S2S Logger (Send to Server)

#define STS 0x4247818 //SANA

#include <Windows.h>
#include <iostream>
#include <string>
#include <sstream>
#include <fstream>

#pragma warning( disable: 4996 )

using namespace std;
ofstream outfile;

#define dir_log "C:\\STS_LOG.txt" // where ID's get saved.

void logz(const char *fmt, ...) //standard stuffs
{
	outfile.open(dir_log, ios::app);
	va_list va_alist;
	char buffer[512] = {0};
	va_start( va_alist, fmt );
	vsnprintf(buffer+strlen(buffer), sizeof(buffer) - strlen(buffer), fmt, va_alist );
	va_end( va_alist );
	outfile << buffer;
	outfile.close();

	return;
}

void *DetourFunction (BYTE *src, const BYTE *dst, const int len)
{
    BYTE *jmp;
    DWORD dwback;
    DWORD jumpto, newjump;

    VirtualProtect(src,len,PAGE_READWRITE,&dwback);
    
    if(src[0] == 0xE9)
    {
        jmp = (BYTE*)malloc(10);
        jumpto = (*(DWORD*)(src+1))+((DWORD)src)+5;
        newjump = (jumpto-(DWORD)(jmp+5));
        jmp[0] = 0xE9;
       *(DWORD*)(jmp+1) = newjump;
        jmp += 5;
        jmp[0] = 0xE9;
       *(DWORD*)(jmp+1) = (DWORD)(src-jmp);
    }
    else
    {
        jmp = (BYTE*)malloc(5+len);
        memcpy(jmp,src,len);
        jmp += len;
        jmp[0] = 0xE9;
       *(DWORD*)(jmp+1) = (DWORD)(src+len-jmp)-5;
    }
    src[0] = 0xE9;
   *(DWORD*)(src+1) = (DWORD)(dst - src) - 5;

    for(int i = 5; i < len; i++)
        src[i] = 0x90;
    VirtualProtect(src,len,dwback,&dwback);
    return (jmp-len);
}

typedef unsigned int ( *tfnSendToServer)(void *pMsg, unsigned __int32 flags);

tfnSendToServer mfnSendToServer;

DWORD dwCache;

unsigned int hooked_SendToServer(void *pMsg, unsigned __int32 flags){
	__asm pushad;

	log("SendToServer( 0x%02x, 0x%02x );\n{\n", pMsg, flags);
	VirtualProtect(pMsg, 400, 40, &dwCache);
	for(unsigned long ul=0;ul<400;ul++){
		if(!(ul%4)) log("\n");
		log("0x%02x, ", PBYTE(DWORD(pMsg))[ul]);
	}
	VirtualProtect(pMsg, 400, dwCache, 0);

	__asm popad;
	return pfnSendToServer(pMsg, flags);
}

void hookthread(void){

	//while(!GetModuleHandleA("cshell.dll")) Sleep(100);

	pfnSendToServer = tfnSendToServer(DetourFunction( PBYTE(((DWORD *)STS)[0x57]), PBYTE(hooked_SendToServer), 5));

	log("Hooked STS Function; 0x%02x -> 0x%02x\n", STS, hooked_SendToServer);
}

bool __stdcall DllMain( HMODULE hthis, DWORD dwReason, DWORD lpUNK ){

	DisableThreadLibraryCalls(hthis);

	if(dwReason==0x01){
		//CreateThread(0, 0, (LPTHREAD_START_ROUTINE)hookthread, 0, 0, 0);
		hookthread();
	}
	return true;
}