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Add "Heroes of the Storm" video game signature detection. (#1949)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * hots.c | ||
| * | ||
| * Copyright (C) 2023 - ntop.org | ||
| * | ||
| * This file is part of nDPI, an open source deep packet inspection | ||
| * library based on the OpenDPI and PACE technology by ipoque GmbH | ||
| * | ||
| * nDPI is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * nDPI is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with nDPI. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
|
||
| #include "ndpi_protocol_ids.h" | ||
|
|
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| #define NDPI_CURRENT_PROTO NDPI_PROTOCOL_HOTS | ||
|
|
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| #include "ndpi_api.h" | ||
|
|
||
| static void ndpi_hots_add_connection(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) | ||
| { | ||
| ndpi_set_detected_protocol(ndpi_struct, flow, NDPI_PROTOCOL_HOTS, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); | ||
| NDPI_LOG_INFO(ndpi_struct, "found Heroes of the Storm packet\n"); | ||
| } | ||
|
|
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| void ndpi_search_hots(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) | ||
| { | ||
| struct ndpi_packet_struct *packet = &ndpi_struct->packet; | ||
|
|
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| NDPI_LOG_DBG(ndpi_struct, "search Heroes of the Storm\n"); | ||
|
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| int ports[4] = {1119, 1120, 3724, 6113}; | ||
| for (int i = 0; i < 4; i++) { | ||
| if (packet->udp->dest == ntohs(ports[i]) || packet->udp->source == ntohs(ports[i])) { | ||
| if (packet->payload_packet_len >= 20 && packet->payload_packet_len <= 122) { | ||
| if (packet->payload[14] == 0x40 && packet->payload[15] == 0x00) { | ||
| if ((packet->payload[2] == 0x03 && packet->payload[3] == 0x00) || | ||
| (packet->payload[2] == 0x34 && packet->payload[3] == 0x00) || | ||
| (packet->payload[0] == 0x00 && packet->payload[1] == 0x00 && packet->payload[2] == 0x00 && | ||
| packet->payload[3] == 0x00 && packet->payload[4] == 0x00 && packet->payload[5] == 0x00 && | ||
| packet->payload[6] == 0x00 && packet->payload[7] == 0x00 && packet->payload[8] == 0x00 && | ||
| packet->payload[9] == 0x00 && packet->payload[10] == 0x00 && packet->payload[11] == 0x00 && | ||
| packet->payload[12] == 0x00 && packet->payload[13] == 0x00)) { | ||
| ndpi_hots_add_connection(ndpi_struct, flow); | ||
| return; | ||
| } | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| NDPI_EXCLUDE_PROTO(ndpi_struct, flow); | ||
| } | ||
|
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|
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| void init_hots_dissector(struct ndpi_detection_module_struct *ndpi_struct, u_int32_t *id) | ||
| { | ||
| ndpi_set_bitmask_protocol_detection("HOTS", ndpi_struct, *id, | ||
| NDPI_PROTOCOL_HOTS, | ||
| ndpi_search_hots, | ||
| NDPI_SELECTION_BITMASK_PROTOCOL_UDP_WITH_PAYLOAD, /* Only IPv4 UDP traffic is expected. */ | ||
| SAVE_DETECTION_BITMASK_AS_UNKNOWN, | ||
| ADD_TO_DETECTION_BITMASK); | ||
| *id += 1; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| Guessed flow protos: 0 | ||
|
|
||
| DPI Packets (UDP): 3 (1.00 pkts/flow) | ||
| Confidence DPI : 3 (flows) | ||
| Num dissector calls: 330 (110.00 diss/flow) | ||
| LRU cache ookla: 0/0/0 (insert/search/found) | ||
| LRU cache bittorrent: 0/0/0 (insert/search/found) | ||
| LRU cache zoom: 0/0/0 (insert/search/found) | ||
| LRU cache stun: 0/0/0 (insert/search/found) | ||
| LRU cache tls_cert: 0/0/0 (insert/search/found) | ||
| LRU cache mining: 0/0/0 (insert/search/found) | ||
| LRU cache msteams: 0/0/0 (insert/search/found) | ||
| LRU cache stun_zoom: 0/0/0 (insert/search/found) | ||
| Automa host: 0/0 (search/found) | ||
| Automa domain: 0/0 (search/found) | ||
| Automa tls cert: 0/0 (search/found) | ||
| Automa risk mask: 0/0 (search/found) | ||
| Automa common alpns: 0/0 (search/found) | ||
| Patricia risk mask: 6/0 (search/found) | ||
| Patricia risk: 0/0 (search/found) | ||
| Patricia protocols: 5/3 (search/found) | ||
|
|
||
| Heroes_of_the_Storm 100 10145 3 | ||
|
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||
| 1 UDP 24.105.57.16:3724 -> 192.168.0.73:50609 [proto: 336/Heroes_of_the_Storm][IP: 213/Starcraft][ClearText][Confidence: DPI][DPI packets: 1][cat: Game/8][40 pkts/4753 bytes -> 0 pkts/0 bytes][Goodput ratio: 65/0][1.26 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 1/0 32/0 62/0 18/0][Pkt Len c2s/s2c min/avg/max/stddev: 62/0 119/0 164/0 34/0][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 22,0,47,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] | ||
| 2 UDP 24.105.57.183:1119 -> 192.168.0.73:50609 [proto: 336/Heroes_of_the_Storm][IP: 213/Starcraft][ClearText][Confidence: DPI][DPI packets: 1][cat: Game/8][25 pkts/2978 bytes -> 0 pkts/0 bytes][Goodput ratio: 65/0][0.94 sec][bytes ratio: 1.000 (Upload)][IAT c2s/s2c min/avg/max/stddev: 6/0 38/0 63/0 22/0][Pkt Len c2s/s2c min/avg/max/stddev: 62/0 119/0 158/0 21/0][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No server to client traffic][Plen Bins: 4,24,40,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] | ||
| 3 UDP 192.168.0.73:54598 <-> 24.105.56.13:3724 [proto: 336/Heroes_of_the_Storm][IP: 213/Starcraft][ClearText][Confidence: DPI][DPI packets: 1][cat: Game/8][14 pkts/908 bytes <-> 21 pkts/1506 bytes][Goodput ratio: 35/41][92.43 sec][bytes ratio: -0.248 (Download)][IAT c2s/s2c min/avg/max/stddev: 3/17 42/51 66/63 22/16][Pkt Len c2s/s2c min/avg/max/stddev: 62/62 65/72 66/74 2/5][Plen Bins: 51,48,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] |
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