An identity performed a suspicious download of multiple cloud storage objects

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

Informational

Description

An identity downloaded multiple objects from cloud storage.
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

An identity performed a suspicious download of multiple cloud storage objects from an internal IP

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Informational

Description

An identity downloaded multiple objects from cloud storage.
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.


An identity performed a suspicious download of multiple cloud storage objects

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

High

Description

An identity downloaded multiple objects from cloud storage.
This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.
This large volume of downloaded cloud storage objects had not been seen across all projects for the last 30 days.

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.


An identity performed a suspicious download of multiple cloud storage objects

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

An identity downloaded multiple objects from cloud storage.
This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.
This large volume of downloaded cloud storage objects had not been seen in this project for the last 30 days.

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.


An identity performed a suspicious download of multiple cloud storage objects from multiple buckets

Synopsis

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

An identity downloaded multiple objects from cloud storage.
This may indicate an attacker's attempt to download sensitive data from a bucket in the cloud environment.
This large volume of downloaded cloud storage objects from several buckets had not been seen for the last 30 days.

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.