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Incoming Execution via WinRM Remote Shell

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Incoming Execution via WinRM Remote Shell

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Identifies remote execution via Windows Remote Management (WinRM) remote shell on a target host. This could be an indication of lateral movement.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.sysmon_operational-*

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: Lateral Movement
Data Source: Elastic Defend
Data Source: Sysmon

Version: 107

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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sequence by host.id with maxspan=30s
   [network where host.os.type == "windows" and process.pid == 4 and network.direction : ("incoming", "ingress") and
    destination.port in (5985, 5986) and network.protocol == "http" and source.ip != "127.0.0.1" and source.ip != "::1"]
   [process where host.os.type == "windows" and
    event.type == "start" and process.parent.name : "winrshost.exe" and not process.executable : "?:\\Windows\\System32\\conhost.exe"]

Framework: MITRE ATT&CK^TM

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/
Sub-technique:
- Name: Windows Remote Management
- ID: T1021.006
- Reference URL: https://attack.mitre.org/techniques/T1021/006/

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