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[求助]据说这个算法很简单,求教!3Q...求跟进
2013-11-16 23:43 6723

[求助]据说这个算法很简单,求教!3Q...求跟进

2013-11-16 23:43
6723
不会发图+++ 下面是16进制!

最下面有附件,里面有加密文件和不加密文件!

部分文件16进制在这!完整的请帮忙看附件!共7960字节!

加密后的文件:
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
原始的不加密的文件:
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

附件在这里: 文件.rar

[培训]《安卓高级研修班(网课)》月薪三万计划,掌握调试、分析还原ollvm、vmp的方法,定制art虚拟机自动化脱壳的方法

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最新回复 (5)
雪    币: 89
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swlilike 2013-11-16 23:46
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懂了吧
上传的附件:
  • 1.png (14.74kb,59次下载)
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破小孩 2013-11-16 23:54
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没懂....555555555,刚才字节集没发对,
我也看出来是这个规律了!具体是什么算法?异或?没成功!
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破小孩 2013-11-16 23:55
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[QUOTE=swlilike;1240053]

懂了吧[/QUOTE]

没看懂....异或?没成功! 555555555,刚才字节集没发全,
我也看出来是这个规律了!具体是什么算法?
雪    币: 89
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swlilike 2013-11-17 00:12
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不是单纯异或。  好像有累加操作。 根据那排全是0的做对比,

4E962767B365C777957DA28D38F4FFCA4A66713D0A2AA24187DF52AB2019CAB2239FBA68

36 字节的循环, 中间有累加。
雪    币: 39
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破小孩 2013-11-17 00:42
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不是很懂...还是谢谢,希望跟进 具体!我也弄一下!!!
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