Windows 帐户或组发现编辑

此规则识别枚举帐户或组信息的命令执行。攻击者可能使用内置应用程序获取本地系统或域帐户和组的列表。

规则类型: eql

规则索引:

  • logs-endpoint.events.process-*

严重性: 低

风险评分: 21

每隔运行: 5 分钟

从以下时间开始搜索索引: now-9m (日期数学格式,另请参见 附加回溯时间)

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
  • 策略: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 许可证 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