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Add infrastructure for explicit support of Fist Packet Classification (#2488)

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Let's start with some basic helpers and with FPC based on flow addresses.

See: #2322
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Ivan Nardi 2024-07-03 18:02:07 +02:00 • committed by GitHub
parent e5661337d0
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6
tests/cfgs/disable_protocols/result/soap.pcap.out
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@ -28,6 +28,6 @@ Microsoft 1 1506 1
Safe 1 1506 1
Acceptable 19 9442 2
1 TCP 192.168.2.100:50100 <-> 23.2.213.165:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: Match by port][DPI packets: 14][cat: Web/5][7 pkts/4746 bytes <-> 7 pkts/752 bytes][Goodput ratio: 92/39][5.01 sec][bytes ratio: 0.726 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/1 989/1236 2486/2486 1098/1096][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 678/107 1506/362 717/104][PLAIN TEXT (POST /fwlink/)][Plen Bins: 0,0,0,0,0,0,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,75,0,0]
2 TCP 185.32.192.30:80 <-> 85.154.114.113:56028 [VLAN: 808][proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: Match by port][DPI packets: 5][cat: Web/5][3 pkts/2487 bytes <-> 2 pkts/1457 bytes][Goodput ratio: 92/92][0.34 sec][Risk: ** Susp Entropy **][Risk Score: 10][Risk Info: Entropy: 6.075 (Executable?)][PLAIN TEXT (xml version)][Plen Bins: 0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,25,0,0,0,0,50,0,0,0,0,0,0,0,0,0]
3 TCP 192.168.2.100:50100 -> 23.2.213.165:4176 [proto: 7.212/HTTP.Microsoft][IP: 0/Unknown][ClearText][Confidence: DPI][DPI packets: 1][cat: Cloud/13][1 pkts/1506 bytes -> 0 pkts/0 bytes][Goodput ratio: 96/0][< 1 sec][Hostname/SNI: go.microsoft.com][URL: go.microsoft.com/fwlink/?LinkID=252669&clcid=0x409][Req Content-Type: text/xml][User-Agent: MICROSOFT_DEVICE_METADATA_RETRIEVAL_CLIENT][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **** Probing attempt **][Risk Score: 110][Risk Info: No server to client traffic / TCP connection with unidirectional traffic][PLAIN TEXT (POST /fwlink/)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0]
1 TCP 192.168.2.100:50100 <-> 23.2.213.165:80 [proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 14][cat: Web/5][7 pkts/4746 bytes <-> 7 pkts/752 bytes][Goodput ratio: 92/39][5.01 sec][bytes ratio: 0.726 (Upload)][IAT c2s/s2c min/avg/max/stddev: 0/1 989/1236 2486/2486 1098/1096][Pkt Len c2s/s2c min/avg/max/stddev: 54/60 678/107 1506/362 717/104][PLAIN TEXT (POST /fwlink/)][Plen Bins: 0,0,0,0,0,0,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,75,0,0]
2 TCP 185.32.192.30:80 <-> 85.154.114.113:56028 [VLAN: 808][proto: 7/HTTP][IP: 0/Unknown][ClearText][Confidence: Match by port][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 5][cat: Web/5][3 pkts/2487 bytes <-> 2 pkts/1457 bytes][Goodput ratio: 92/92][0.34 sec][Risk: ** Susp Entropy **][Risk Score: 10][Risk Info: Entropy: 6.075 (Executable?)][PLAIN TEXT (xml version)][Plen Bins: 0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,25,0,0,0,0,50,0,0,0,0,0,0,0,0,0]
3 TCP 192.168.2.100:50100 -> 23.2.213.165:4176 [proto: 7.212/HTTP.Microsoft][IP: 0/Unknown][ClearText][Confidence: DPI][FPC: 0/Unknown, Confidence: Unknown][DPI packets: 1][cat: Cloud/13][1 pkts/1506 bytes -> 0 pkts/0 bytes][Goodput ratio: 96/0][< 1 sec][Hostname/SNI: go.microsoft.com][URL: go.microsoft.com/fwlink/?LinkID=252669&clcid=0x409][Req Content-Type: text/xml][User-Agent: MICROSOFT_DEVICE_METADATA_RETRIEVAL_CLIENT][Risk: ** Known Proto on Non Std Port **** Unidirectional Traffic **** Probing attempt **][Risk Score: 110][Risk Info: No server to client traffic / TCP connection with unidirectional traffic][PLAIN TEXT (POST /fwlink/)][Plen Bins: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,100,0,0]