Download latest release (v1.9.46)

Nex-AC - Anticheat system

Nex Anticheat (Nex-AC) - is a comprehensive protection which combines powerful anticheat and protection against various attacks (flood, DoS).
Anticheat detects popular cheats instantly punishing cheaters.
Anti-DoS combines customizable anti-flood, anti-DoS at network level and a lot of protection tools against hacking, crashers etc.

List of basic anti-cheats:

• Anti-AirBreak (onfoot/in vehicle)
• Anti-teleport hack (onfoot/into/in/between vehicles)
• Anti-teleport pickups
• Anti-FlyHack (onfoot/in vehicle)
• Anti-SpeedHack (onfoot/in vehicle)
• Anti-Health hack (onfoot/in vehicle) and armour hack
• Anti-Weapon hack and (add/infinite) ammo hack
• Anti-Special actions hack (including jetpack)
• Anti-GodMode from bullets (onfoot/in vehicle)
• Anti-Invisible hack
• Anti-Money hack
• Anti-Tuning hack
• Anti-lagcomp-spoof
• Anti-Parkour mod
• Anti-Quick turn
• Anti-Rapid fire
• Anti-FakeSpawn
• Anti-FakeKill
• Anti-Pro Aim
• Anti-CJ run
• Anti-CarShot
• Anti-CarJack
• Anti-UnFreeze
• Anti-AFK Ghost
• Anti-Reconnect
• Anti-High ping
• Anti-Fake NPC
• Anti-Dialog hack
• Protection from sandbox
• Protection from invalid version
• Protection from flood by seat changing
• Protection from connection flood in one slot
• Anti-Rcon hack (brute/brute-forse)
• Anti-callback functions flood (complete list below)
• Anti-crashers (complete list below)
• Anti-NOP's (complete list below)
• Anti-Dos

Additional features:

* Setting anticheat from file

The settings is located in a separate file (scriptfiles\nex-ac_settings.cfg)

* Statistics viewing

Ability to view statistics of the anticheat for all the time of server work since its launch Displayed automatically when the server turns off. Stored in a server log (server_log.txt)

* Logging the most important actions

Optionally, you can enable debug-mode for logging all actions

* Multilingual

Ability to set any of the available languages.
It also simplifies the process of translation of anticheat into other languages

List of publics which are protected by anti-flood:

• OnDialogResponse
• OnEnterExitModShop
• OnPlayerClickMap
• OnPlayerClickPlayer
• OnPlayerClickTextDraw
• OnPlayerCommandText
• OnPlayerEnterVehicle
• OnPlayerExitVehicle
• OnPlayerPickUpPickup
• OnPlayerRequestClass
• OnPlayerSelectedMenuRow
• OnPlayerStateChange
• OnVehicleMod
• OnVehiclePaintjob
• OnVehicleRespray
• OnVehicleDeath
• OnPlayerText
• OnPlayerEnterCheckpoint
• OnPlayerLeaveCheckpoint
• OnPlayerRequestSpawn
• OnPlayerExitedMenu
• OnPlayerEnterRaceCheckpoint
• OnPlayerLeaveRaceCheckpoint
• OnPlayerClickPlayerTextDraw
• OnVehicleDamageStatusUpdate
• OnPlayerSelectObject

Anti-NOP's:

• SpawnPlayer
• SetPlayerPos
• SetVehiclePos
• SetPlayerAmmo
• SetPlayerHealth
• SetPlayerArmour
• SetVehicleHealth
• GivePlayerWeapon
• SetPlayerPosFindZ
• SetPlayerInterior
• PutPlayerInVehicle
• ResetPlayerWeapons
• SetPlayerArmedWeapon
• SetPlayerSpecialAction
• TogglePlayerSpectating
• RemovePlayerFromVehicle

Anti-Crashers:

• Invalid tuning
• Invalid vehicle seat
• Illegal characters in the dialogs (deleting)
• Invalid attached objects
• Weapon Crasher

Functions:

public OnCheatDetected(playerid, ip_address[], type, code)

Called when triggers one of the anti-cheats

• playerid - ID of the cheater
• ip_address[] - IP-address of the cheater
• type - Type of cheating (when 0 it returns the ID, when 1 - IP)
• code - Code (ID) of the anti-cheat

EnableAntiCheat(code, enable)

Use to enable/disable one of the anti-cheats

• code - ID of the anti-cheat
• enable - 1 to enable/0 to disable

EnableAntiCheatForPlayer(playerid, code, enable)

Use to enable/disable one of the anti-cheats for a particular player

• playerid - ID of the player who needs to enable/disable the anti-cheat
• code - ID of the anti-cheat
• enable - 1 to enable/0 to disable

Added in v1.3:

IsAntiCheatEnabled(code)

Use to check whether one of the anti-cheats is enabled/disabled

• code - ID of the anti-cheat
• Return 1 (true) if enabled or 0 (false) if disabled

IsAntiCheatEnabledForPlayer(playerid, code)

Use to check whether one of the anti-cheats is enabled/disabled for a particular player

• playerid - ID of the player to be checked whether the anti-cheat enabled/disabled for him
• code - ID of the anti-cheat
• Return 1 (true) if enabled or 0 (false) if disabled

Added in v1.8.8:

AntiCheatGetHealth(playerid, &Float:health)

Use to get the amount of a player's health

• playerid - The ID of the player
• &Float:health - Variable for storage health, passed by reference

AntiCheatGetArmour(playerid, &Float:armour)

Use to get the amount of a player's armour

• playerid - The ID of the player
• &Float:armour - Variable for storage armour, passed by reference

AntiCheatGetVehicleHealth(vehicleid, &Float:health)

Use to get the amount of the vehicle health

• vehicleid - The ID of the vehicle
• &Float:health - Variable for storage health, passed by reference

AntiCheatGetWeaponData(playerid, slot, &weapons, &ammo)

Use to get weapons and ammo in a certain slot of a player

• playerid - The ID of the player
• slot - The slot in which need to get the weapons and ammo
• &weapons - Variable for storage weapon ID, passed by reference
• &ammo - Variable for storage amount of ammo, passed by reference

AntiCheatGetSpawnWeapon(playerid, &weapon1, &weapon1_ammo, &weapon2, &weapon2_ammo, &weapon3, &weapon3_ammo)

Use to get spawn weapons and ammo of a player

• playerid - The ID of the player
• &weapon1 - Variable for storage the weapon 1, passed by reference
• &weapon1_ammo - The variable for storage the amount of ammo for the weapon 1, passed by reference
• &weapon2 - Variable for storage the weapon 2, passed by reference
• &weapon2_ammo - The variable for storage the amount of ammo for the weapon 2, passed by reference
• &weapon3 - Variable for storage the weapon 3, passed by reference
• &weapon3_ammo - The variable for storage the amount of ammo for the weapon 3, passed by reference

AntiCheatGetPos(playerid, &Float:x, &Float:y, &Float:z)

Use to get a player's position

• playerid - The ID of the player
• &Float:x - The variable for storage the x coordinate, passed by reference
• &Float:y - The variable for storage the y coordinate, passed by reference
• &Float:z - The variable for storage the z coordinate, passed by reference

AntiCheatGetVehicleVelocity(vehicleid, &Float:x, &Float:y, &Float:z)

Use to get the vehicle speed

• vehicleid - The ID of the vehicle
• &Float:x - The variable for storage the x speed, passed by reference
• &Float:y - The variable for storage the y speed, passed by reference
• &Float:z - The variable for storage the z speed, passed by reference

AntiCheatGetSpeed(playerid)

Use to get a player's speed

• playerid - The ID of the player
• Returns the player's speed or 0 if the player is not connected

AntiCheatGetAnimationIndex(playerid)

Use to get the index (ID) of a player's current animation

• playerid - The ID of the player
• Returns the ID of the animation or 0 if the player is not connected

AntiCheatGetDialog(playerid)

Use to get the ID of the opened dialog of a player

• playerid - The ID of the player
• Returns the ID of the dialog or -1 if the player is not connected

AntiCheatGetMoney(playerid)

Use to get the amount of a player's money

• playerid - The ID of the player
• Returns the amount of money or 0 if the player is not connected

AntiCheatGetEnterVehicle(playerid)

Use to get the ID of the vehicle which a player try to enter

• playerid - The ID of the player
• Returns the ID of the vehicle or 0 if the player is not connected

AntiCheatGetVehicleID(playerid)

Use to get the ID of the vehicle in which a player is

• playerid - The ID of the player
• Returns the ID of the vehicle or 0 if the player is not connected

AntiCheatGetWeapon(playerid)

Use to get a player's current weapon ID

• playerid - The ID of the player
• Returns the ID of weapon or -1 if the player is not connected

AntiCheatGetVehicleSeat(playerid)

Use to get the seat in the vehicle on which the player is

• playerid - The ID of the player
• Returns the ID of the seat or -1 if the player is not connected

AntiCheatGetSpecialAction(playerid)

Use to get the ID of the special action of a player

• playerid - The ID of the player
• Returns the ID of the special action or 0 if the player is not connected

AntiCheatGetLastSpecialAction(playerid)

Use to get the ID of the previous special action of a player

• playerid - The ID of the player
• Returns the ID of the previous special action or 0 if the player is not connected

AntiCheatGetLastShotWeapon(playerid)

Use to get the ID of the last weapon from which a player shot

• playerid - The ID of the player
• Returns the ID of the last weapon or -1 if the player is not connected

AntiCheatGetLastPickup(playerid)

Use to get the ID of the last pickup which a player picked

• playerid - The ID of the player
• Returns the ID of the last picked up pickup or -1 if the player is not connected

AntiCheatGetLastUpdateTime(playerid)

Use to get a player's last update timestamp

• playerid - The ID of the player
• Returns the timestamp of the last update or 0 if the player is not connected

AntiCheatGetLastReloadTime(playerid)

Use to get a player's last (weapon) reload timestamp

• playerid - The ID of the player
• Returns the timestamp of the last reload or 0 if the player is not connected

AntiCheatGetLastEnteredVehTime(playerid)

Use to get a player's last entering vehicle attempt timestamp

• playerid - The ID of the player
• Returns the timestamp of the last entering attempt or 0 if the player is not connected

AntiCheatGetLastShotTime(playerid)

Use to get a player's last shot timestamp

• playerid - The ID of the player
• Returns the timestamp of the last shot or 0 if the player is not connected

AntiCheatGetLastSpawnTime(playerid)

Use to get a player's last spawn timestamp

• playerid - The ID of the player
• Returns the timestamp of the last spawn or 0 if the player is not connected

AntiCheatIntEnterExitsIsEnabled(playerid)

Use to check whether enter/exit markers in interiors are enabled/disabled for a player

• playerid - The ID of the player
• Returns 1 (true) if enabled or 0 (false) if disabled

AntiCheatStuntBonusIsEnabled(playerid)

Use to check whether stunt bonus is enabled/disabled for a player

• playerid - The ID of the player
• Returns 1 (true) if enabled or 0 (false) if disabled

AntiCheatIsInModShop(playerid)

Use to check whether a player is in ModShop or not

• playerid - The ID of the player
• Returns 1 (true) if it is or 0 (false) if it is not

AntiCheatIsFrozen(playerid)

Use to check whether a player is frozen or not

• playerid - The ID of the player
• Returns 1 (true) if frozen or 0 (false) if not frozen

AntiCheatIsDead(playerid)

Use to check whether a player is dead or not

• playerid - The ID of the player
• Returns 1 (true) if dead or 0 (false) if not dead

AntiCheatIsConnected(playerid)

Use to check whether a player is on a server or not

• playerid - The ID of the player
• Returns 1 (true) if it is or 0 (false) if it is not

Added in v1.9.37:

public OnCheatWarning(playerid, ip_address[], type, code, code2, count)

Called when triggers any warnings of one of the anti-cheats

• playerid - ID of the suspected cheater
• ip_address[] - IP-address of the suspected cheater
• type - Type of cheating (when 0 it returns the ID, when 1 - IP)
• code - Code (ID) of the anti-cheat
• code2 - Sub-code (ID) of the anti-cheat check
• count - Count of warnings triggered on suspected cheater

public OnFloodWarning(playerid, publicid, count)

Called when triggers any anti-flood warnings on one of the protected publics

• playerid - ID of the suspected flooder
• publicid - ID of the public that was called too quickly
• count - Count of warnings triggered on suspected flooder

public OnNOPWarning(playerid, nopid, count)

Called when triggers any NOP warnings on one of the protected functions

• playerid - ID of the suspected cheater
• nopid - ID of the NOP check
• count - Count of warnings triggered on suspected cheater

AntiCheatKickWithDesync(playerid, code)

Use to kick with desync a particular player by the anticheat

• playerid - ID of the player who will be kicked with desync for the delay time
• code - ID of the anti-cheat (with some codes the player's vehicle will be resynced after his disconnection)

AntiCheatIsKickedWithDecync(playerid)

Use to check whether a player is (being) kicked or not

• playerid - The ID of the player
• Returns 1 for kick onfoot, 2 for kick in a vehicle (driver), 3 if player is already disconnected or 0 if he isn't kicked

Added in v1.9.40:

AntiCheatGetSpawnPos(playerid, &Float:x, &Float:y, &Float:z)

Use to get a player's spawn position

• playerid - The ID of the player
• &Float:x - The variable for storage the x coordinate, passed by reference
• &Float:y - The variable for storage the y coordinate, passed by reference
• &Float:z - The variable for storage the z coordinate, passed by reference

Added in v1.9.41:

EnableAntiNOP(nopcode, enable)

Use to enable/disable one of the anti-NOPs

• nopcode - ID of the anti-NOP
• enable - 1 to enable/0 to disable

EnableAntiNOPForPlayer(playerid, nopcode, enable)

Use to enable/disable one of the anti-NOPs for a particular player

• playerid - ID of the player who needs to enable/disable the anti-NOP
• nopcode - ID of the anti-NOP
• enable - 1 to enable/0 to disable

IsAntiNOPEnabled(nopcode)

Use to check whether one of the anti-NOPs is enabled/disabled

• nopcode - ID of the anti-NOP
• Return 1 (true) if enabled or 0 (false) if disabled

IsAntiNOPEnabledForPlayer(playerid, nopcode)

Use to check whether one of the anti-NOPs is enabled/disabled for a particular player

• playerid - ID of the player to be checked whether the anti-NOP enabled/disabled for him
• nopcode - ID of the anti-NOP
• Return 1 (true) if enabled or 0 (false) if disabled

Added in v1.9.42:

AntiCheatGetVehicleDriver(vehicleid)

Use to get the ID of the driver of the vehicle

• vehicleid - The ID of the vehicle
• Returns the ID of the driver or INVALID_PLAYER_ID if the vehicle does not exist

AntiCheatGetVehicleInterior(vehicleid)

Use to get the ID of the interior of the vehicle

• vehicleid - The ID of the vehicle
• Returns the ID of the interior or 0 if the vehicle does not exist

AntiCheatGetVehiclePaintjob(vehicleid)

Use to get the ID of the paintjob of the vehicle

• vehicleid - The ID of the vehicle
• Returns the ID of the paintjob or 3 if the vehicle does not exist

Added in v1.9.43:

AntiCheatGetVehiclePos(vehicleid, &Float:x, &Float:y, &Float:z)

Use to get a vehicle position

• vehicleid - The ID of the vehicle
• &Float:x - The variable for storage the x coordinate, passed by reference
• &Float:y - The variable for storage the y coordinate, passed by reference
• &Float:z - The variable for storage the z coordinate, passed by reference

AntiCheatGetVehicleZAngle(vehicleid, &Float:z_angle)

Use to get the vehicle z rotation

• vehicleid - The ID of the vehicle
• &Float:z_angle - The variable for storage the z rotation, passed by reference

AntiCheatGetVehicleSpawnPos(vehicleid, &Float:x, &Float:y, &Float:z)

Use to get a vehicle spawn position

• vehicleid - The ID of the vehicle
• &Float:x - The variable for storage the x coordinate, passed by reference
• &Float:y - The variable for storage the y coordinate, passed by reference
• &Float:z - The variable for storage the z coordinate, passed by reference

AntiCheatGetVehicleSpawnZAngle(vehicleid, &Float:z_angle)

Use to get the vehicle spawn z rotation

• vehicleid - The ID of the vehicle
• &Float:z_angle - The variable for storage the z rotation, passed by reference

Added in v1.9.46:

AntiCheatGetInterior(playerid)

Use to get the ID of the interior in which a player is

• playerid - The ID of the player
• Returns the ID of the interior or 0 if the player is not connected

Multilingual:

The script can be configured in any of the available languages. To do it, just download the desired localization, save it in a directory with the main include (nex_ac.inc) and recompile your script.

• .lang files can be opened even in default notepad and easily edited

It is also recommended to check for using any other anticheats in order to avoid conflicts with them.

Installation:

1. Download version of the anticheat which compatible with the version of your server
2. Download the language file (.lang) in your preferred language
3. Copy both files to a folder "/pawno/include" which is located in a folder with the server
4. In gamemode and all filterscripts, after #include "a_samp" write the following: #include "nex-ac"
   Warning! If you use Streamer Plugin by Incognito, Timerfix plugin by Dan, foreach, sscanf, Pawn.RakNet or y_hooks, include it before nex-ac!
   Also keep in mind that filterscript must have "#define FILTERSCRIPT" before including the anticheat
5. Compile the modified scripts

Do you get an error when you compiling this anticheat with YSI? Check out some tips

Thanks:

• Magic_York, Roberto_York, TheHero, Nike_33, Vitalik_Gonsor, Mix_Rargard, Unisheld, f0Re3t - testing
• ZiGGi, Urukhay, Yashas, theYiin, RaefaldhiAmartya, PatchwerkQWER, kvann, rt-2 - advices on the code
• Carper - German translation
• Jstylezzz - Dutch translation
• J4Rr3x, Sasino97 - Italian translation
• Alex Westbrook, JustBored - Spanish translation
• lashona, ArthourP, DAKYSKYE - Georgian translation
• wampiros6 - Polish translation
• DeitY, Dragony92 - Serbian translation
• NicK_ - PT/BR translation
• KyleSmith, infin1tyy - Improved English translation
• M4D - Persian (Farsi) Translation
• Valera_Kovshikov - Ukrainian translation
• RaefaldhiAmartya - Indonesian translation
• vannesenn - Croatian translation
• j3rry, vic1997 - French translation
• zaibaslr2 - Lithuanian translation
• UnforgiveNNN - Romanian translation
• Pedro. - Hungarian translation
• Ben_Lovejoy - Finnish translation
• Rengar - Latvian translation
• bgedition - Bulgarian translation
• Jensenn - Turkish translation
• Sanady - Slovak translation
• Grig - Armenian translation
• SooBad - Czech translation
• OldPawn - Estonian translation
• Negativ_Tm - Turkmen translation
• Trung.Tin - Vietnamese translation
• willbedie - Albanian translation
• aktah - Thai translation
• Michael.Richmond - Moldavian translation

This script also contains materials from third-party open source projects.

P.s. I developed this anticheat for about a year and spent on it a lot of effort and time. I really hope that it will be useful to you.

Enjoy!