AWS GuardDuty Detector Deletion

 1[metadata]
 2creation_date = "2020/05/28"
 3integration = ["aws"]
 4maturity = "production"
 5min_stack_comments = "AWS integration breaking changes, bumping version to ^2.0.0"
 6min_stack_version = "8.9.0"
 7updated_date = "2023/10/24"
 8
 9[rule]
10author = ["Elastic"]
11description = """
12Identifies the deletion of an Amazon GuardDuty detector. Upon deletion, GuardDuty stops monitoring the environment and
13all existing findings are lost.
14"""
15false_positives = [
16    """
17    The GuardDuty detector may be deleted by a system or network administrator. Verify whether the user identity, user
18    agent, and/or hostname should be making changes in your environment. Detector deletions by unfamiliar users or hosts
19    should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
20    """,
21]
22from = "now-60m"
23index = ["filebeat-*", "logs-aws*"]
24interval = "10m"
25language = "kuery"
26license = "Elastic License v2"
27name = "AWS GuardDuty Detector Deletion"
28note = """## Setup
29
30The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
31references = [
32    "https://awscli.amazonaws.com/v2/documentation/api/latest/reference/guardduty/delete-detector.html",
33    "https://docs.aws.amazon.com/guardduty/latest/APIReference/API_DeleteDetector.html",
34]
35risk_score = 73
36rule_id = "523116c0-d89d-4d7c-82c2-39e6845a78ef"
37severity = "high"
38tags = ["Domain: Cloud", "Data Source: AWS", "Data Source: Amazon Web Services", "Tactic: Defense Evasion"]
39timestamp_override = "event.ingested"
40type = "query"
41
42query = '''
43event.dataset:aws.cloudtrail and event.provider:guardduty.amazonaws.com and event.action:DeleteDetector and event.outcome:success
44'''
45
46
47[[rule.threat]]
48framework = "MITRE ATT&CK"
49[[rule.threat.technique]]
50id = "T1562"
51name = "Impair Defenses"
52reference = "https://attack.mitre.org/techniques/T1562/"
53[[rule.threat.technique.subtechnique]]
54id = "T1562.001"
55name = "Disable or Modify Tools"
56reference = "https://attack.mitre.org/techniques/T1562/001/"
57
58
59
60[rule.threat.tactic]
61id = "TA0005"
62name = "Defense Evasion"
63reference = "https://attack.mitre.org/tactics/TA0005/"