The “smtp cracker” script, which by the way–is not a cracker, and grabs more than just smtp credentials it uses the above methods to crawl a list of IPs/URLs looking for specific strings in the response such as PayPal, AWS_KEY, SES_KEY, Twilio, sendgrid, office365, zoho, mailgun and others. Here’s an example of a web response with debug enabled: ![]() ![]() In the response, you will see the debug option as well as all the information from the. env in the web root (/.env) or by sending random data to the webserver and reviewing the response. You can check to see if debug is enabled by checking for. Here’s an example of debug being enabled (set to true) in the. The debug option is turned off by default on Laravel systems, but it appears many users are enabling debug and not understanding the consequences. Laravel provides drivers for SMTP, Mailgun, Mandrill, Amazon SES, PHP’s mail function, and sendmail, allowing you to quickly get started sending mail through a local or cloud based service of your choice. Laravel is a free, open-source PHP web framework, created by Taylor Otwell and intended for the development of web applications env file includes AWS, O365, SendGrid, Twilio credentials and more. These attackers are looking for websites that have debug mode enabled, which allows the attacker to see their. ![]() An attacker logged in through RDP a few days ago to run a “smtp cracker” that scans a list of IP addresses or URLs looking for misconfigured Laravel systems.
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