Detectionhightest
UAC Bypass Using ChangePK and SLUI
Detects an UAC bypass that uses changepk.exe and slui.exe (UACMe 61)
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Christian Burkard (Nextron Systems)Created Mon Aug 23Updated Sun Dec 01503d581c-7df0-4bbe-b9be-5840c0ecc1fcwindows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith: '\changepk.exe'
ParentImage|endswith: '\slui.exe'
IntegrityLevel:
- 'High'
- 'System'
- 'S-1-16-16384' # System
- 'S-1-16-12288' # High
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
503d581c-7df0-4bbe-b9be-5840c0ecc1fc
Status
test
Level
high
Type
Detection
Created
Mon Aug 23
Modified
Sun Dec 01
Path
rules/windows/process_creation/proc_creation_win_uac_bypass_changepk_slui.yml
Raw Tags
attack.defense-evasionattack.privilege-escalationattack.t1548.002