[metadata]
creation_date = "2020/02/18"
maturity = "production"
updated_date = "2021/04/14"

[rule]
author = ["Elastic"]
description = """
Identifies use of whoami.exe which displays user, group, and privileges information for the user who is currently logged
on to the local system.
"""
false_positives = [
    """
    Some normal use of this program, at varying levels of frequency, may originate from scripts, automation tools and
    frameworks. Usage by non-engineers and ordinary users is unusual.
    """,
]
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Whoami Process Activity"
risk_score = 21
rule_id = "ef862985-3f13-4262-a686-5f357bbb9bc2"
severity = "low"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Discovery"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where event.type in ("start", "process_started") and process.name : "whoami.exe"
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1033"
reference = "https://attack.mitre.org/techniques/T1033/"
name = "System Owner/User Discovery"


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