Detection rules › Sigma
Attempt To Get Signin Token
Generate a SigninToken that can be used to login to the the AWS Management Console. Attackers might access via a Federated identity (such as AWS SSO) to the Management Console.
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.
- Get Signin Token (Sigma)
Rule body yaml
title: Attempt To Get Signin Token
id: b1a88df9-bf9f-48f4-a1c8-1d443923b951
status: experimental
description: |
Generate a SigninToken that can be used to login to the the AWS Management Console.
Attackers might access via a Federated identity (such as AWS SSO) to the Management Console.
references:
- https://fwdcloudsec.org/assets/presentations/2024/europe/sebastian-walla-cloud-conscious-tactics-techniques-and-procedures-an-overview.pdf
- https://securitylabs.datadoghq.com/articles/tales-from-the-cloud-trenches-unwanted-visitor/
- https://traildiscover.cloud/#SignIn-GetSigninToken
author: Zach Mathis (@yamatosecurity)
date: 2025-04-23
modified: 2025-04-23
tags:
- attack.credential-access
- attack.t1078.004 # Valid Accounts: Cloud Accounts
logsource:
product: aws
service: cloudtrail
detection:
selection:
eventName: 'GetSigninToken'
errorCode: 'AccessDenied'
condition: selection
falsepositives:
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
eventName: 'GetSigninToken'
errorCode: 'AccessDenied'
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.