Windows 系统网络连接发现编辑

此规则识别可用于枚举网络连接的命令执行。攻击者可能会尝试获取与受感染系统之间或来自受感染系统的网络连接列表,以识别环境中的目标。

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: 5m

从以下时间起搜索索引: now-9m (日期数学格式,另请参阅 Additional look-back time)

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: 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
(
  process.name : "netstat.exe" or
  (
   (
    (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 : ("use", "user", "session", "config") and not process.args: ("/persistent:*", "/delete", "\\\\*")
  ) or
  (process.name : "nbtstat.exe" and process.args : "-s*")
) and not user.id : "S-1-5-18"

框架: MITRE ATT&CKTM