Windows 账户或组发现

编辑

此规则识别枚举账户或组信息的命令的执行。攻击者可能会使用内置应用程序来获取本地系统或域账户和组的列表。

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

搜索索引起始时间: 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: 无

标签:

  • 域: 端点
  • 操作系统: Windows
  • 用例: 威胁检测
  • 战术: 发现
  • 规则类型: BBR
  • 数据源: Elastic Defend

版本: 5

规则作者:

  • Elastic

规则许可证: Elastic License v2

规则查询

编辑
process where host.os.type == "windows" and event.type == "start" and
(
  (
   (
    (process.name : "net.exe" or process.pe.original_file_name == "net.exe") or
    (
     (process.name : "net1.exe" or process.pe.original_file_name == "net1.exe") and
     not process.parent.name : "net.exe"
    )
   ) and process.args : ("accounts", "group", "user", "localgroup") and not process.args : "/add"
  ) or
  (process.name:("dsquery.exe", "dsget.exe") and process.args:("*members*", "user")) or
  (process.name:"dsquery.exe" and process.args:"*filter*") or
  process.name:("quser.exe", "qwinsta.exe", "PsGetSID.exe", "PsLoggedOn.exe", "LogonSessions.exe", "whoami.exe") or
  (
    process.name: "cmd.exe" and
    (
      process.args : "echo" and process.args : (
        "%username%", "%userdomain%", "%userdnsdomain%",
        "%userdomain_roamingprofile%", "%userprofile%",
        "%homepath%", "%localappdata%", "%appdata%"
      ) or
      process.args : "set"
    )
  )
) and not process.parent.args: "C:\\Program Files (x86)\\Microsoft Intune Management Extension\\Content\\DetectionScripts\\*.ps1"
and not process.parent.name : "LTSVC.exe" and not user.id : "S-1-5-18"

框架: MITRE ATT&CKTM