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Thread: No Xtrap Client

  1. #1
    gm3x
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    No Xtrap Client

    Hi pals, Came here today to share a AIKABR executable running stable with no xtrap functions, u can use it for any purposes, on the most times, it lets you 5~10 minutes online before dc you, can be use for packet analyzing and decryption, as game analyzing, cheat engine memory edition, and many other purposes, this is for studies purposes, if u wanna play it with hacks, must emulate xtrap packets....

    Again, thanks to pdepker for the great help with this...

    The link contain:

    -AIKABR No Xtrap (19/09)
    -rPE Packet Editor
    -WPE Pro Packet analyzer
    -Cheat Engine 6.1

    All tools to start searching some funny things, if u wanna decrypt packets, u must analyze them and make your own algorithm or use Ollydbg to find the EDXs and other changers, below is some more about decryption,a very good article... ^^


    PHP Code:
    #ifndef _INFINITY_TALE_CRYPT_
    #define _INFINITY_TALE_CRYPT_
    #include <string.h>

    int laEncrypt(chardataint length)
    {
    int size length;

    data[4] ^= 0x76;
    for(
    int i 5sizei++)
    data[i] ^= data[i-1];
    return 
    1;
    }

    int laDecrypt(chardataint length)
    {
    int size length;
    char k data[4];
    char j 0;

    data[4] ^= 0x76;
    for(
    int i 5sizei++)
    {
    data[i];
    data[i] ^= k;
    j;
    }
    return 
    1;
    }

    #endif 
    by SaiMs


    a) Let's take a look at a sample header and decrypt it.


    char crypt[] = {0x0A, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x01};

    or simply
    [ INT32 ][ CHAR8 ] [Char[]]
    [ HEADER ][PACKET ID] [DATA]
    0A 00 00 00 64 00 00 00 00 01 (HEX)

    0x0A is the LENGTH of the packet and is not needed in the decryption process.
    This is an INT, little-endian and uses the first 4 bytes to find how long the TOTAL length is.

    0x0A = 10 in decimal, the length of this packet is indeed 10.

    ENF NOTE: Packet headers are NOT encrypted.

    1.b) Let's step through the encryption.



    PHP Code:
    data[4] ^= 0x76
    We skip to the packet id, and xor it with 0x76(magic #).

    This reveals the packet ID, so in this case:

    64 XOR 0x76 = 12 You can use a sci calculator if you want, these are accurate results as I have checked them with Bravo's posts. (I assume he used traitor's sniffer or w.e, I'll be releasing my own soon with a GUI)

    After the header, we have a for loop:



    PHP Code:
    data[i] ^= data[i-1]; 
    It starts at 5, as we are finished with the header and the packet id.

    This is just some xor swap logic.

    Grab the first byte,


    PHP Code:
    data[i]; 

    xor it with k, which is packet id(init)


    PHP Code:
    data[i] ^= k
    make new k value, the data we just produced



    PHP Code:
    j

    repeat for entire routine and we produce:
    Quote:
    12 64 00 00 00 01
    tada.

    Reverse for encrypt.

    by SaiMs (other forum)

    This simple example and code was made on C, more about C language at:

    C programming.com - Your Resource for C and C++ Programming

    About Cheat Engine, you can use Speedhack just for fun, or to make somegood things like grind plants and back to char selection after grind one or two, to dont get dc, so login again^^, or run faster, movement speed on AIKA haves server side, but u can try skip by pressing right mouse button and moving camera from a side to other
    Cheat Engine can change memoryadresses of the client, memory values and everything too...

    Read more here:

    https://progamercity.net/aika/1713-i...ss-aikabr.html

    On Olly debug, u can launch it attached to debugger just opening it and running by F9 key, and use Olly dbg functions ...




    Finally, here is the link to all tools:

    http://www.mediafire.com/?nzw7s6np5q7x6q6

    for the client, just make a second installation of the game, update any file, and after, change the game original client, for the client on the file above, don't open the launcher execute directly the AIKABR.exe ...


    Enjoy, before they patch it , Xtrap staff always looking for things like this to patch ^^'

    Thanks to pdepker for the help...

    Maybe now u can take ThisIsSPARTAA down alone hahaha

    Thanks if u like


    LINK UPDATED, SORRY FOR THE PROBLEM...
    Last edited by gm3x; 2011-09-23 at 08:16 PM.

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  3. #2
    mottapesbr
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    man, the folder of aika br no xtrap is empty.
    Last edited by mottapesbr; 2011-09-22 at 10:49 PM.

  4. #3
    rhu10
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    Hey thanks GM3X, you're great.
    I downloaded the Analyzing tools.rar, but the folder "Aika BR no xtrap" is empty. Is it a mistake?

  5. #4
    gm3x
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    Link Fixed, now executable is on main folder...

    Thanks and sorry for the error...
    Last edited by gm3x; 2011-09-22 at 11:05 PM.

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  7. #5
    dellaris
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    Now it's possible use speed hack? or edit some itens, like reinforce to ~+11

  8. #6
    mottapesbr
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    tx's now working.

  9. #7
    gm3x
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    I'm thinking about support the no Xtrap clients at every update, or release a way to get it off, but, maybe it patches to different way to disable...

    ---------- Post added at 10:44 PM ---------- Previous post was at 10:33 PM ----------

    Quote Originally Posted by dellaris View Post
    Now it's possible use speed hack? or edit some itens, like reinforce to ~+11
    Cannot edit what is server sided, the only way is to find bug, so, I've put here this to the people of community can search for bugs, decryption and that all, must share knowledge to get to something, maybe fresh heads can find something nice ^^'

    About reinforcement, already saw a guy use it, but its toooooooooo dificult to get it working....



    Added:


    Only to remember, decrypt tips on this topic is not about Aika, but is only to know how encryption should work...
    Last edited by gm3x; 2011-09-23 at 01:13 AM.

  10. #8
    ragazzi05
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    Great tutorial, we'll see what we can create now!
    Last edited by ragazzi05; 2011-09-23 at 03:10 AM.

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  12. #9
    EdgarValensi
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    Hey bro work only in Aika BR? or in GB too? thx and good job ^^

  13. #10
    ragazzi05
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    Quote Originally Posted by EdgarValensi View Post
    Hey bro work only in Aika BR? or in GB too? thx and good job ^^
    Tutorial has been tested in AikaBR.

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