AWS IAM S3Browser LoginProfile Creation
Detects S3 Browser utility performing reconnaissance looking for existing IAM Users without a LoginProfile defined then (when found) creating a LoginProfile.
Detection logic
Detection requirements
- Platform
- IaaSIdentity ProviderOffice SuiteSaaS
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
- Log source product
- aws
- Log source service
- cloudtrail
Known benign triggers
- Valid usage of S3 Browser for IAM LoginProfile listing and/or creation
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
References
| Reference | Cited by |
|---|---|
| permiso.io/blog/s/unmasking-guivil-new-cloud-threat-actor | 3 |
From the source
- At source
- Open at source
- Upstream identifier
- db014773-b1d3-46bd-ba26-133337c0ffee
- Tagged by the source as
- attack.executionattack.initial-accessattack.persistenceattack.privilege-escalationattack.stealth
Licence
- Published under
- Detection Rule License 1.1Read the licence
- Attribution
- Required
Authorship
- Written by
- Published
- Aug 26, 2026
- Version
- 1