[metadata]
creation_date = "2020/12/04"
maturity = "production"
updated_date = "2020/12/04"

[rule]
author = ["Elastic"]
description = """
Identifies processes running from an Alternate Data Stream. This is uncommon for legitimate processes and sometimes done
by adversaries to hide malware.
"""
index = ["logs-endpoint.events.*", "winlogbeat-*"]
language = "eql"
license = "Elastic License"
name = "Unusual Process Execution Path - Alternate Data Stream"
risk_score = 47
rule_id = "4bd1c1af-79d4-4d37-9efa-6e0240640242"
severity = "medium"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion"]
type = "eql"

query = '''
process where event.type in ("start", "process_started") and
  process.args : "C:\\*:*"
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1564"
name = "Hide Artifacts"
reference = "https://attack.mitre.org/techniques/T1564/"


[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"
