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谈网页游戏外挂之用python模拟游戏(热血三国2)登陆
看web看多了,想写写页游的外挂,其实原理是一样的,就是端口不一样协议字段你不知道,而这也提高了点技术门槛,看我们来一点一点突破这些门槛,这次我们来用python发包模拟flash的客户端登陆。
以热血三国2为例,热血三国2是一款balabalaba自己查去吧的游戏。
step1 : 在sg2.ledu.com注册个账户
略过...
step2 : 登陆游戏,wireshark抓包分析
以双线784服为例,游戏页面地址http://s784.sg2.ledu.com/,现在游戏一般都是联运的,就是我的域名下套着游戏给的iframe,当然请求iframe时会有之间的相互签名的。然后就变成这样了
真正的地址是
而这个地址带来的是我们最终想要的
一个flash地址跟它的参数s
<object type="application/x-shockwave-flash" data="http://cdn.ledu.com/rxsg2/1.13.0.9/swf/Rxsg2Runner.swf?r=1916775188" width="100%" height="100%" id="web_game" style="visibility: visible;">
<param name="flashvars" value="http://www.mamicode.com/g_version=1.13.0.9&g_swf_path=http%3A%2F%2Fcdn.ledu.com%2Frxsg2%2F1.13.0.9&g_res_path=http%3A%2F%2Fcdn.ledu.com%2Frxsg2%2F1.13.0&g_pass_type=ledu&g_pass_port=testfoliet&g_pass_token=2dfdca253759b6986807421362e05e55&g_host=183.60.46.109&g_port=27614&g_pay_url=http%3A%2F%2Fepay.ledu.com%2Findex%2Findex%2Fgid%2F22%2Fsid%2F17614&g_act_url=UNIQUE&g_fcm_url=http%3A%2F%2Fkf.ledu.com%2Ffcm%2F%3Fgameid%3D0%26pid%3Duuyx&g_server_id=17614&">
<param name="allowscriptaccess" value="http://www.mamicode.com/always">
<param name="wmode" value="http://www.mamicode.com/Opaque">
<param name="menu" value="http://www.mamicode.com/false">
<param name="bgcolor" value="http://www.mamicode.com/#000000">
</object>
而第一个参数flashvars包含了通信的变量,我们把它urldecode一下得到,
#g_version 1.13.0.9#g_swf_path#g_res_path#g_pass_type ledu#g_pass_port testfoliet#g_pass_token string(md5) 2DFDCA253759B6986807421362E05E55#g_host 183.60.46.109#g_port 27614#g_pat_url #g_act_url#g_fcm_url#g_server_id 17614
捕获封包
其实就发了俩包,第二个是个持续的连接
第一个
第二个是认证登陆的
从我们能看懂的地方
6c 65 64 75 -> ledu ,
中间是个0a00
下面是74 65 73 74 66 6f 6c 69 65 74 -> testfoliet
2000
38 37 37 35 38 63 33 31 62 65 62 63 35 65 33 65 35 61 38 33 63 6237 35 63 39 36 35 34 66 32 64
这个是我们的32个字符的hash ,
0800
31 2e 31 33 2e 30 2e 39这个是我们的版本1.13.0.9,
2000
61 63 65 32 30 39 63 65 64 66 30 36 35 34 39 33 34 61 63 62 38 62 35 6338 62 32 35 36 32
这个事32位的hash
此时大致的轮廓出来了,每个字符串前面有2个字节是表示字符串的字节数,比如ledu前面是0400,testfoliet (10位)前面是0a00,hash前面是2000.
然后我们再读下解密后的swf文件as代码
package Rxsg2.Common { import Nireus.Base.Service.Socket.*; public class Login { private static var _login_func:Function = null; private static var _code_transfer_loaded:Boolean = false; private static var _mask:String = ""; public static function login(_arg1:Function):void{ var succ_func:* = _arg1; _login_func = succ_func; SocketService.getInstance().registerNotify(ProcDef.USER_NOTIFY_LOGIN, onUserLogin); SocketService.getInstance().callProcRaw(ProcDef.SYSTEM_PROC_LOGIN, function (_arg1:NetData):void{ _arg1.writeInt(GlobalData.server_id); _arg1.writeString(GlobalData.pass_type); _arg1.writeString(GlobalData.pass_port); _arg1.writeString(GlobalData.pass_token); _arg1.writeString(GlobalData.version); _arg1.writeString(Crypto.hash((((GlobalData.pass_port + GlobalData.version) + "8Ij18Hisl1na0Ous2f") + ProcDef.PROC_SIGN))); }); } public static function onUserLogin(_arg1:NetData):void{ var _local2:int = _arg1.readByte(); var _local3 = !((_arg1.readByte() == 0)); var _local4:String = _arg1.readString(); ((_login_func) && (_login_func((_local2 > 0), _local3))); if (_local2 >= 0){ loadProcTransfer(_local4); }; } public static function loadProcTransfer(_arg1:String):void{ onl oadProcTransfer(); } private static function onl oadProcTransfer():void{ _code_transfer_loaded = true; tryEnterGame(); } public static function tryEnterGame():void{ if (((((GlobalData.allow_enter) && (GlobalData.main_loaded))) && (_code_transfer_loaded))){ SocketService.getInstance().callProc(ProcDef.USER_PROC_ENTER_GAME); sendMask(); }; } public static function setMask(_arg1:String):void{ _mask = _arg1; sendMask(); } private static function sendMask():void{ if (GlobalData.login_mask.length > 0){ SocketService.getInstance().sendProc(ProcDef.USER_PROC_SEND_LOGIN_MASK, function (_arg1:NetData):void{ _arg1.writeString(GlobalData.login_mask); }); }; } }}//package Rxsg2.Common
ProcDef.PROC_SIGN 是个常量PROC_SIGN_DEFAULT,其实我们没猜到的就是前面有个serverId
step3 : 用代码模拟封包发包过程
#!/usr/bin/env python#-*- encoding: utf-8 -*-‘‘‘Created on Wed Aug 27 10:13:18 CST 2014@author lietdai@gmail.com‘‘‘#flashvar#g_version 1.13.0.9#g_swf_path#g_res_path#g_pass_type ledu#g_pass_port testfoliet#g_pass_token string(md5) a7e13597be485ec3cd2741335bb81b10#g_host 183.60.46.109#g_port 27617#g_pat_url #g_act_url#g_fcm_url#g_server_id 16431 import osimport sysimport socketimport hashlibimport structimport binasciipassport = "testfoliet"version = "1.13.0.9"hash = ‘b7d6941a8e4fd04ac771f72fad167f10‘serverId = 17614serverIp = ‘183.60.46.109‘serverPort = 27614 #token 加密串的获取def getToken(passport,version): key = "8Ij18Hisl1na0Ous2f" sign = "PROC_SIGN_DEFAULT" return hashlib.md5(passport+version+key+sign).hexdigest() #第一次socket#sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)#server_address = (‘183.60.46.107‘,843)#sock.connect(server_address)#sock.send("<policy-file-request/>.") #print sock.recv(1024)#sck.close #登录socketsock2 = socket.socket(socket.AF_INET,socket.SOCK_STREAM)server_address2 = (serverIp,serverPort)sock2.connect(server_address2)sock2.settimeout(3)# 23d1 = ‘0000000000000000000000000000000000000000000000‘# 114d2 = ‘‘d2 += ‘0100c800‘d2 += ‘00000100‘d2 += ‘00000000‘d2 += ‘00006000‘d2 += ‘0000‘+str(hex(serverId)[4:]+hex(serverId)[2:4])d2 += ‘00000400‘d2 += binascii.hexlify("ledu")d2 += "0"+str(hex(len(passport)))[2:]+"00"d2 += binascii.hexlify(passport)d2 += ‘2000‘d2 += binascii.hexlify(hash)d2 += ‘0800‘d2 += binascii.hexlify(version)d2 += ‘2000‘d2 += binascii.hexlify(getToken(passport,version)) sock2.send(binascii.unhexlify(d1))sock2.send(binascii.unhexlify(d2))res = ""try: while True: buffer = sock2.recv(1460) if not buffer: break res += bufferexcept: passprint ressock2.close
打印出来的东西
一个socket连接hash只能被使用一次,所以每次测需要换hash当然你也可以结合我前面的 PYTHON 模拟web登录带着你的leducookie请求 游戏页面,动态解析 HTML获取HASH_TOKEN这样你就不用每次都换hash了。
谈网页游戏外挂之用python模拟游戏(热血三国2)登陆