Remote System Discovery Commands
Elastic Stack Serverless Security
Discovery of remote system information using built-in commands, which may be used to move laterally.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- winlogbeat-*
- logs-windows.*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Discovery
Version: 4
Rule authors:
- Elastic
Rule license: Elastic License v2
If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define event.ingested and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate event.ingested to @timestamp for this rule to work.
process where event.type in ("start", "process_started") and
(process.name : "nbtstat.exe" and process.args : ("-n", "-s")) or
(process.name : "arp.exe" and process.args : "-a")
Framework: MITRE ATT&CKTM
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
Technique:
- Name: Remote System Discovery
- ID: T1018
- Reference URL: https://attack.mitre.org/techniques/T1018/