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Implemented nDPI fingerprint that is computed using

Browse source 
- TCP fingerprint
- JA4 fingepriint
- TLS SHA1 certificate (if present), or JA3S fingerprint (is SHA1 is missing)

By default the fingerprint uses the client and server fingerprints (format 0)
and combines them. However you can chnge it format (eg. use only the client info,
format 1) with

--cfg NULL,metadata.ndpi_fingerprint_format,X

where X is the fingerprint format.

By default nDPI fingerprint is enabled but you can enable/disble it as follows

--cfg NULL,metadata.ndpi_fingerprint,0
This commit is contained in:
Luca Deri 2025-08-21 10:34:49 +02:00
parent 087726d12d
commit 11d74ea286
232 changed files with 1522 additions and 1444 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tests/cfgs/default/result/malware.pcap.out
View file

@ -43,8 +43,8 @@ JA Host Stats:
2 192.168.7.7 1
1 TCP 192.168.0.20:41240 <-> 193.109.85.123:443 [proto: 91/TLS][Stack: TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 11][cat: Web/5][Breed: Safe][22 pkts/4006 bytes <-> 52 pkts/49048 bytes][Goodput ratio: 70/94][0.89 sec][Hostname/SNI: hobbeach.com][(Advertised) ALPNs: h2;http/1.1][(Negotiated) ALPN: http/1.1][TLS Supported Versions: TLSv1.3;TLSv1.2][bytes ratio: -0.849 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 53/18 159/269 55/55][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 182/943 847/1506 265/684][TCP Fingerprint: 2_192_64240_565ad129ac37/Unknown][TLSv1.2][JA4: t13d1515h2_8daaf6152771_6a09c78d0dc2][ServerNames: hobbeach.com][JA3S: d154fcfa5bb4f0748e1dd1992c681104][Issuer: C=US, O=Let's Encrypt, CN=R3][Subject: CN=hobbeach.com][ECH: version 0xfe0d][Certificate SHA-1: 30:C9:08:A7:5D:AC:71:2C:07:00:51:20:4D:91:DC:3C:BA:7E:0A:46][Firefox][Validity: 2023-10-25 09:42:51 - 2024-01-23 09:42:50][Cipher: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384][Plen Bins: 0,0,5,0,2,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,2,0,0,0,5,0,0,0,0,0,2,0,0,0,0,0,0,0,2,0,0,2,0,0,0,75,0,0]
2 TCP 192.168.7.7:35236 <-> 67.215.92.210:443 [proto: 91/TLS][Stack: TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 10][cat: Malware/100][Breed: Safe][11 pkts/1280 bytes <-> 9 pkts/5860 bytes][Goodput ratio: 53/91][0.64 sec][Hostname/SNI: www.internetbadguys.com][(Advertised) ALPNs: h2;http/1.1][TLS Supported Versions: TLSv1.3;TLSv1.2;TLSv1.1;TLSv1][bytes ratio: -0.641 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 71/75 240/249 99/103][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 116/651 571/1514 148/644][Risk: ** TLS Cert Mismatch **][Risk Score: 100][Risk Info: www.internetbadguys.com vs api.opendns.com,branded-login.opendns.com,cachecheck.opendns.com,community.opendns.com,dashboard2.o][TCP Fingerprint: 2_64_64240_565ad129ac37/Unknown][TLSv1.2][JA4: t13d1814h2_29a2cd9e9f10_d267a5f792d4][ServerNames: api.opendns.com,branded-login.opendns.com,cachecheck.opendns.com,community.opendns.com,dashboard2.opendns.com,dashboard.opendns.com,dashboard-ipv4.opendns.com,msp-login.opendns.com,api-ipv4.opendns.com,api-ipv6.opendns.com,authz.api.opendns.com,domain.opendns.com,help.vpn.opendns.com,ideabank.opendns.com,login.opendns.com,netgear.opendns.com,reseller-login.opendns.com,images.opendns.com,images-using.opendns.com,store.opendns.com,signup.opendns.com,twilio.opendns.com,updates.opendns.com,shared.opendns.com,tools.opendns.com,cache.opendns.com,api.umbrella.com,branded-login.umbrella.com,cachecheck.umbrella.com,community.umbrella.com,dashboard2.umbrella.com,dashboard.umbrella.com,dashboard-ipv4.umbrella.com,msp-login.umbrella.com,api-ipv4.umbrella.com,api-ipv6.umbrella.com,authz.api.umbrella.com,domain.umbrella.com,help.vpn.umbrella.com,ideabank.umbrella.com,login.umbrella.com,netgear.umbrella.com,reseller-login.umbrella.com,images.umbrella.com,images-using.umbrella.com,store.umbrella.com,signup.umbrella.com,twilio.umbrella.com,updates.umbrella.com,shared.umbrella.com,tools.umbrella.com,cache.umbrella.com][JA3S: 0c0aff9ccea5e7e1de5c3a0069d103f3][Issuer: C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA][Subject: C=US, ST=California, L=San Francisco, O=OpenDNS, Inc., CN=api.opendns.com][Certificate SHA-1: 21:B4:CF:84:13:3A:21:A4:B0:02:63:76:39:84:EA:ED:27:EE:51:7C][Firefox][Validity: 2018-04-26 00:00:00 - 2020-07-29 00:00:00][Cipher: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256][Plen Bins: 12,0,0,12,0,0,0,0,12,0,0,0,0,0,0,0,12,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,38,0,0]
1 TCP 192.168.0.20:41240 <-> 193.109.85.123:443 [proto: 91/TLS][Stack: TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 11][cat: Web/5][Breed: Safe][22 pkts/4006 bytes <-> 52 pkts/49048 bytes][Goodput ratio: 70/94][0.89 sec][Hostname/SNI: hobbeach.com][(Advertised) ALPNs: h2;http/1.1][(Negotiated) ALPN: http/1.1][TLS Supported Versions: TLSv1.3;TLSv1.2][bytes ratio: -0.849 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 53/18 159/269 55/55][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 182/943 847/1506 265/684][nDPI Fingerprint: f7d7aa34d0163ad83caf9f79e159299a][TCP Fingerprint: 2_192_64240_565ad129ac37/Unknown][TLSv1.2][JA4: t13d1515h2_8daaf6152771_6a09c78d0dc2][ServerNames: hobbeach.com][JA3S: d154fcfa5bb4f0748e1dd1992c681104][Issuer: C=US, O=Let's Encrypt, CN=R3][Subject: CN=hobbeach.com][ECH: version 0xfe0d][Certificate SHA-1: 30:C9:08:A7:5D:AC:71:2C:07:00:51:20:4D:91:DC:3C:BA:7E:0A:46][Firefox][Validity: 2023-10-25 09:42:51 - 2024-01-23 09:42:50][Cipher: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384][Plen Bins: 0,0,5,0,2,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,2,0,0,0,5,0,0,0,0,0,2,0,0,0,0,0,0,0,2,0,0,2,0,0,0,75,0,0]
2 TCP 192.168.7.7:35236 <-> 67.215.92.210:443 [proto: 91/TLS][Stack: TLS][IP: 0/Unknown][Encrypted][Confidence: DPI][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 10][cat: Malware/100][Breed: Safe][11 pkts/1280 bytes <-> 9 pkts/5860 bytes][Goodput ratio: 53/91][0.64 sec][Hostname/SNI: www.internetbadguys.com][(Advertised) ALPNs: h2;http/1.1][TLS Supported Versions: TLSv1.3;TLSv1.2;TLSv1.1;TLSv1][bytes ratio: -0.641 (Download)][IAT c2s/s2c min/avg/max/stddev: 0/0 71/75 240/249 99/103][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 116/651 571/1514 148/644][Risk: ** TLS Cert Mismatch **][Risk Score: 100][Risk Info: www.internetbadguys.com vs api.opendns.com,branded-login.opendns.com,cachecheck.opendns.com,community.opendns.com,dashboard2.o][nDPI Fingerprint: 833e1a3457f6dd090a3fc3dc5259f495][TCP Fingerprint: 2_64_64240_565ad129ac37/Unknown][TLSv1.2][JA4: t13d1814h2_29a2cd9e9f10_d267a5f792d4][ServerNames: api.opendns.com,branded-login.opendns.com,cachecheck.opendns.com,community.opendns.com,dashboard2.opendns.com,dashboard.opendns.com,dashboard-ipv4.opendns.com,msp-login.opendns.com,api-ipv4.opendns.com,api-ipv6.opendns.com,authz.api.opendns.com,domain.opendns.com,help.vpn.opendns.com,ideabank.opendns.com,login.opendns.com,netgear.opendns.com,reseller-login.opendns.com,images.opendns.com,images-using.opendns.com,store.opendns.com,signup.opendns.com,twilio.opendns.com,updates.opendns.com,shared.opendns.com,tools.opendns.com,cache.opendns.com,api.umbrella.com,branded-login.umbrella.com,cachecheck.umbrella.com,community.umbrella.com,dashboard2.umbrella.com,dashboard.umbrella.com,dashboard-ipv4.umbrella.com,msp-login.umbrella.com,api-ipv4.umbrella.com,api-ipv6.umbrella.com,authz.api.umbrella.com,domain.umbrella.com,help.vpn.umbrella.com,ideabank.umbrella.com,login.umbrella.com,netgear.umbrella.com,reseller-login.umbrella.com,images.umbrella.com,images-using.umbrella.com,store.umbrella.com,signup.umbrella.com,twilio.umbrella.com,updates.umbrella.com,shared.umbrella.com,tools.umbrella.com,cache.umbrella.com][JA3S: 0c0aff9ccea5e7e1de5c3a0069d103f3][Issuer: C=US, O=DigiCert Inc, CN=DigiCert SHA2 Secure Server CA][Subject: C=US, ST=California, L=San Francisco, O=OpenDNS, Inc., CN=api.opendns.com][Certificate SHA-1: 21:B4:CF:84:13:3A:21:A4:B0:02:63:76:39:84:EA:ED:27:EE:51:7C][Firefox][Validity: 2018-04-26 00:00:00 - 2020-07-29 00:00:00][Cipher: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256][Plen Bins: 12,0,0,12,0,0,0,0,12,0,0,0,0,0,0,0,12,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,38,0,0]
3 TCP 192.168.7.7:48394 <-> 67.215.92.210:80 [proto: 7/HTTP][Stack: HTTP][IP: 0/Unknown][ClearText][Confidence: DPI][FPC: 7/HTTP, Confidence: DPI][DPI packets: 2][cat: Malware/100][Breed: Acceptable][1 pkts/383 bytes <-> 1 pkts/98 bytes][Goodput ratio: 86/44][0.21 sec][Hostname/SNI: www.internetbadguys.com][URL: www.internetbadguys.com/][User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0][PLAIN TEXT (GET / HTTP/1.1)][Plen Bins: 0,50,0,0,0,0,0,0,0,0,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
4 UDP 192.168.7.7:42370 <-> 1.1.1.1:53 [proto: 5/DNS][Stack: DNS][IP: 0/Unknown][ClearText][Confidence: DPI][FPC: 5/DNS, Confidence: DPI][DPI packets: 2][cat: Network/14][Breed: Acceptable][1 pkts/106 bytes <-> 1 pkts/110 bytes][Goodput ratio: 60/61][0.02 sec][Hostname/SNI: www.internetbadguys.com][67.215.92.210][DNS Id: 0x0ba4][PLAIN TEXT (internetbadguys)][Plen Bins: 0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
5 ICMP 192.168.7.7:0 -> 144.139.247.220:0 [proto: 81/ICMP][Stack: ICMP][IP: 0/Unknown][ClearText][Confidence: DPI][FPC: 81/ICMP, Confidence: DPI][DPI packets: 1][cat: Malware/100][Breed: Acceptable][1 pkts/98 bytes -> 0 pkts/0 bytes][Goodput ratio: 57/0][< 1 sec][Risk: ** Susp Entropy **** Unidirectional Traffic **** Client Contacted A Malware Host **][Risk Score: 170][Risk Info: Client contacted malware host / No server to client traffic / Entropy: 5.298 (Executable?)][Plen Bins: 0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]