AWSCloudTrail - S3 bucket suspicious ransomware activity

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Detects a ransomware-like sequence where objects are read from an S3 bucket and then overwritten using an external KMS key. This pattern can indicate malicious encryption and potential data denial in the bucket.

Attribute Value
Type Analytic Rule
Solution Amazon Web Services
ID b442b9e2-5cc4-4129-a85b-a5ef38a9e5f0
Severity High
Status Available
Kind Scheduled
Tactics Impact
Techniques T1486
Required Connectors AWS
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
AWSCloudTrail EventName in "GetObject,PutObject"

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