从 Google 云端硬盘下载的可疑文件

编辑

从 Google 云端硬盘下载的可疑文件编辑

识别从 Google 云端硬盘 URL 下载可疑文件的情况。这可能表明试图通过受信任的网络服务传递网络钓鱼有效载荷。

规则类型: eql

规则索引:

  • auditbeat-*
  • logs-endpoint*
  • logs-system.security*

严重性: 中等

风险评分: 47

每隔: 5m

: now-9m (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:Linux
  • 操作系统:Windows
  • 操作系统:macOS
  • 用例:威胁检测
  • 策略:指挥和控制

版本: 3

规则作者:

  • Elastic

规则许可证: Elastic 许可证 v2

规则查询编辑

process where

    /* common browser processes  */
    event.action in ("exec", "fork", "start") and

    process.name : ("Microsoft Edge", "chrome.exe", "Google Chrome", "google-chrome-stable",
                    "google-chrome-beta", "google-chrome", "msedge.exe", "firefox.exe", "brave.exe",
                    "whale.exe", "browser.exe", "dragon.exe", "vivaldi.exe", "opera.exe", "firefox",
                    "powershell.exe", "curl", "curl.exe", "wget", "wget.exe") and

    /* Look for Google Drive download URL with AV flag skipping */
    (process.command_line : "*drive.google.com*" and process.command_line : "*export=download*" and process.command_line : "*confirm=no_antivirus*")

框架: MITRE ATT&CKTM