可疑的故障排除包 Cabinet 执行

编辑

识别 Microsoft 诊断向导从可疑路径和不寻常的父进程打开 diagcab 文件的执行。这可能表明尝试执行恶意故障排除包 Cabinet 文件。

规则类型: eql

规则索引:

  • logs-endpoint.events.process-*
  • logs-system.security*
  • winlogbeat-*
  • logs-windows.*
  • endgame-*

严重性: 低

风险评分: 21

运行频率: 60分钟

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)

每次执行的最大警报数: 100

参考:

标签:

  • 域: 端点
  • 操作系统: Windows
  • 用例: 威胁检测
  • 战术: 防御规避
  • 规则类型: BBR
  • 数据源: Elastic Defend
  • 数据源: Elastic Endgame
  • 数据源: 系统

版本: 104

规则作者:

  • Elastic

规则许可证: Elastic License v2

规则查询

编辑
process where host.os.type == "windows" and event.action == "start" and
  (process.name : "msdt.exe" or ?process.pe.original_file_name == "msdt.exe") and process.args : "/cab" and
  process.parent.name : (
    "firefox.exe", "chrome.exe", "msedge.exe", "explorer.exe", "brave.exe", "whale.exe", "browser.exe",
    "dragon.exe", "vivaldi.exe", "opera.exe", "iexplore", "firefox.exe", "waterfox.exe", "iexplore.exe",
    "winrar.exe", "winrar.exe", "7zFM.exe", "outlook.exe", "winword.exe", "excel.exe"
  ) and
  process.args : (
    "?:\\Users\\*",
    "\\\\*",
    "http*",
    "ftp://*"
  )

框架: MITRE ATT&CKTM