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Elastic Docs ›Elastic Security Solution [8.16] ›Detections and alerts ›Prebuilt rule reference

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.*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

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

Version: 100 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 8.5.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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WinRM is a dual-use protocol that can be used for benign or malicious activity. It’s important to baseline your environment to determine the amount of noise to expect from this tool.

Rule query

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sequence by host.id with maxspan=30s [network where 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
event.type == "start" and process.parent.name : "winrshost.exe" and
not process.name : "conhost.exe"]

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 100 (8.5.0 release)
  • Formatting only
Version 5 (8.4.0 release)
  • Formatting only
Version 4 (8.0.0 release)

  • Updated query, changed from:

    sequence by host.id with maxspan=30s [network where process.pid ==
4 and network.direction : ("incoming", "ingress") and
destination.port in (5985, 5986) and network.protocol == "http" and
not source.address in ("::1", "127.0.0.1") ] [process where
event.type == "start" and process.parent.name : "winrshost.exe" and
not process.name : "conhost.exe"]
Version 3 (7.16.0 release)

  • Updated query, changed from:

    sequence by host.id with maxspan=30s [network where process.pid ==
4 and network.direction == "incoming" and destination.port in
(5985, 5986) and network.protocol == "http" and not source.address in
("::1", "127.0.0.1") ] [process where event.type == "start" and
process.parent.name : "winrshost.exe" and not process.name :
"conhost.exe"]
Version 2 (7.12.0 release)
  • Formatting only
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