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Persistence via Scheduled Job Creation

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Persistence via Scheduled Job Creation

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A job can be used to schedule programs or scripts to be executed at a specified date and time. Adversaries may abuse task scheduling functionality to facilitate initial or recurring execution of malicious code.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.file-*
logs-windows.sysmon_operational-*
endgame-*
logs-sentinel_one_cloud_funnel.*
logs-m365_defender.event-*

Severity: medium

Risk score: 47

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:

Domain: Endpoint
OS: Windows
Use Case: Threat Detection
Tactic: Persistence
Data Source: Elastic Endgame
Data Source: Elastic Defend
Data Source: Sysmon
Data Source: SentinelOne
Data Source: Microsoft Defender for Endpoint

Version: 311

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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file where host.os.type == "windows" and event.type != "deletion" and
  file.path : "?:\\Windows\\Tasks\\*" and file.extension : "job" and
  not (
    (
      process.executable : "?:\\Program Files\\CCleaner\\CCleaner64.exe" and
      file.path : "?:\\Windows\\Tasks\\CCleanerCrashReporting.job"
    ) or
    (
      process.executable : (
        "?:\\Program Files (x86)\\ManageEngine\\UEMS_Agent\\bin\\dcagentregister.exe",
        "?:\\Program Files (x86)\\DesktopCentral_Agent\\bin\\dcagentregister.exe"
      ) and
      file.path : "?:\\Windows\\Tasks\\DCAgentUpdater.job"
    )
  )

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Scheduled Task/Job
- ID: T1053
- Reference URL: https://attack.mitre.org/techniques/T1053/
Sub-technique:
- Name: Scheduled Task
- ID: T1053.005
- Reference URL: https://attack.mitre.org/techniques/T1053/005/

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