frack113
020fc8061f
chore: Upgrade status level from `experimental` to `test` for rules that have not changed in 300 days --------- Signed-off-by: frack113 <62423083+frack113@users.noreply.github.com> Co-authored-by: nasbench <8741929+nasbench@users.noreply.github.com>
27 lines
885 B
YAML
27 lines
885 B
YAML
title: AWS EC2 Startup Shell Script Change
|
|
id: 1ab3c5ed-5baf-417b-bb6b-78ca33f6c3df
|
|
status: test
|
|
description: Detects changes to the EC2 instance startup script. The shell script will be executed as root/SYSTEM every time the specific instances are booted up.
|
|
references:
|
|
- https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/ec2__startup_shell_script/main.py#L9
|
|
author: faloker
|
|
date: 2020/02/12
|
|
modified: 2022/06/07
|
|
tags:
|
|
- attack.execution
|
|
- attack.t1059.001
|
|
- attack.t1059.003
|
|
- attack.t1059.004
|
|
logsource:
|
|
product: aws
|
|
service: cloudtrail
|
|
detection:
|
|
selection_source:
|
|
eventSource: ec2.amazonaws.com
|
|
requestParameters.attribute: 'userData'
|
|
eventName: ModifyInstanceAttribute
|
|
condition: selection_source
|
|
falsepositives:
|
|
- Valid changes to the startup script
|
|
level: high
|