IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Microsoft Management Console File from Unusual Path

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Microsoft Management Console File from Unusual Path

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Identifies attempts to open a Microsoft Management Console File from untrusted paths. Adversaries may use MSC files for initial access and execution.

Rule type: eql

Rule indices:

logs-endpoint.events.process-*
winlogbeat-*
logs-windows.*
endgame-*
logs-system.security*
logs-sentinel_one_cloud_funnel.*
logs-m365_defender.event-*

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:

https://www.elastic.co/security-labs/grimresource

Tags:

Domain: Endpoint
OS: Windows
Use Case: Threat Detection
Tactic: Execution
Data Source: Elastic Endgame
Data Source: Elastic Defend
Data Source: SentinelOne
Data Source: Microsoft Defender for Endpoint

Version: 3

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.executable : "?:\\Windows\\System32\\mmc.exe" and process.args : "*.msc" and
  not process.args : ("?:\\Windows\\System32\\*.msc", "?:\\Windows\\SysWOW64\\*.msc", "?:\\Program files\\*.msc", "?:\\Program Files (x86)\\*.msc")

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
Sub-technique:
- Name: Visual Basic
- ID: T1059.005
- Reference URL: https://attack.mitre.org/techniques/T1059/005/
Sub-technique:
- Name: JavaScript
- ID: T1059.007
- Reference URL: https://attack.mitre.org/techniques/T1059/007/
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: System Binary Proxy Execution
- ID: T1218
- Reference URL: https://attack.mitre.org/techniques/T1218/
Sub-technique:
- Name: MMC
- ID: T1218.014
- Reference URL: https://attack.mitre.org/techniques/T1218/014/

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