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HighSigmaHQThe DFIR Report

Suspicious Binaries and Scripts in Public Folder

Detects the creation of a file with a suspicious extension in the public folder, which could indicate potential malicious activity.

Detection logic

Detection requirements

Platform
ContainersIaaSLinuxmacOSWindows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
windows
Log source category
file_event

Known benign triggers

  • Administrators deploying legitimate binaries to public folders.

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