IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Remote Scheduled Task Creation
edit
IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.
Remote Scheduled Task Creation
editIdentifies remote scheduled task creations on a target host. This could be indicative of adversary lateral movement.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- winlogbeat-*
- logs-windows.*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Lateral Movement
Version: 3 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.13.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guide
editTriage and analysis
Decode the base64 encoded tasks actions registry value to investigate the task configured action.
Rule query
edit/* Task Scheduler service incoming connection followed by TaskCache registry modification */ sequence by host.id, process.entity_id with maxspan = 1m [network where process.name : "svchost.exe" and network.direction == "incoming" and source.port >= 49152 and destination.port >= 49152 and source.address != "127.0.0.1" and source.address != "::1" ] [registry where registry.path : "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\*\\Actions"]
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
-
Technique:
- Name: Remote Services
- ID: T1021
- Reference URL: https://attack.mitre.org/techniques/T1021/
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Scheduled Task/Job
- ID: T1053
- Reference URL: https://attack.mitre.org/techniques/T1053/
Rule version history
edit- Version 3 (7.13.0 release)
-
- Formatting only
- Version 2 (7.12.0 release)
-
- Formatting only