forked from ReScrap/ScrapHacks
Remove Injector
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1804541acd
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37c64ea9ce
2 changed files with 0 additions and 172 deletions
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add_executable(Injector main.cpp)
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target_compile_features(Injector PUBLIC cxx_std_11)
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install(TARGETS Injector DESTINATION bin)
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@ -1,169 +0,0 @@
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#include <iostream>
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#include <windows.h>
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#include <TlHelp32.h>
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#include <string>
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#include <fstream>
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#include <algorithm>
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#include <vector>
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#include <string.h>
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#define DLL_NAME "ScrapHack.dll"
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using namespace std;
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string GetLastErrorAsString()
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{
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DWORD errorMessageID = GetLastError();
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if (errorMessageID == 0)
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return "No error";
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LPSTR messageBuffer = NULL;
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size_t m_size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL, errorMessageID, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&messageBuffer, 0, NULL);
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string message(messageBuffer, m_size);
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LocalFree(messageBuffer);
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if (!message.empty() && message[message.length() - 1] == '\n')
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{
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message.erase(message.length() - 1);
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}
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return message;
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}
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void fail(char *msg)
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{
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cerr << "[!] " << msg << ": " << GetLastErrorAsString() << endl;
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exit(1);
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}
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bool fexists(const char *filename)
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{
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ifstream ifile(filename);
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bool ret = ifile.good();
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ifile.close();
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return ret;
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}
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bool HasModule(int PID, const char *modname)
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{
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HANDLE hModuleSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, PID);
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MODULEENTRY32 me;
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me.dwSize = sizeof(MODULEENTRY32);
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if (hModuleSnap == INVALID_HANDLE_VALUE)
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{
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return false;
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}
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if (!Module32First(hModuleSnap, &me))
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{
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CloseHandle(hModuleSnap);
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cout << "Error reading Module Snapshot" << endl;
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}
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else
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{
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do
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{
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if (strstr((const char *)me.szModule, modname) != NULL)
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return true;
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} while (Module32Next(hModuleSnap, &me));
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CloseHandle(hModuleSnap);
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}
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return false;
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}
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bool adjustPrivs(HANDLE hProc)
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{
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HANDLE hToken;
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LUID luid;
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TOKEN_PRIVILEGES tkprivs;
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if (!OpenProcessToken(hProc, (TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY), &hToken))
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{
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fail("Could not open process token:");
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}
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if (!LookupPrivilegeValue(0, SE_DEBUG_NAME, &luid))
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{
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CloseHandle(hToken);
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fail("Error looking up privilege value for SE_DEBUG_NAME");
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}
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tkprivs.PrivilegeCount = 1;
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tkprivs.Privileges[0].Luid = luid;
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tkprivs.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
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bool bRet = AdjustTokenPrivileges(hToken, 0, &tkprivs, sizeof(tkprivs), NULL, NULL);
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CloseHandle(hToken);
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if (!bRet)
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{
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fail("Could not adjust privileges");
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}
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return bRet;
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}
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bool Injected(DWORD PID)
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{
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return HasModule(PID, DLL_NAME);
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}
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void InjectDll(DWORD PID)
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{
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HANDLE hRemThread, hProc;
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const char *dll_name = DLL_NAME;
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char dll_full_path[MAX_PATH];
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char executable_dir[MAX_PATH];
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GetModuleFileNameA(NULL, executable_dir, MAX_PATH);
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if (!fexists(dll_name))
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{
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fail("DLL not found");
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return;
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}
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cout << "[*] Injecting DLL " << dll_name << " into PID " << PID << endl;
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cout << "[*] Opening process handle" << endl;
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hProc = OpenProcess(PROCESS_ALL_ACCESS, 0, PID);
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GetFullPathNameA(dll_name, MAX_PATH, dll_full_path, 0);
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cout << "[*] Adjusting privileges of process" << endl;
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adjustPrivs(hProc);
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if (HasModule(PID, dll_name))
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{
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cout << "[*] DLL already loaded" << endl;
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CloseHandle(hProc);
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return;
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};
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if (!fexists(dll_full_path))
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{
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CloseHandle(hProc);
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fail("DLL file not found");
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}
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HINSTANCE hK32 = LoadLibraryA("kernel32");
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cout << "[*] Getting address of LoadLibrary" << endl;
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LPVOID LoadLibrary_Address = (LPVOID)GetProcAddress(hK32, "LoadLibraryA");
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FreeLibrary(hK32);
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cout << "[+] LoadLibrary is at " << LoadLibrary_Address << endl;
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cout << "[*] Allocating " << strlen(dll_full_path) << " Bytes of Memory" << endl;
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LPVOID mem = VirtualAllocEx(hProc, NULL, strlen(dll_full_path), MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
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if (mem == NULL)
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{
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fail("Could not allocate memory");
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return;
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}
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cout << "[*] Writing DLL Name to Process Memory at " << mem << endl;
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WriteProcessMemory(hProc, mem, dll_full_path, strlen(dll_full_path), 0);
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cout << "[*] Creating Thread to Load DLL" << endl;
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hRemThread = CreateRemoteThread(hProc, 0, 0, (LPTHREAD_START_ROUTINE)LoadLibrary_Address, mem, 0, 0);
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cout << "[*] Waiting for DLL to load" << endl;
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WaitForSingleObject(hRemThread, INFINITE);
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CloseHandle(hRemThread);
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cout << "[*] Closing Process Handle" << endl;
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CloseHandle(hProc);
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return;
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}
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int main(int argc, char *argv[])
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{
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DWORD PID = 0;
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HWND ScrapWin=FindWindow("ScrapClass",NULL);
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if (!ScrapWin) {
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cerr<<"Error: Scrapland window not found!"<<endl;
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exit(1);
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}
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GetWindowThreadProcessId(ScrapWin,&PID);
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if (PID) {
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InjectDll(PID);
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} else {
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fail("Error getting PID");
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}
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}
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