TCP SYN (JA4T)

65535_2-1-3-1-1-4_1352_8

first seen 2026-07-25 23:23 · last seen 2026-09-08 13:27 · JSON

Decomposed attributes

TCP window65535
Option kinds2-1-3-1-1-4
MSS1352
Window scale8

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t12d860600_e18388e7f3a3_a1e9356827951
t13d1515h1_8daaf6152771_de4a06bb82e31

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn13enus_9db22d02e17a_000000000000_0000000000001
ge11nn05enus_dff23709e538_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:110+18:0:1352:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01
4:114+14:0:1352:65535,8:mss,nop,ws,nop,nop,sok:df,id+:01

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.361
Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.11

Country

fingerprintco-occurrences
BG · Bulgaria1
IT · Italy1

Network (ASN)

fingerprintco-occurrences
AS3269 · Telecom Italia S.p.A.1
AS62323 · DragoNET - Lyuba Pesheva1