UAC Bypass Attempt with IEditionUpgradeManager Elevated COM Interfaceedit

Identifies attempts to bypass User Account Control (UAC) by abusing an elevated COM Interface to launch a rogue Windows ClipUp program. Attackers may attempt to 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:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Privilege Escalation

Version: 7

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guideedit


Rule queryedit

process where event.type in ("start", "process_started") and process.name : "Clipup.exe" and
  not process.executable : "C:\\Windows\\System32\\ClipUp.exe" and process.parent.name : "dllhost.exe" and
  /* CLSID of the Elevated COM Interface IEditionUpgradeManager */
  process.parent.args : "/Processid:{BD54C901-076B-434E-B6C7-17C531F4AB41}"

Framework: MITRE ATT&CKTM