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This topic created in 3459 days ago, the information mentioned may be changed or developed.
地址： http://coupon.yhd.com/pcDandelion/B01001/1793/kxKpyMYJeFc
网页加载 当鼠标移动后 dome 会加载下列 input 当鼠标移动就会更新 value 值
<input type="hidden" id="__yct_str__" name="__yct_str__" value="8bpOI1gkFBkk9vGMgrRd5P7W4jrwkXbMsJbtBs3larCWzEB%2BMpRn%2FcTksnRnyr62uyZ7TtQew%2FnxnchR52kSKX%2BGoOBgaPOMsVbz6ieB8%2BJeDuDAOnywwl7ZLkX5aqnmB1W0gYyT%2B%2B4Eq6WF7dHSAyfjkK%2FIjcMEzlzX2NJQfUbYPqbR%2F8uQq8435XiLQbjjb%2FzA9nmUygK8lBiJE%2FiHujBQIObBCXV7n5e65LvZuPJV%2FaHPq4pQXdeG9F4kcFx8wy9obsVORyAgKuiaFWKi3rI6vgW%2FPITnfiL7iE8a3%2FR7X3Ih9SkGNxl7oIhEyKDE">找了好久也没找到到底是哪里算出来的 请大牛来分析分析。
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1
lynnworld Nov 13, 2016
https://captcha.yhd.com/captcha/js/captcha.js?20161102 这里面，代码在变量里，用 eval 执行
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3
Kokororin Nov 13, 2016
变量 16 进制编码了。。 alert 一下就出来了
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