/// <summary>
/// Processing function called to allow the plugin to process the file.
/// </summary>
/// <param name="file"></param>
/// <param name="options"></param>
/// <returns></returns>
public override bool ProcessFile(string file, SteamlessOptions options)
{
// Initialize the class members..
this.Options = options;
this.CodeSectionData = null;
this.CodeSectionIndex = -1;
this.PayloadData = null;
this.SteamDrmpData = null;
this.SteamDrmpOffsets = new List <int>();
this.UseFallbackDrmpOffsets = false;
this.XorKey = 0;
// Parse the file..
this.File = new Pe32File(file);
if (!this.File.Parse())
{
return(false);
}
// Announce we are being unpacked with this packer..
this.Log("File is packed with SteamStub Variant 2.0!", LogMessageType.Information);
this.Log("Step 1 - Read, disassemble and decode the SteamStub DRM header.", LogMessageType.Information);
if (!this.Step1())
{
return(false);
}
this.Log("Step 2 - Read, decode and process the payload data.", LogMessageType.Information);
if (!this.Step2())
{
return(false);
}
this.Log("Step 3 - Read, decode and dump the SteamDRMP.dll file.", LogMessageType.Information);
if (!this.Step3())
{
return(false);
}
this.Log("Step 4 - Scan, dump and pull needed offsets from within the SteamDRMP.dll file.", LogMessageType.Information);
if (!this.Step4())
{
return(false);
}
this.Log("Step 5 - Read, decrypt and process the main code section.", LogMessageType.Information);
if (!this.Step5())
{
return(false);
}
this.Log("Step 6 - Rebuild and save the unpacked file.", LogMessageType.Information);
if (!this.Step6())
{
return(false);
}
return(true);
}
/// <summary>
/// Processing function called to allow the plugin to process the file.
/// </summary>
/// <param name="file"></param>
/// <param name="options"></param>
/// <returns></returns>
public override bool ProcessFile(string file, SteamlessOptions options)
{
// Initialize the class members..
this.TlsAsOep = false;
this.TlsOepRva = 0;
this.Options = options;
this.CodeSectionData = null;
this.CodeSectionIndex = -1;
this.XorKey = 0;
// Parse the file..
this.File = new Pe64File(file);
if (!this.File.Parse())
{
return(false);
}
// Announce we are being unpacked with this packer..
this.Log("File is packed with SteamStub Variant 3.0!", LogMessageType.Information);
this.Log("Step 1 - Read, decode and validate the SteamStub DRM header.", LogMessageType.Information);
if (!this.Step1())
{
return(false);
}
this.Log("Step 2 - Read, decode and process the payload data.", LogMessageType.Information);
if (!this.Step2())
{
return(false);
}
this.Log("Step 3 - Read, decode and dump the SteamDRMP.dll file.", LogMessageType.Information);
if (!this.Step3())
{
return(false);
}
this.Log("Step 4 - Handle .bind section. Find code section.", LogMessageType.Information);
if (!this.Step4())
{
return(false);
}
this.Log("Step 5 - Read, decrypt and process code section.", LogMessageType.Information);
if (!this.Step5())
{
return(false);
}
this.Log("Step 6 - Rebuild and save the unpacked file.", LogMessageType.Information);
if (!this.Step6())
{
return(false);
}
return(true);
}
/// <summary>
/// Processing function called to allow the plugin to process the file.
/// </summary>
/// <param name="file"></param>
/// <param name="options"></param>
/// <returns></returns>
public override bool ProcessFile(string file, SteamlessOptions options)
{
// Obtain the view model locator..
var vml = Application.Current.FindResource("ViewModelLocator") as ViewModelLocator;
// Obtain the plugins..
var plugins = vml?.MainWindow.Plugins;
if (plugins == null || plugins.Count == 0)
{
return(false);
}
// Query the plugin list for a plugin to process the file..
return((from p in plugins where p != this where p.CanProcessFile(file) select p.ProcessFile(file, options)).FirstOrDefault());
}
/// <summary>
/// Processing function called to allow the plugin to process the file.
/// </summary>
/// <param name="file"></param>
/// <param name="options"></param>
/// <returns></returns>
public override bool ProcessFile(string file, SteamlessOptions options)
{
// Initialize the class members..
this.Options = options;
this.OriginalEntryPoint = 0;
// Parse the file..
this.File = new Pe32File(file);
if (!this.File.Parse())
{
return(false);
}
// Announce we are being unpacked with this packer..
this.Log("File is packed with SteamStub Variant 1.0!", LogMessageType.Information);
this.Log("Step 1 - Read, decode and validate the SteamStub DRM header.", LogMessageType.Information);
if (!this.Step1())
{
return(false);
}
this.Log("Step 2 - Handle .bind section.", LogMessageType.Information);
if (!this.Step2())
{
return(false);
}
this.Log("Step 3 - Rebuild and save the unpacked file.", LogMessageType.Information);
if (!this.Step3())
{
return(false);
}
if (this.Options.RecalculateFileChecksum)
{
this.Log("Step 4 - Rebuild unpacked file checksum.", LogMessageType.Information);
if (!this.Step4())
{
return(false);
}
}
return(true);
}
private static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
Steamless.Unpacker.Variant31.x64.Main m64 = new Steamless.Unpacker.Variant31.x64.Main();
Steamless.Unpacker.Variant31.x86.Main m86 = new Steamless.Unpacker.Variant31.x86.Main();
SteamlessOptions s = new SteamlessOptions();
Vendor sh = new Vendor();
string requiredDLLPath0 = Assembly.GetAssembly(m64.GetType()).CodeBase.Substring(8);
string requiredDLLPath1 = Assembly.GetAssembly(s.GetType()).CodeBase.Substring(8);
string requiredDLLPath2 = Assembly.GetAssembly(sh.GetType()).CodeBase.Substring(8);
string requiredDLLPath3 = Assembly.GetAssembly(m86.GetType()).CodeBase.Substring(8);
if (!File.Exists(requiredDLLPath0) || !File.Exists(requiredDLLPath1) || !File.Exists(requiredDLLPath2) || !File.Exists(requiredDLLPath3))
{
MessageBox.Show("Missing dependencies");
return;
}
}
private static bool ProcessSteamFile20(string file)
{
SteamlessOptions s = new SteamlessOptions
{
VerboseOutput = false,
KeepBindSection = false,
DumpPayloadToDisk = false,
DumpSteamDrmpToDisk = false
};
Steamless.Unpacker.Variant20.x86.Main m = new Steamless.Unpacker.Variant20.x86.Main();
m.Initialize(m_LoggingService);
if (m.ProcessFile(file, s))
{
return(true);
}
else
{
return(false);
}
}
public static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Please pass an executable!");
return;
}
SteamlessOptions options = new SteamlessOptions();
String executable = args[0];
MainClass main = new MainClass();
List <SteamlessPlugin> plugins = main.GetSteamlessPlugins();
if (plugins.Count == 0)
{
Console.WriteLine("Failed to load any plugins!");
return;
}
SteamlessPlugin plugin = null;
for (int i = 0; i < plugins.Count; i++)
{
if (!plugins[i].CanProcessFile(executable))
{
Console.WriteLine("Skipping " + plugins[i].Name);
continue;
}
plugins[i].ProcessFile(executable, options);
}
if (plugin == null)
{
Console.WriteLine("Failed to find a plugin that could process " + executable);
return;
}
Console.WriteLine("Decrypting with " + plugin.Name + " by " + plugin.Author);
Console.WriteLine(plugin.Description);
}
/// <summary>
/// Processing function called to allow the plugin to process the file.
/// </summary>
/// <param name="file"></param>
/// <param name="options"></param>
/// <returns></returns>
public override bool ProcessFile(string file, SteamlessOptions options)
{
this.m_LoggingService.OnAddLogMessage(this, new LogMessageEventArgs("ExamplePlugin was asked to process a file!", LogMessageType.Debug));
return(false);
}
/// <summary>
/// Runs the Steamless command line operations.
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
static int Run(string[] args)
{
var logService = new LoggingService();
var opts = new SteamlessOptions();
var file = string.Empty;
// Prepare the logging service..
logService.AddLogMessage += (sender, e) =>
{
if (!opts.VerboseOutput && e.MessageType == LogMessageType.Debug)
{
return;
}
try
{
if (sender != null)
{
e.Message = $"[{sender.GetType().Assembly.GetName().Name}] {e.Message}";
}
else
{
e.Message = $"[Steamless] {e.Message}";
}
}
catch
{
}
Console.WriteLine(e.Message);
};
// Print the program header..
Program.PrintHeader();
// Process command line arguments for the various Steamless options..
foreach (var arg in args)
{
if (arg.ToLower() == "--quiet")
{
opts.VerboseOutput = false;
}
if (arg.ToLower() == "--keepbind")
{
opts.KeepBindSection = true;
}
if (arg.ToLower() == "--keepstub")
{
opts.ZeroDosStubData = false;
}
if (arg.ToLower() == "--dumppayload")
{
opts.DumpPayloadToDisk = true;
}
if (arg.ToLower() == "--dumpdrmp")
{
opts.DumpSteamDrmpToDisk = true;
}
if (arg.ToLower() == "--realign")
{
opts.DontRealignSections = false;
}
if (arg.ToLower() == "--recalcchecksum")
{
opts.RecalculateFileChecksum = true;
}
if (arg.ToLower() == "--exp")
{
opts.UseExperimentalFeatures = true;
}
if (!arg.StartsWith("--"))
{
file = arg;
}
}
// Ensure an input file was given..
if (string.IsNullOrEmpty(file))
{
Program.PrintHelp();
return(1);
}
// Ensure the input file exists..
if (!File.Exists(file))
{
logService.OnAddLogMessage(null, new LogMessageEventArgs("Invalid input file given; cannot continue.", LogMessageType.Error));
return(1);
}
// Collect the list of available plugins..
var plugins = GetSteamlessPlugins(logService);
plugins.ForEach(p => logService.OnAddLogMessage(null, new LogMessageEventArgs($"Loaded plugin: {p.Name} - by {p.Author} (v.{p.Version})", LogMessageType.Success)));
// Ensure plugins were found and loaded..
if (plugins.Count == 0)
{
logService.OnAddLogMessage(null, new LogMessageEventArgs("No plugins were loaded; be sure to fully extract Steamless before running!", LogMessageType.Error));
return(1);
}
// Loop through the plugins and try to unpack the file..
foreach (var p in plugins)
{
// Check if the plugin can process the file..
if (p.CanProcessFile(file))
{
var ret = p.ProcessFile(file, opts);
logService.OnAddLogMessage(null, !ret
? new LogMessageEventArgs("Failed to unpack file.", LogMessageType.Error)
: new LogMessageEventArgs("Successfully unpacked file!", LogMessageType.Success));
if (ret)
{
return(0);
}
}
}
logService.OnAddLogMessage(null, new LogMessageEventArgs("All unpackers failed to unpack file.", LogMessageType.Error));
return(1);
}
