Detecting UAC bypass - ChangePK and SLUI registry tampering

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This query identifies setting a registry key under HKCU, launching slui.exe and then ChangePK.exe.

Attribute	Value
Type	Analytic Rule
Solution	FalconFriday
ID	829a69ba-93e1-491f-8a1f-b19506e9d88a
Severity	Medium
Status	Available
Kind	Scheduled
Tactics	Impact
Techniques	T1490
Required Connectors	MicrosoftThreatProtection
Source	View on GitHub

Tables Used

This content item queries data from the following tables:

Table	Selection Criteria	Transformations	Ingestion API	Lake-Only
DeviceProcessEvents	InitiatingProcessFileName == "changepk.exe" InitiatingProcessParentFileName == "slui.exe" ProcessIntegrityLevel == "High"	✓	✗	?

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