Lianzhong upgrade agreement analysis continuation (2)
Cloud Network (Jimzj@21cn.com)
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After receiving a completed package, you can go to the nature of the protocol (because the association of the association is not encrypted, so you don't have to do this again here, huh, huh J, you can just relax your mind) . If you receive a completed game data with CommView or other tools, you will find such a data process:
1, 0x0000 00 02 00 80 C8 00 00 00-01 00 00 04 00 02 00 ... €? ..........
2, 0x0050 17 20 00 00 04 00 00 00 00 00 00 00 00 00. ........... ..
3, 0x0000 11 20 00 00 18 00 00 00 00 E0 00 01 00 00 00. ........? ...
4, 0x0000 03 20 00 00 00 00 00 00 00. ........
Next is a bunch of data as follows
5, 0x0000 0D 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00]. ..8 ...........
Finally there is such an order
6, 0x0100 15 20 00 00 08 01 00 00-08 00 00 00 02 65 67 65. ........... ege
If we still remember the order of play cards when upgraded: login, licensing, name, start, play card, end, then touch with the above instruction, huh, now you will understand these instructions, because these orders It will appear every time, so as long as the data of the whole process of receiving several playing cards can be analyzed. (Different colors identified above, the previous part is the command word, the latter part is the length of the package, this point is in the previous article)
.......to be continued
It is limited by my own level. If you have any mistakes, please point out, learn, discuss, my contact email address is: jimzj@21cn.com.
