将一个正在运行的DLL强制的剔除程序。
权限提升
#include <Windows.h>
#include <stdio.h>
BOOL SetPrivilege(LPCTSTR lpszPrivilege, BOOL bEnablePrivilege)
{
TOKEN_PRIVILEGES tp;
HANDLE hToken;
LUID luid;
OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
LookupPrivilegeValue(NULL, lpszPrivilege, &luid);
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = luid;
if (bEnablePrivilege)
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
else
tp.Privileges[0].Attributes = 0;
AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), (PTOKEN_PRIVILEGES)NULL, (PDWORD)NULL);
if (GetLastError() == ERROR_NOT_ALL_ASSIGNED)
return FALSE;
else
return TRUE;
}
int main()
{
SetPrivilege(SE_DEBUG_NAME, TRUE);
return 0;
}
强制卸载DLL
#include <Windows.h>
#include <stdio.h>
#include <TlHelp32.h>
BOOL EnjectDll(DWORD dwPID, LPCTSTR szDllName)
{
BOOL bMore = FALSE, bFound = FALSE;
HANDLE hSnapshot, hProcess, hThread;
HMODULE hModule = NULL;
MODULEENTRY32 me = { sizeof(me) };
LPTHREAD_START_ROUTINE pThreadProc;
hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, dwPID);
bMore = Module32First(hSnapshot, &me);
for (; bMore; bMore = Module32Next(hSnapshot, &me))
{
/*
if (!_tcsicmp((LPCTSTR)me.szModule, szDllName) || !_tcsicmp((LPCTSTR)me.szExePath, szDllName))
{
bFound = TRUE;
break;
}
*/
}
if (!(hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, dwPID)))
return FALSE;
hModule = GetModuleHandle(L"kernel32.dll");
pThreadProc = (LPTHREAD_START_ROUTINE)GetProcAddress(hModule, "FreeLibrary");
hThread = CreateRemoteThread(hProcess, NULL, 0, pThreadProc, me.modBaseAddr, 0, NULL);
WaitForSingleObject(hThread, INFINITE);
CloseHandle(hThread);
CloseHandle(hProcess);
CloseHandle(hSnapshot);
return TRUE;
}
int main(int argc, char *argv[])
{
EnjectDll(2568, L"hook.dll");
return 0;
}
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