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Info of a process...

 
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UnLmtD
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PostPosted: Sun May 20, 2007 2:16 pm    Post subject: Info of a process... Reply with quote

O well its me again... I'm using this simple code
Code:
#include <windows.h>
#include <tlhelp32.h>
#include <iostream>   
#include <string>

using namespace std;

int main( )
{
    cout<<endl<<"Running Processes"<<endl;
   HANDLE WINAPI CreateToolhelp32Snapshot(
        DWORD dwFlags,       
        DWORD th32ProcessID
    );
   HANDLE hSnapShot=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
   BOOL WINAPI Process32Next(
        HANDLE hSnapshot,
        LPPROCESSENTRY32 lppe
    );
   PROCESSENTRY32* processInfo=new PROCESSENTRY32;
   processInfo->dwSize=sizeof(PROCESSENTRY32);
int index=0;
while(Process32Next(hSnapShot,processInfo)!=FALSE)
{
cout<<endl<<"***********************************************";   
cout<<endl<<"\t\t\t"<<++index;
cout<<endl<<"***********************************************";   
cout<<endl<<"Process ID: "<<processInfo->th32ProcessID;
cout<<endl<<"Name: "<<processInfo->szExeFile;
}
CloseHandle(hSnapShot);
cout<<endl;
cout<<endl<<"***********************************************";
cout<<endl<<endl;

//HANDLE OpenProcess(
//        DWORD dwDesiredAccess,
//  BOOL bInheritHandle,
//  DWORD dwProcessId
//  );
   

int processID;
cout<<"Enter ProcessID to get handle of the process: ";
cin>>processID;
HANDLE hProcess=OpenProcess(PROCESS_ALL_ACCESS,TRUE,processID);
if(hProcess==NULL)
{
    cout<<"Unable to get handle of process: "<<processID;
    cout<<"Error is: "<<GetLastError();
    return 1;
}
cout<<endl<<"Priority Class: "<<GetPriorityClass(hProcess);
SetPriorityClass(hProcess,HIGH_PRIORITY_CLASS);
CloseHandle(hProcess);
cout<<endl<<"Enter Process ID to terminate that process: ";
cin>>processID;
hProcess=OpenProcess(PROCESS_ALL_ACCESS,TRUE,processID);
if(hProcess==NULL)
{
    cout<<"Unable to get handle of process: "<<processID;
    cout<<"Error is: "<<GetLastError();
}
TerminateProcess(hProcess,0);
delete processInfo;
    return 0;
}


To enumerate every process running. So here I have 2 questions:
1- How can I modify the code so it filters the processes and gives me the info on a specific process? In my case it MS... And I know that it hides at the start but if I run it fast I can still get the PID.

2- Heres the interesting part (at least for me) I'm not trying to edit MS memory... all I want is to close it Confused A lot of methods doesn't work: SendMessage, EndTask and more. But TerminateProcess does, I know his because theres this program called Advanced Process Termination and it uses a lot of techniques=> http://www.diamondcs.com.au/index.php?page=process-termination-methods
and 1 of those is TerminateProcess. HERES THE QUESTION, to use TerminateProcess you must have the process handle, to get it you must use OpenProcess but since gameguard wont let you, how come the program is able to do it? They even have a fonction, you only tell the PID and it will terminate! I would like to know how to do this. SO I can finally finish my project.

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Flyte
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PostPosted: Sun May 20, 2007 3:04 pm    Post subject: Reply with quote

1) Function I use. Took it out of my injector.
Code:
DWORD GetProcessID(char* strProcessName)
{
   HANDLE hProcessSnap;
   PROCESSENTRY32 pe32;
   hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
   if(hProcessSnap == INVALID_HANDLE_VALUE)
      return FALSE;
   else
   {   
      pe32.dwSize = sizeof(PROCESSENTRY32);
      if(Process32First(hProcessSnap, &pe32) == 0)
      {
         CloseHandle(hProcessSnap);
         return FALSE;
      }
      else
      {
         do
         {
            if(stricmp(pe32.szExeFile, strProcessName) == 0)
            {
               CloseHandle(hProcessSnap);
               return pe32.th32ProcessID;
            }
         } while(Process32Next(hProcessSnap, &pe32));
      }
   }
   CloseHandle(hProcessSnap);
   return FALSE;
}


2) As for OpenProcess() - Just do it before gameguard has loaded but maplestory.exe is visible in the process list. Save the HANDLE for later.
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UnLmtD
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PostPosted: Sun May 20, 2007 4:18 pm    Post subject: Reply with quote

Flyte, Thanks a lot! But I just can't get it Mad I read your code many times, but I don't get it. Where do I specify what process I'm looking for?

And for the OpenProcess, that's what I thought but when I tried it didn't work, must of messed up somewhere... Going to try again.

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Flyte
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PostPosted: Sun May 20, 2007 4:22 pm    Post subject: Reply with quote

zomgiownyou wrote:
Flyte, Thanks a lot! But I just can't get it Mad I read your code many times, but I don't get it. Where do I specify what process I'm looking for?

And for the OpenProcess, that's what I thought but when I tried it didn't work, must of messed up somewhere... Going to try again.


It is a function. Just give it the pointer to a defined/char string. Or just put the string in it.
Code:
DWORD pID = GetProcessID("MapleStory.exe");
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UnLmtD
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PostPosted: Sun May 20, 2007 4:35 pm    Post subject: Reply with quote

I see well I compiled
Code:

DWORD pID = GetProcessID("MapleStory.exe");
{
   HANDLE hProcessSnap;
   PROCESSENTRY32 pe32;
   hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
   if(hProcessSnap == INVALID_HANDLE_VALUE)
      return FALSE;
   else
   {   
      pe32.dwSize = sizeof(PROCESSENTRY32);
      if(Process32First(hProcessSnap, &pe32) == 0)
      {
         CloseHandle(hProcessSnap);
         return FALSE;
      }
      else
      {
         do
         {
            if(stricmp(pe32.szExeFile, "MapleStory") == 0)
            {
               CloseHandle(hProcessSnap);
               return pe32.th32ProcessID;
            }
         } while(Process32Next(hProcessSnap, &pe32));
      }
   }
   CloseHandle(hProcessSnap);
   return FALSE;
}


And I got "error C2065: 'GetProcessID' : undeclared identifier"

Looked in MSDN and everything seems alright.

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DeltaFlyer
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PostPosted: Sun May 20, 2007 4:51 pm    Post subject: Reply with quote

zomgiownyou wrote:
I see well I compiled

And I got "error C2065: 'GetProcessID' : undeclared identifier"

Looked in MSDN and everything seems alright.


First declare the function, then call it. Ex:
Code:

int inc (int n){
   return n+1;
}
int main (){
   int a = 0;
   a = inc (a);
   return 0;
}

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Last edited by DeltaFlyer on Sun May 20, 2007 4:52 pm; edited 2 times in total
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Flyte
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PostPosted: Sun May 20, 2007 4:51 pm    Post subject: Reply with quote

zomgiownyou wrote:
I see well I compiled
Code:

DWORD pID = GetProcessID("MapleStory.exe");
{
   HANDLE hProcessSnap;
   PROCESSENTRY32 pe32;
   hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
   if(hProcessSnap == INVALID_HANDLE_VALUE)
      return FALSE;
   else
   {   
      pe32.dwSize = sizeof(PROCESSENTRY32);
      if(Process32First(hProcessSnap, &pe32) == 0)
      {
         CloseHandle(hProcessSnap);
         return FALSE;
      }
      else
      {
         do
         {
            if(stricmp(pe32.szExeFile, "MapleStory") == 0)
            {
               CloseHandle(hProcessSnap);
               return pe32.th32ProcessID;
            }
         } while(Process32Next(hProcessSnap, &pe32));
      }
   }
   CloseHandle(hProcessSnap);
   return FALSE;
}


And I got "error C2065: 'GetProcessID' : undeclared identifier"

Looked in MSDN and everything seems alright.


You are using it wrong.

Observe:
Code:
//All includes and whatnot here.

DWORD GetProcessID(char* strProcessName); //Declare the function.

int main(/*crap here*/)
{
    DWORD pID = GetProcessID("MapleStory.exe"); //Call function.
}

DWORD GetProcessID(char* strProcessName)
{
   HANDLE hProcessSnap;
   PROCESSENTRY32 pe32;
   hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
   if(hProcessSnap == INVALID_HANDLE_VALUE)
      return FALSE;
   else
   {   
      pe32.dwSize = sizeof(PROCESSENTRY32);
      if(Process32First(hProcessSnap, &pe32) == 0)
      {
         CloseHandle(hProcessSnap);
         return FALSE;
      }
      else
      {
         do
         {
            if(stricmp(pe32.szExeFile, strProcessName) == 0)
            {
               CloseHandle(hProcessSnap);
               return pe32.th32ProcessID;
            }
         } while(Process32Next(hProcessSnap, &pe32));
      }
   }
   CloseHandle(hProcessSnap);
   return FALSE;
}
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appalsap
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PostPosted: Sun May 20, 2007 5:08 pm    Post subject: Reply with quote

actually you only need one api for this

http://msdn2.microsoft.com/en-us/library/ms683215.aspx
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Flyte
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PostPosted: Sun May 20, 2007 5:13 pm    Post subject: Reply with quote

appalsap wrote:
actually you only need one api for this

http://msdn2.microsoft.com/en-us/library/ms683215.aspx


That is if you use CreateProcess(). For a process that is already running you are better off enumerating them. Since there is almost no way to get the HANDLE of a process without the PID first.
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UnLmtD
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PostPosted: Sun May 20, 2007 6:59 pm    Post subject: Reply with quote

I understand now. Thanks a lot. O yeah, so pID holds the value right
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Flyte
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PostPosted: Sun May 20, 2007 7:25 pm    Post subject: Reply with quote

zomgiownyou wrote:
I understand now. Thanks a lot. O yeah, so pID holds the value right


Yep.
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UnLmtD
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PostPosted: Mon May 21, 2007 12:35 pm    Post subject: Reply with quote

Cool, its works. I have another small question, I wanted to use this SetDlgItemText(Hwnd, IDC_PID, pID );

And its not the first time happening, it gives me "cannot convert parameter 3 from 'unsigned long' to 'const char *'" How do you fix this >=0

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appalsap
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PostPosted: Mon May 21, 2007 12:43 pm    Post subject: Reply with quote

char lol[10];
memset(&lol, 0, sizeof(lol));

itoa(pID, lol, 10);
SetDlgItemText(Hwnd, IDC_PID, lol);
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