Link Search Menu Expand Document

AWS_Unauthorized_API_Call

ID: 100116

Description:

A user attempted to make an unauthorized AWS API call

Repository: Group: AWS Type: event

Default Status:

Enabled

Tags:
AWS
 

Selector:

Query:

Filters:

Field MUST hit
@cloudtrail.errorCode AccessDenied
Field MUST NOT hit
@cloudtrail.eventName DescribeEventAggregates
  ListResourceTags

Behavior Rule:

Key Type Behavior Category
@cloudtrail.userIdentity.arn username application activity

Risks:

Risks Base Score Dimension
Timeline 0 -

Attributes:

Alias Key
Username @cloudtrail.userIdentity.userName
Type @cloudtrail.userIdentity.type
ClientIP @cloudtrail.sourceIPAddress
UserAgent @cloudtrail.userAgent
EventName @cloudtrail.eventName
EventSource @cloudtrail.eventSource

Correlation Rules:

First Occurrence:

Name Window Fields
NewUser 10 days @cloudtrail.userIdentity.userName
  Risks: ML_NEW_USER
NewEventName 10 days @cloudtrail.eventName
  Risks: ML_NEW_APP
NewEventSource 10 days @cloudtrail.eventSource
  Risks: ML_NEW_SERVICE

History:

User Date
em*n@fluencysecurity.com 2021 Feb 12 15:41:24 EST
em*n@fluencysecurity.com 2021 Feb 12 21:41:00 EST

This page was automatically created/formatted on Tue, 2021 Oct 19 00:29:17 EDT, from rule_dump.json (db47c470500ce8686ead334f5eda0596)