小红书逆向学习

破解参数

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

base64解析

{"signSvn":"51","signType":"x1","appId":"xhs-pc-web","signVersion":"1","payload":"65ced183840b2eb82ac94fd44e67dcef28ac0fbc086e7d66e5d0acbcaf670b41364baacabddbc61d94290fd890604d03c9e3bfda1faa1eb90d74aa31b54c72cd0d74aa31b54c72cdac489b9da8ce5e48f4afb9acfc3ea26fe0b266a6b4cc3cb548c35735a48609108195f228ef8fffd0c060a1caeafd5bfdd1a92aa68e78168cc878a3cc12d690f58a15da032af937674fffa96db54e099906ac6cfd66c3e62863121dd97c7b27fc1be60173968a5dc46bbf523d297bb4cd74abe1b22b7e3293"}

payload参数

"65ced183840b2eb82ac94fd44e67dcef28ac0fbc086e7d66e5d0acbcaf670b41364baacabddbc61d94290fd890604d03c9e3bfda1faa1eb90d74aa31b54c72cd0d74aa31b54c72cdac489b9da8ce5e48f4afb9acfc3ea26fe0b266a6b4cc3cb548c35735a48609108195f228ef8fffd0c060a1caeafd5bfdd1a92aa68e78168cc878a3cc12d690f58a15da032af937674fffa96db54e099906ac6cfd66c3e62863121dd97c7b27fc1be60173968a5dc46bbf523d297bb4cd74abe1b22b7e3293"

长度

查找加密

1.关键字搜索

2.JSON.stringify hook查找

JSON.stringify_=JSON.stringify
JSON.stringify=function(){
	if(arguments[0]&&arguments[0]["payload"]){
		debugger;
	}
	let temp=JSON.stringify_.apply(this,arguments);
	return temp
}

代码

log日志点

ace_1ae3c(_ace_8712.apply(typeof _ace_25a6._ace_936 == "undefined" ? _ace_4752e : _ace_25a6._ace_936, _ace_bdcc), _ace_be07c, _ace_be07c, 0);
console.log(_ace_8712,_ace_25a6._ace_936,_ace_bdcc);false;//split 123 -
"123".split("-")

文本处理

  , function(p0, p1, p2, p3, p4, p5, p6) {
                _ace_1ae3c(_ace_34d1(p0, p1) + _ace_34d1(p2, p3), _ace_be07c, _ace_be07c, 0);
                return ++p4;
            }

a1=18f8b7d9eechgfg8q6tmkjuc0oaqd6xflvt8v0giv50000600451

x1=md5(url=/api/redcaptcha/v2/getconfig{})
x2=环境
x3=cookies 下 a1
x4=时间戳

滑块

https://www.xiaohongshu.com/web-login/captcha?redirectPath=https%3A%2F%2Fwww.xiaohongshu.com%2Fexplore&callFrom=web&biz=sns_web&verifyUuid=fc7b3a95-2215-49e7-baf9-ec9ad3fdb01c*dzRfShXv&verifyType=102&verifyBiz=461