This documentation contains work-in-progress information for future Elastic Stack and Cloud releases. Use the version selector to view supported release docs. It also contains some Elastic Cloud serverless information. Check out our serverless docs for more details.

« UAC Bypass Attempt via Privileged IFileOperation COM Interface UAC Bypass Attempt via Windows Directory Masquerading »

› ›

Bypass UAC via Event Viewer

edit

Bypass UAC via Event Viewer

edit

Identifies User Account Control (UAC) bypass via eventvwr.exe. Attackers bypass UAC to stealthily execute code with elevated permissions.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*

Severity: high

Risk score: 73

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References: None

Tags:

Elastic
Host
Windows
Threat Detection
Privilege Escalation

Version: 9

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

edit

process where event.type in ("start", "process_started") and
  process.parent.name : "eventvwr.exe" and
  not process.executable :
            ("?:\\Windows\\SysWOW64\\mmc.exe",
             "?:\\Windows\\System32\\mmc.exe",
             "?:\\Windows\\SysWOW64\\WerFault.exe",
             "?:\\Windows\\System32\\WerFault.exe")

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
Technique:
- Name: Abuse Elevation Control Mechanism
- ID: T1548
- Reference URL: https://attack.mitre.org/techniques/T1548/
Sub-technique:
- Name: Bypass User Account Control
- ID: T1548.002
- Reference URL: https://attack.mitre.org/techniques/T1548/002/

« UAC Bypass Attempt via Privileged IFileOperation COM Interface UAC Bypass Attempt via Windows Directory Masquerading »