private IEnumerable <IShare> GetShares()
{
var coll = new ShareCollector();
this.eventBus.Trigger <IShareCollector>(coll);
return(coll.Shares);
}
/// <summary>
/// Search for the NetWalker Readme file in a file list not on local share
/// </summary>
/// <see cref="ListReadme(List{string})"/>
/// <see cref="ListReadmeOnShares(List{string})"/>
/// <param name="files"></param>
/// <returns>Summarize of Readme found</returns>
public static List <string> ListReadmeNotOnShares(List <string> files)
{
Logger.Console("Filter detected files not on shares");
List <string> readme = new List <string>();
List <string> shares = ShareCollector.GetShares();
foreach (string file in files)
{
foreach (string share in shares)
{
if (!file.ToLower().StartsWith(share.ToLower() + "\\"))
{
AddIfReadme(readme, file);
}
}
}
readme.Sort();
Logger.WriteFile(readme);
return(readme);
}
/// <summary>
/// The entry point of the analyser
/// </summary>
/// <param name="args">Command line args</param>
static void Main(string[] args)
{
Logger.ResultDir = "C:\\NWA-(" + HostDataCollector.GetHostname() + ")-Result-" + DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss");
Directory.CreateDirectory(Logger.ResultDir);
Logger.Console("Running on " + (HostDataCollector.GetHostname()));
if (HostDataCollector.IsAdministrator())
{
Logger.Console("Running as Administrator, continue");
}
else
{
Logger.Console("Not running as Administrator, abort !");
Console.ReadLine();
System.Environment.Exit(1);
}
Logger.Console("Mounted drives:");
foreach (string l in FileSystemAnalyser.GetDisks())
{
Logger.Console(" - " + l);
}
Logger.WriteFile("Drives", FileSystemAnalyser.GetDisks());
Logger.Console("Shares:");
foreach (string s in ShareCollector.GetShares())
{
Logger.Console(" - " + s);
}
Logger.WriteFile("Shares", ShareCollector.GetShares());
List <string> files = FileSystemAnalyser.Scan();
List <string> allReadme = FileSystemAnalyser.ListReadme(files);
List <string> sharesReadme = FileSystemAnalyser.ListReadmeOnShares(files);
List <string> notSharesReadme = FileSystemAnalyser.ListReadmeNotOnShares(files);
bool exePresent = FileSystemAnalyser.HasSuspiciousExe(files);
if (allReadme.Count > 0)
{
Logger.Console("!!!!! Readme file detected, this machine is compromised !!!!!");
}
List <string> users = UserAccountCollector.GetUsers();
if (users.Contains("adfs"))
{
Logger.Console("!!!!! adfs account detected, this machine may be compromised !!!!!");
}
Logger.WriteFile("Malicious-Present", exePresent ? "True" : "False");
// don4t remove the ADFS direcotry
//UserAccountCollector.RemoveUser("adfs");
// This is unused by our variant of NetWalker
//RegistryAnalyser.Scan();
Logger.WriteFile("ADFS-Present", UserAccountCollector.HasAdfs() ? "True" : "False");
if (allReadme.Count > 0 || exePresent)
{
ResultDisplayer.Locked();
Logger.Console("Readme found: " + allReadme.Count);
Logger.Console("Readme found on drives: " + notSharesReadme.Count);
Logger.Console("Readme found on shares: " + sharesReadme.Count);
Logger.Console("Malicious EXE present: " + (exePresent ? "Yes" : "No"));
Console.WriteLine();
}
else if (UserAccountCollector.HasAdfs())
{
ResultDisplayer.Unclean();
Logger.Console("ADFS account detected");
Console.WriteLine();
}
else
{
ResultDisplayer.Clean();
}
Console.WriteLine("Press Enter to quit...");
Console.ReadLine();
}