[metadata]
creation_date = "2023/07/10"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/07/10"

[rule]
author = ["Elastic"]
building_block_type = "default"
description = "Enrich process events with uname and other command lines that imply Linux system information discovery."
from = "now-119m"
interval = "60m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Linux System Information Discovery"
risk_score = 21
rule_id = "b81bd314-db5b-4d97-82e8-88e3e5fc9de5"
severity = "low"
tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Discovery", "Rule Type: BBR", "Data Source: Elastic Defend"]
timestamp_override = "event.ingested"
type = "eql"
query = '''
process where event.type == "start" and
(
  process.name: "uname" or
  (process.name: ("cat", "more", "less") and
  process.args: ("*issue*", "*version*", "*profile*", "*services*", "*cpuinfo*"))
)
'''

[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1082"
name = "System Information Discovery"
reference = "https://attack.mitre.org/techniques/T1082/"

[rule.threat.tactic]
id = "TA0007"
name = "Discovery"
reference = "https://attack.mitre.org/tactics/TA0007/"