shashank-elastic
70 lines
2.2 KiB
TOML
70 lines
2.2 KiB
TOML
[metadata]
|
|
creation_date = "2020/06/05"
|
|
integration = ["aws"]
|
|
maturity = "production"
|
|
updated_date = "2024/05/21"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies disabling of Amazon Elastic Block Store (EBS) encryption by default in the current region. Disabling
|
|
encryption by default does not change the encryption status of your existing volumes.
|
|
"""
|
|
false_positives = [
|
|
"""
|
|
Disabling encryption may be done by a system or network administrator. Verify whether the user identity, user agent,
|
|
and/or hostname should be making changes in your environment. Disabling encryption by unfamiliar users or hosts
|
|
should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
|
|
""",
|
|
]
|
|
from = "now-60m"
|
|
index = ["filebeat-*", "logs-aws.cloudtrail-*"]
|
|
interval = "10m"
|
|
language = "kuery"
|
|
license = "Elastic License v2"
|
|
name = "AWS EC2 Encryption Disabled"
|
|
note = """## Setup
|
|
|
|
The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
|
|
references = [
|
|
"https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSEncryption.html",
|
|
"https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/disable-ebs-encryption-by-default.html",
|
|
"https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DisableEbsEncryptionByDefault.html",
|
|
]
|
|
risk_score = 47
|
|
rule_id = "bb9b13b2-1700-48a8-a750-b43b0a72ab69"
|
|
severity = "medium"
|
|
tags = [
|
|
"Domain: Cloud",
|
|
"Data Source: AWS",
|
|
"Data Source: Amazon Web Services",
|
|
"Data Source: AWS EC2",
|
|
"Tactic: Impact",
|
|
]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.dataset:aws.cloudtrail and event.provider:ec2.amazonaws.com and event.action:DisableEbsEncryptionByDefault and event.outcome:success
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1565"
|
|
name = "Data Manipulation"
|
|
reference = "https://attack.mitre.org/techniques/T1565/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1565.001"
|
|
name = "Stored Data Manipulation"
|
|
reference = "https://attack.mitre.org/techniques/T1565/001/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0040"
|
|
name = "Impact"
|
|
reference = "https://attack.mitre.org/tactics/TA0040/"
|
|
|