Persistence via TelemetryController Scheduled Task Hijack

edit

Persistence via TelemetryController Scheduled Task Hijack

edit

Detects the successful hijack of Microsoft Compatibility Appraiser scheduled task to establish persistence with an integrity level of system.

Rule type: eql

Rule indices:

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

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:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Persistence
  • Data Source: Elastic Endgame
  • Data Source: Elastic Defend

Version: 105

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

edit

Rule query

edit
process where host.os.type == "windows" and event.type == "start" and
  process.parent.name : "CompatTelRunner.exe" and process.args : "-cv*" and
  not process.name : ("conhost.exe",
                      "DeviceCensus.exe",
                      "CompatTelRunner.exe",
                      "DismHost.exe",
                      "rundll32.exe",
                      "powershell.exe")

Framework: MITRE ATT&CKTM