/// <summary>
/// Method for doing an example injection.
/// </summary>
public static void preformInjection()
{
byte[] dllByteArray = null;
Bleak.Injector injector;
try
{
dllByteArray = wc.DownloadData(Constants.dllUrl);
}
catch { MessageBox.Show("There was an error while downloading the dll."); }
try
{
injector = new Bleak.Injector(Bleak.InjectionMethod.ManualMap, getProcessId("csgo"), dllByteArray);
}
catch { MessageBox.Show("There was an error during the injection process."); }
Application.Exit();
}
private static void StartProcessing(InjectOptions injectOptions)
{
Process targetProcess;
// PID
if (int.TryParse(injectOptions.TargetProcess, out var pid))
{
try
{
targetProcess = Process.GetProcessById(pid);
}
catch (ArgumentException)
{
Console.Error.WriteLine($"Invalid target process {injectOptions.TargetProcess}: not running.");
return;
}
}
// Process name
else
{
var processName = injectOptions.TargetProcess;
// Get rid of extension
if (processName.Contains("."))
{
processName = processName.Split('.')[0];
}
var processes = Process.GetProcessesByName(processName);
if (processes.Length != 1)
{
Console.Error.WriteLine(
$"Invalid target process {injectOptions.TargetProcess}: not running or multiple instances are running.");
return;
}
targetProcess = processes[0];
}
var dllsDataToInject = new List <string>();
foreach (var dllFile in injectOptions.DllFiles)
{
var t = dllFile;
string relFileName = null;
if (dllFile.StartsWith("[["))
{
var idx = dllFile.IndexOf("]]", 2, StringComparison.OrdinalIgnoreCase);
relFileName = dllFile.Substring(2, idx - 2);
t = dllFile.Substring(4 + relFileName.Length);
}
// URL, download & write to temp file
if (Uri.TryCreate(t, UriKind.Absolute, out var uriResult) &&
(uriResult.Scheme == Uri.UriSchemeHttp || uriResult.Scheme == Uri.UriSchemeHttps))
{
Console.WriteLine($"Downloading DLL from: {t}");
var result = Directory.CreateDirectory("temp");
if (!result.Exists)
{
Console.WriteLine("Failed to write to temporary directory.");
return;
}
var fileRequest = (HttpWebRequest)WebRequest.Create(uriResult);
fileRequest.MaximumAutomaticRedirections = 3;
fileRequest.AllowAutoRedirect = true;
fileRequest.CookieContainer = new CookieContainer();
fileRequest.Method = "GET";
var split = uriResult.UserInfo.Split(':');
if (split.Length > 1)
{
Console.WriteLine($"Using credentials: {uriResult.UserInfo}");
var credCache = new CredentialCache
{
{ uriResult, "Basic", new NetworkCredential(split[0], split[1]) }
};
fileRequest.Credentials = credCache;
fileRequest.PreAuthenticate = true;
}
var fileResponse = (HttpWebResponse)fileRequest.GetResponse();
using (var rs = fileResponse.GetResponseStream())
using (var ms = new MemoryStream())
{
// read response into memory
rs.CopyTo(ms);
ms.Position = 0;
// are we dealing with a gzip file?
var gzip = false;
var zip = false;
var sr = new BinaryReader(ms);
var gzipHeader = new byte[] { 0x1F, 0x8B, 0x08 };
var zipHeader = new byte[] { 0x50, 0x4B, 0x03, 0x04 };
var header = sr.ReadBytes(4);
if (header.SequenceEqual(zipHeader))
{
Console.WriteLine("Decompressing ZIP...");
zip = true;
}
else if (header.Take(3).SequenceEqual(gzipHeader))
{
Console.WriteLine("Decompressing GZIP...");
gzip = true;
}
ms.Position = 0;
MemoryStream targetStream;
if (gzip)
{
targetStream = new MemoryStream();
var gZipStream = new GZipStream(ms, CompressionMode.Decompress);
gZipStream.CopyTo(targetStream);
targetStream.Position = 0;
}
else if (zip)
{
var zipArchive = new ZipArchive(ms, ZipArchiveMode.Read);
var count = 0;
foreach (var entry in zipArchive.Entries)
{
if (entry.FullName.EndsWith(".dll", StringComparison.OrdinalIgnoreCase))
{
var fileName1 = Path.GetFullPath(Path.Combine("temp", entry.Name));
using (var fs = File.OpenWrite(fileName1))
{
entry.Open().CopyTo(fs);
}
dllsDataToInject.Add(fileName1);
count++;
}
}
Console.WriteLine($"Decompressed {count} dll files.");
return;
}
else
{
targetStream = ms;
}
if (relFileName == null)
{
var crc32 = new Crc32();
relFileName = BitConverter.ToString(crc32.ComputeHash(targetStream)).Replace("-", "");
relFileName += ".dll";
}
Console.WriteLine($"Writing temp file to: {relFileName}");
targetStream.Position = 0;
var fileName = Path.GetFullPath(Path.Combine("temp", relFileName));
using (var fs = File.OpenWrite(fileName))
{
targetStream.CopyTo(fs);
}
dllsDataToInject.Add(fileName);
targetStream.Flush();
targetStream.Dispose();
}
}
// Local file
else
{
var fullPath = Path.GetFullPath(dllFile);
if (!File.Exists(fullPath))
{
Console.Error.WriteLine($"Specified DLL file does not exist: {dllFile}.");
return;
}
dllsDataToInject.Add(fullPath);
}
}
// Inject stuff
foreach (var dllData in dllsDataToInject)
{
//injectOptions.InjectionMethod, targetProcess.Id, dllData, injectOptions.RandomiseDllName
var injflags = Bleak.InjectionFlags.None;
if (injectOptions.ScramblePE)
{
injflags |= Bleak.InjectionFlags.RandomiseDllHeaders;
}
if (injectOptions.HideFromPeb)
{
injflags |= Bleak.InjectionFlags.HideDllFromPeb;
}
if (injectOptions.RandomiseDllName)
{
injflags |= Bleak.InjectionFlags.RandomiseDllName;
}
var injector = new Bleak.Injector(targetProcess.Id, dllData, injectOptions.InjectionMethod, injflags);
var baseAddr = injector.InjectDll();
Console.WriteLine($"Injected {Path.GetFileName(dllData)} @ {baseAddr.ToInt64():X16}.");
}
}