Detection rules › Sigma
AWS Successful Console Login Without MFA
Detects successful AWS console logins that were performed without Multi-Factor Authentication (MFA). This alert can be used to identify potential unauthorized access attempts, as logging in without MFA can indicate compromised credentials or misconfigured security settings.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Initial Access | T1078.004 Valid Accounts: Cloud Accounts |
| Persistence | T1078.004 Valid Accounts: Cloud Accounts |
| Privilege Escalation | T1078.004 Valid Accounts: Cloud Accounts |
| Stealth | T1078.004 Valid Accounts: Cloud Accounts |
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 ConsoleLogin Failed Authentication (Sigma)
- 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)
Rule body yaml
title: AWS Successful Console Login Without MFA
id: 77caf516-34e5-4df9-b4db-20744fea0a60
status: experimental
description: |
Detects successful AWS console logins that were performed without Multi-Factor Authentication (MFA).
This alert can be used to identify potential unauthorized access attempts, as logging in without MFA can indicate compromised credentials or misconfigured security settings.
references:
- https://securitylabs.datadoghq.com/cloud-security-atlas/vulnerabilities/iam-user-without-mfa/
- https://docs.aws.amazon.com/awscloudtrail/latest/userguide/cloudtrail-event-reference-aws-console-sign-in-events.html
author: Thuya@Hacktilizer, Ivan Saakov
date: 2025-10-18
modified: 2025-10-21
tags:
- attack.initial-access
- attack.persistence
- attack.privilege-escalation
- attack.stealth
- attack.t1078.004
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventName: 'ConsoleLogin'
additionalEventData.MFAUsed: 'NO'
responseElements.ConsoleLogin: 'Success'
condition: selection
falsepositives:
- Unlikely
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
eventName: 'ConsoleLogin'
additionalEventData.MFAUsed: 'NO'
responseElements.ConsoleLogin: 'Success'
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 |
|---|---|---|
additionalEventData.MFAUsed | eq |
|
eventName | eq |
|
responseElements.ConsoleLogin | eq |
|