public static void shannonEntropyFileMonDetection()
{
//Get name of ransomware
Logger.getPoCRansomware();
Thread.Sleep(1000);
//Post name to server that the ransomware has been fetched
Logger.postPoCFetched();
//Wait for the server to respond
while (!Logger.getHasFetched())
{
Thread.Sleep(500);
}
//Initialize variables
Logger.setRansomwareDownloaderPath(RANSOMWAREDOWNLOADERPATH);
ActionTaker.setBackingName(BACKINGNAME);
ActionTaker.setPathToBackingFile(pathToBackingFile);
ProcMon.setPathToProcMon(ProcMonPath);
FilemonEventHandler.setEntropyThreshold(entropyThreshold);
FilemonEventHandler.setThresholdToReaction(thresholdToReaction);
FilemonEventHandler.setSecondsInThreshold(secondsInThreshold);
Logger.setPath1(path1);
Logger.setPath2(path2);
Logger.setPath3(path3);
Logger.setPath4(path4);
Logger.setPathFileWatch(PATH);
//Find entropy of all files
ShannonEntropy temp1 = new ShannonEntropy();
temp1.getEntropyOfAllFilesInPath(path1);
ShannonEntropy temp2 = new ShannonEntropy();
temp2.getEntropyOfAllFilesInPath(path2);
ShannonEntropy temp3 = new ShannonEntropy();
temp3.getEntropyOfAllFilesInPath(path3);
ShannonEntropy temp4 = new ShannonEntropy();
temp4.getEntropyOfAllFilesInPath(path4);
//Print the entropies
Dictionary <string, double> test = ShannonEntropy.getSavedEntropies();
foreach (var item in test)
{
Console.WriteLine(item.Key + " - " + item.Value);
}
//Start procmon
BACKINGNAME = BACKINGNAME + 0;
var t = new Thread(() => ProcMon.createProcmonBackingFile(pathToBackingFile, BACKINGNAME));
t.Start();
//Start filemon
//When filemon sees a reaction it posts to filemoneventhandler
//Filemoneventhandler then deems if it is nessesary to take action, using actiontaker
Console.WriteLine(Logger.getNAMEONTEST());
//Start logger
Logger.LogWriter(PATH);
//Post to server that it has been tested
Logger.postPoCTested();
//Post to server the results
Logger.postPoCPosted();
Thread.Sleep(30000);
}
public static void shannonReaction(string path)
{
//Thread.Sleep(2000);
ProcMon.procmonTerminator(pathToBackingFile, BACKINGNAME + INDEXER);
//Thread.Sleep(10000);
INDEXER++;
var cpmbf = new Thread(() => ProcMon.createProcmonBackingFile(pathToBackingFile, BACKINGNAME + INDEXER));
cpmbf.Start();
Thread.Sleep(3000);
ProcMon.convertPMLfileToCSV(pathToBackingFile, BACKINGNAME + (INDEXER - 1) + ".PML", "convertedFile" + (INDEXER - 1) + ".CSV");
//Thread.Sleep(3000);
bool hasCSVbeenWritten = false;
Console.WriteLine("Path to CSV file: " + pathToBackingFile + "\\" + "convertedFile" + (INDEXER - 1) + ".CSV");
while (hasCSVbeenWritten == false)
{
try
{
using (Stream stream = new FileStream(pathToBackingFile + "\\" + "convertedFile" + (INDEXER - 1) + ".CSV", FileMode.Open))
{
hasCSVbeenWritten = true;
stream.Dispose();
}
}
catch (IOException)
{
}
Thread.Sleep(50);
}
List <CSVfileHandler> parsedData = CSVfileHandler.CSVparser(pathToBackingFile + "\\" + "convertedFile" + (INDEXER - 1) + ".CSV");
foreach (var item in parsedData)
{
if (!item.processName.Equals("Explorer.EXE"))
{
try
{
pID.Add(item.PID);
killedProcesses.Add(Process.GetProcessById(item.PID).ProcessName);
try
{
Console.WriteLine("Process: " + Process.GetProcessById(item.PID).ProcessName + " is killed due to suspicious behaviour");
killProcess(item.PID);
}
catch (Exception)
{
//Save processname as a temp
Console.WriteLine("Killing of the process failed");
}
}
catch
{
}
}
}
try
{
/*
* Console.WriteLine("Process: " + Process.GetProcessById(pID.Last()).ProcessName + " is killed due to suspicious behaviour");
* killedProcesses.Add(Process.GetProcessById(pID.Last()).ProcessName);
* killProcess(pID.Last());*/
if (!killedFirstProcess)
{
firstKilledProcessTime = DateTime.Now;
killedFirstProcess = true;
}
}
catch (Exception)
{
Console.WriteLine("Killing of -- FAILED.");
}
//Console.WriteLine("Do you wish to kill? ");
//string killInput = Console.ReadLine();
//Dataanalysis
}