Suspicious identity downloaded multiple objects from a bucket

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

1 Hour

Deduplication Period

5 Days

Required Data

  • Requires one of the following data sources:
    • AWS Audit Log
      OR
    • Azure Audit Log
      OR
    • Gcp Audit Log

Detection Modules

Cloud

ATT&CK Tactic

ATT&CK Technique

Severity

Low

Description

An identity downloaded multiple objects from a bucket, considerably more than usual.
This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.

Attacker's Goals

Exfiltrate sensitive data from the cloud environment.

Investigative actions

  • Check the accessed bucket and objects designation.
  • Verify that the identity did not download any sensitive information that it shouldn't.

Variations

Suspicious identity downloaded multiple objects from a backup storage bucket

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

An identity downloaded multiple objects from a bucket, considerably more than usual.
This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.

Attacker's Goals

Exfiltrate sensitive data from the cloud environment.

Investigative actions

  • Check the accessed bucket and objects designation.
  • Verify that the identity did not download any sensitive information that it shouldn't.