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Added Psiphon detection patterns. See #566 and #1099. (#1631)
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* The traces are not up to date, but this is the best we got so far.

Signed-off-by: Toni Uhlig <[email protected]>
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@utoni
utoni committed Jul 4, 2022
1 parent 192a322 commit 75f7da5
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Showing 5 changed files with 19 additions and 2 deletions.
1 change: 1 addition & 0 deletions src/include/ndpi_protocol_ids.h
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Expand Up @@ -331,6 +331,7 @@ typedef enum {
NDPI_PROTOCOL_CLOUDFLARE_WARP = 300,
NDPI_PROTOCOL_I3D = 301, /* i3d.net: Game Hosting service */
NDPI_PROTOCOL_RIOTGAMES = 302,
NDPI_PROTOCOL_PSIPHON = 303,

#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_protocol_ids.h"
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3 changes: 3 additions & 0 deletions src/lib/ndpi_content_match.c.inc
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Expand Up @@ -1697,6 +1697,9 @@ static ndpi_protocol_match host_match[] =
{ "ocsp.sectigo.com", "OCSP", NDPI_PROTOCOL_OCSP, NDPI_PROTOCOL_CATEGORY_NETWORK, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_DEFAULT_LEVEL },
{ "ocsp.quovadisglobal.com", "OCSP", NDPI_PROTOCOL_OCSP, NDPI_PROTOCOL_CATEGORY_NETWORK, NDPI_PROTOCOL_SAFE, NDPI_PROTOCOL_DEFAULT_LEVEL },

{ "psiphon3.net", "Psiphon", NDPI_PROTOCOL_PSIPHON, NDPI_PROTOCOL_CATEGORY_VPN, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DEFAULT_LEVEL },
{ ".psiphon3.net", "Psiphon", NDPI_PROTOCOL_PSIPHON, NDPI_PROTOCOL_CATEGORY_VPN, NDPI_PROTOCOL_ACCEPTABLE, NDPI_PROTOCOL_DEFAULT_LEVEL },

#ifdef CUSTOM_NDPI_PROTOCOLS
#include "../../../nDPI-custom/custom_ndpi_content_match_host_match.c.inc"
#endif
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Binary file added tests/pcap/psiphon3.pcap
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13 changes: 13 additions & 0 deletions tests/result/psiphon3.pcap.out
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@@ -0,0 +1,13 @@
Guessed flow protos: 0

DPI Packets (TCP): 12 (12.00 pkts/flow)
Confidence DPI : 1 (flows)

Psiphon 62 11818 1

JA3 Host Stats:
IP Address # JA3C
1 192.168.0.103 1


1 TCP 192.168.0.103:40557 <-> 104.18.151.190:443 [proto: 91.301/TLS.Psiphon][Encrypted][Confidence: DPI][cat: VPN/2][32 pkts/5020 bytes <-> 30 pkts/6798 bytes][Goodput ratio: 74/82][0.72 sec][ALPN: h2;http/1.1][bytes ratio: -0.150 (Mixed)][IAT c2s/s2c min/avg/max/stddev: 0/0 24/4 501/41 98/9][Pkt Len c2s/s2c min/avg/max/stddev: 40/40 157/227 1048/1500 249/417][Risk: ** Missing SNI TLS Extn **][Risk Score: 50][Risk Info: No client to server traffic][TLSv1.2][JA3C: 2d703033628575a99d44820c43b84876][ServerNames: sni.cloudflaressl.com,psiphon3.net,*.psiphon3.net][JA3S: eca9b8f0f3eae50309eaf901cb822d9b][Issuer: C=US, O=Cloudflare, Inc., CN=Cloudflare Inc ECC CA-3][Subject: C=US, ST=CA, L=San Francisco, O=Cloudflare, Inc., CN=sni.cloudflaressl.com][Certificate SHA-1: 49:30:DE:8F:B7:AF:C3:76:40:09:44:15:B4:6B:D9:8F:BE:0C:6B:0C][Firefox][Validity: 2020-08-09 00:00:00 - 2021-08-09 12:00:00][Cipher: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256][Plen Bins: 7,24,24,0,0,7,0,0,7,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,7,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0]
4 changes: 2 additions & 2 deletions tests/result/synscan.pcap.out
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Expand Up @@ -103,7 +103,7 @@ iSCSI 2 116 2
43 TCP 172.16.0.8:36050 -> 64.13.134.52:2605 [proto: 13/BGP][ClearText][Confidence: Match by port][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
44 TCP 172.16.0.8:36050 -> 64.13.134.52:3000 [proto: 26/ntop][ClearText][Confidence: Match by port][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
45 TCP 172.16.0.8:36050 -> 64.13.134.52:3128 [proto: 131/HTTP_Proxy][ClearText][Confidence: Match by port][cat: Web/5][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
46 TCP 172.16.0.8:36050 -> 64.13.134.52:3260 [proto: 303/iSCSI][ClearText][Confidence: Match by port][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
46 TCP 172.16.0.8:36050 -> 64.13.134.52:3260 [proto: 304/iSCSI][ClearText][Confidence: Match by port][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
47 TCP 172.16.0.8:36050 -> 64.13.134.52:3306 [proto: 20/MySQL][ClearText][Confidence: Match by port][cat: Database/11][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
48 TCP 172.16.0.8:36050 -> 64.13.134.52:3389 [proto: 88/RDP][ClearText][Confidence: Match by port][cat: RemoteAccess/12][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Desktop/File Sharing **** Unidirectional Traffic **][Risk Score: 20][Risk Info: No client to server traffic / Found RDP][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
49 TCP 172.16.0.8:36050 -> 64.13.134.52:4343 [proto: 170/Whois-DAS][ClearText][Confidence: Match by port][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
Expand Down Expand Up @@ -164,7 +164,7 @@ iSCSI 2 116 2
104 TCP 172.16.0.8:36051 -> 64.13.134.52:2605 [proto: 13/BGP][ClearText][Confidence: Match by port][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
105 TCP 172.16.0.8:36051 -> 64.13.134.52:3000 [proto: 26/ntop][ClearText][Confidence: Match by port][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
106 TCP 172.16.0.8:36051 -> 64.13.134.52:3128 [proto: 131/HTTP_Proxy][ClearText][Confidence: Match by port][cat: Web/5][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
107 TCP 172.16.0.8:36051 -> 64.13.134.52:3260 [proto: 303/iSCSI][ClearText][Confidence: Match by port][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
107 TCP 172.16.0.8:36051 -> 64.13.134.52:3260 [proto: 304/iSCSI][ClearText][Confidence: Match by port][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
108 TCP 172.16.0.8:36051 -> 64.13.134.52:3306 [proto: 20/MySQL][ClearText][Confidence: Match by port][cat: Database/11][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
109 TCP 172.16.0.8:36051 -> 64.13.134.52:3389 [proto: 88/RDP][ClearText][Confidence: Match by port][cat: RemoteAccess/12][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Desktop/File Sharing **** Unidirectional Traffic **][Risk Score: 20][Risk Info: No client to server traffic / Found RDP][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
110 TCP 172.16.0.8:36051 -> 64.13.134.52:4343 [proto: 170/Whois-DAS][ClearText][Confidence: Match by port][cat: Network/14][1 pkts/58 bytes -> 0 pkts/0 bytes][Goodput ratio: 0/0][< 1 sec][Risk: ** Unidirectional Traffic **][Risk Score: 10][Risk Info: No client to server traffic][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
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