最近OIBH被众多群发机器加入到了被害者列表中，验证码那一关显然已经被搞破了（有漏洞还是识别的？如果是识别的话就有点佩服了）。后来我在网上胡乱搜索了一下关于验证码和验证码识别的对抗，有意思的东西还很多。下面这些有创意的验证码大家见过吗？
Tencent的中文验证码：
gif动画干扰的验证码：
“雪花牌电视机”（FireFox下浏览最佳）：
3D验证码：
迷宫式验证码：
极限验证码：
flash验证码：
http://www.glowchart.com/index.cfm?submit
音频验证码（记得MSN注册时就可以选择声音验证）：
http://www.notonebit.com/projects/killbot/kbaudio.php
图片分类式的验证码：
http://gs264.sp.cs.cmu.edu/cgi-bin/esp-pix
WordPress的Did You Pass Math插件：
http://blogs.herod.net/steven/archives/93（注意下面Leave a Reply的时候需要填写什么）
这里也有一个Do the Math脚本：
http://www.hamidof.com/Downloads/PHP_Scripts/Simple_Captcha_Script/
问答式验证码（Discuz!插件）：
http://www.bbsplug.com/register.php
Matrix67搜集整理
转贴请注明出处
好强，第三个–雪花牌电视机，幸好我用的firefox专门用ie看了一下，什么也看不清。对付这种发广告的软件用任意一种就可以了吧
回复：我也试过，不知道为什么IE浏览动画不连续，好像要跳帧，这也说明FireFox要好一些
最近不怎么用ie了，插件太多了，瑞星卡卡还不错，挡住了很多，不过哪天忘了升级就又开始了。。。。firefox也有些受不了的地方，有些网站和它不是很兼容=.=||
回复：用FireFox加IE Tab插件基本上就没问题了
在firefox下看一会雪花，然后马上到IE来看，发现，也能隐隐约约的看到。
刘红石
我小学期间就接触过3D立体图,能直接看出来
这里也需要验证嘛呀。哈哈
尊敬的老师：
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发现广告，留念
这个 迷宫式验证码 是哪里的?
想去学习学习~~麻烦告诉地址~~~
怎么没有飞燕的“算法”验证码？我可是纠结了很长时间的呀……
http://yzfy.org/c
我在rqnoj上遇到过8888~
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