Configure module Auditd with Kubectl [Auditbeat 7.9.2]

Hi, everyone

I have been working with module Audit Module in order to log any execution of kubectl.

Here you are my config:

- module: auditd
  audit_rules: |
    -a always,exit -F exe=/usr/bin/kubectl -F arch=b64 -S execve -k kubectl

logging.level: warning
logging.to_files: true
  path: /var/log/auditbeat
  name: auditbeat
  keepfiles: 3

  hosts: ["<ip>:<port>"]
  topic: "<topic-name>"

It logs any execution of kubectl, however it logs more things, like when I do sudo. Is it normal this behaviour ?

Thanks in advance,



That's normal. Auditbeat receives all of the audit messages from the kernel. So in addition to messages caused by your rules you'll be getting messages from apps that publish audit messages (like sshd and sudo).

You can write rules to drop these messages in the kernel if you don't want them (e.g. -a always,exclude -F msgtype=FOO). Or you could use a beats drop_event processor to drop them after Auditbeat receives it from kernel.

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