Detectionhightest
UAC Bypass Using IEInstal - Process
Detects the pattern of UAC Bypass using IEInstal.exe (UACMe 64)
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Christian Burkard (Nextron Systems)Created Mon Aug 30Updated Sun Dec 0180fc36aa-945e-4181-89f2-2f907ab6775dwindows
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:
IntegrityLevel:
- 'High'
- 'System'
- 'S-1-16-16384' # System
- 'S-1-16-12288' # High
ParentImage|endswith: '\ieinstal.exe'
Image|contains: '\AppData\Local\Temp\'
Image|endswith: 'consent.exe'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Rule Metadata
Rule ID
80fc36aa-945e-4181-89f2-2f907ab6775d
Status
test
Level
high
Type
Detection
Created
Mon Aug 30
Modified
Sun Dec 01
Path
rules/windows/process_creation/proc_creation_win_uac_bypass_ieinstal.yml
Raw Tags
attack.defense-evasionattack.privilege-escalationattack.t1548.002