[Aderic]

Just an update: I no longer run servers, therefore I do not have an environment to continue updating my plugins. If you would like to take over development of one of my plugins, feel free to do so.

What does this plugin do?
Bans users who send the following strings, and blocks the messages from being broadcasted:

WWW.LMAOBOX.NET - BEST FREE TF2 HACK!
WWW.LMAOBOX.NET - BEST TF2 HACKS!
GET GOOD, GET LMAOBOX
GET GOOD, GET LMAOBOX!
LMAOBOX - WAY TO THE TOP

CVARS:
This plugin does not detect aimbots!
It is not a replacement for any aimbot detection you may already have in-place on your server.
It simply catches the users who joined the server and had LMAOBOX to spam that they were using said hack, bans them, and suppresses their chat message so nobody receives it.
People with premium versions of this aimbot can simply turn off spamming (rendering this plugin useless) while free versions (luckily the ones you will encounter 95% of the time) are forced to spam messages.

This will be the end result: These are real clients that connected to the server with LMAOBOX! Feel free to add them to your ban list.

Spoiler

L 01/01/2014 - 01:50:55: [LMAOBAN.smx] Autobanned client <STEAM_0:1:80479346> for advertising LMAOBOX.
L 01/06/2014 - 00:58:23: [LMAOBAN.smx] Autobanned client <STEAM_0:0:54182621> for advertising LMAOBOX.
L 01/08/2014 - 08:21:28: [LMAOBAN.smx] Autobanned client <STEAM_0:1:49994828> for advertising LMAOBOX.
L 01/13/2014 - 07:14:24: [LMAOBAN.smx] Autobanned client <STEAM_0:1:81200231> for advertising LMAOBOX.
L 01/17/2014 - 06:36:47: [LMAOBAN.smx] Autobanned client <STEAM_0:0:59707153> for advertising LMAOBOX.
L 01/18/2014 - 21:05:54: [LMAOBAN.smx] Autobanned client <STEAM_0:0:81498410> for advertising LMAOBOX.

CVARS:

Spoiler

sm_lmaoban_time - Time (in minutes) to ban the user, 0 means permanent ban. Default: 0
sm_lmaoban_reason - Ban message to be displayed to the user and recorded. Default: Aimbot Autoban
sm_lmaoban_detection - If 0, disabled. If 1, strict detection. If 2, detection if URL is mentioned. If 3, detection if the name is mentioned. Default: 1
sm_lmaoban_antispam_detection - If 0, disabled. If 1, mentioning LMAOBOX twice at any point will result in a ban (with the first being a warning). If 2, action will be taken based on whether it is spammed. Default: 0
sm_lmaoban_antispam_warning - The warning that appears on detection. If unset no warning will be given to users who gain a strike. This can be up to 192 characters. Default: Mentioning LMAOBOX will result in an automatic ban. Please refrain from mentioning it.
sm_lmaoban_antispam_rate - Seconds to sample for: if strikes exceed the amount set by sm_lmaoban_antispam_strikes, the user will be banned. Default: 3
sm_lmaoban_antispam_strikes - Maximum number of detections per sm_lmaoban_samplerate to ban. Default: 2

Plugin Version Info:

Version 1.0 - Initial Release Version 1.1 - Allows the OnBanClient forward to be called so plugins like the latest SourceBans (2.x) will work with it. Version 1.2 - Naughty characters are now stripped from the message and used for the comparison. Whitelisted characters are characters 32 through 126. Ascii Chart New CVAR added, if set to 1 the exact lines from LMAOBOX must be sent for a ban to be trigged. If 2, mentioning the URL (just LMAOBOX.NET) will trigger a ban. sm_lmaoban_detection Version 1.3 - Now detects free and premium versions of LMAOBOX. Version 1.4 - Added integration for SourceBans (1.x). Plugin can now be more forgiving: new CVARs add banning on second detection (after being warned) or banning if spammed. Original chat message is suppressed either way. Admins with access to "lmaoban_exempt" in overrides or BAN flag are exempt from these checks; meaning you can actually tell the users exactly what NOT to say without getting banned yourself. Since the plugin can now be more forgiving; sm_lmaoban_detection now has a third option which will cause a trigger if only the name of the bot is mentioned.

Installation Instructions:

Spoiler

1. Download lmaoban.smx below. You do not need lmaoban.sp unless you are a developer or you want to compile the plugin yourself.
   
2. Move lmaoban.smx to your sourcemod/plugins folder.
3. If your server is not running, start the server and the plugin will be loaded.
4. If your server is already running you can load the plugin by running the command: sm plugins load lmaoban
   

Developers: This plugin requires Sourcebans in order to compile successfully.