Created
November 5, 2023 06:14
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A PowerShell script for modifying the TTL value on Windows systems to bypass mobile hotspot sharing restrictions.
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| # Get the ID and security principal of the current user account | |
| $myWindowsID = [System.Security.Principal.WindowsIdentity]::GetCurrent() | |
| $myWindowsPrincipal = New-Object System.Security.Principal.WindowsPrincipal($myWindowsID) | |
| # Get the security principal for the Administrator role | |
| $adminRole = [System.Security.Principal.WindowsBuiltInRole]::Administrator | |
| # Check to see if we are currently running "as Administrator" | |
| if ($myWindowsPrincipal.IsInRole($adminRole)) | |
| { | |
| # We are running "as Administrator" - so change the title and background color to indicate this | |
| $Host.UI.RawUI.WindowTitle = $myInvocation.MyCommand.Definition + " (Elevated)" | |
| $Host.UI.RawUI.BackgroundColor = "Black" | |
| clear-host | |
| } | |
| else | |
| { | |
| # We are not running "as Administrator" - so relaunch as administrator | |
| # Create a new process object that starts PowerShell | |
| $newProcess = New-Object System.Diagnostics.ProcessStartInfo "PowerShell"; | |
| # Specify the current script path and name as a parameter | |
| $newProcess.Arguments = $myInvocation.MyCommand.Definition; | |
| # Indicate that the process should be elevated | |
| $newProcess.Verb = "runas"; | |
| # Start the new process | |
| [System.Diagnostics.Process]::Start($newProcess); | |
| # Exit from the current, unelevated, process | |
| exit | |
| } | |
| # Display the menu | |
| function Display-Menu { | |
| cls | |
| Write-Host "===============================" | |
| Write-Host 'Tethering Limit Bypass' | |
| Write-Host "===============================" | |
| Write-Host "1: Display IPv4 Protocol Configuration" | |
| Write-Host "2: Display IPv6 Protocol Configuration" | |
| Write-Host "3: Set IPv4 and IPv6 Packet TTL to 65" | |
| Write-Host "4: Custom IPv4 and IPv6 Packet TTL" | |
| Write-Host "5: Reset IPv4 and IPv6 Packet TTL" | |
| Write-Host "6: Exit" | |
| } | |
| # Display the protocol configuration | |
| function Display-Protocol { | |
| param ( | |
| [string]$Protocol | |
| ) | |
| try { | |
| Invoke-Expression ("Get-Net" + $Protocol + "Protocol | Format-List") | |
| } catch { | |
| Write-Host "Error: $_" | |
| } | |
| Read-Host "Press Enter to continue" | |
| } | |
| # Set the TTL | |
| function Set-TTL { | |
| param ( | |
| [int]$TTL | |
| ) | |
| if ($TTL -lt 1 -or $TTL -gt 255) { | |
| Write-Host "Invalid TTL value. Please enter a value between 1 and 255." | |
| Read-Host "Press Enter to continue" | |
| return | |
| } | |
| Write-Host "Running commands with administrative privileges..." | |
| netsh int ipv4 set glob defaultcurhoplimit=$TTL | |
| netsh int ipv6 set glob defaultcurhoplimit=$TTL | |
| Write-Host "Verifying Packet TTL..." | |
| $current_ttl = (Get-NetIPv4Protocol).DefaultHopLimit | |
| if ($current_ttl -eq $TTL) { | |
| Write-Host "Packet TTL has been set to $TTL successfully." | |
| } else { | |
| Write-Host "Failed to set Packet TTL. Please run this script as an administrator." | |
| } | |
| Read-Host "Press Enter to continue" | |
| } | |
| # Main loop | |
| do { | |
| Display-Menu | |
| $choice = Read-Host "Enter your choice" | |
| switch ($choice) { | |
| '1' { Display-Protocol "IPv4" } | |
| '2' { Display-Protocol "IPv6" } | |
| '3' { Set-TTL 65 } | |
| '4' { | |
| $ttl = Read-Host "Enter your custom TTL value" | |
| if ($ttl -match '^\d+$') { | |
| $ttl = [int]$ttl | |
| if ($ttl -ge 1 -and $ttl -le 255) { | |
| Set-TTL $ttl | |
| } else { | |
| Write-Host "Invalid input. Please enter a numeric value between 1 and 255." | |
| Read-Host "Press Enter to continue" | |
| } | |
| } else { | |
| Write-Host "Invalid input. Please enter a numeric value." | |
| Read-Host "Press Enter to continue" | |
| } | |
| } | |
| '5' { Set-TTL 128 } | |
| '6' { exit } | |
| default { Write-Host "Invalid option" } | |
| } | |
| } while ($true) |
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