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http - 如何通过技术手段识别PHP网站生成的验证码？

WBOY
Release： 2016-06-06 20:43:42
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通常有哪些手段读取并识别网站的验证码？

回复内容：

通常有哪些手段读取并识别网站的验证码？

程序识别验证码入门必看：http://drops.wooyun.org/tips/141

看看是存cookie还是session.

常规验证码采用OCR识别，问答类的验证码就刷新保存题库。

我想中五百万彩票，请大牛给出下期中奖号码。

我想中五百万彩票，请大牛给出下期中奖号码。

Related labels：
curl http php Verification code
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