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Potential Fodhelper UAC Bypass (ASIM Version)
Description
'This detection looks for the steps required to conduct a UAC bypass using Fodhelper.exe. By default this detection looks for the setting of the required registry keys and the invoking of the process within 1 hour - this can be tweaked as required.'
- Rule type
- Scheduled
- Version
- 1.0.5
- Query frequency
- 2h
- Query period
- 2h
- Trigger
- gt 0
Declared MITRE coverage
KQL query
Original query, unchanged.
imRegistry
| where EventType in ("RegistryValueSet", "RegistryKeyCreated")
| where RegistryKey has "Software\\Classes\\ms-settings\\shell\\open\\command"
| extend TimeKey = bin(TimeGenerated, 1h)
| join (imProcess
| where Process endswith "fodhelper.exe"
| where ParentProcessName endswith "cmd.exe" or ParentProcessName endswith "powershell.exe" or ParentProcessName endswith "powershell_ise.exe"
| extend TimeKey = bin(TimeGenerated, 1h)) on TimeKey, Dvc
Declared entities
Source provenance
GitHubDisplayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.
- Commit
9800e51↗- Source identifier
ac9e233e-44d4-45eb-b522-6e47445f6582
Additional source files 1
Detections/MultipleDataSources/PotentialFodhelperUACBypass(ASIMVersion).yamlsource ↗GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC