[metadata]
creation_date = "2023/01/17"
integration = ["windows", "endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/02/22"

[rule]
author = ["Elastic"]
description = """
Detects the usage of commonly used system time discovery techniques, which attackers may use during the reconnaissance phase after compromising a system. 
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*", "endgame-*"]
language = "eql"
license = "Elastic License v2"
name = "System Time Discovery"
risk_score = 21
rule_id = "06568a02-af29-4f20-929c-f3af281e41aa"
severity = "low"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Discovery", "Elastic Endgame"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where host.os.type == "windows" and event.type == "start" and
(
 ((process.name: "net.exe" or (process.name : "net1.exe" and not process.parent.name : "net.exe")) and process.args : "time") or 
 (process.name: "w32tm.exe" and process.args: "/tz") or 
 (process.name: "tzutil.exe" and process.args: "/g")
) and not user.id : "S-1-5-18"
'''

[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1124"
name = "System Time Discovery"
reference = "https://attack.mitre.org/techniques/T1124/"

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