more configuration changes,

fixed issue with not escaping regex for validating commands
This commit is contained in:
RaidMax 2018-03-18 21:24:06 -05:00
parent 40be4bdf4d
commit 1ac7956c22
3 changed files with 364 additions and 0 deletions

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using SharedLibrary.Interfaces;
using SharedLibrary.Objects;
using StatsPlugin.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace StatsPlugin.Cheat
{
class Detection
{
int Kills;
int AboveThresholdCount;
double AverageKillTime;
Dictionary<IW4Info.HitLocation, int> HitLocationCount;
DateTime LastKill;
ILogger Log;
public Detection(ILogger log)
{
Log = log;
HitLocationCount = new Dictionary<IW4Info.HitLocation, int>();
foreach (var loc in Enum.GetValues(typeof(IW4Info.HitLocation)))
HitLocationCount.Add((IW4Info.HitLocation)loc, 0);
LastKill = DateTime.UtcNow;
}
/// <summary>
/// Analyze kill and see if performed by a cheater
/// </summary>
/// <param name="kill">kill performed by the player</param>
/// <returns>true if detection reached thresholds, false otherwise</returns>
public DetectionPenaltyResult ProcessKill(EFClientKill kill)
{
if ((kill.DeathType != IW4Info.MeansOfDeath.MOD_PISTOL_BULLET &&
kill.DeathType != IW4Info.MeansOfDeath.MOD_RIFLE_BULLET) ||
kill.HitLoc == IW4Info.HitLocation.none)
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Any,
RatioAmount = 0
};
HitLocationCount[kill.HitLoc]++;
Kills++;
AverageKillTime = (AverageKillTime + (DateTime.UtcNow - LastKill).TotalSeconds) / Kills;
#region SESSION_RATIOS
if (Kills >= Thresholds.LowSampleMinKills)
{
double marginOfError = Thresholds.GetMarginOfError(Kills);
// determine what the max headshot percentage can be for current number of kills
double lerpAmount = Math.Min(1.0, (Kills - Thresholds.LowSampleMinKills) / (double)(Thresholds.HighSampleMinKills - Thresholds.LowSampleMinKills));
double maxHeadshotLerpValueForFlag = Thresholds.Lerp(Thresholds.HeadshotRatioThresholdLowSample(2.0), Thresholds.HeadshotRatioThresholdHighSample(2.0), lerpAmount) + marginOfError;
double maxHeadshotLerpValueForBan = Thresholds.Lerp(Thresholds.HeadshotRatioThresholdLowSample(3.0), Thresholds.HeadshotRatioThresholdHighSample(3.0), lerpAmount) + marginOfError;
// determine what the max bone percentage can be for current number of kills
double maxBoneRatioLerpValueForFlag = Thresholds.Lerp(Thresholds.BoneRatioThresholdLowSample(2.25), Thresholds.BoneRatioThresholdHighSample(2.25), lerpAmount) + marginOfError;
double maxBoneRatioLerpValueForBan = Thresholds.Lerp(Thresholds.BoneRatioThresholdLowSample(3.25), Thresholds.BoneRatioThresholdHighSample(3.25), lerpAmount) + marginOfError;
// calculate headshot ratio
double currentHeadshotRatio = ((HitLocationCount[IW4Info.HitLocation.head] + HitLocationCount[IW4Info.HitLocation.helmet]) / (double)Kills);
// calculate maximum bone
double currentMaxBoneRatio = (HitLocationCount.Values.Select(v => v / (double)Kills).Max());
var bone = HitLocationCount.FirstOrDefault(b => b.Value == HitLocationCount.Values.Max()).Key;
#region HEADSHOT_RATIO
// flag on headshot
if (currentHeadshotRatio > maxHeadshotLerpValueForFlag)
{
// ban on headshot
if (currentHeadshotRatio > maxHeadshotLerpValueForFlag)
{
AboveThresholdCount++;
Log.WriteDebug("**Maximum Headshot Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentHeadshotRatio}");
Log.WriteDebug($"**MaxRatio {maxHeadshotLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentHeadshotRatio,
Bone = IW4Info.HitLocation.head,
KillCount = Kills
};
}
else
{
AboveThresholdCount++;
Log.WriteDebug("**Maximum Headshot Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentHeadshotRatio}");
Log.WriteDebug($"**MaxRatio {maxHeadshotLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentHeadshotRatio,
Bone = IW4Info.HitLocation.head,
KillCount = Kills
};
}
}
#endregion
#region BONE_RATIO
// flag on bone ratio
else if (currentMaxBoneRatio > maxBoneRatioLerpValueForFlag)
{
// ban on bone ratio
if (currentMaxBoneRatio > maxBoneRatioLerpValueForBan)
{
Log.WriteDebug("**Maximum Bone Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentMaxBoneRatio}");
Log.WriteDebug($"**MaxRatio {maxBoneRatioLerpValueForBan}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentMaxBoneRatio,
Bone = bone,
KillCount = Kills
};
}
else
{
Log.WriteDebug("**Maximum Bone Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentMaxBoneRatio}");
Log.WriteDebug($"**MaxRatio {maxBoneRatioLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentMaxBoneRatio,
Bone = bone,
KillCount = Kills
};
}
}
#endregion
}
#region CHEST_ABDOMEN_RATIO_SESSION
int chestKills = HitLocationCount[IW4Info.HitLocation.torso_upper];
if (chestKills >= Thresholds.MediumSampleMinKills)
{
double marginOfError = Thresholds.GetMarginOfError(chestKills);
double lerpAmount = Math.Min(1.0, (chestKills - Thresholds.LowSampleMinKills) / (double)(Thresholds.HighSampleMinKills - Thresholds.LowSampleMinKills));
// determine max acceptable ratio of chest to abdomen kills
double chestAbdomenRatioLerpValueForFlag = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(2.25), Thresholds.ChestAbdomenRatioThresholdHighSample(2.25), lerpAmount) + marginOfError;
double chestAbdomenLerpValueForBan = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(3.25), Thresholds.ChestAbdomenRatioThresholdHighSample(3.25), lerpAmount) + marginOfError;
double currentChestAbdomenRatio = HitLocationCount[IW4Info.HitLocation.torso_upper] / (double)HitLocationCount[IW4Info.HitLocation.torso_lower];
if (currentChestAbdomenRatio > chestAbdomenRatioLerpValueForFlag)
{
if (currentChestAbdomenRatio > chestAbdomenLerpValueForBan && chestKills >= Thresholds.MediumSampleMinKills + 30)
{
Log.WriteDebug("**Maximum Chest/Abdomen Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Chest Kills: {chestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenLerpValueForBan}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentChestAbdomenRatio,
Bone = IW4Info.HitLocation.torso_upper,
KillCount = chestKills
};
}
else
{
Log.WriteDebug("**Maximum Chest/Abdomen Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Chest Kills: {chestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenRatioLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentChestAbdomenRatio,
Bone = IW4Info.HitLocation.torso_upper,
KillCount = chestKills
};
}
}
}
#endregion
#endregion
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Any,
RatioAmount = 0
};
}
public DetectionPenaltyResult ProcessTotalRatio(EFClientStatistics stats)
{
int totalChestKills = stats.HitLocations.Single(c => c.Location == IW4Info.HitLocation.left_arm_upper).HitCount;
if (totalChestKills >= 250)
{
double marginOfError = Thresholds.GetMarginOfError(totalChestKills);
double lerpAmount = Math.Min(1.0, (totalChestKills - Thresholds.LowSampleMinKills) / (double)(Thresholds.HighSampleMinKills - Thresholds.LowSampleMinKills));
// determine max acceptable ratio of chest to abdomen kills
double chestAbdomenRatioLerpValueForFlag = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(2.25), Thresholds.ChestAbdomenRatioThresholdHighSample(2.25), lerpAmount) + marginOfError;
double chestAbdomenLerpValueForBan = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(3.0), Thresholds.ChestAbdomenRatioThresholdHighSample(3.0), lerpAmount) + marginOfError;
double currentChestAbdomenRatio = HitLocationCount[IW4Info.HitLocation.torso_upper] / (double)HitLocationCount[IW4Info.HitLocation.torso_lower];
if (currentChestAbdomenRatio > chestAbdomenRatioLerpValueForFlag)
{
if (currentChestAbdomenRatio > chestAbdomenLerpValueForBan)
{
Log.WriteDebug("**Maximum Lifetime Chest/Abdomen Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {stats.ClientId}");
Log.WriteDebug($"**Total Chest Kills: {totalChestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenLerpValueForBan}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentChestAbdomenRatio,
Bone = IW4Info.HitLocation.torso_upper,
KillCount = totalChestKills
};
}
else
{
Log.WriteDebug("**Maximum Lifetime Chest/Abdomen Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {stats.ClientId}");
Log.WriteDebug($"**Total Chest Kills: {totalChestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenRatioLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentChestAbdomenRatio,
Bone = IW4Info.HitLocation.torso_upper,
KillCount = totalChestKills
};
}
}
}
return new DetectionPenaltyResult()
{
Bone = IW4Info.HitLocation.none,
ClientPenalty = Penalty.PenaltyType.Any
};
}
}
}

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using SharedLibrary.Objects;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StatsPlugin.Cheat
{
class DetectionPenaltyResult
{
public Penalty.PenaltyType ClientPenalty { get; set; }
public double RatioAmount { get; set; }
public IW4Info.HitLocation Bone { get; set; }
public int KillCount { get; set; }
}
}

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace StatsPlugin.Cheat
{
class Thresholds
{
public static double HeadshotRatioThresholdLowSample(double deviations) => HeadshotRatioStandardDeviationLowSample * deviations + HeadshotRatioMean;
public static double HeadshotRatioThresholdHighSample(double deviations) => HeadshotRatioStandardDeviationHighSample * deviations + HeadshotRatioMean;
public const double HeadshotRatioStandardDeviationLowSample = 0.1769994181;
public const double HeadshotRatioStandardDeviationHighSample = 0.03924263235;
public const double HeadshotRatioMean = 0.222;
public static double BoneRatioThresholdLowSample(double deviations) => BoneRatioStandardDeviationLowSample * deviations + BoneRatioMean;
public static double BoneRatioThresholdHighSample(double deviations) => BoneRatioStandardDeviationHighSample * deviations + BoneRatioMean;
public const double BoneRatioStandardDeviationLowSample = 0.1324612879;
public const double BoneRatioStandardDeviationHighSample = 0.0515753935;
public const double BoneRatioMean = 0.4593110238;
public static double ChestAbdomenRatioThresholdLowSample(double deviations) => ChestAbdomenStandardDeviationLowSample * deviations + ChestAbdomenRatioMean;
public static double ChestAbdomenRatioThresholdHighSample(double deviations) => ChestAbdomenStandardDeviationHighSample * deviations + ChestAbdomenRatioMean;
public const double ChestAbdomenStandardDeviationLowSample = 0.2859234644;
public const double ChestAbdomenStandardDeviationHighSample = 0.2195212861;
public const double ChestAbdomenRatioMean = 0.4435;
public const int LowSampleMinKills = 15;
public const int MediumSampleMinKills = 30;
public const int HighSampleMinKills = 100;
public const double KillTimeThreshold = 0.2;
public static double GetMarginOfError(int numKills) => 0.98 / Math.Sqrt(numKills);
public static double Lerp(double v1, double v2, double amount)
{
return v1 + (v2 - v1) * amount;
}
}
}