Script: *send-tcp.ps1* ======================== This PowerShell script sends a TCP message to the given IP address and port. Parameters ---------- ```powershell PS> ./send-tcp.ps1 [[-TargetIP] ] [[-TargetPort] ] [[-Message] ] [] -TargetIP Specifies the target IP address Required? false Position? 1 Default value Accept pipeline input? false Accept wildcard characters? false -TargetPort Specifies the target port number Required? false Position? 2 Default value 0 Accept pipeline input? false Accept wildcard characters? false -Message Specifies the message to send Required? false Position? 3 Default value Accept pipeline input? false Accept wildcard characters? false [] This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, WarningVariable, OutBuffer, PipelineVariable, and OutVariable. ``` Example ------- ```powershell PS> ./send-tcp 192.168.100.100 8080 "TEST" ``` Notes ----- Author: Markus Fleschutz | License: CC0 Related Links ------------- https://github.com/fleschutz/PowerShell Script Content -------------- ```powershell <# .SYNOPSIS Sends a TCP message to an IP address and port .DESCRIPTION This PowerShell script sends a TCP message to the given IP address and port. .PARAMETER TargetIP Specifies the target IP address .PARAMETER TargetPort Specifies the target port number .PARAMETER Message Specifies the message to send .EXAMPLE PS> ./send-tcp 192.168.100.100 8080 "TEST" .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$TargetIP = "", [int]$TargetPort = 0, [string]$Message = "") try { if ($TargetIP -eq "" ) { $TargetIP = read-host "Enter target IP address" } if ($TargetPort -eq 0 ) { $TargetPort = read-host "Enter target port" } if ($Message -eq "" ) { $Message = read-host "Enter message to send" } $IP = [System.Net.Dns]::GetHostAddresses($TargetIP) $Address = [System.Net.IPAddress]::Parse($IP) $Socket = New-Object System.Net.Sockets.TCPClient($Address,$TargetPort) $Stream = $Socket.GetStream() $Writer = New-Object System.IO.StreamWriter($Stream) $Message | % { $Writer.WriteLine($_) $Writer.Flush() } $Stream.Close() $Socket.Close() "✔️ Done." exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 } ``` *(generated by convert-ps2md.ps1 using the comment-based help of send-tcp.ps1 as of 05/19/2024 10:25:25)*