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Lateral Movement via Startup Folder

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Identifies suspicious file creations in the startup folder of a remote system. An adversary could abuse this to move laterally by dropping a malicious script or executable that will be executed after a reboot or user logon.

Rule type: eql

Rule indices:

  • logs-endpoint.events.*
  • winlogbeat-*
  • 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:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Lateral Movement
  • Elastic Endgame

Version: 102

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query

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file where host.os.type == "windows" and event.type in ("creation", "change") and

 /* via RDP TSClient mounted share or SMB */
  (process.name : "mstsc.exe" or process.pid == 4) and

   file.path : ("?:\\Users\\*\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\*",
                "?:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\*")

Framework: MITRE ATT&CKTM

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