Suspicious Endpoint Security Parent Process

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A suspicious Endpoint Security parent process was detected. This may indicate a process hollowing or other form of code injection.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-endpoint.events.*
  • logs-windows.*
  • endgame-*

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: Defense Evasion
  • Data Source: Elastic Endgame
  • Data Source: Elastic Defend

Version: 108

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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process where host.os.type == "windows" and event.type == "start" and
 process.name : ("esensor.exe", "elastic-endpoint.exe") and
 process.parent.executable != null and
  /* add FPs here */
 not process.parent.executable : ("C:\\Program Files\\Elastic\\*",
                                  "C:\\Windows\\System32\\services.exe",
                                  "C:\\Windows\\System32\\WerFault*.exe",
                                  "C:\\Windows\\System32\\wermgr.exe")

Framework: MITRE ATT&CKTM