Antibots.rar

The most common "AntiBot" software found in archive formats are plugins for Minecraft (Bukkit/Spigot) designed to prevent bot-joining attacks.

Generic names like "antibots" are frequently used in "cracked" software or "game cheats" to hide Remote Access Trojans (RATs) or stealers. Critical Risk Analysis

alemart/antibot-guardian: Stop spam bots with custom ... - GitHub

Many developers share "antibot" scripts (PHP/JavaScript) to stop web scrapers, often packaged as .rar files on forums or GitHub.

Depending on where you found it, this file likely belongs to one of these categories: