At.exe Command Lateral Movement

Identifies use of at.exe to interact with the task scheduler on remote hosts. Remote task creations, modifications or execution could be indicative of adversary lateral movement.

Rule type: eql
Rule indices:

• endgame-*
• logs-endpoint.events.process-*
• logs-system.security*
• logs-windows.*
• winlogbeat-*

Rule Severity: low
Risk Score: 21
Runs every: 60m
Searches indices from: now-119m
Maximum alerts per execution: ?
References:

Tags:

• Domain: Endpoint
• OS: Windows
• Use Case: Threat Detection
• Tactic: Lateral Movement
• Data Source: Elastic Defend
• Rule Type: BBR
• Data Source: Elastic Endgame
• Data Source: Windows Security Event Logs

Version: ?
Rule authors:

• Elastic

Rule license: Elastic License v2

process where host.os.type == "windows" and event.type == "start" and process.name : "at.exe" and process.args : "\\\\*"

Framework: MITRE ATT&CK

• 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/

Framework: MITRE ATT&CK

• 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/

• Sub Technique:

  • Name: At
  • Id: T1053.002
  • Reference URL: https://attack.mitre.org/techniques/T1053/002/

• Sub Technique:

  • Name: Scheduled Task
  • Id: T1053.005
  • Reference URL: https://attack.mitre.org/techniques/T1053/005/