Cloud compute instance user data script modification

Cortex XDR Analytics Alert Reference by data source

Product
Cortex XDR
Last date published
2024-12-03
Category
Analytics Alert Reference
Order
data source

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

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

Detection Modules

Cloud

Detector Tags

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

Cloud Administration Command (T1651)

Severity

Informational

Description

The user data of a cloud compute instance was modified.

Attacker's Goals

Execute commands within virtual machines.

Investigative actions

  • Verify whether this action is expected.
  • Inspect the user data script for malicious content.

Variations

Unusual Cloud compute instance user data script modification

Synopsis

ATT&CK Tactic

Execution (TA0002)

ATT&CK Technique

Cloud Administration Command (T1651)

Severity

Low

Description

The user data of a cloud compute instance was modified.

Attacker's Goals

Execute commands within virtual machines.

Investigative actions

  • Verify whether this action is expected.
  • Inspect the user data script for malicious content.