潜在网络共享发现编辑

攻击者可能寻找远程系统上共享的文件夹和驱动器,以识别作为收集前兆的信息来源,并识别横向移动的潜在目标系统。

规则类型: eql

规则索引:

  • winlogbeat-*
  • logs-windows.*
  • logs-system.security*

严重性: 低

风险评分: 21

每隔运行: 60m

从以下时间开始搜索索引: now-119m (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
  • 策略:收集
  • 规则类型:BBR

版本: 3

规则作者:

  • Elastic

规则许可证: Elastic 许可证 v2

规则查询编辑

sequence by user.name, source.port, source.ip with maxspan=15s
 [file where event.action == "network-share-object-access-checked" and
  winlog.event_data.ShareName in ("\\\\*\\ADMIN$", "\\\\*\\C$") and
  source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
 [file where event.action == "network-share-object-access-checked" and
  winlog.event_data.ShareName in ("\\\\*\\ADMIN$", "\\\\*\\C$") and
  source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]

框架: MITRE ATT&CKTM