可疑故障排除包柜执行编辑

识别 Microsoft 诊断向导的执行,以从可疑路径打开 diagcab 文件,并带有异常父进程。这可能表示尝试执行恶意故障排除包柜文件。

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

每隔: 60m

从以下时间搜索索引: 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:

标签:

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

版本: 2

规则作者:

  • Elastic

规则许可证: Elastic 许可证 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