Detectionhightest
UAC Bypass Using DismHost
Detects the pattern of UAC Bypass using DismHost DLL hijacking (UACMe 63)
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Christian Burkard (Nextron Systems)Created Mon Aug 30Updated Sun Dec 01853e74f9-9392-4935-ad3b-2e8c040dae86windows
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:
ParentImage|contains|all:
- 'C:\Users\'
- '\AppData\Local\Temp\'
- '\DismHost.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.
References
MITRE ATT&CK
Rule Metadata
Rule ID
853e74f9-9392-4935-ad3b-2e8c040dae86
Status
test
Level
high
Type
Detection
Created
Mon Aug 30
Modified
Sun Dec 01
Path
rules/windows/process_creation/proc_creation_win_uac_bypass_dismhost.yml
Raw Tags
attack.defense-evasionattack.privilege-escalationattack.t1548.002