Detection rules › Sigma
UAC Bypass Using .NET Code Profiler on MMC
Detects the pattern of UAC Bypass using .NET Code Profiler and mmc.exe DLL hijacking (UACMe 39)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Privilege Escalation |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 11: FileCreate |
Rule body
title: UAC Bypass Using .NET Code Profiler on MMC
id: 93a19907-d4f9-4deb-9f91-aac4692776a6
status: test
description: Detects the pattern of UAC Bypass using .NET Code Profiler and mmc.exe DLL hijacking (UACMe 39)
references:
- https://github.com/hfiref0x/UACME
author: Christian Burkard (Nextron Systems)
date: 2021-08-30
modified: 2022-10-09
tags:
- attack.privilege-escalation
- attack.t1548.002
logsource:
category: file_event
product: windows
detection:
selection:
TargetFilename|startswith: 'C:\Users\'
TargetFilename|endswith: '\AppData\Local\Temp\pe386.dll'
condition: selection
falsepositives:
- Unknown
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
TargetFilename|startswith: 'C:\Users\'
TargetFilename|endswith: '\AppData\Local\Temp\pe386.dll'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
TargetFilename | ends_with |
| field:"TargetFilename" kind:ends_with value:"\AppData\Local\Temp\pe386.dll" |
TargetFilename | starts_with |
| field:"TargetFilename" kind:starts_with value:"C:\Users\" |