Suspicious WinRAR Creating Files in Startup Locations (via file_event)

This rule detects WinRAR creating files in Windows startup locations, which may indicate an attempt to establish persistence by adding hostile files to the Startup folder. This kind of behaviour has been linked with exploitation of WinRAR path traversal vulnerability CVE-2025-6218 or CVE-2025-8088.

SigmahighWindowsv1
Full detection rule

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Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.