mirror of
https://github.com/rvrsh3ll/BOF_Collection
synced 2026-06-08 17:17:56 +00:00
rvrsh3ll
103 lines
3.2 KiB
C
103 lines
3.2 KiB
C
#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <winbase.h>
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "beacon.h"
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DECLSPEC_IMPORT INT WINAPI Ws2_32$WSAGetLastError();
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DECLSPEC_IMPORT INT WSAAPI Ws2_32$getaddrinfo(PCSTR,PCSTR, const ADDRINFOA*, PADDRINFOA*);
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DECLSPEC_IMPORT SOCKET WSAAPI Ws2_32$socket(INT,INT,INT);
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DECLSPEC_IMPORT INT WSAAPI Ws2_32$connect(SOCKET, const SOCKADDR*, INT);
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DECLSPEC_IMPORT INT WINAPI Ws2_32$closesocket();
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DECLSPEC_IMPORT VOID WSAAPI Ws2_32$freeaddrinfo(PADDRINFOA);
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DECLSPEC_IMPORT INT KERNEL32$RtlZeroMemory(void *data, size_t size);
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DECLSPEC_IMPORT INT WSAAPI Ws2_32$WSACleanup();
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DECLSPEC_IMPORT INT WSAAPI Ws2_32$WSAStartup(WORD,LPWSADATA);
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DECLSPEC_IMPORT INT WSAAPI Ws2_32$closesocket(IN SOCKET);
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void go(char * buff, int len)
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{
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datap parser;
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char * target;
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char * port;
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BeaconDataParse(&parser, buff, len);
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target = BeaconDataExtract(&parser, NULL);
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port = BeaconDataExtract(&parser, NULL);
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WSADATA wsaData;
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SOCKET ConnectSocket = INVALID_SOCKET;
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struct addrinfo *result = NULL,
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*ptr = NULL,
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hints;
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int iResult;
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// Initialize Winsock
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iResult = Ws2_32$WSAStartup(MAKEWORD(2,2), &wsaData);
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if (iResult != 0) {
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BeaconPrintf(CALLBACK_OUTPUT,"WSAStartup failed with error: %d\n", iResult);
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}
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KERNEL32$RtlZeroMemory( &hints, sizeof(hints) );
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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//
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// Resolve the server address and port
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iResult = Ws2_32$getaddrinfo(target, port, &hints, &result);
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if ( iResult != 0 ) {
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BeaconPrintf(CALLBACK_OUTPUT,"getaddrinfo failed with error: %d\n", iResult);
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Ws2_32$WSACleanup();
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}
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// Attempt to connect to an address until one succeeds
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for(ptr=result; ptr != NULL ;ptr=ptr->ai_next) {
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// Create a SOCKET for connecting to server
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ConnectSocket = Ws2_32$socket(ptr->ai_family, ptr->ai_socktype,
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ptr->ai_protocol);
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if (ConnectSocket == INVALID_SOCKET) {
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BeaconPrintf(CALLBACK_OUTPUT,"socket failed with error: %ld\n", Ws2_32$WSAGetLastError());
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Ws2_32$WSACleanup();
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}
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// Connect to server.
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iResult = Ws2_32$connect( ConnectSocket, ptr->ai_addr, (int)ptr->ai_addrlen);
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if (iResult == SOCKET_ERROR) {
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Ws2_32$closesocket(ConnectSocket);
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ConnectSocket = INVALID_SOCKET;
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continue;
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}
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break;
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}
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Ws2_32$freeaddrinfo(result);
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if (ConnectSocket == INVALID_SOCKET) {
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BeaconPrintf(CALLBACK_OUTPUT,"Port %s not open on %s\n", port, target);
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Ws2_32$WSACleanup();
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}else {
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BeaconPrintf(CALLBACK_OUTPUT, "Port %s open on %s\n", port, target);
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}
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// cleanup
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Ws2_32$closesocket(ConnectSocket);
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Ws2_32$WSACleanup();
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} |