m2cmds.php: Magento 2 Dev Tool or Deceptive Hacktool?

Is this m2cmds.php file an insecure third-party dev tool for Magento - or a malicious hacktool used by an attacker?
Magento 2 Skimmer Uses getCredentialStorage

A PHP skimmer injected into a Magento 2 core file and used to steal login data from HTTP requests.
Recover Data From RansomWeb Malware

RansomWeb malware rewrites your file’s text to unreadable binary data and appends .xploiter to the file’s extension (e.g index.php.xploiter) - but you can use the malware against itself to revert back to your original files.
WordPress Comment Activates Backdoor Via SQL Trigger

Attackers are using SQL triggers as a backdoor to create a malicious admin user whenever a special comment is submitted to an infected WordPress website.
ALFA TEaM v4.1 Web Shell New Features

A new PHP web shell by ALFA TEaM that has some interesting new features like the ability to create a cPanel phishing page that blocks the victim from a part of their website until they interact with the phishing page.