[metadata]
creation_date = "2021/01/19"
maturity = "production"
updated_date = "2021/08/03"

[rule]
author = ["Elastic"]
description = """
Identifies suspicious child processes of a Java Archive (JAR) file. JAR files may be used to deliver malware in order to
evade detection.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Suspicious JAR Child Process"
risk_score = 47
rule_id = "8acb7614-1d92-4359-bfcf-478b6d9de150"
severity = "medium"
tags = ["Elastic", "Host", "Linux", "macOS", "Threat Detection", "Execution"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where event.type in ("start", "process_started") and
  process.parent.name : "java" and
  process.name : ("sh", "bash", "dash", "ksh", "tcsh", "zsh", "curl", "wget") and
  process.args : "-jar" and process.args : "*.jar" and
  /* Add any FP's here */
  not process.executable : ("/Users/*/.sdkman/*", "/Library/Java/JavaVirtualMachines/*") and
  not process.args : ("/usr/local/*", "/Users/*/github.com/*", "/Users/*/src/*")
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[[rule.threat.technique.subtechnique]]
id = "T1059.007"
name = "JavaScript"
reference = "https://attack.mitre.org/techniques/T1059/007/"



[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"