Suspicious usage of EC2 token

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

N/A (single event)

Deduplication Period

5 Days

Required Data

  • Requires:
    • AWS Audit Log

Detection Modules

Cloud

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Severity

Medium

Description

An AWS EC2 STS token was used externally from an EC2 instance.

Attacker's Goals

Exfiltrate token and abuse it remotely.

Investigative actions

  • Check if the access key was generated by the attached instance.
  • Check what actions were executed by the access-key.
  • Check if the relevant instance is compromised.

Variations

Suspicious usage of EC2 token

Synopsis

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Severity

High

Description

An AWS EC2 STS token was used externally from an EC2 instance.

Attacker's Goals

Exfiltrate token and abuse it remotely.

Investigative actions

  • Check if the access key was generated by the attached instance.
  • Check what actions were executed by the access-key.
  • Check if the relevant instance is compromised.


Suspicious usage of EC2 token

Synopsis

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Severity

Low

Description

An AWS EC2 STS token was used externally from an EC2 instance.

Attacker's Goals

Exfiltrate token and abuse it remotely.

Investigative actions

  • Check if the access key was generated by the attached instance.
  • Check what actions were executed by the access-key.
  • Check if the relevant instance is compromised.