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

Unexpected or unusual patterns in the server logs, such as repeated patterns of failed logins followed by successful logins.

Multiple requests with identical POST parameters.

This IP belongs to Abbott Laboratories.

The IP attempted to exploit known vulnerabilities in the SIP protocol.

POST /j_security_check: May indicate an attempt to bypass Java server page (JSP) login mechanisms.

This malicious IP was reported for trying to intercept VoIP calls, a type of eavesdropping attack aimed at capturing sensitive information.

The IP attempted to exploit known vulnerabilities in the VOIP protocol.

The IP was involved in a traffic flooding attack, overwhelming a network's bandwidth to cause service disruption.

This IP belongs to AT&T.

Multiple failed login attempts from the same IP address.

A large number of requests from a single user agent, suggesting an automated process.

Code Injection: Usage of standard codes (like Base64) to obscure attack payloads or commands.

Various incidents of unwanted installation of malicious gaming apps were traced back to this IP.

We flagged down attempts from the IP to leak backdoor viruses into the system.

Unusual patterns in the sequence of requests.

Remote File Inclusion (RFI): You might see HTTP requests with "=http" or "=ftp" which can signal an attempt for remote file inclusion.

This IP belongs to Liberty Mutual Insurance Group.

It launched SQL injection attempts, to break our server database through poorly secured entry fields.

POST /upload.php: An attempt to upload a possibly malicious file.

The IP attempted to use the POP3 server to relay spam.

This IP belongs to Heroku.

Repeated failed attempts to access application interfaces or ports that are typically not open to the public.

The IP under scrutiny has been associated with multiple modem hijackers.

The IP engaged in an HTTP Desync attack, misaligning HTTP request and responses to yield SSH vulnerability.