Detection rules › Sigma
AWS ConsoleLogin Failed Authentication
Detects failed AWS console login attempts due to authentication failures. Monitoring these events is crucial for identifying potential brute-force attacks or unauthorized access attempts to AWS accounts.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access | T1110 Brute Force |
Rules detecting the same action
Other rules on this platform that filter on the same API call or operation.
- AWS Console Login (Panther)
- AWS Console Login Failed During MFA Challenge (Splunk)
- AWS CreateLoginProfile (Splunk)
- AWS Credential Access Failed Login (Splunk)
- AWS High Number Of Failed Authentications For User (Splunk)
- AWS High Number Of Failed Authentications From Ip (Splunk)
- AWS Multiple Failed MFA Requests For User (Splunk)
- AWS Multiple Users Failing To Authenticate From Ip (Splunk)
Rule body yaml
title: AWS ConsoleLogin Failed Authentication
id: 6393e346-1977-46ef-8987-ad414a145fad
status: experimental
description: |
Detects failed AWS console login attempts due to authentication failures. Monitoring these events is crucial for identifying potential brute-force attacks or unauthorized access attempts to AWS accounts.
references:
- https://naikordian.github.io/blog/posts/brute-force-aws-console/
- https://help.fortinet.com/fsiem/Public_Resource_Access/7_2_1/rules/PH_RULE_AWS_Management_Console_Brute_Force_of_Root_User_Identity.htm
- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/attack_techniques/T1110.001/aws_login_failure/aws_cloudtrail_events.json
author: Ivan Saakov, Nasreddine Bencherchali
date: 2025-10-19
tags:
- attack.credential-access
- attack.t1110
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventName: 'ConsoleLogin'
errorMessage: 'Failed authentication'
condition: selection
falsepositives:
- Legitimate failed login attempts by authorized users. Investigate the source of repeated failed login attempts.
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
eventName: 'ConsoleLogin'
errorMessage: 'Failed authentication'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
errorMessage | eq |
|
eventName | eq |
|