AWS EC2 Full Network Packet Capture Detected

Identifies potential Traffic Mirroring in an Amazon Elastic Compute Cloud (EC2) instance. Traffic Mirroring is an Amazon VPC feature that you can use to copy network traffic from an Elastic network interface. This feature can potentially be abused to exfiltrate sensitive data from unencrypted internal traffic.

Rule type: query

Rule indices:

filebeat-*
logs-aws*

Severity: medium

Risk score: 47

Runs every: 10m

Searches indices from: now-60m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Cloud
AWS
Continuous Monitoring
SecOps
Network Security

Version: 4

Rule authors:

Elastic
Austin Songer

Rule license: Elastic License v2

Investigation guide

edit

Rule query

edit

event.dataset:aws.cloudtrail and event.provider:ec2.amazonaws.com and
event.action:(CreateTrafficMirrorFilter or CreateTrafficMirrorFilterRule or CreateTrafficMirrorSession or CreateTrafficMirrorTarget) and
event.outcome:success

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Exfiltration
- ID: TA0010
- Reference URL: https://attack.mitre.org/tactics/TA0010/
Technique:
- Name: Automated Exfiltration
- ID: T1020
- Reference URL: https://attack.mitre.org/techniques/T1020/
Tactic:
- Name: Collection
- ID: TA0009
- Reference URL: https://attack.mitre.org/tactics/TA0009/
Technique:
- Name: Data Staged
- ID: T1074
- Reference URL: https://attack.mitre.org/techniques/T1074/

« AWS WAF Rule or Rule Group Deletion AWS EC2 Snapshot Activity »