MSSQL 服务账户的异常进程

编辑

识别使用 MSSQL 服务账户执行的异常进程,这可能表明 SQL 实例被利用/入侵。攻击者可能会利用暴露的 MSSQL 实例进行初始访问或横向移动。

规则类型: eql

规则索引:

  • logs-endpoint.events.process-*

严重性: 低

风险评分: 21

运行频率: 5m

搜索索引的时间范围: now-9m (日期数学格式,另请参阅 额外的回溯时间)

每次执行的最大警报数: 100

参考资料:

标签:

  • 域: Endpoint
  • 操作系统: Windows
  • 用例: 威胁检测
  • 战术: 横向移动
  • 战术: 持久性
  • 数据源: Elastic Defend
  • 规则类型: BBR

版本: 4

规则作者:

  • Elastic

规则许可: Elastic License v2

规则查询

编辑
process where event.type == "start" and host.os.type == "windows" and
  user.name : (
    "SQLSERVERAGENT", "SQLAGENT$*",
    "MSSQLSERVER", "MSSQL$*",
    "MSSQLServerOLAPService",
    "ReportServer*", "MsDtsServer150",
    "MSSQLFDLauncher*",
    "SQLServer2005SQLBrowserUser$*",
    "SQLWriter", "winmgmt"
  ) and user.domain : "NT SERVICE" and
  not (
    (
      process.name : (
        "sqlceip.exe", "sqlservr.exe", "sqlagent.exe",
        "msmdsrv.exe", "ReportingServicesService.exe",
        "MsDtsSrvr.exe", "sqlbrowser.exe", "DTExec.exe",
        "SQLPS.exe", "fdhost.exe", "fdlauncher.exe",
        "SqlDumper.exe", "sqlsqm.exe", "DatabaseMail.exe",
        "ISServerExec.exe", "Microsoft.ReportingServices.Portal.WebHost.exe",
        "bcp.exe", "SQLCMD.exe", "DatabaseMail.exe"
      ) or
      process.executable : (
        "?:\\Windows\\System32\\wermgr.exe",
        "?:\\Windows\\System32\\conhost.exe",
        "?:\\Windows\\System32\\WerFault.exe"
      )
    ) and
    (
      process.code_signature.subject_name : ("Microsoft Corporation", "Microsoft Windows") and
      process.code_signature.trusted == true
    )
  ) and
  not (
    (process.name : "cmd.exe" and process.parent.name : "sqlservr.exe") or
    (process.name : "cmd.exe" and process.parent.name : "forfiles.exe" and process.command_line : "/c echo *")
  )

框架: MITRE ATT&CKTM