master]; DECLARE @tsql nvarchar(max) = 'ALTER LOGIN ' + QUOTENAME(SUSER_NAME(0x01)) + ' DISABLE'; EXEC (@tsql);

属性

操作系统: 任意
标签: mssqldatabaseauthentication
参考: CIS Microsoft SQL Server 2025 Benchmark v1.0.0 - 2.13 Ensure the 'sa' Login Account is set to 'Disabled'

检查本机

请在您有权审计的机器上运行此命令。扫描为只读操作。

shell

tmaegis scan --target mssql