Mshta 建立网络连接

编辑

识别 Mshta.exe 建立出站网络连接。这可能表明存在恶意活动,因为 Mshta 经常被攻击者利用来执行恶意脚本并逃避检测。

规则类型: eql

规则索引:

  • logs-endpoint.events.process-*
  • logs-endpoint.events.network-*
  • winlogbeat-*
  • logs-windows.sysmon_operational-*

严重性: 中

风险评分: 47

运行频率: 5 分钟

搜索索引的时间范围: now-20m (日期数学格式,另请参阅 额外回溯时间)

每次执行的最大警报数: 100

参考资料:

标签:

  • 域: 端点
  • 操作系统: Windows
  • 用例: 威胁检测
  • 战术: 防御规避
  • 数据源: Elastic Defend
  • 数据源: Sysmon

版本: 208

规则作者:

  • Elastic

规则许可证: Elastic License v2

规则查询

编辑
sequence by process.entity_id with maxspan=10m
  [process where host.os.type == "windows" and event.type == "start" and process.name : "mshta.exe" and
     not process.parent.name : "Microsoft.ConfigurationManagement.exe" and
     not (process.parent.executable : "C:\\Amazon\\Amazon Assistant\\amazonAssistantService.exe" or
          process.parent.executable : "C:\\TeamViewer\\TeamViewer.exe") and
     not process.args : "ADSelfService_Enroll.hta"]
  [network where host.os.type == "windows" and process.name : "mshta.exe"]

框架: MITRE ATT&CKTM