code:
<?php

  $userid = "1343672";

  $userkey = "cc6849e3918975abebb4b1d4cc0607df";

  $journalid = "1157754";

  $postid = "27510536";

  $count = 30;

  

  set_time_limit(0);

  @ob_end_flush();

  

  function addsection($name, $value, $filename = "NOTHING"){

    global $content, $boundary;

    $content .= "--".$boundary."\r\n";

    $content .= "Content-Disposition: form-data; name="".$name.""";

    if($filename != "NOTHING") $content .= "; filename=""\r\nContent-Type: application/octet-stream";

    $content .= "\r\n\r\n";

    $content .= $value."\r\n";

  }

 

  for($i = 1; $i <= $count; $i++){

    $message = sha1(mt_rand(100000,999999).mt_rand(100000,999999).mt_rand(100000,999999).mt_rand(100000,999999).mt_rand(100000,999999).mt_rand(100000,999999));

    $boundary = "---------------------------".substr(md5(mt_rand(100000,999999).mt_rand(100000,999999).mt_rand(100000,999999)),5,14);

    $content = "";

    addsection("s", "");

    addsection("action", "newcomment");

    addsection("journalid", $journalid);

    addsection("jpostid", $postid);

    addsection("comuserid", $userid);

    addsection("usquote", "");

    addsection("headerofpost", "");

    addsection("message", $message);

    addsection("MAX_FILE_SIZE", "Прикрепить файл");

    addsection("attachfile", "", "");

    addsection("parseurl", "yes");

    addsection("commentsubscribe", "yes");

    addsection("submit.x", "1");

    addsection("submit.y", "1");

    $content .= "--".$boundary."--";

    $header = "POST /journal_addcomment.php HTTP/1.0

Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*

Accept-Language: ru

Content-Type: multipart/form-data; boundary=".$boundary."

User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)

Host: www.liveinternet.ru

Content-Length: ".strlen($content)."

Connection: Close

Pragma: no-cache

Cookie: bbuserid=".$userid."; bbpassword=".$userkey.";



";

    $f = fsockopen("www.liveinternet.ru", 80);

    fwrite($f, $header.$content);

    fclose($f);

    echo "(".$i.")";

    flush();

    sleep(1);

  }

  echo "COMPLETE";

?>