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« Execution of Persistent Suspicious Program A scheduled task was updated »

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A scheduled task was created

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A scheduled task was created

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Indicates the creation of a scheduled task using Windows event logs. Adversaries can use these to establish persistence, move laterally, and/or escalate privileges.

Rule type: eql

Rule indices:

winlogbeat-*
logs-system.*
logs-windows.*

Severity: low

Risk score: 21

Runs every: 5m

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

Maximum alerts per execution: 100

References:

https://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4698

Tags:

Elastic
Host
Windows
Threat Detection
Persistence

Version: 3

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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iam where event.action == "scheduled-task-created" and

 /* excluding tasks created by the computer account */
 not user.name : "*$" and

 /* TaskContent is not parsed, exclude by full taskname noisy ones */
 not winlog.event_data.TaskName :
             ("\\OneDrive Standalone Update Task-S-1-5-21*",
              "\\OneDrive Standalone Update Task-S-1-12-1-*",
              "\\Hewlett-Packard\\HP Web Products Detection",
              "\\Hewlett-Packard\\HPDeviceCheck")

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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