潜在网络共享发现

编辑

攻击者可能会寻找远程系统上共享的文件夹和驱动器,以识别信息收集的来源,作为收集的前奏,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: 60m

搜索索引时间范围: now-119m (日期数学格式,另请参阅 额外回溯时间)

每次执行的最大告警数: 100

参考: 无

标签:

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

版本: 106

规则作者:

  • Elastic

规则许可证: Elastic License 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