AntyCheat System

#include <open.mp>

// -
#define C_GREEN 0x20DD6AFF
#define C_ERROR 0xA01616FF

// -
new pCheat[MAX_PLAYERS];
// -
new rMemAddr[8];

// -
forward autoSobCheck(playerid);
forward kickPlayer(playerid);
forward OnClientCheckResponse(playerid, actionid, memaddr, retndata);
// -

new opcodes[8] = {
    0x06865E,
    0xA88774,
    0xDB6746,
    0xFDB957,
    0x52D558,
    0xE4FC58,
    0x1BA246,
    0xB0C56F
};

// -- Callbacks --
public OnPlayerConnect(playerid)
{
    pCheat[playerid] = -1;
    // -
    SendClientCheck(playerid, 0x47, 0, 0, 0x4);
    SendClientCheck(playerid, 0x48, 0, 0, 0x4);
    // -

    for (new i = 0; i < 8; i++) rMemAddr[i] = anotherForm(opcodes[i]), SendClientCheck(playerid, 0x5, rMemAddr[i], 0x0, 0x4);
    SetTimerEx("autoSobCheck", 2900, false, "i", playerid);
    return 1;
}

public OnClientCheckResponse(playerid, actionid, memaddr, retndata)
{
    switch(actionid)
    {
        case 0x5:
        {
            if ( memaddr == rMemAddr[0] && retndata != 192) pCheat[playerid] = 1;
            if ( memaddr == rMemAddr[1] && retndata != 72) pCheat[playerid] = 2;
            if ( memaddr == rMemAddr[2] && retndata != 192) pCheat[playerid] = 3;
            if ( memaddr == rMemAddr[3] && retndata != 68) pCheat[playerid] = 4;
            if ( memaddr == rMemAddr[4] && retndata != 196) pCheat[playerid] = 5;
            if ( memaddr == rMemAddr[5] && retndata != 64) pCheat[playerid] = 6;
            if ( memaddr == rMemAddr[6] && retndata != 8 ) pCheat[playerid] = 7; // CLEO5+Ultimate ASI Loader
            if ( memaddr == rMemAddr[7] && retndata != 200 ) pCheat[playerid] = 8; // SilentPatch
        }
    }
    return 1;
}

public autoSobCheck(playerid)
{
    if ( pCheat[playerid] > 0 )
    {
        for(new i = 0; i < 7; i++) SendClientMessage(playerid, -1, " ");
        SendClientMessage(playerid, C_GREEN, "--------------------------------------------");
    }
    // --
    switch ( pCheat[playerid] )
    {
        case 1:SendClientMessage(playerid, C_ERROR, "[ERROR] System has detected that you are using S0beit mod. Remove it and return to the server!"), SetTimerEx("kickPlayer", 2500, false, "d", playerid);
        case 2..6:SendClientMessage(playerid, C_ERROR, "[ERROR] System has detected that you are using CLEO mod. Remove it and return to the server!"), SetTimerEx("kickPlayer", 2500, false, "d", playerid);
        case 7:SendClientMessage(playerid, C_ERROR, "[ERROR] System has detected that you are using CLEO5+Ultimate ASI Loader mod. Remove it and return to the server!"), SetTimerEx("kickPlayer", 2500, false, "d", playerid);
        case 8:SendClientMessage(playerid, C_ERROR, "[ERROR] System has detected that you are using SilentPatch. Remove it and return to the server!"), SetTimerEx("kickPlayer", 2500, false, "d", playerid);
    }
    return 1;
}

public kickPlayer(playerid) Kick(playerid);

// --
stock anotherForm(input)
{
    new result;

    #emit LOAD.S.pri input
    #emit CONST.alt 0xFF
    #emit AND
    #emit CONST.alt 16
    #emit SHL
    #emit STOR.S.pri result

    #emit LOAD.S.pri input
    #emit CONST.alt 0xFF00
    #emit AND
    #emit LOAD.S.alt result
    #emit ADD
    #emit STOR.S.pri result

    #emit LOAD.S.pri input
    #emit CONST.alt 0xFF0000
    #emit AND
    #emit CONST.alt 16
    #emit SHR
    #emit LOAD.S.alt result
    #emit ADD
    #emit STOR.S.pri result

    return result;
}