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MediumSigmaHQJose Luis Sanchez Martinez (@Joseliyo_Jstnk)

ScreenSaver Registry Key Set

Detects registry key established after masqueraded .scr file execution using Rundll32 through desk.cpl

Detection logic

Detection requirements

Platform
Windows

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

Log source product
windows
Log source category
registry_set

Known benign triggers

  • Legitimate use of screen saver

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