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Dungeon Defenders 2 - Packet reversing

Newbie Spellweaver
Joined
Feb 3, 2014
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Hello Ragerz,

i'm currently working on Dungeon Defenders 2 to reverse the network packets and find out more about them. Since it's my first project doing those stuff i just wanted to know if someone can help me with that.

Currently i've developed a winsock hook that is redirecting all the traffic to my proxy and the proxy passing it back to the game and the game send's it to the server. This is working fine, i'm able to sniff the packets fine.

I came to the conclusion that there is some weird behaviour of it, the game itself seems like that it got no encryption on their packages. (since chat messages can be read plain in ascii).

But there is some behaviour of it that the first bytes increment until 255 and then reset to 0 and increasing the second byte by 1. It's like a counter. I cant get any good results parsing the bytes to the right values.

FIrFnkC - Dungeon Defenders 2 - Packet reversing - RaGEZONE Forums


The red section is while moving and the blue section is while the character is standing.


I need some help unterstanding those packets. Maybe a hint would be great. Thank you! :)
 

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