Ys II (*.ys2)

Extraction and unpacking of game archives and compression, encryption, obfuscation, decoding of unknown files
sigroon365
Posts: 330
Joined: Fri Nov 21, 2014 4:03 am

Ys II (*.ys2)

Post by sigroon365 »

It seems that this file is encrypted.
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aluigi
Site Admin
Posts: 12984
Joined: Wed Jul 30, 2014 9:32 pm

Re: Ys II (*.ys2)

Post by aluigi »

Apparently compressed (32bit size, 32bit zsize, data) but no results from my compressions scanner.
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makc_ar
Posts: 1193
Joined: Sun Aug 17, 2014 7:27 pm

Re: Ys II (*.ys2)

Post by makc_ar »

Interested too.
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sigroon365
Posts: 330
Joined: Fri Nov 21, 2014 4:03 am

Re: Ys II (*.ys2)

Post by sigroon365 »

aluigi wrote:Apparently compressed (32bit size, 32bit zsize, data) but no results from my compressions scanner.


Is it compressed? :o Well.. apparently 7F BF 08 00 is SIZE from 0x08 to 0x8BF87.
But please take a look at this dumped file. 0x23C814007FBF0800 at 0x00 is same.
But it is decrypted on memory. I don't think it is compressed one.
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aluigi
Site Admin
Posts: 12984
Joined: Wed Jul 30, 2014 9:32 pm

Re: Ys II (*.ys2)

Post by aluigi »

In that case it's encryption and not compression.
False positive :D
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sigroon365
Posts: 330
Joined: Fri Nov 21, 2014 4:03 am

Re: Ys II (*.ys2)

Post by sigroon365 »

aluigi wrote:In that case it's encryption and not compression.
False positive :D


Is there any way to find key? :)
Image
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sigroon365
Posts: 330
Joined: Fri Nov 21, 2014 4:03 am

Re: Ys II (*.ys2)

Post by sigroon365 »

I want to learn decryption method but it seems that there'n no guide for decryption.
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