defense_evasion_guardduty_detector_deletion.toml

[metadata]
creation_date = "2020/05/28"
integration = ["aws"]
maturity = "production"
updated_date = "2024/05/21"

[rule]
author = ["Elastic"]
description = """
Identifies the deletion of an Amazon GuardDuty detector. Upon deletion, GuardDuty stops monitoring the environment and
all existing findings are lost.
"""
false_positives = [
    """
    The GuardDuty detector may be deleted by a system or network administrator. Verify whether the user identity, user
    agent, and/or hostname should be making changes in your environment. Detector deletions 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 GuardDuty Detector Deletion"
note = """## Setup

The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
references = [
    "https://awscli.amazonaws.com/v2/documentation/api/latest/reference/guardduty/delete-detector.html",
    "https://docs.aws.amazon.com/guardduty/latest/APIReference/API_DeleteDetector.html",
]
risk_score = 73
rule_id = "523116c0-d89d-4d7c-82c2-39e6845a78ef"
severity = "high"
tags = ["Domain: Cloud", "Data Source: AWS", "Data Source: Amazon Web Services", "Tactic: Defense Evasion"]
timestamp_override = "event.ingested"
type = "query"

query = '''
event.dataset:aws.cloudtrail and event.provider:guardduty.amazonaws.com and event.action:DeleteDetector and event.outcome:success
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1562"
name = "Impair Defenses"
reference = "https://attack.mitre.org/techniques/T1562/"
[[rule.threat.technique.subtechnique]]
id = "T1562.001"
name = "Disable or Modify Tools"
reference = "https://attack.mitre.org/techniques/T1562/001/"



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