Justin Ibarra
46d5e37b76
* min_stack all rules to 8.3 * bump date Co-authored-by: Mika Ayenson <mika.ayenson@elastic.co>
48 lines
1.4 KiB
TOML
48 lines
1.4 KiB
TOML
[metadata]
|
|
creation_date = "2020/02/18"
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2022/08/24"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Iodine is a tool for tunneling Internet protocol version 4 (IPV4) traffic over the DNS protocol to circumvent firewalls,
|
|
network security groups, and network access lists while evading detection.
|
|
"""
|
|
false_positives = [
|
|
"""
|
|
Normal use of Iodine is uncommon apart from security testing and research. Use by non-security engineers is very
|
|
uncommon.
|
|
""",
|
|
]
|
|
from = "now-9m"
|
|
index = ["auditbeat-*", "logs-endpoint.events.*"]
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "Potential DNS Tunneling via Iodine"
|
|
references = ["https://code.kryo.se/iodine/"]
|
|
risk_score = 73
|
|
rule_id = "041d4d41-9589-43e2-ba13-5680af75ebc2"
|
|
severity = "high"
|
|
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Command and Control"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.category:process and event.type:(start or process_started) and process.name:(iodine or iodined)
|
|
'''
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1572"
|
|
name = "Protocol Tunneling"
|
|
reference = "https://attack.mitre.org/techniques/T1572/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0011"
|
|
name = "Command and Control"
|
|
reference = "https://attack.mitre.org/tactics/TA0011/" |