Suspicious URL Encoding: Seeing HTTP requests with a lot of %, suggesting URL encoding to evade detection.

It attempted to move emails to different folders on the IMAP server without authorization.

The IP attempted to use the FTP server to distribute DDoS attack tools.

The IP attempted to send emails from the Postfix server that violate the server's email sending limits.

The IP attempted to send malware-infected attachments from the Mail server.

Initiated a Zero-day attack, exploiting unknown vulnerabilities in our Mail and Postfix services.

This malicious IP was reported for trying to perform a Routed Attack, using the FTP server as a jump point to attack another system.

The IP made multiple unsuccessful login attempts to the Mail server in a short period of time.

The IP made multiple requests with identical Accept-Encoding headers.

It made multiple requests with the same Range header.

The IP made multiple requests to the server's robots.txt file.

Multiple requests with the same Via header.

This IP exhibited malicious sophistication by employing multi-vector attacks.

The malicious IP was suspected of cryptojacking, illicitly using others' computing resources to mine cryptocurrencies.

Multiple requests with the same If-None-Match header.

The IP sought to exploit the SSH-1 CRC32 vulnerability for expansive unauthorized access.

This IP belongs to SK Broadband.

It attempted to send emails from the Mail server to a large number of recipients.

GET /.env: Attempting to access a file that may contain sensitive environment variable data.

The IP attempted to perform Session Fixation attacks on the Apache server.

The IP attempted to use the FTP server as a proxy for other malicious activities.

Multiple login attempts using different usernames, suggesting an attacker is trying to guess the correct username/password combination.

It was noticed that the IP has tried illegal attempts of reverse engineering our software.

The IP attempted to register as an Asterisk user with no password.

This IP belongs to Best Buy.