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Elastic Docs ›Elastic Security Solution [8.8] ›Detections and alerts ›Prebuilt rule reference

Persistence via PowerShell profile

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Persistence via PowerShell profile

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Identifies the creation or modification of a PowerShell profile. PowerShell profile is a script that is executed when PowerShell starts to customize the user environment, which can be abused by attackers to persist in a environment where PowerShell is common.

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:

Tags:

  • Domain: Endpoint
  • OS: Windows
  • Use Case: Threat Detection
  • Tactic: Persistence
  • Tactic: Privilege Escalation
  • Data Source: Elastic Endgame
  • Data Source: Elastic Defend

Version: 6

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

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file where host.os.type == "windows" and event.type != "deletion" and
  file.path : ("?:\\Users\\*\\Documents\\WindowsPowerShell\\*",
               "?:\\Users\\*\\Documents\\PowerShell\\*",
               "?:\\Windows\\System32\\WindowsPowerShell\\*") and
  file.name : ("profile.ps1", "Microsoft.Powershell_profile.ps1")

Framework: MITRE ATT&CKTM

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