S3 bucket suspicious ransomware activity

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Suspicious S3 bucket activity indicating ransomware was detected. An attacker might download all the objects in a compromised S3 bucket, encrypt them with his own key, then upload them back to the same bucket, overwriting the existing ones.

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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