Dll注入示例

2009-11-8 10:43 976 0

摘要: #include <iostream>#include <windows.h> using namespace::std; int Inject(HWND hwnd, ch...

关键词： nbsp hProcess mem name return CloseHandle NULL strlen HWND RESERVE

#include <iostream>#include <windows.h> using namespace::std; int Inject(HWND hwnd, char *name); int main(){ char dll[]="c:/tt.dll";//change the name to your dll HWND hw=0; hw = FindWindow("Notepad",NULL);//change the "Notepad" to your window name if(!hw) { cout<<"Unable find window"<<endl; return 0; } if(Inject(hw,dll)) { cout<<"DLL has injected into the process successfully"<<endl; } else { cout<<"Couldn't inject DLL into process"<<endl; } return 0;} int Inject(HWND hwnd,char *name){ DWORD Pid; HANDLE hProcess,hThread; DWORD BytesWritten; LPVOID mem; GetWindowThreadProcessId(hwnd, &Pid); hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, Pid); if(!hProcess) return 0; mem = VirtualAllocEx(hProcess, NULL, strlen(name), MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); if(mem==NULL) {CloseHandle(hProcess);return 0; } if(WriteProcessMemory(hProcess, mem, (LPVOID)name, strlen(name), &BytesWritten)) { hThread = CreateRemoteThread(hProcess, NULL, 0, (LPTHREAD_START_ROUTINE)GetProcAddress(GetModuleHandle("KERNEL32.DLL"), "LoadLibraryA"), mem, 0, NULL); if(!hThread) { VirtualFreeEx(hProcess,NULL,strlen(name),MEM_RESERVE|MEM_COMMIT);CloseHandle(hProcess); return 0; } VirtualFreeEx(hProcess,NULL,strlen(name),MEM_RESERVE|MEM_COMMIT); CloseHandle(hThread); CloseHandle(hProcess); return 1; } VirtualFreeEx(hProcess,NULL,strlen(name),MEM_RESERVE|MEM_COMMIT); CloseHandle(hProcess); return 0;}

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