CNode

像这种特殊的JS代码 Node 这么运行?

问答
Eeoo520发布于9 年前最后回复9 年前38 回复8785 浏览0 收藏

像下面的****** 用浏览器F12 console面板 直接运行 输出是 ZEJ4N/0L1aFqOg== 如果用node运行 可以?

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查看回复

回复 (38)

I
im-here#1·9 年前

这东西能运行? 我放到chrome里报 Uncaught TypeError: ((!(![])) + [])[((!(![])) * 1)] is not a function

A
alloyteamzy#3·9 年前

1496740910(1).jpg 厉害了,我的哥!

E
eoo520#5·9 年前
引用 im-here@eoo520 确实能执行呢。 不过不知道为啥😂

@imhered 我也不知道啊,一个网页的防御机制。

E
eoo520#6·9 年前
引用 alloyteamzy厉害了,我的哥!

@alloyteamzy 不是我写的啊, 我用PHP匹配出来的,就是想看看 能不能用Node运算,反正我试了 不行。

N
nullcc#7·9 年前
E
eoo520#8·9 年前
引用 nullccjsfuck

@nullcc 不会玩。。。。。

E
eoo520#9·9 年前
引用 nullccjsfuck

@nullcc 有没有node decod解码的 求例子啊

S
suweimin#10·9 年前

这是啥

L
leeseean#11·9 年前

无聊。。。。。。。。。。。。

E
eoo520#12·9 年前
引用 leeseean无聊。。。。。。。。。。。。

@leeseean 想了解一下,这没问题吧?

I
itellyouu#13·9 年前

copy到chrome控制台


゚ω゚ノ= /`m´)ノ ~┻━┻   //*´∇`*/ ['_']; o=(゚ー゚)  =_=3; c=(゚Θ゚) =(゚ー゚)-(゚ー゚); (゚Д゚) =(゚Θ゚)= (o^_^o)/ (o^_^o);(゚Д゚)={゚Θ゚: '_' ,゚ω゚ノ : ((゚ω゚ノ==3) +'_') [゚Θ゚] ,゚ー゚ノ :(゚ω゚ノ+ '_')[o^_^o -(゚Θ゚)] ,゚Д゚ノ:((゚ー゚==3) +'_')[゚ー゚] }; (゚Д゚) [゚Θ゚] =((゚ω゚ノ==3) +'_') [c^_^o];(゚Д゚) ['c'] = ((゚Д゚)+'_') [ (゚ー゚)+(゚ー゚)-(゚Θ゚) ];(゚Д゚) ['o'] = ((゚Д゚)+'_') [゚Θ゚];(゚o゚)=(゚Д゚) ['c']+(゚Д゚) ['o']+(゚ω゚ノ +'_')[゚Θ゚]+ ((゚ω゚ノ==3) +'_') [゚ー゚] + ((゚Д゚) +'_') [(゚ー゚)+(゚ー゚)]+ ((゚ー゚==3) +'_') [゚Θ゚]+((゚ー゚==3) +'_') [(゚ー゚) - (゚Θ゚)]+(゚Д゚) ['c']+((゚Д゚)+'_') [(゚ー゚)+(゚ー゚)]+ (゚Д゚) ['o']+((゚ー゚==3) +'_') [゚Θ゚];(゚Д゚) ['_'] =(o^_^o) [゚o゚] [゚o゚];(゚ε゚)=((゚ー゚==3) +'_') [゚Θ゚]+ (゚Д゚) .゚Д゚ノ+((゚Д゚)+'_') [(゚ー゚) + (゚ー゚)]+((゚ー゚==3) +'_') [o^_^o -゚Θ゚]+((゚ー゚==3) +'_') [゚Θ゚]+ (゚ω゚ノ +'_') [゚Θ゚]; (゚ー゚)+=(゚Θ゚); (゚Д゚)[゚ε゚]='\\'; (゚Д゚).゚Θ゚ノ=(゚Д゚+ ゚ー゚)[o^_^o -(゚Θ゚)];(o゚ー゚o)=(゚ω゚ノ +'_')[c^_^o];(゚Д゚) [゚o゚]='\"';(゚Д゚) ['_'] ( (゚Д゚) ['_'] (゚ε゚+(゚Д゚)[゚o゚]+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ (゚ー゚)+ (゚Θ゚)+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ ((゚ー゚) + (゚Θ゚))+ (゚ー゚)+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ (゚ー゚)+ ((゚ー゚) + (゚Θ゚))+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ ((o^_^o) +(o^_^o))+ ((o^_^o) - (゚Θ゚))+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ ((o^_^o) +(o^_^o))+ (゚ー゚)+ (゚Д゚)[゚ε゚]+((゚ー゚) + (゚Θ゚))+ (c^_^o)+ (゚Д゚)[゚ε゚]+(゚ー゚)+ ((o^_^o) - (゚Θ゚))+ (゚Д゚)[゚ε゚]+(o゚ー゚o)+ ((o^_^o) +(o^_^o))+ ((゚ー゚) + (゚ー゚) + (゚Θ゚))+ ((゚ー゚) + (o^_^o))+ (゚Д゚) ['c']+ (゚Д゚)[゚ε゚]+(o゚ー゚o)+ (゚ー゚)+ (゚Д゚) .゚Д゚ノ+ (o^_^o)+ (゚Д゚) .゚Θ゚ノ+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ ((o^_^o) - (゚Θ゚))+ (o^_^o)+ (゚Д゚)[゚ε゚]+(゚Θ゚)+ (c^_^o)+ ((o^_^o) - (゚Θ゚))+ (゚Д゚)[゚ε゚]+(゚ー゚)+ ((o^_^o) - (゚Θ゚))+ (゚Д゚)[゚ε゚]+((゚ー゚) + (゚Θ゚))+ (゚Θ゚)+ (゚Д゚)[゚o゚]) (゚Θ゚)) ('_');
X
x-da#14·9 年前
引用 itellyouucopy到chrome控制台

@itellyouu 我承认我笑了,有木有在线的转换器

I
ideapad460#15·9 年前
引用 itellyouucopy到chrome控制台

@itellyouu 厉害了。

M
mabu233#16·9 年前

针对楼主 @eoo520 的还原代码 https://mabu233.github.io/

@itellyouu 这个也很有意思,看看能不能解

Z
zhaomenghuan#17·9 年前

我曾经翻译过一篇文章: 探秘JavaScript中的六个字符 如"a"字母可以这样得到:

(![]+[])[+!![]] === "a"

其实楼主的那么长的也是这种类似的原理。

V
vanishcode#19·9 年前

确实巧妙利用保留字和函数名称字符串好玩

H
Hanggi#20·9 年前

[ ]是空数组: [ ] ![ ] 是数组的非:false ![ ]+[ ] 是字符串:"false" !![ ] 是false的非:true +!![ ] 是+true: 1 ("false")[1] 是数组第二个元素:"a"

神奇。

E
eoo520#22·9 年前
E
eoo520#24·9 年前
引用 itellyouucopy到chrome控制台

@itellyouu 这种见过,我看过某视频 可以解密的

Y
yuduxyz#25·9 年前
引用 itellyouucopy到chrome控制台

@itellyouu 这种代码的原理是什么呢?

F
falost#26·9 年前

这些都是运算符的

M
mabu233#27·9 年前

@yuduxyz 就是变量名 比较奇特

S
Sirormy#28·9 年前

加密+原理 解密

解密只能是语法正确的加密语句,比如 console.log(1) 转过来的. 像楼主给出的这个 ZEJ4N/0L1aFqOg== 并不是一句正常的 js 浏览器运行正常, nodejs 运行不正常。 原因是因为那个网页里并不是简单base64加密了一个字符串,而是将加密后的代码,浏览器只是将加密代码运行并返回了一个结果。 加密的代码调用了一些 nodejs没有的对象,比如 location,nodejs 运行时环境就会报错。

如果你用 jsfuck 加密 console.log(1) ,并在 nodejs 中运行 eval(' 加密后的字符串 '), 是可以正常运行的。

I
iceluo#29·9 年前

哈哈哈

运行这段代码的意义是什么?

E
eoo520#32·9 年前
引用 eoo520@p2227 防止别人直接匹配出cookie

@eoo520 能具体说一下场景吗?

4
467658159#34·9 年前
引用 itellyouucopy到chrome控制台

@itellyouu 你确定没有骗我,啊哈哈

E
eoo520#35·9 年前
引用 p2227__legacy_56b1661926d02fc6626bb472@eoo520 能具体说一下场景吗?

@p2227 这是一个第三方的防攻击防爬验证,现在不是很多网站都有吗,就是进去主站之前 会有一个cookie生成验证 验证通过后跳回主站 ,不过这个验证只有几分钟有效期 过期后又重新set-cookie 。

S
satrong#36·9 年前

这个就是 JSFuck

D
DevinXian#37·9 年前

JSFuck 无疑,有人拿这个做过面试题的,不允许出现 a-z,让你得到字符 a,原理就和上面差不多了,重点利用类型转换和 [] 取索引

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leeseean#38·9 年前

有什么意义呢?

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