sigmahighHunting

AWS GuardDuty Important Change

Detects updates of the GuardDuty list of trusted IPs, perhaps to disable security alerts against malicious IPs.

MITRE ATT&CK

defense-evasion

Detection Query

selection_source:
  eventSource: guardduty.amazonaws.com
  eventName: CreateIPSet
condition: selection_source

Author

faloker

Created

2020-02-11

Data Sources

awscloudtrail

Platforms

aws

References

https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/guardduty__whitelist_ip/main.py#L9

Tags

attack.defense-evasionattack.t1562.001

Raw Content

title: AWS GuardDuty Important Change
id: 6e61ee20-ce00-4f8d-8aee-bedd8216f7e3
status: test
description: Detects updates of the GuardDuty list of trusted IPs, perhaps to disable security alerts against malicious IPs.
references:
    - https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/guardduty__whitelist_ip/main.py#L9
author: faloker
date: 2020-02-11
modified: 2022-10-09
tags:
    - attack.defense-evasion
    - attack.t1562.001
logsource:
    product: aws
    service: cloudtrail
detection:
    selection_source:
        eventSource: guardduty.amazonaws.com
        eventName: CreateIPSet
    condition: selection_source
falsepositives:
    - Valid change in the GuardDuty (e.g. to ignore internal scanners)
level: high