Attempts to access the server using known malicious IP addresses or domains.

It executed directory traversal attempts to access unauthorized directories / folders in our server.

The IP distributed unrequested software, secretly stealing user data while posing as useful tools.

Our system logs indicate this IP has been pushing illegitimate browser plugins into our network.

The IP was actively seeking unpatched SSH software in hope of finding exploitable vulnerabilities.

The IP showed unusual patterns in referrer URLs.

Reverse Tabnabbing Attempts: Logs illustrating target="_blank" in URL, which is a sign of reverse tabnabbing attempt.

This IP belongs to GitHub.

GET /setup.php: Effort to locate setup files for PHP applications.

It appears this IP was linked to a number of drive-by-download attacks, silently downloading spyware.

The IP attempted to inject malicious scripts into the server hoping it would get executed.

It attempted to send emails from the Postfix server that violate the server's usage policy.

This IP belongs to Cisco Systems.

Multiple requests with the same Proxy-Connection header.

This IP belongs to KT Corporation.

The IP address generated an unusual increase in network bandwidth usage.

GET /server-status: Often an attempt to check Apache server status.

The IP was identified as operating a Registration Bot (REG-Bot), automating the creation of multiple fake accounts on various platforms.

The malicious IP was reported for sending malformed packets to the SIP server, potentially aiming to crash the system.

Too Many HTTP 404 Errors: A high number of 404 Page Not Found errors may indicate an attacker trying to find valid directories or pages.

The IP launched exploitation attacks based on the infamous 'Heartbleed' OpenSSL cryptographic vulnerabilities.

It attempted to perform a VOIP Hopper scan on the Asterisk server.

It attempted to exploit known vulnerabilities in the Mail protocol.

The detected IP address was responsible for the distribution of botnets aimed at automating data theft.

HTTP Request with Odd Timing: Very precisely timed HTTP requests could imply an automated tool or bot.