53 lines
1.5 KiB
TOML
53 lines
1.5 KiB
TOML
[metadata]
|
|
creation_date = "2021/01/19"
|
|
maturity = "production"
|
|
updated_date = "2021/03/03"
|
|
|
|
[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/JScript"
|
|
reference = "https://attack.mitre.org/techniques/T1059/007/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0002"
|
|
name = "Execution"
|
|
reference = "https://attack.mitre.org/tactics/TA0002/"
|
|
|